All-in-One WP Migration - Version 6.84

Version Description

Fixed

  • Set the type of backup file during download via HTML attribute
  • Removed Math_BigInteger class which was causing issues with other plugins
Download this release

Release Info

Developer bangelov
Plugin Icon 128x128 All-in-One WP Migration
Version 6.84
Comparing to
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Code changes from version 6.83 to 6.84

Files changed (137) hide show
  1. all-in-one-wp-migration.php +2 -2
  2. constants.php +7 -2
  3. deprecated.php +1 -1
  4. exceptions.php +1 -1
  5. functions.php +1 -64
  6. lib/controller/class-ai1wm-backups-controller.php +1 -1
  7. lib/controller/class-ai1wm-export-controller.php +1 -1
  8. lib/controller/class-ai1wm-feedback-controller.php +1 -1
  9. lib/controller/class-ai1wm-import-controller.php +1 -1
  10. lib/controller/class-ai1wm-main-controller.php +1 -1
  11. lib/controller/class-ai1wm-report-controller.php +1 -1
  12. lib/controller/class-ai1wm-status-controller.php +1 -1
  13. lib/controller/class-ai1wm-updater-controller.php +1 -1
  14. lib/model/class-ai1wm-backups.php +1 -1
  15. lib/model/class-ai1wm-compatibility.php +1 -1
  16. lib/model/class-ai1wm-deprecated.php +1 -1
  17. lib/model/class-ai1wm-extensions.php +1 -1
  18. lib/model/class-ai1wm-feedback.php +1 -1
  19. lib/model/class-ai1wm-handler.php +1 -1
  20. lib/model/class-ai1wm-log.php +1 -1
  21. lib/model/class-ai1wm-message.php +1 -1
  22. lib/model/class-ai1wm-notification.php +1 -1
  23. lib/model/class-ai1wm-report.php +1 -1
  24. lib/model/class-ai1wm-status.php +1 -1
  25. lib/model/class-ai1wm-template.php +1 -1
  26. lib/model/class-ai1wm-updater.php +1 -1
  27. lib/model/export/class-ai1wm-export-archive.php +1 -1
  28. lib/model/export/class-ai1wm-export-clean.php +1 -1
  29. lib/model/export/class-ai1wm-export-compatibility.php +1 -1
  30. lib/model/export/class-ai1wm-export-config-file.php +1 -1
  31. lib/model/export/class-ai1wm-export-config.php +1 -1
  32. lib/model/export/class-ai1wm-export-content.php +1 -1
  33. lib/model/export/class-ai1wm-export-database-file.php +1 -1
  34. lib/model/export/class-ai1wm-export-database.php +1 -1
  35. lib/model/export/class-ai1wm-export-download.php +5 -3
  36. lib/model/export/class-ai1wm-export-enumerate.php +1 -1
  37. lib/model/export/class-ai1wm-export-init.php +1 -1
  38. lib/model/import/class-ai1wm-import-blogs.php +1 -1
  39. lib/model/import/class-ai1wm-import-clean.php +1 -1
  40. lib/model/import/class-ai1wm-import-compatibility.php +1 -1
  41. lib/model/import/class-ai1wm-import-confirm.php +1 -1
  42. lib/model/import/class-ai1wm-import-content.php +1 -1
  43. lib/model/import/class-ai1wm-import-database.php +1 -1
  44. lib/model/import/class-ai1wm-import-done.php +4 -1
  45. lib/model/import/class-ai1wm-import-enumerate.php +1 -1
  46. lib/model/import/class-ai1wm-import-mu-plugins.php +2 -1
  47. lib/model/import/class-ai1wm-import-upload.php +1 -1
  48. lib/model/import/class-ai1wm-import-validate.php +1 -1
  49. lib/vendor/math/BigInteger.php +0 -3811
  50. lib/vendor/servmask/archiver/class-ai1wm-archiver.php +1 -1
  51. lib/vendor/servmask/archiver/class-ai1wm-compressor.php +1 -1
  52. lib/vendor/servmask/archiver/class-ai1wm-extractor.php +1 -1
  53. lib/vendor/servmask/command/class-ai1wm-wp-cli-command.php +1 -1
  54. lib/vendor/servmask/cron/class-ai1wm-cron.php +1 -1
  55. lib/vendor/servmask/database/class-ai1wm-database-mysql.php +1 -1
  56. lib/vendor/servmask/database/class-ai1wm-database-mysqli.php +1 -1
  57. lib/vendor/servmask/database/class-ai1wm-database-utility.php +1 -1
  58. lib/vendor/servmask/database/class-ai1wm-database.php +1 -1
  59. lib/vendor/servmask/filesystem/class-ai1wm-directory.php +1 -1
  60. lib/vendor/servmask/filesystem/class-ai1wm-file-htaccess.php +1 -1
  61. lib/vendor/servmask/filesystem/class-ai1wm-file-index.php +1 -1
  62. lib/vendor/servmask/filesystem/class-ai1wm-file-webconfig.php +1 -1
  63. lib/vendor/servmask/filesystem/class-ai1wm-file.php +1 -1
  64. lib/vendor/servmask/filter/class-ai1wm-recursive-exclude-filter.php +1 -1
  65. lib/vendor/servmask/filter/class-ai1wm-recursive-extension-filter.php +1 -1
  66. lib/vendor/servmask/iterator/class-ai1wm-recursive-directory-iterator.php +1 -1
  67. lib/vendor/servmask/iterator/class-ai1wm-recursive-iterator-iterator.php +1 -1
  68. lib/view/assets/css/export.min.css +1 -1
  69. lib/view/assets/css/export.min.rtl.css +1 -1
  70. lib/view/assets/javascript/backups.min.js +6 -6
  71. lib/view/assets/javascript/export.min.js +7 -7
  72. lib/view/assets/javascript/import.min.js +6 -6
  73. lib/view/assets/javascript/settings.min.js +3 -3
  74. lib/view/assets/javascript/updater.min.js +1 -1
  75. lib/view/assets/javascript/util.min.js +2 -2
  76. lib/view/backups/index.php +2 -2
  77. lib/view/common/http-authentication.php +1 -1
  78. lib/view/common/leave-feedback.php +1 -1
  79. lib/view/common/maintenance-mode.php +1 -1
  80. lib/view/common/report-problem.php +1 -1
  81. lib/view/common/share-buttons.php +1 -1
  82. lib/view/export/advanced-settings.php +1 -1
  83. lib/view/export/button-azure-storage.php +1 -1
  84. lib/view/export/button-b2.php +1 -1
  85. lib/view/export/button-box.php +1 -1
  86. lib/view/export/button-digitalocean.php +1 -1
  87. lib/view/export/button-dropbox.php +1 -1
  88. lib/view/export/button-file.php +1 -1
  89. lib/view/export/button-ftp.php +1 -1
  90. lib/view/export/button-gcloud-storage.php +1 -1
  91. lib/view/export/button-gdrive.php +1 -1
  92. lib/view/export/button-glacier.php +1 -1
  93. lib/view/export/button-mega.php +1 -1
  94. lib/view/export/button-onedrive.php +1 -1
  95. lib/view/export/button-pcloud.php +1 -1
  96. lib/view/export/button-s3-client.php +1 -1
  97. lib/view/export/button-s3.php +1 -1
  98. lib/view/export/button-webdav.php +1 -1
  99. lib/view/export/export-buttons.php +1 -1
  100. lib/view/export/find-replace.php +1 -1
  101. lib/view/export/help-section.php +1 -1
  102. lib/view/export/index.php +1 -1
  103. lib/view/import/button-azure-storage.php +1 -1
  104. lib/view/import/button-b2.php +1 -1
  105. lib/view/import/button-box.php +1 -1
  106. lib/view/import/button-digitalocean.php +1 -1
  107. lib/view/import/button-dropbox.php +1 -1
  108. lib/view/import/button-file.php +1 -1
  109. lib/view/import/button-ftp.php +1 -1
  110. lib/view/import/button-gcloud-storage.php +1 -1
  111. lib/view/import/button-gdrive.php +1 -1
  112. lib/view/import/button-glacier.php +1 -1
  113. lib/view/import/button-mega.php +1 -1
  114. lib/view/import/button-onedrive.php +1 -1
  115. lib/view/import/button-pcloud.php +1 -1
  116. lib/view/import/button-s3-client.php +1 -1
  117. lib/view/import/button-s3.php +1 -1
  118. lib/view/import/button-url.php +1 -1
  119. lib/view/import/button-webdav.php +1 -1
  120. lib/view/import/import-buttons.php +1 -1
  121. lib/view/import/index.php +1 -1
  122. lib/view/import/pro.php +1 -1
  123. lib/view/main/admin-head.php +1 -1
  124. lib/view/main/backups-htaccess-notice.php +1 -1
  125. lib/view/main/backups-index-notice.php +1 -1
  126. lib/view/main/backups-path-notice.php +1 -1
  127. lib/view/main/backups-webconfig-notice.php +1 -1
  128. lib/view/main/get-support.php +1 -1
  129. lib/view/main/multisite-notice.php +1 -1
  130. lib/view/main/storage-index-notice.php +1 -1
  131. lib/view/main/storage-path-notice.php +1 -1
  132. lib/view/main/wordpress-htaccess-notice.php +1 -1
  133. lib/view/updater/check.php +1 -1
  134. lib/view/updater/modal.php +1 -1
  135. loader.php +1 -7
  136. readme.txt +7 -1
  137. uninstall.php +1 -1
all-in-one-wp-migration.php CHANGED
@@ -5,12 +5,12 @@
5
  * Description: Migration tool for all your blog data. Import or Export your blog content with a single click.
6
  * Author: ServMask
7
  * Author URI: https://servmask.com/
8
- * Version: 6.83
9
  * Text Domain: all-in-one-wp-migration
10
  * Domain Path: /languages
11
  * Network: True
12
  *
13
- * Copyright (C) 2014-2018 ServMask Inc.
14
  *
15
  * This program is free software: you can redistribute it and/or modify
16
  * it under the terms of the GNU General Public License as published by
5
  * Description: Migration tool for all your blog data. Import or Export your blog content with a single click.
6
  * Author: ServMask
7
  * Author URI: https://servmask.com/
8
+ * Version: 6.84
9
  * Text Domain: all-in-one-wp-migration
10
  * Domain Path: /languages
11
  * Network: True
12
  *
13
+ * Copyright (C) 2014-2019 ServMask Inc.
14
  *
15
  * This program is free software: you can redistribute it and/or modify
16
  * it under the terms of the GNU General Public License as published by
constants.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
@@ -31,7 +31,7 @@ define( 'AI1WM_DEBUG', false );
31
  // ==================
32
  // = Plugin Version =
33
  // ==================
34
- define( 'AI1WM_VERSION', '6.83' );
35
 
36
  // ===============
37
  // = Plugin Name =
@@ -183,6 +183,11 @@ define( 'AI1WM_ENDURANCE_BROWSER_CACHE_NAME', 'endurance-browser-cache.php' );
183
  // =========================
184
  define( 'AI1WM_GD_SYSTEM_PLUGIN_NAME', 'gd-system-plugin.php' );
185
 
 
 
 
 
 
186
  // ===================
187
  // = Export Log Name =
188
  // ===================
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
31
  // ==================
32
  // = Plugin Version =
33
  // ==================
34
+ define( 'AI1WM_VERSION', '6.84' );
35
 
36
  // ===============
37
  // = Plugin Name =
183
  // =========================
184
  define( 'AI1WM_GD_SYSTEM_PLUGIN_NAME', 'gd-system-plugin.php' );
185
 
186
+ // =======================
187
+ // = Wp Stack Cache Name =
188
+ // =======================
189
+ define( 'AI1WM_WP_STACK_CACHE_NAME', 'wp-stack-cache.php' );
190
+
191
  // ===================
192
  // = Export Log Name =
193
  // ===================
deprecated.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
exceptions.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
functions.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
@@ -1314,52 +1314,6 @@ function ai1wm_copy( $source_file, $destination_file ) {
1314
  ai1wm_close( $destination_handle );
1315
  }
1316
 
1317
- /**
1318
- * Get the size of file in bytes
1319
- *
1320
- * This method supports files > 2GB on PHP x86
1321
- *
1322
- * @param string $file_path Path to the file
1323
- * @param boolean $as_string Return the filesize as string instead of BigInteger
1324
- *
1325
- * @return mixed Math_BigInteger|string|null
1326
- */
1327
- function ai1wm_filesize( $file_path, $as_string = true ) {
1328
- $chunk_size = 2000000; // 2MB
1329
- $file_size = new Math_BigInteger( 0 );
1330
-
1331
- try {
1332
- $file_handle = ai1wm_open( $file_path, 'rb' );
1333
-
1334
- while ( ! feof( $file_handle ) ) {
1335
- $bytes = ai1wm_read( $file_handle, $chunk_size );
1336
- $file_size = $file_size->add( new Math_BigInteger( strlen( $bytes ) ) );
1337
- }
1338
-
1339
- ai1wm_close( $file_handle );
1340
-
1341
- return $as_string ? $file_size->toString() : $file_size;
1342
- } catch ( Exception $e ) {
1343
- return null;
1344
- }
1345
- }
1346
-
1347
- /**
1348
- * Return the smaller of two numbers
1349
- *
1350
- * @param Math_BigInteger $a First number
1351
- * @param Math_BigInteger $b Second number
1352
- *
1353
- * @return Math_BigInteger
1354
- */
1355
- function ai1wm_find_smaller_number( Math_BigInteger $a, Math_BigInteger $b ) {
1356
- if ( $a->compare( $b ) === -1 ) {
1357
- return $a;
1358
- }
1359
-
1360
- return $b;
1361
- }
1362
-
1363
  /**
1364
  * Check whether file size is supported by current PHP version
1365
  *
@@ -1386,23 +1340,6 @@ function ai1wm_is_filesize_supported( $file, $php_int_size = PHP_INT_SIZE, $php_
1386
  return $size_result;
1387
  }
1388
 
1389
- /**
1390
- * Wrapper around fseek
1391
- *
1392
- * This function works with offsets that are > PHP_INT_MAX
1393
- *
1394
- * @param resource $file_handle Handle to the file
1395
- * @param Math_BigInteger $offset Offset of the file
1396
- */
1397
- function ai1wm_fseek( $file_handle, Math_BigInteger $offset ) {
1398
- $chunk_size = ai1wm_find_smaller_number( new Math_BigInteger( 2000000 ), $offset );
1399
- while ( ! feof( $file_handle ) && $offset->toString() != '0' ) {
1400
- $bytes = ai1wm_read( $file_handle, $chunk_size->toInteger() );
1401
- $offset = $offset->subtract( new Math_BigInteger( strlen( $bytes ) ) );
1402
- $chunk_size = ai1wm_find_smaller_number( $chunk_size, $offset );
1403
- }
1404
- }
1405
-
1406
  /**
1407
  * Verify secret key
1408
  *
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1314
  ai1wm_close( $destination_handle );
1315
  }
1316
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1317
  /**
1318
  * Check whether file size is supported by current PHP version
1319
  *
1340
  return $size_result;
1341
  }
1342
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1343
  /**
1344
  * Verify secret key
1345
  *
lib/controller/class-ai1wm-backups-controller.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/controller/class-ai1wm-export-controller.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/controller/class-ai1wm-feedback-controller.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/controller/class-ai1wm-import-controller.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/controller/class-ai1wm-main-controller.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/controller/class-ai1wm-report-controller.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/controller/class-ai1wm-status-controller.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/controller/class-ai1wm-updater-controller.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/class-ai1wm-backups.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/class-ai1wm-compatibility.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/class-ai1wm-deprecated.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/class-ai1wm-extensions.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/class-ai1wm-feedback.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/class-ai1wm-handler.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/class-ai1wm-log.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/class-ai1wm-message.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/class-ai1wm-notification.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/class-ai1wm-report.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/class-ai1wm-status.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/class-ai1wm-template.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/class-ai1wm-updater.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/export/class-ai1wm-export-archive.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/export/class-ai1wm-export-clean.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/export/class-ai1wm-export-compatibility.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/export/class-ai1wm-export-config-file.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/export/class-ai1wm-export-config.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/export/class-ai1wm-export-content.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/export/class-ai1wm-export-database-file.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/export/class-ai1wm-export-database.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/export/class-ai1wm-export-download.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
@@ -49,6 +49,7 @@ class Ai1wm_Export_Download {
49
  }
50
 
51
  // Set archive details
 
52
  $link = ai1wm_backup_url( $params );
53
  $size = ai1wm_backup_size( $params );
54
  $name = ai1wm_site_name( $blog_id );
@@ -57,7 +58,7 @@ class Ai1wm_Export_Download {
57
  Ai1wm_Status::download(
58
  sprintf(
59
  __(
60
- '<a href="%s" class="ai1wm-button-green ai1wm-emphasize" title="%s">' .
61
  '<span>Download %s</span>' .
62
  '<em>Size: %s</em>' .
63
  '</a>',
@@ -65,7 +66,8 @@ class Ai1wm_Export_Download {
65
  ),
66
  $link,
67
  $name,
68
- strlen( $name ) > 25 ? substr( $name, 0, 24 ) . '&hellip;' : $name,
 
69
  $size
70
  )
71
  );
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
49
  }
50
 
51
  // Set archive details
52
+ $file = ai1wm_archive_name( $params );
53
  $link = ai1wm_backup_url( $params );
54
  $size = ai1wm_backup_size( $params );
55
  $name = ai1wm_site_name( $blog_id );
58
  Ai1wm_Status::download(
59
  sprintf(
60
  __(
61
+ '<a href="%s" class="ai1wm-button-green ai1wm-emphasize ai1wm-button-download" title="%s" download="%s">' .
62
  '<span>Download %s</span>' .
63
  '<em>Size: %s</em>' .
64
  '</a>',
66
  ),
67
  $link,
68
  $name,
69
+ $file,
70
+ $name,
71
  $size
72
  )
73
  );
lib/model/export/class-ai1wm-export-enumerate.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/export/class-ai1wm-export-init.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/import/class-ai1wm-import-blogs.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/import/class-ai1wm-import-clean.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/import/class-ai1wm-import-compatibility.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/import/class-ai1wm-import-confirm.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/import/class-ai1wm-import-content.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/import/class-ai1wm-import-database.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/import/class-ai1wm-import-done.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
@@ -67,6 +67,7 @@ class Ai1wm_Import_Done {
67
  ai1wm_discover_plugin_basename( 'join-my-multisite/joinmymultisite.php' ),
68
  ai1wm_discover_plugin_basename( 'multisite-clone-duplicator/multisite-clone-duplicator.php' ),
69
  ai1wm_discover_plugin_basename( 'wordpress-mu-domain-mapping/domain_mapping.php' ),
 
70
  ) );
71
 
72
  // Deactivate Jetpack modules
@@ -128,6 +129,7 @@ class Ai1wm_Import_Done {
128
  ai1wm_discover_plugin_basename( 'join-my-multisite/joinmymultisite.php' ),
129
  ai1wm_discover_plugin_basename( 'multisite-clone-duplicator/multisite-clone-duplicator.php' ),
130
  ai1wm_discover_plugin_basename( 'wordpress-mu-domain-mapping/domain_mapping.php' ),
 
131
  ) );
132
 
133
  // Deactivate Jetpack modules
@@ -191,6 +193,7 @@ class Ai1wm_Import_Done {
191
  ai1wm_discover_plugin_basename( 'join-my-multisite/joinmymultisite.php' ),
192
  ai1wm_discover_plugin_basename( 'multisite-clone-duplicator/multisite-clone-duplicator.php' ),
193
  ai1wm_discover_plugin_basename( 'wordpress-mu-domain-mapping/domain_mapping.php' ),
 
194
  ) );
195
 
196
  // Deactivate Jetpack modules
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
67
  ai1wm_discover_plugin_basename( 'join-my-multisite/joinmymultisite.php' ),
68
  ai1wm_discover_plugin_basename( 'multisite-clone-duplicator/multisite-clone-duplicator.php' ),
69
  ai1wm_discover_plugin_basename( 'wordpress-mu-domain-mapping/domain_mapping.php' ),
70
+ ai1wm_discover_plugin_basename( 'pro-sites/pro-sites.php' ),
71
  ) );
72
 
73
  // Deactivate Jetpack modules
129
  ai1wm_discover_plugin_basename( 'join-my-multisite/joinmymultisite.php' ),
130
  ai1wm_discover_plugin_basename( 'multisite-clone-duplicator/multisite-clone-duplicator.php' ),
131
  ai1wm_discover_plugin_basename( 'wordpress-mu-domain-mapping/domain_mapping.php' ),
132
+ ai1wm_discover_plugin_basename( 'pro-sites/pro-sites.php' ),
133
  ) );
134
 
135
  // Deactivate Jetpack modules
193
  ai1wm_discover_plugin_basename( 'join-my-multisite/joinmymultisite.php' ),
194
  ai1wm_discover_plugin_basename( 'multisite-clone-duplicator/multisite-clone-duplicator.php' ),
195
  ai1wm_discover_plugin_basename( 'wordpress-mu-domain-mapping/domain_mapping.php' ),
196
+ ai1wm_discover_plugin_basename( 'pro-sites/pro-sites.php' ),
197
  ) );
198
 
199
  // Deactivate Jetpack modules
lib/model/import/class-ai1wm-import-enumerate.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/import/class-ai1wm-import-mu-plugins.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
@@ -35,6 +35,7 @@ class Ai1wm_Import_Mu_Plugins {
35
  AI1WM_MUPLUGINS_NAME . DIRECTORY_SEPARATOR . AI1WM_ENDURANCE_PHP_EDGE_NAME,
36
  AI1WM_MUPLUGINS_NAME . DIRECTORY_SEPARATOR . AI1WM_ENDURANCE_BROWSER_CACHE_NAME,
37
  AI1WM_MUPLUGINS_NAME . DIRECTORY_SEPARATOR . AI1WM_GD_SYSTEM_PLUGIN_NAME,
 
38
  );
39
 
40
  // Open the archive file for reading
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
35
  AI1WM_MUPLUGINS_NAME . DIRECTORY_SEPARATOR . AI1WM_ENDURANCE_PHP_EDGE_NAME,
36
  AI1WM_MUPLUGINS_NAME . DIRECTORY_SEPARATOR . AI1WM_ENDURANCE_BROWSER_CACHE_NAME,
37
  AI1WM_MUPLUGINS_NAME . DIRECTORY_SEPARATOR . AI1WM_GD_SYSTEM_PLUGIN_NAME,
38
+ AI1WM_MUPLUGINS_NAME . DIRECTORY_SEPARATOR . AI1WM_WP_STACK_CACHE_NAME,
39
  );
40
 
41
  // Open the archive file for reading
lib/model/import/class-ai1wm-import-upload.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/model/import/class-ai1wm-import-validate.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/vendor/math/BigInteger.php DELETED
@@ -1,3811 +0,0 @@
1
- <?php
2
-
3
- if ( ! class_exists( 'Math_BigInteger' ) ) {
4
- /**
5
- * Pure-PHP arbitrary precision integer arithmetic library.
6
- *
7
- * Supports base-2, base-10, base-16, and base-256 numbers. Uses the GMP or BCMath extensions, if available,
8
- * and an internal implementation, otherwise.
9
- *
10
- * PHP versions 4 and 5
11
- *
12
- * {@internal (all DocBlock comments regarding implementation - such as the one that follows - refer to the
13
- * {@link MATH_BIGINTEGER_MODE_INTERNAL MATH_BIGINTEGER_MODE_INTERNAL} mode)
14
- *
15
- * Math_BigInteger uses base-2**26 to perform operations such as multiplication and division and
16
- * base-2**52 (ie. two base 2**26 digits) to perform addition and subtraction. Because the largest possible
17
- * value when multiplying two base-2**26 numbers together is a base-2**52 number, double precision floating
18
- * point numbers - numbers that should be supported on most hardware and whose significand is 53 bits - are
19
- * used. As a consequence, bitwise operators such as >> and << cannot be used, nor can the modulo operator %,
20
- * which only supports integers. Although this fact will slow this library down, the fact that such a high
21
- * base is being used should more than compensate.
22
- *
23
- * Numbers are stored in {@link http://en.wikipedia.org/wiki/Endianness little endian} format. ie.
24
- * (new Math_BigInteger(pow(2, 26)))->value = array(0, 1)
25
- *
26
- * Useful resources are as follows:
27
- *
28
- * - {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf Handbook of Applied Cryptography (HAC)}
29
- * - {@link http://math.libtomcrypt.com/files/tommath.pdf Multi-Precision Math (MPM)}
30
- * - Java's BigInteger classes. See /j2se/src/share/classes/java/math in jdk-1_5_0-src-jrl.zip
31
- *
32
- * Here's an example of how to use this library:
33
- * <code>
34
- * <?php
35
- * include 'Math/BigInteger.php';
36
- *
37
- * $a = new Math_BigInteger(2);
38
- * $b = new Math_BigInteger(3);
39
- *
40
- * $c = $a->add($b);
41
- *
42
- * echo $c->toString(); // outputs 5
43
- * ?>
44
- * </code>
45
- *
46
- * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy
47
- * of this software and associated documentation files (the "Software"), to deal
48
- * in the Software without restriction, including without limitation the rights
49
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
50
- * copies of the Software, and to permit persons to whom the Software is
51
- * furnished to do so, subject to the following conditions:
52
- *
53
- * The above copyright notice and this permission notice shall be included in
54
- * all copies or substantial portions of the Software.
55
- *
56
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
57
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
58
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
59
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
60
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
61
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
62
- * THE SOFTWARE.
63
- *
64
- * @category Math
65
- * @package Math_BigInteger
66
- * @author Jim Wigginton <terrafrost@php.net>
67
- * @copyright 2006 Jim Wigginton
68
- * @license http://www.opensource.org/licenses/mit-license.html MIT License
69
- * @link http://pear.php.net/package/Math_BigInteger
70
- */
71
-
72
- /**#@+
73
- * Reduction constants
74
- *
75
- * @access private
76
- * @see self::_reduce()
77
- */
78
- /**
79
- * @see self::_montgomery()
80
- * @see self::_prepMontgomery()
81
- */
82
- define('MATH_BIGINTEGER_MONTGOMERY', 0);
83
- /**
84
- * @see self::_barrett()
85
- */
86
- define('MATH_BIGINTEGER_BARRETT', 1);
87
- /**
88
- * @see self::_mod2()
89
- */
90
- define('MATH_BIGINTEGER_POWEROF2', 2);
91
- /**
92
- * @see self::_remainder()
93
- */
94
- define('MATH_BIGINTEGER_CLASSIC', 3);
95
- /**
96
- * @see self::__clone()
97
- */
98
- define('MATH_BIGINTEGER_NONE', 4);
99
- /**#@-*/
100
-
101
- /**#@+
102
- * Array constants
103
- *
104
- * Rather than create a thousands and thousands of new Math_BigInteger objects in repeated function calls to add() and
105
- * multiply() or whatever, we'll just work directly on arrays, taking them in as parameters and returning them.
106
- *
107
- * @access private
108
- */
109
- /**
110
- * $result[MATH_BIGINTEGER_VALUE] contains the value.
111
- */
112
- define('MATH_BIGINTEGER_VALUE', 0);
113
- /**
114
- * $result[MATH_BIGINTEGER_SIGN] contains the sign.
115
- */
116
- define('MATH_BIGINTEGER_SIGN', 1);
117
- /**#@-*/
118
-
119
- /**#@+
120
- * @access private
121
- * @see self::_montgomery()
122
- * @see self::_barrett()
123
- */
124
- /**
125
- * Cache constants
126
- *
127
- * $cache[MATH_BIGINTEGER_VARIABLE] tells us whether or not the cached data is still valid.
128
- */
129
- define('MATH_BIGINTEGER_VARIABLE', 0);
130
- /**
131
- * $cache[MATH_BIGINTEGER_DATA] contains the cached data.
132
- */
133
- define('MATH_BIGINTEGER_DATA', 1);
134
- /**#@-*/
135
-
136
- /**#@+
137
- * Mode constants.
138
- *
139
- * @access private
140
- * @see self::Math_BigInteger()
141
- */
142
- /**
143
- * To use the pure-PHP implementation
144
- */
145
- define('MATH_BIGINTEGER_MODE_INTERNAL', 1);
146
- /**
147
- * To use the BCMath library
148
- *
149
- * (if enabled; otherwise, the internal implementation will be used)
150
- */
151
- define('MATH_BIGINTEGER_MODE_BCMATH', 2);
152
- /**
153
- * To use the GMP library
154
- *
155
- * (if present; otherwise, either the BCMath or the internal implementation will be used)
156
- */
157
- define('MATH_BIGINTEGER_MODE_GMP', 3);
158
- /**#@-*/
159
-
160
- /**
161
- * Karatsuba Cutoff
162
- *
163
- * At what point do we switch between Karatsuba multiplication and schoolbook long multiplication?
164
- *
165
- * @access private
166
- */
167
- define('MATH_BIGINTEGER_KARATSUBA_CUTOFF', 25);
168
-
169
- /**
170
- * Pure-PHP arbitrary precision integer arithmetic library. Supports base-2, base-10, base-16, and base-256
171
- * numbers.
172
- *
173
- * @package Math_BigInteger
174
- * @author Jim Wigginton <terrafrost@php.net>
175
- * @access public
176
- */
177
- class Math_BigInteger
178
- {
179
- /**
180
- * Holds the BigInteger's value.
181
- *
182
- * @var array
183
- * @access private
184
- */
185
- var $value;
186
-
187
- /**
188
- * Holds the BigInteger's magnitude.
189
- *
190
- * @var bool
191
- * @access private
192
- */
193
- var $is_negative = false;
194
-
195
- /**
196
- * Precision
197
- *
198
- * @see self::setPrecision()
199
- * @access private
200
- */
201
- var $precision = -1;
202
-
203
- /**
204
- * Precision Bitmask
205
- *
206
- * @see self::setPrecision()
207
- * @access private
208
- */
209
- var $bitmask = false;
210
-
211
- /**
212
- * Mode independent value used for serialization.
213
- *
214
- * If the bcmath or gmp extensions are installed $this->value will be a non-serializable resource, hence the need for
215
- * a variable that'll be serializable regardless of whether or not extensions are being used. Unlike $this->value,
216
- * however, $this->hex is only calculated when $this->__sleep() is called.
217
- *
218
- * @see self::__sleep()
219
- * @see self::__wakeup()
220
- * @var string
221
- * @access private
222
- */
223
- var $hex;
224
-
225
- /**
226
- * Converts base-2, base-10, base-16, and binary strings (base-256) to BigIntegers.
227
- *
228
- * If the second parameter - $base - is negative, then it will be assumed that the number's are encoded using
229
- * two's compliment. The sole exception to this is -10, which is treated the same as 10 is.
230
- *
231
- * Here's an example:
232
- * <code>
233
- * <?php
234
- * include 'Math/BigInteger.php';
235
- *
236
- * $a = new Math_BigInteger('0x32', 16); // 50 in base-16
237
- *
238
- * echo $a->toString(); // outputs 50
239
- * ?>
240
- * </code>
241
- *
242
- * @param $x base-10 number or base-$base number if $base set.
243
- * @param int $base
244
- * @return Math_BigInteger
245
- * @access public
246
- */
247
- function __construct($x = 0, $base = 10)
248
- {
249
- if (!defined('MATH_BIGINTEGER_MODE')) {
250
- switch (true) {
251
- case extension_loaded('gmp'):
252
- define('MATH_BIGINTEGER_MODE', MATH_BIGINTEGER_MODE_GMP);
253
- break;
254
- case extension_loaded('bcmath'):
255
- define('MATH_BIGINTEGER_MODE', MATH_BIGINTEGER_MODE_BCMATH);
256
- break;
257
- default:
258
- define('MATH_BIGINTEGER_MODE', MATH_BIGINTEGER_MODE_INTERNAL);
259
- }
260
- }
261
-
262
- if (extension_loaded('openssl') && !defined('MATH_BIGINTEGER_OPENSSL_DISABLE') && !defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) {
263
- // some versions of XAMPP have mismatched versions of OpenSSL which causes it not to work
264
- ob_start();
265
- @phpinfo();
266
- $content = ob_get_contents();
267
- ob_end_clean();
268
-
269
- preg_match_all('#OpenSSL (Header|Library) Version(.*)#im', $content, $matches);
270
-
271
- $versions = array();
272
- if (!empty($matches[1])) {
273
- for ($i = 0; $i < count($matches[1]); $i++) {
274
- $fullVersion = trim(str_replace('=>', '', strip_tags($matches[2][$i])));
275
-
276
- // Remove letter part in OpenSSL version
277
- if (!preg_match('/(\d+\.\d+\.\d+)/i', $fullVersion, $m)) {
278
- $versions[$matches[1][$i]] = $fullVersion;
279
- } else {
280
- $versions[$matches[1][$i]] = $m[0];
281
- }
282
- }
283
- }
284
-
285
- // it doesn't appear that OpenSSL versions were reported upon until PHP 5.3+
286
- switch (true) {
287
- case !isset($versions['Header']):
288
- case !isset($versions['Library']):
289
- case $versions['Header'] == $versions['Library']:
290
- case version_compare($versions['Header'], '1.0.0') >= 0 && version_compare($versions['Library'], '1.0.0') >= 0:
291
- define('MATH_BIGINTEGER_OPENSSL_ENABLED', true);
292
- break;
293
- default:
294
- define('MATH_BIGINTEGER_OPENSSL_DISABLE', true);
295
- }
296
- }
297
-
298
- if (!defined('PHP_INT_SIZE')) {
299
- define('PHP_INT_SIZE', 4);
300
- }
301
-
302
- if (!defined('MATH_BIGINTEGER_BASE') && MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_INTERNAL) {
303
- switch (PHP_INT_SIZE) {
304
- case 8: // use 64-bit integers if int size is 8 bytes
305
- define('MATH_BIGINTEGER_BASE', 31);
306
- define('MATH_BIGINTEGER_BASE_FULL', 0x80000000);
307
- define('MATH_BIGINTEGER_MAX_DIGIT', 0x7FFFFFFF);
308
- define('MATH_BIGINTEGER_MSB', 0x40000000);
309
- // 10**9 is the closest we can get to 2**31 without passing it
310
- define('MATH_BIGINTEGER_MAX10', 1000000000);
311
- define('MATH_BIGINTEGER_MAX10_LEN', 9);
312
- // the largest digit that may be used in addition / subtraction
313
- define('MATH_BIGINTEGER_MAX_DIGIT2', pow(2, 62));
314
- break;
315
- //case 4: // use 64-bit floats if int size is 4 bytes
316
- default:
317
- define('MATH_BIGINTEGER_BASE', 26);
318
- define('MATH_BIGINTEGER_BASE_FULL', 0x4000000);
319
- define('MATH_BIGINTEGER_MAX_DIGIT', 0x3FFFFFF);
320
- define('MATH_BIGINTEGER_MSB', 0x2000000);
321
- // 10**7 is the closest to 2**26 without passing it
322
- define('MATH_BIGINTEGER_MAX10', 10000000);
323
- define('MATH_BIGINTEGER_MAX10_LEN', 7);
324
- // the largest digit that may be used in addition / subtraction
325
- // we do pow(2, 52) instead of using 4503599627370496 directly because some
326
- // PHP installations will truncate 4503599627370496.
327
- define('MATH_BIGINTEGER_MAX_DIGIT2', pow(2, 52));
328
- }
329
- }
330
-
331
- switch (MATH_BIGINTEGER_MODE) {
332
- case MATH_BIGINTEGER_MODE_GMP:
333
- switch (true) {
334
- case is_resource($x) && get_resource_type($x) == 'GMP integer':
335
- // PHP 5.6 switched GMP from using resources to objects
336
- case is_object($x) && get_class($x) == 'GMP':
337
- $this->value = $x;
338
- return;
339
- }
340
- $this->value = gmp_init(0);
341
- break;
342
- case MATH_BIGINTEGER_MODE_BCMATH:
343
- $this->value = '0';
344
- break;
345
- default:
346
- $this->value = array();
347
- }
348
-
349
- // '0' counts as empty() but when the base is 256 '0' is equal to ord('0') or 48
350
- // '0' is the only value like this per http://php.net/empty
351
- if (empty($x) && (abs($base) != 256 || $x !== '0')) {
352
- return;
353
- }
354
-
355
- switch ($base) {
356
- case -256:
357
- if (ord($x[0]) & 0x80) {
358
- $x = ~$x;
359
- $this->is_negative = true;
360
- }
361
- case 256:
362
- switch (MATH_BIGINTEGER_MODE) {
363
- case MATH_BIGINTEGER_MODE_GMP:
364
- $sign = $this->is_negative ? '-' : '';
365
- $this->value = gmp_init($sign . '0x' . bin2hex($x));
366
- break;
367
- case MATH_BIGINTEGER_MODE_BCMATH:
368
- // round $len to the nearest 4 (thanks, DavidMJ!)
369
- $len = (strlen($x) + 3) & 0xFFFFFFFC;
370
-
371
- $x = str_pad($x, $len, chr(0), STR_PAD_LEFT);
372
-
373
- for ($i = 0; $i < $len; $i+= 4) {
374
- $this->value = bcmul($this->value, '4294967296', 0); // 4294967296 == 2**32
375
- $this->value = bcadd($this->value, 0x1000000 * ord($x[$i]) + ((ord($x[$i + 1]) << 16) | (ord($x[$i + 2]) << 8) | ord($x[$i + 3])), 0);
376
- }
377
-
378
- if ($this->is_negative) {
379
- $this->value = '-' . $this->value;
380
- }
381
-
382
- break;
383
- // converts a base-2**8 (big endian / msb) number to base-2**26 (little endian / lsb)
384
- default:
385
- while (strlen($x)) {
386
- $this->value[] = $this->_bytes2int($this->_base256_rshift($x, MATH_BIGINTEGER_BASE));
387
- }
388
- }
389
-
390
- if ($this->is_negative) {
391
- if (MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_INTERNAL) {
392
- $this->is_negative = false;
393
- }
394
- $temp = $this->add(new Math_BigInteger('-1'));
395
- $this->value = $temp->value;
396
- }
397
- break;
398
- case 16:
399
- case -16:
400
- if ($base > 0 && $x[0] == '-') {
401
- $this->is_negative = true;
402
- $x = substr($x, 1);
403
- }
404
-
405
- $x = preg_replace('#^(?:0x)?([A-Fa-f0-9]*).*#', '$1', $x);
406
-
407
- $is_negative = false;
408
- if ($base < 0 && hexdec($x[0]) >= 8) {
409
- $this->is_negative = $is_negative = true;
410
- $x = bin2hex(~pack('H*', $x));
411
- }
412
-
413
- switch (MATH_BIGINTEGER_MODE) {
414
- case MATH_BIGINTEGER_MODE_GMP:
415
- $temp = $this->is_negative ? '-0x' . $x : '0x' . $x;
416
- $this->value = gmp_init($temp);
417
- $this->is_negative = false;
418
- break;
419
- case MATH_BIGINTEGER_MODE_BCMATH:
420
- $x = (strlen($x) & 1) ? '0' . $x : $x;
421
- $temp = new Math_BigInteger(pack('H*', $x), 256);
422
- $this->value = $this->is_negative ? '-' . $temp->value : $temp->value;
423
- $this->is_negative = false;
424
- break;
425
- default:
426
- $x = (strlen($x) & 1) ? '0' . $x : $x;
427
- $temp = new Math_BigInteger(pack('H*', $x), 256);
428
- $this->value = $temp->value;
429
- }
430
-
431
- if ($is_negative) {
432
- $temp = $this->add(new Math_BigInteger('-1'));
433
- $this->value = $temp->value;
434
- }
435
- break;
436
- case 10:
437
- case -10:
438
- // (?<!^)(?:-).*: find any -'s that aren't at the beginning and then any characters that follow that
439
- // (?<=^|-)0*: find any 0's that are preceded by the start of the string or by a - (ie. octals)
440
- // [^-0-9].*: find any non-numeric characters and then any characters that follow that
441
- $x = preg_replace('#(?<!^)(?:-).*|(?<=^|-)0*|[^-0-9].*#', '', $x);
442
-
443
- switch (MATH_BIGINTEGER_MODE) {
444
- case MATH_BIGINTEGER_MODE_GMP:
445
- $this->value = gmp_init($x);
446
- break;
447
- case MATH_BIGINTEGER_MODE_BCMATH:
448
- // explicitly casting $x to a string is necessary, here, since doing $x[0] on -1 yields different
449
- // results then doing it on '-1' does (modInverse does $x[0])
450
- $this->value = $x === '-' ? '0' : (string) $x;
451
- break;
452
- default:
453
- $temp = new Math_BigInteger();
454
-
455
- $multiplier = new Math_BigInteger();
456
- $multiplier->value = array(MATH_BIGINTEGER_MAX10);
457
-
458
- if ($x[0] == '-') {
459
- $this->is_negative = true;
460
- $x = substr($x, 1);
461
- }
462
-
463
- $x = str_pad($x, strlen($x) + ((MATH_BIGINTEGER_MAX10_LEN - 1) * strlen($x)) % MATH_BIGINTEGER_MAX10_LEN, 0, STR_PAD_LEFT);
464
- while (strlen($x)) {
465
- $temp = $temp->multiply($multiplier);
466
- $temp = $temp->add(new Math_BigInteger($this->_int2bytes(substr($x, 0, MATH_BIGINTEGER_MAX10_LEN)), 256));
467
- $x = substr($x, MATH_BIGINTEGER_MAX10_LEN);
468
- }
469
-
470
- $this->value = $temp->value;
471
- }
472
- break;
473
- case 2: // base-2 support originally implemented by Lluis Pamies - thanks!
474
- case -2:
475
- if ($base > 0 && $x[0] == '-') {
476
- $this->is_negative = true;
477
- $x = substr($x, 1);
478
- }
479
-
480
- $x = preg_replace('#^([01]*).*#', '$1', $x);
481
- $x = str_pad($x, strlen($x) + (3 * strlen($x)) % 4, 0, STR_PAD_LEFT);
482
-
483
- $str = '0x';
484
- while (strlen($x)) {
485
- $part = substr($x, 0, 4);
486
- $str.= dechex(bindec($part));
487
- $x = substr($x, 4);
488
- }
489
-
490
- if ($this->is_negative) {
491
- $str = '-' . $str;
492
- }
493
-
494
- $temp = new Math_BigInteger($str, 8 * $base); // ie. either -16 or +16
495
- $this->value = $temp->value;
496
- $this->is_negative = $temp->is_negative;
497
-
498
- break;
499
- default:
500
- // base not supported, so we'll let $this == 0
501
- }
502
- }
503
-
504
- /**
505
- * PHP4 compatible Default Constructor.
506
- *
507
- * @see self::__construct()
508
- * @param $x base-10 number or base-$base number if $base set.
509
- * @param int $base
510
- * @access public
511
- */
512
- function Math_BigInteger($x = 0, $base = 10)
513
- {
514
- $this->__construct($x, $base);
515
- }
516
-
517
- /**
518
- * Converts a BigInteger to a byte string (eg. base-256).
519
- *
520
- * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're
521
- * saved as two's compliment.
522
- *
523
- * Here's an example:
524
- * <code>
525
- * <?php
526
- * include 'Math/BigInteger.php';
527
- *
528
- * $a = new Math_BigInteger('65');
529
- *
530
- * echo $a->toBytes(); // outputs chr(65)
531
- * ?>
532
- * </code>
533
- *
534
- * @param bool $twos_compliment
535
- * @return string
536
- * @access public
537
- * @internal Converts a base-2**26 number to base-2**8
538
- */
539
- function toBytes($twos_compliment = false)
540
- {
541
- if ($twos_compliment) {
542
- $comparison = $this->compare(new Math_BigInteger());
543
- if ($comparison == 0) {
544
- return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : '';
545
- }
546
-
547
- $temp = $comparison < 0 ? $this->add(new Math_BigInteger(1)) : $this->copy();
548
- $bytes = $temp->toBytes();
549
-
550
- if (empty($bytes)) { // eg. if the number we're trying to convert is -1
551
- $bytes = chr(0);
552
- }
553
-
554
- if (ord($bytes[0]) & 0x80) {
555
- $bytes = chr(0) . $bytes;
556
- }
557
-
558
- return $comparison < 0 ? ~$bytes : $bytes;
559
- }
560
-
561
- switch (MATH_BIGINTEGER_MODE) {
562
- case MATH_BIGINTEGER_MODE_GMP:
563
- if (gmp_cmp($this->value, gmp_init(0)) == 0) {
564
- return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : '';
565
- }
566
-
567
- $temp = gmp_strval(gmp_abs($this->value), 16);
568
- $temp = (strlen($temp) & 1) ? '0' . $temp : $temp;
569
- $temp = pack('H*', $temp);
570
-
571
- return $this->precision > 0 ?
572
- substr(str_pad($temp, $this->precision >> 3, chr(0), STR_PAD_LEFT), -($this->precision >> 3)) :
573
- ltrim($temp, chr(0));
574
- case MATH_BIGINTEGER_MODE_BCMATH:
575
- if ($this->value === '0') {
576
- return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : '';
577
- }
578
-
579
- $value = '';
580
- $current = $this->value;
581
-
582
- if ($current[0] == '-') {
583
- $current = substr($current, 1);
584
- }
585
-
586
- while (bccomp($current, '0', 0) > 0) {
587
- $temp = bcmod($current, '16777216');
588
- $value = chr($temp >> 16) . chr($temp >> 8) . chr($temp) . $value;
589
- $current = bcdiv($current, '16777216', 0);
590
- }
591
-
592
- return $this->precision > 0 ?
593
- substr(str_pad($value, $this->precision >> 3, chr(0), STR_PAD_LEFT), -($this->precision >> 3)) :
594
- ltrim($value, chr(0));
595
- }
596
-
597
- if (!count($this->value)) {
598
- return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : '';
599
- }
600
- $result = $this->_int2bytes($this->value[count($this->value) - 1]);
601
-
602
- $temp = $this->copy();
603
-
604
- for ($i = count($temp->value) - 2; $i >= 0; --$i) {
605
- $temp->_base256_lshift($result, MATH_BIGINTEGER_BASE);
606
- $result = $result | str_pad($temp->_int2bytes($temp->value[$i]), strlen($result), chr(0), STR_PAD_LEFT);
607
- }
608
-
609
- return $this->precision > 0 ?
610
- str_pad(substr($result, -(($this->precision + 7) >> 3)), ($this->precision + 7) >> 3, chr(0), STR_PAD_LEFT) :
611
- $result;
612
- }
613
-
614
- /**
615
- * Converts a BigInteger to a hex string (eg. base-16)).
616
- *
617
- * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're
618
- * saved as two's compliment.
619
- *
620
- * Here's an example:
621
- * <code>
622
- * <?php
623
- * include 'Math/BigInteger.php';
624
- *
625
- * $a = new Math_BigInteger('65');
626
- *
627
- * echo $a->toHex(); // outputs '41'
628
- * ?>
629
- * </code>
630
- *
631
- * @param bool $twos_compliment
632
- * @return string
633
- * @access public
634
- * @internal Converts a base-2**26 number to base-2**8
635
- */
636
- function toHex($twos_compliment = false)
637
- {
638
- return bin2hex($this->toBytes($twos_compliment));
639
- }
640
-
641
- /**
642
- * Converts a BigInteger to a bit string (eg. base-2).
643
- *
644
- * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're
645
- * saved as two's compliment.
646
- *
647
- * Here's an example:
648
- * <code>
649
- * <?php
650
- * include 'Math/BigInteger.php';
651
- *
652
- * $a = new Math_BigInteger('65');
653
- *
654
- * echo $a->toBits(); // outputs '1000001'
655
- * ?>
656
- * </code>
657
- *
658
- * @param bool $twos_compliment
659
- * @return string
660
- * @access public
661
- * @internal Converts a base-2**26 number to base-2**2
662
- */
663
- function toBits($twos_compliment = false)
664
- {
665
- $hex = $this->toHex($twos_compliment);
666
- $bits = '';
667
- for ($i = strlen($hex) - 8, $start = strlen($hex) & 7; $i >= $start; $i-=8) {
668
- $bits = str_pad(decbin(hexdec(substr($hex, $i, 8))), 32, '0', STR_PAD_LEFT) . $bits;
669
- }
670
- if ($start) { // hexdec('') == 0
671
- $bits = str_pad(decbin(hexdec(substr($hex, 0, $start))), 8, '0', STR_PAD_LEFT) . $bits;
672
- }
673
- $result = $this->precision > 0 ? substr($bits, -$this->precision) : ltrim($bits, '0');
674
-
675
- if ($twos_compliment && $this->compare(new Math_BigInteger()) > 0 && $this->precision <= 0) {
676
- return '0' . $result;
677
- }
678
-
679
- return $result;
680
- }
681
-
682
- /**
683
- * Converts a BigInteger to a base-10 number.
684
- *
685
- * Here's an example:
686
- * <code>
687
- * <?php
688
- * include 'Math/BigInteger.php';
689
- *
690
- * $a = new Math_BigInteger('50');
691
- *
692
- * echo $a->toString(); // outputs 50
693
- * ?>
694
- * </code>
695
- *
696
- * @return string
697
- * @access public
698
- * @internal Converts a base-2**26 number to base-10**7 (which is pretty much base-10)
699
- */
700
- function toString()
701
- {
702
- switch (MATH_BIGINTEGER_MODE) {
703
- case MATH_BIGINTEGER_MODE_GMP:
704
- return gmp_strval($this->value);
705
- case MATH_BIGINTEGER_MODE_BCMATH:
706
- if ($this->value === '0') {
707
- return '0';
708
- }
709
-
710
- return ltrim($this->value, '0');
711
- }
712
-
713
- if (!count($this->value)) {
714
- return '0';
715
- }
716
-
717
- $temp = $this->copy();
718
- $temp->is_negative = false;
719
-
720
- $divisor = new Math_BigInteger();
721
- $divisor->value = array(MATH_BIGINTEGER_MAX10);
722
- $result = '';
723
- while (count($temp->value)) {
724
- list($temp, $mod) = $temp->divide($divisor);
725
- $result = str_pad(isset($mod->value[0]) ? $mod->value[0] : '', MATH_BIGINTEGER_MAX10_LEN, '0', STR_PAD_LEFT) . $result;
726
- }
727
- $result = ltrim($result, '0');
728
- if (empty($result)) {
729
- $result = '0';
730
- }
731
-
732
- if ($this->is_negative) {
733
- $result = '-' . $result;
734
- }
735
-
736
- return $result;
737
- }
738
-
739
- function toInteger()
740
- {
741
- return (int) $this->toString();
742
- }
743
-
744
- /**
745
- * Copy an object
746
- *
747
- * PHP5 passes objects by reference while PHP4 passes by value. As such, we need a function to guarantee
748
- * that all objects are passed by value, when appropriate. More information can be found here:
749
- *
750
- * {@link http://php.net/language.oop5.basic#51624}
751
- *
752
- * @access public
753
- * @see self::__clone()
754
- * @return Math_BigInteger
755
- */
756
- function copy()
757
- {
758
- $temp = new Math_BigInteger();
759
- $temp->value = $this->value;
760
- $temp->is_negative = $this->is_negative;
761
- $temp->precision = $this->precision;
762
- $temp->bitmask = $this->bitmask;
763
- return $temp;
764
- }
765
-
766
- /**
767
- * __toString() magic method
768
- *
769
- * Will be called, automatically, if you're supporting just PHP5. If you're supporting PHP4, you'll need to call
770
- * toString().
771
- *
772
- * @access public
773
- * @internal Implemented per a suggestion by Techie-Michael - thanks!
774
- */
775
- function __toString()
776
- {
777
- return $this->toString();
778
- }
779
-
780
- /**
781
- * __clone() magic method
782
- *
783
- * Although you can call Math_BigInteger::__toString() directly in PHP5, you cannot call Math_BigInteger::__clone()
784
- * directly in PHP5. You can in PHP4 since it's not a magic method, but in PHP5, you have to call it by using the PHP5
785
- * only syntax of $y = clone $x. As such, if you're trying to write an application that works on both PHP4 and PHP5,
786
- * call Math_BigInteger::copy(), instead.
787
- *
788
- * @access public
789
- * @see self::copy()
790
- * @return Math_BigInteger
791
- */
792
- function __clone()
793
- {
794
- return $this->copy();
795
- }
796
-
797
- /**
798
- * __sleep() magic method
799
- *
800
- * Will be called, automatically, when serialize() is called on a Math_BigInteger object.
801
- *
802
- * @see self::__wakeup()
803
- * @access public
804
- */
805
- function __sleep()
806
- {
807
- $this->hex = $this->toHex(true);
808
- $vars = array('hex');
809
- if ($this->precision > 0) {
810
- $vars[] = 'precision';
811
- }
812
- return $vars;
813
- }
814
-
815
- /**
816
- * __wakeup() magic method
817
- *
818
- * Will be called, automatically, when unserialize() is called on a Math_BigInteger object.
819
- *
820
- * @see self::__sleep()
821
- * @access public
822
- */
823
- function __wakeup()
824
- {
825
- $temp = new Math_BigInteger($this->hex, -16);
826
- $this->value = $temp->value;
827
- $this->is_negative = $temp->is_negative;
828
- if ($this->precision > 0) {
829
- // recalculate $this->bitmask
830
- $this->setPrecision($this->precision);
831
- }
832
- }
833
-
834
- /**
835
- * __debugInfo() magic method
836
- *
837
- * Will be called, automatically, when print_r() or var_dump() are called
838
- *
839
- * @access public
840
- */
841
- function __debugInfo()
842
- {
843
- $opts = array();
844
- switch (MATH_BIGINTEGER_MODE) {
845
- case MATH_BIGINTEGER_MODE_GMP:
846
- $engine = 'gmp';
847
- break;
848
- case MATH_BIGINTEGER_MODE_BCMATH:
849
- $engine = 'bcmath';
850
- break;
851
- case MATH_BIGINTEGER_MODE_INTERNAL:
852
- $engine = 'internal';
853
- $opts[] = PHP_INT_SIZE == 8 ? '64-bit' : '32-bit';
854
- }
855
- if (MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_GMP && defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) {
856
- $opts[] = 'OpenSSL';
857
- }
858
- if (!empty($opts)) {
859
- $engine.= ' (' . implode($opts, ', ') . ')';
860
- }
861
- return array(
862
- 'value' => '0x' . $this->toHex(true),
863
- 'engine' => $engine
864
- );
865
- }
866
-
867
- /**
868
- * Adds two BigIntegers.
869
- *
870
- * Here's an example:
871
- * <code>
872
- * <?php
873
- * include 'Math/BigInteger.php';
874
- *
875
- * $a = new Math_BigInteger('10');
876
- * $b = new Math_BigInteger('20');
877
- *
878
- * $c = $a->add($b);
879
- *
880
- * echo $c->toString(); // outputs 30
881
- * ?>
882
- * </code>
883
- *
884
- * @param Math_BigInteger $y
885
- * @return Math_BigInteger
886
- * @access public
887
- * @internal Performs base-2**52 addition
888
- */
889
- function add($y)
890
- {
891
- switch (MATH_BIGINTEGER_MODE) {
892
- case MATH_BIGINTEGER_MODE_GMP:
893
- $temp = new Math_BigInteger();
894
- $temp->value = gmp_add($this->value, $y->value);
895
-
896
- return $this->_normalize($temp);
897
- case MATH_BIGINTEGER_MODE_BCMATH:
898
- $temp = new Math_BigInteger();
899
- $temp->value = bcadd($this->value, $y->value, 0);
900
-
901
- return $this->_normalize($temp);
902
- }
903
-
904
- $temp = $this->_add($this->value, $this->is_negative, $y->value, $y->is_negative);
905
-
906
- $result = new Math_BigInteger();
907
- $result->value = $temp[MATH_BIGINTEGER_VALUE];
908
- $result->is_negative = $temp[MATH_BIGINTEGER_SIGN];
909
-
910
- return $this->_normalize($result);
911
- }
912
-
913
- /**
914
- * Performs addition.
915
- *
916
- * @param array $x_value
917
- * @param bool $x_negative
918
- * @param array $y_value
919
- * @param bool $y_negative
920
- * @return array
921
- * @access private
922
- */
923
- function _add($x_value, $x_negative, $y_value, $y_negative)
924
- {
925
- $x_size = count($x_value);
926
- $y_size = count($y_value);
927
-
928
- if ($x_size == 0) {
929
- return array(
930
- MATH_BIGINTEGER_VALUE => $y_value,
931
- MATH_BIGINTEGER_SIGN => $y_negative
932
- );
933
- } elseif ($y_size == 0) {
934
- return array(
935
- MATH_BIGINTEGER_VALUE => $x_value,
936
- MATH_BIGINTEGER_SIGN => $x_negative
937
- );
938
- }
939
-
940
- // subtract, if appropriate
941
- if ($x_negative != $y_negative) {
942
- if ($x_value == $y_value) {
943
- return array(
944
- MATH_BIGINTEGER_VALUE => array(),
945
- MATH_BIGINTEGER_SIGN => false
946
- );
947
- }
948
-
949
- $temp = $this->_subtract($x_value, false, $y_value, false);
950
- $temp[MATH_BIGINTEGER_SIGN] = $this->_compare($x_value, false, $y_value, false) > 0 ?
951
- $x_negative : $y_negative;
952
-
953
- return $temp;
954
- }
955
-
956
- if ($x_size < $y_size) {
957
- $size = $x_size;
958
- $value = $y_value;
959
- } else {
960
- $size = $y_size;
961
- $value = $x_value;
962
- }
963
-
964
- $value[count($value)] = 0; // just in case the carry adds an extra digit
965
-
966
- $carry = 0;
967
- for ($i = 0, $j = 1; $j < $size; $i+=2, $j+=2) {
968
- $sum = $x_value[$j] * MATH_BIGINTEGER_BASE_FULL + $x_value[$i] + $y_value[$j] * MATH_BIGINTEGER_BASE_FULL + $y_value[$i] + $carry;
969
- $carry = $sum >= MATH_BIGINTEGER_MAX_DIGIT2; // eg. floor($sum / 2**52); only possible values (in any base) are 0 and 1
970
- $sum = $carry ? $sum - MATH_BIGINTEGER_MAX_DIGIT2 : $sum;
971
-
972
- $temp = MATH_BIGINTEGER_BASE === 26 ? intval($sum / 0x4000000) : ($sum >> 31);
973
-
974
- $value[$i] = (int) ($sum - MATH_BIGINTEGER_BASE_FULL * $temp); // eg. a faster alternative to fmod($sum, 0x4000000)
975
- $value[$j] = $temp;
976
- }
977
-
978
- if ($j == $size) { // ie. if $y_size is odd
979
- $sum = $x_value[$i] + $y_value[$i] + $carry;
980
- $carry = $sum >= MATH_BIGINTEGER_BASE_FULL;
981
- $value[$i] = $carry ? $sum - MATH_BIGINTEGER_BASE_FULL : $sum;
982
- ++$i; // ie. let $i = $j since we've just done $value[$i]
983
- }
984
-
985
- if ($carry) {
986
- for (; $value[$i] == MATH_BIGINTEGER_MAX_DIGIT; ++$i) {
987
- $value[$i] = 0;
988
- }
989
- ++$value[$i];
990
- }
991
-
992
- return array(
993
- MATH_BIGINTEGER_VALUE => $this->_trim($value),
994
- MATH_BIGINTEGER_SIGN => $x_negative
995
- );
996
- }
997
-
998
- /**
999
- * Subtracts two BigIntegers.
1000
- *
1001
- * Here's an example:
1002
- * <code>
1003
- * <?php
1004
- * include 'Math/BigInteger.php';
1005
- *
1006
- * $a = new Math_BigInteger('10');
1007
- * $b = new Math_BigInteger('20');
1008
- *
1009
- * $c = $a->subtract($b);
1010
- *
1011
- * echo $c->toString(); // outputs -10
1012
- * ?>
1013
- * </code>
1014
- *
1015
- * @param Math_BigInteger $y
1016
- * @return Math_BigInteger
1017
- * @access public
1018
- * @internal Performs base-2**52 subtraction
1019
- */
1020
- function subtract($y)
1021
- {
1022
- switch (MATH_BIGINTEGER_MODE) {
1023
- case MATH_BIGINTEGER_MODE_GMP:
1024
- $temp = new Math_BigInteger();
1025
- $temp->value = gmp_sub($this->value, $y->value);
1026
-
1027
- return $this->_normalize($temp);
1028
- case MATH_BIGINTEGER_MODE_BCMATH:
1029
- $temp = new Math_BigInteger();
1030
- $temp->value = bcsub($this->value, $y->value, 0);
1031
-
1032
- return $this->_normalize($temp);
1033
- }
1034
-
1035
- $temp = $this->_subtract($this->value, $this->is_negative, $y->value, $y->is_negative);
1036
-
1037
- $result = new Math_BigInteger();
1038
- $result->value = $temp[MATH_BIGINTEGER_VALUE];
1039
- $result->is_negative = $temp[MATH_BIGINTEGER_SIGN];
1040
-
1041
- return $this->_normalize($result);
1042
- }
1043
-
1044
- /**
1045
- * Performs subtraction.
1046
- *
1047
- * @param array $x_value
1048
- * @param bool $x_negative
1049
- * @param array $y_value
1050
- * @param bool $y_negative
1051
- * @return array
1052
- * @access private
1053
- */
1054
- function _subtract($x_value, $x_negative, $y_value, $y_negative)
1055
- {
1056
- $x_size = count($x_value);
1057
- $y_size = count($y_value);
1058
-
1059
- if ($x_size == 0) {
1060
- return array(
1061
- MATH_BIGINTEGER_VALUE => $y_value,
1062
- MATH_BIGINTEGER_SIGN => !$y_negative
1063
- );
1064
- } elseif ($y_size == 0) {
1065
- return array(
1066
- MATH_BIGINTEGER_VALUE => $x_value,
1067
- MATH_BIGINTEGER_SIGN => $x_negative
1068
- );
1069
- }
1070
-
1071
- // add, if appropriate (ie. -$x - +$y or +$x - -$y)
1072
- if ($x_negative != $y_negative) {
1073
- $temp = $this->_add($x_value, false, $y_value, false);
1074
- $temp[MATH_BIGINTEGER_SIGN] = $x_negative;
1075
-
1076
- return $temp;
1077
- }
1078
-
1079
- $diff = $this->_compare($x_value, $x_negative, $y_value, $y_negative);
1080
-
1081
- if (!$diff) {
1082
- return array(
1083
- MATH_BIGINTEGER_VALUE => array(),
1084
- MATH_BIGINTEGER_SIGN => false
1085
- );
1086
- }
1087
-
1088
- // switch $x and $y around, if appropriate.
1089
- if ((!$x_negative && $diff < 0) || ($x_negative && $diff > 0)) {
1090
- $temp = $x_value;
1091
- $x_value = $y_value;
1092
- $y_value = $temp;
1093
-
1094
- $x_negative = !$x_negative;
1095
-
1096
- $x_size = count($x_value);
1097
- $y_size = count($y_value);
1098
- }
1099
-
1100
- // at this point, $x_value should be at least as big as - if not bigger than - $y_value
1101
-
1102
- $carry = 0;
1103
- for ($i = 0, $j = 1; $j < $y_size; $i+=2, $j+=2) {
1104
- $sum = $x_value[$j] * MATH_BIGINTEGER_BASE_FULL + $x_value[$i] - $y_value[$j] * MATH_BIGINTEGER_BASE_FULL - $y_value[$i] - $carry;
1105
- $carry = $sum < 0; // eg. floor($sum / 2**52); only possible values (in any base) are 0 and 1
1106
- $sum = $carry ? $sum + MATH_BIGINTEGER_MAX_DIGIT2 : $sum;
1107
-
1108
- $temp = MATH_BIGINTEGER_BASE === 26 ? intval($sum / 0x4000000) : ($sum >> 31);
1109
-
1110
- $x_value[$i] = (int) ($sum - MATH_BIGINTEGER_BASE_FULL * $temp);
1111
- $x_value[$j] = $temp;
1112
- }
1113
-
1114
- if ($j == $y_size) { // ie. if $y_size is odd
1115
- $sum = $x_value[$i] - $y_value[$i] - $carry;
1116
- $carry = $sum < 0;
1117
- $x_value[$i] = $carry ? $sum + MATH_BIGINTEGER_BASE_FULL : $sum;
1118
- ++$i;
1119
- }
1120
-
1121
- if ($carry) {
1122
- for (; !$x_value[$i]; ++$i) {
1123
- $x_value[$i] = MATH_BIGINTEGER_MAX_DIGIT;
1124
- }
1125
- --$x_value[$i];
1126
- }
1127
-
1128
- return array(
1129
- MATH_BIGINTEGER_VALUE => $this->_trim($x_value),
1130
- MATH_BIGINTEGER_SIGN => $x_negative
1131
- );
1132
- }
1133
-
1134
- /**
1135
- * Multiplies two BigIntegers
1136
- *
1137
- * Here's an example:
1138
- * <code>
1139
- * <?php
1140
- * include 'Math/BigInteger.php';
1141
- *
1142
- * $a = new Math_BigInteger('10');
1143
- * $b = new Math_BigInteger('20');
1144
- *
1145
- * $c = $a->multiply($b);
1146
- *
1147
- * echo $c->toString(); // outputs 200
1148
- * ?>
1149
- * </code>
1150
- *
1151
- * @param Math_BigInteger $x
1152
- * @return Math_BigInteger
1153
- * @access public
1154
- */
1155
- function multiply($x)
1156
- {
1157
- switch (MATH_BIGINTEGER_MODE) {
1158
- case MATH_BIGINTEGER_MODE_GMP:
1159
- $temp = new Math_BigInteger();
1160
- $temp->value = gmp_mul($this->value, $x->value);
1161
-
1162
- return $this->_normalize($temp);
1163
- case MATH_BIGINTEGER_MODE_BCMATH:
1164
- $temp = new Math_BigInteger();
1165
- $temp->value = bcmul($this->value, $x->value, 0);
1166
-
1167
- return $this->_normalize($temp);
1168
- }
1169
-
1170
- $temp = $this->_multiply($this->value, $this->is_negative, $x->value, $x->is_negative);
1171
-
1172
- $product = new Math_BigInteger();
1173
- $product->value = $temp[MATH_BIGINTEGER_VALUE];
1174
- $product->is_negative = $temp[MATH_BIGINTEGER_SIGN];
1175
-
1176
- return $this->_normalize($product);
1177
- }
1178
-
1179
- /**
1180
- * Performs multiplication.
1181
- *
1182
- * @param array $x_value
1183
- * @param bool $x_negative
1184
- * @param array $y_value
1185
- * @param bool $y_negative
1186
- * @return array
1187
- * @access private
1188
- */
1189
- function _multiply($x_value, $x_negative, $y_value, $y_negative)
1190
- {
1191
- //if ( $x_value == $y_value ) {
1192
- // return array(
1193
- // MATH_BIGINTEGER_VALUE => $this->_square($x_value),
1194
- // MATH_BIGINTEGER_SIGN => $x_sign != $y_value
1195
- // );
1196
- //}
1197
-
1198
- $x_length = count($x_value);
1199
- $y_length = count($y_value);
1200
-
1201
- if (!$x_length || !$y_length) { // a 0 is being multiplied
1202
- return array(
1203
- MATH_BIGINTEGER_VALUE => array(),
1204
- MATH_BIGINTEGER_SIGN => false
1205
- );
1206
- }
1207
-
1208
- return array(
1209
- MATH_BIGINTEGER_VALUE => min($x_length, $y_length) < 2 * MATH_BIGINTEGER_KARATSUBA_CUTOFF ?
1210
- $this->_trim($this->_regularMultiply($x_value, $y_value)) :
1211
- $this->_trim($this->_karatsuba($x_value, $y_value)),
1212
- MATH_BIGINTEGER_SIGN => $x_negative != $y_negative
1213
- );
1214
- }
1215
-
1216
- /**
1217
- * Performs long multiplication on two BigIntegers
1218
- *
1219
- * Modeled after 'multiply' in MutableBigInteger.java.
1220
- *
1221
- * @param array $x_value
1222
- * @param array $y_value
1223
- * @return array
1224
- * @access private
1225
- */
1226
- function _regularMultiply($x_value, $y_value)
1227
- {
1228
- $x_length = count($x_value);
1229
- $y_length = count($y_value);
1230
-
1231
- if (!$x_length || !$y_length) { // a 0 is being multiplied
1232
- return array();
1233
- }
1234
-
1235
- if ($x_length < $y_length) {
1236
- $temp = $x_value;
1237
- $x_value = $y_value;
1238
- $y_value = $temp;
1239
-
1240
- $x_length = count($x_value);
1241
- $y_length = count($y_value);
1242
- }
1243
-
1244
- $product_value = $this->_array_repeat(0, $x_length + $y_length);
1245
-
1246
- // the following for loop could be removed if the for loop following it
1247
- // (the one with nested for loops) initially set $i to 0, but
1248
- // doing so would also make the result in one set of unnecessary adds,
1249
- // since on the outermost loops first pass, $product->value[$k] is going
1250
- // to always be 0
1251
-
1252
- $carry = 0;
1253
-
1254
- for ($j = 0; $j < $x_length; ++$j) { // ie. $i = 0
1255
- $temp = $x_value[$j] * $y_value[0] + $carry; // $product_value[$k] == 0
1256
- $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
1257
- $product_value[$j] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);
1258
- }
1259
-
1260
- $product_value[$j] = $carry;
1261
-
1262
- // the above for loop is what the previous comment was talking about. the
1263
- // following for loop is the "one with nested for loops"
1264
- for ($i = 1; $i < $y_length; ++$i) {
1265
- $carry = 0;
1266
-
1267
- for ($j = 0, $k = $i; $j < $x_length; ++$j, ++$k) {
1268
- $temp = $product_value[$k] + $x_value[$j] * $y_value[$i] + $carry;
1269
- $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
1270
- $product_value[$k] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);
1271
- }
1272
-
1273
- $product_value[$k] = $carry;
1274
- }
1275
-
1276
- return $product_value;
1277
- }
1278
-
1279
- /**
1280
- * Performs Karatsuba multiplication on two BigIntegers
1281
- *
1282
- * See {@link http://en.wikipedia.org/wiki/Karatsuba_algorithm Karatsuba algorithm} and
1283
- * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=120 MPM 5.2.3}.
1284
- *
1285
- * @param array $x_value
1286
- * @param array $y_value
1287
- * @return array
1288
- * @access private
1289
- */
1290
- function _karatsuba($x_value, $y_value)
1291
- {
1292
- $m = min(count($x_value) >> 1, count($y_value) >> 1);
1293
-
1294
- if ($m < MATH_BIGINTEGER_KARATSUBA_CUTOFF) {
1295
- return $this->_regularMultiply($x_value, $y_value);
1296
- }
1297
-
1298
- $x1 = array_slice($x_value, $m);
1299
- $x0 = array_slice($x_value, 0, $m);
1300
- $y1 = array_slice($y_value, $m);
1301
- $y0 = array_slice($y_value, 0, $m);
1302
-
1303
- $z2 = $this->_karatsuba($x1, $y1);
1304
- $z0 = $this->_karatsuba($x0, $y0);
1305
-
1306
- $z1 = $this->_add($x1, false, $x0, false);
1307
- $temp = $this->_add($y1, false, $y0, false);
1308
- $z1 = $this->_karatsuba($z1[MATH_BIGINTEGER_VALUE], $temp[MATH_BIGINTEGER_VALUE]);
1309
- $temp = $this->_add($z2, false, $z0, false);
1310
- $z1 = $this->_subtract($z1, false, $temp[MATH_BIGINTEGER_VALUE], false);
1311
-
1312
- $z2 = array_merge(array_fill(0, 2 * $m, 0), $z2);
1313
- $z1[MATH_BIGINTEGER_VALUE] = array_merge(array_fill(0, $m, 0), $z1[MATH_BIGINTEGER_VALUE]);
1314
-
1315
- $xy = $this->_add($z2, false, $z1[MATH_BIGINTEGER_VALUE], $z1[MATH_BIGINTEGER_SIGN]);
1316
- $xy = $this->_add($xy[MATH_BIGINTEGER_VALUE], $xy[MATH_BIGINTEGER_SIGN], $z0, false);
1317
-
1318
- return $xy[MATH_BIGINTEGER_VALUE];
1319
- }
1320
-
1321
- /**
1322
- * Performs squaring
1323
- *
1324
- * @param array $x
1325
- * @return array
1326
- * @access private
1327
- */
1328
- function _square($x = false)
1329
- {
1330
- return count($x) < 2 * MATH_BIGINTEGER_KARATSUBA_CUTOFF ?
1331
- $this->_trim($this->_baseSquare($x)) :
1332
- $this->_trim($this->_karatsubaSquare($x));
1333
- }
1334
-
1335
- /**
1336
- * Performs traditional squaring on two BigIntegers
1337
- *
1338
- * Squaring can be done faster than multiplying a number by itself can be. See
1339
- * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=7 HAC 14.2.4} /
1340
- * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=141 MPM 5.3} for more information.
1341
- *
1342
- * @param array $value
1343
- * @return array
1344
- * @access private
1345
- */
1346
- function _baseSquare($value)
1347
- {
1348
- if (empty($value)) {
1349
- return array();
1350
- }
1351
- $square_value = $this->_array_repeat(0, 2 * count($value));
1352
-
1353
- for ($i = 0, $max_index = count($value) - 1; $i <= $max_index; ++$i) {
1354
- $i2 = $i << 1;
1355
-
1356
- $temp = $square_value[$i2] + $value[$i] * $value[$i];
1357
- $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
1358
- $square_value[$i2] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);
1359
-
1360
- // note how we start from $i+1 instead of 0 as we do in multiplication.
1361
- for ($j = $i + 1, $k = $i2 + 1; $j <= $max_index; ++$j, ++$k) {
1362
- $temp = $square_value[$k] + 2 * $value[$j] * $value[$i] + $carry;
1363
- $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
1364
- $square_value[$k] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);
1365
- }
1366
-
1367
- // the following line can yield values larger 2**15. at this point, PHP should switch
1368
- // over to floats.
1369
- $square_value[$i + $max_index + 1] = $carry;
1370
- }
1371
-
1372
- return $square_value;
1373
- }
1374
-
1375
- /**
1376
- * Performs Karatsuba "squaring" on two BigIntegers
1377
- *
1378
- * See {@link http://en.wikipedia.org/wiki/Karatsuba_algorithm Karatsuba algorithm} and
1379
- * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=151 MPM 5.3.4}.
1380
- *
1381
- * @param array $value
1382
- * @return array
1383
- * @access private
1384
- */
1385
- function _karatsubaSquare($value)
1386
- {
1387
- $m = count($value) >> 1;
1388
-
1389
- if ($m < MATH_BIGINTEGER_KARATSUBA_CUTOFF) {
1390
- return $this->_baseSquare($value);
1391
- }
1392
-
1393
- $x1 = array_slice($value, $m);
1394
- $x0 = array_slice($value, 0, $m);
1395
-
1396
- $z2 = $this->_karatsubaSquare($x1);
1397
- $z0 = $this->_karatsubaSquare($x0);
1398
-
1399
- $z1 = $this->_add($x1, false, $x0, false);
1400
- $z1 = $this->_karatsubaSquare($z1[MATH_BIGINTEGER_VALUE]);
1401
- $temp = $this->_add($z2, false, $z0, false);
1402
- $z1 = $this->_subtract($z1, false, $temp[MATH_BIGINTEGER_VALUE], false);
1403
-
1404
- $z2 = array_merge(array_fill(0, 2 * $m, 0), $z2);
1405
- $z1[MATH_BIGINTEGER_VALUE] = array_merge(array_fill(0, $m, 0), $z1[MATH_BIGINTEGER_VALUE]);
1406
-
1407
- $xx = $this->_add($z2, false, $z1[MATH_BIGINTEGER_VALUE], $z1[MATH_BIGINTEGER_SIGN]);
1408
- $xx = $this->_add($xx[MATH_BIGINTEGER_VALUE], $xx[MATH_BIGINTEGER_SIGN], $z0, false);
1409
-
1410
- return $xx[MATH_BIGINTEGER_VALUE];
1411
- }
1412
-
1413
- /**
1414
- * Divides two BigIntegers.
1415
- *
1416
- * Returns an array whose first element contains the quotient and whose second element contains the
1417
- * "common residue". If the remainder would be positive, the "common residue" and the remainder are the
1418
- * same. If the remainder would be negative, the "common residue" is equal to the sum of the remainder
1419
- * and the divisor (basically, the "common residue" is the first positive modulo).
1420
- *
1421
- * Here's an example:
1422
- * <code>
1423
- * <?php
1424
- * include 'Math/BigInteger.php';
1425
- *
1426
- * $a = new Math_BigInteger('10');
1427
- * $b = new Math_BigInteger('20');
1428
- *
1429
- * list($quotient, $remainder) = $a->divide($b);
1430
- *
1431
- * echo $quotient->toString(); // outputs 0
1432
- * echo "\r\n";
1433
- * echo $remainder->toString(); // outputs 10
1434
- * ?>
1435
- * </code>
1436
- *
1437
- * @param Math_BigInteger $y
1438
- * @return array
1439
- * @access public
1440
- * @internal This function is based off of {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=9 HAC 14.20}.
1441
- */
1442
- function divide($y)
1443
- {
1444
- switch (MATH_BIGINTEGER_MODE) {
1445
- case MATH_BIGINTEGER_MODE_GMP:
1446
- $quotient = new Math_BigInteger();
1447
- $remainder = new Math_BigInteger();
1448
-
1449
- list($quotient->value, $remainder->value) = gmp_div_qr($this->value, $y->value);
1450
-
1451
- if (gmp_sign($remainder->value) < 0) {
1452
- $remainder->value = gmp_add($remainder->value, gmp_abs($y->value));
1453
- }
1454
-
1455
- return array($this->_normalize($quotient), $this->_normalize($remainder));
1456
- case MATH_BIGINTEGER_MODE_BCMATH:
1457
- $quotient = new Math_BigInteger();
1458
- $remainder = new Math_BigInteger();
1459
-
1460
- $quotient->value = bcdiv($this->value, $y->value, 0);
1461
- $remainder->value = bcmod($this->value, $y->value);
1462
-
1463
- if ($remainder->value[0] == '-') {
1464
- $remainder->value = bcadd($remainder->value, $y->value[0] == '-' ? substr($y->value, 1) : $y->value, 0);
1465
- }
1466
-
1467
- return array($this->_normalize($quotient), $this->_normalize($remainder));
1468
- }
1469
-
1470
- if (count($y->value) == 1) {
1471
- list($q, $r) = $this->_divide_digit($this->value, $y->value[0]);
1472
- $quotient = new Math_BigInteger();
1473
- $remainder = new Math_BigInteger();
1474
- $quotient->value = $q;
1475
- $remainder->value = array($r);
1476
- $quotient->is_negative = $this->is_negative != $y->is_negative;
1477
- return array($this->_normalize($quotient), $this->_normalize($remainder));
1478
- }
1479
-
1480
- static $zero;
1481
- if (!isset($zero)) {
1482
- $zero = new Math_BigInteger();
1483
- }
1484
-
1485
- $x = $this->copy();
1486
- $y = $y->copy();
1487
-
1488
- $x_sign = $x->is_negative;
1489
- $y_sign = $y->is_negative;
1490
-
1491
- $x->is_negative = $y->is_negative = false;
1492
-
1493
- $diff = $x->compare($y);
1494
-
1495
- if (!$diff) {
1496
- $temp = new Math_BigInteger();
1497
- $temp->value = array(1);
1498
- $temp->is_negative = $x_sign != $y_sign;
1499
- return array($this->_normalize($temp), $this->_normalize(new Math_BigInteger()));
1500
- }
1501
-
1502
- if ($diff < 0) {
1503
- // if $x is negative, "add" $y.
1504
- if ($x_sign) {
1505
- $x = $y->subtract($x);
1506
- }
1507
- return array($this->_normalize(new Math_BigInteger()), $this->_normalize($x));
1508
- }
1509
-
1510
- // normalize $x and $y as described in HAC 14.23 / 14.24
1511
- $msb = $y->value[count($y->value) - 1];
1512
- for ($shift = 0; !($msb & MATH_BIGINTEGER_MSB); ++$shift) {
1513
- $msb <<= 1;
1514
- }
1515
- $x->_lshift($shift);
1516
- $y->_lshift($shift);
1517
- $y_value = &$y->value;
1518
-
1519
- $x_max = count($x->value) - 1;
1520
- $y_max = count($y->value) - 1;
1521
-
1522
- $quotient = new Math_BigInteger();
1523
- $quotient_value = &$quotient->value;
1524
- $quotient_value = $this->_array_repeat(0, $x_max - $y_max + 1);
1525
-
1526
- static $temp, $lhs, $rhs;
1527
- if (!isset($temp)) {
1528
- $temp = new Math_BigInteger();
1529
- $lhs = new Math_BigInteger();
1530
- $rhs = new Math_BigInteger();
1531
- }
1532
- $temp_value = &$temp->value;
1533
- $rhs_value = &$rhs->value;
1534
-
1535
- // $temp = $y << ($x_max - $y_max-1) in base 2**26
1536
- $temp_value = array_merge($this->_array_repeat(0, $x_max - $y_max), $y_value);
1537
-
1538
- while ($x->compare($temp) >= 0) {
1539
- // calculate the "common residue"
1540
- ++$quotient_value[$x_max - $y_max];
1541
- $x = $x->subtract($temp);
1542
- $x_max = count($x->value) - 1;
1543
- }
1544
-
1545
- for ($i = $x_max; $i >= $y_max + 1; --$i) {
1546
- $x_value = &$x->value;
1547
- $x_window = array(
1548
- isset($x_value[$i]) ? $x_value[$i] : 0,
1549
- isset($x_value[$i - 1]) ? $x_value[$i - 1] : 0,
1550
- isset($x_value[$i - 2]) ? $x_value[$i - 2] : 0
1551
- );
1552
- $y_window = array(
1553
- $y_value[$y_max],
1554
- ($y_max > 0) ? $y_value[$y_max - 1] : 0
1555
- );
1556
-
1557
- $q_index = $i - $y_max - 1;
1558
- if ($x_window[0] == $y_window[0]) {
1559
- $quotient_value[$q_index] = MATH_BIGINTEGER_MAX_DIGIT;
1560
- } else {
1561
- $quotient_value[$q_index] = $this->_safe_divide(
1562
- $x_window[0] * MATH_BIGINTEGER_BASE_FULL + $x_window[1],
1563
- $y_window[0]
1564
- );
1565
- }
1566
-
1567
- $temp_value = array($y_window[1], $y_window[0]);
1568
-
1569
- $lhs->value = array($quotient_value[$q_index]);
1570
- $lhs = $lhs->multiply($temp);
1571
-
1572
- $rhs_value = array($x_window[2], $x_window[1], $x_window[0]);
1573
-
1574
- while ($lhs->compare($rhs) > 0) {
1575
- --$quotient_value[$q_index];
1576
-
1577
- $lhs->value = array($quotient_value[$q_index]);
1578
- $lhs = $lhs->multiply($temp);
1579
- }
1580
-
1581
- $adjust = $this->_array_repeat(0, $q_index);
1582
- $temp_value = array($quotient_value[$q_index]);
1583
- $temp = $temp->multiply($y);
1584
- $temp_value = &$temp->value;
1585
- $temp_value = array_merge($adjust, $temp_value);
1586
-
1587
- $x = $x->subtract($temp);
1588
-
1589
- if ($x->compare($zero) < 0) {
1590
- $temp_value = array_merge($adjust, $y_value);
1591
- $x = $x->add($temp);
1592
-
1593
- --$quotient_value[$q_index];
1594
- }
1595
-
1596
- $x_max = count($x_value) - 1;
1597
- }
1598
-
1599
- // unnormalize the remainder
1600
- $x->_rshift($shift);
1601
-
1602
- $quotient->is_negative = $x_sign != $y_sign;
1603
-
1604
- // calculate the "common residue", if appropriate
1605
- if ($x_sign) {
1606
- $y->_rshift($shift);
1607
- $x = $y->subtract($x);
1608
- }
1609
-
1610
- return array($this->_normalize($quotient), $this->_normalize($x));
1611
- }
1612
-
1613
- /**
1614
- * Divides a BigInteger by a regular integer
1615
- *
1616
- * abc / x = a00 / x + b0 / x + c / x
1617
- *
1618
- * @param array $dividend
1619
- * @param array $divisor
1620
- * @return array
1621
- * @access private
1622
- */
1623
- function _divide_digit($dividend, $divisor)
1624
- {
1625
- $carry = 0;
1626
- $result = array();
1627
-
1628
- for ($i = count($dividend) - 1; $i >= 0; --$i) {
1629
- $temp = MATH_BIGINTEGER_BASE_FULL * $carry + $dividend[$i];
1630
- $result[$i] = $this->_safe_divide($temp, $divisor);
1631
- $carry = (int) ($temp - $divisor * $result[$i]);
1632
- }
1633
-
1634
- return array($result, $carry);
1635
- }
1636
-
1637
- /**
1638
- * Performs modular exponentiation.
1639
- *
1640
- * Here's an example:
1641
- * <code>
1642
- * <?php
1643
- * include 'Math/BigInteger.php';
1644
- *
1645
- * $a = new Math_BigInteger('10');
1646
- * $b = new Math_BigInteger('20');
1647
- * $c = new Math_BigInteger('30');
1648
- *
1649
- * $c = $a->modPow($b, $c);
1650
- *
1651
- * echo $c->toString(); // outputs 10
1652
- * ?>
1653
- * </code>
1654
- *
1655
- * @param Math_BigInteger $e
1656
- * @param Math_BigInteger $n
1657
- * @return Math_BigInteger
1658
- * @access public
1659
- * @internal The most naive approach to modular exponentiation has very unreasonable requirements, and
1660
- * and although the approach involving repeated squaring does vastly better, it, too, is impractical
1661
- * for our purposes. The reason being that division - by far the most complicated and time-consuming
1662
- * of the basic operations (eg. +,-,*,/) - occurs multiple times within it.
1663
- *
1664
- * Modular reductions resolve this issue. Although an individual modular reduction takes more time
1665
- * then an individual division, when performed in succession (with the same modulo), they're a lot faster.
1666
- *
1667
- * The two most commonly used modular reductions are Barrett and Montgomery reduction. Montgomery reduction,
1668
- * although faster, only works when the gcd of the modulo and of the base being used is 1. In RSA, when the
1669
- * base is a power of two, the modulo - a product of two primes - is always going to have a gcd of 1 (because
1670
- * the product of two odd numbers is odd), but what about when RSA isn't used?
1671
- *
1672
- * In contrast, Barrett reduction has no such constraint. As such, some bigint implementations perform a
1673
- * Barrett reduction after every operation in the modpow function. Others perform Barrett reductions when the
1674
- * modulo is even and Montgomery reductions when the modulo is odd. BigInteger.java's modPow method, however,
1675
- * uses a trick involving the Chinese Remainder Theorem to factor the even modulo into two numbers - one odd and
1676
- * the other, a power of two - and recombine them, later. This is the method that this modPow function uses.
1677
- * {@link http://islab.oregonstate.edu/papers/j34monex.pdf Montgomery Reduction with Even Modulus} elaborates.
1678
- */
1679
- function modPow($e, $n)
1680
- {
1681
- $n = $this->bitmask !== false && $this->bitmask->compare($n) < 0 ? $this->bitmask : $n->abs();
1682
-
1683
- if ($e->compare(new Math_BigInteger()) < 0) {
1684
- $e = $e->abs();
1685
-
1686
- $temp = $this->modInverse($n);
1687
- if ($temp === false) {
1688
- return false;
1689
- }
1690
-
1691
- return $this->_normalize($temp->modPow($e, $n));
1692
- }
1693
-
1694
- if (MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_GMP) {
1695
- $temp = new Math_BigInteger();
1696
- $temp->value = gmp_powm($this->value, $e->value, $n->value);
1697
-
1698
- return $this->_normalize($temp);
1699
- }
1700
-
1701
- if ($this->compare(new Math_BigInteger()) < 0 || $this->compare($n) > 0) {
1702
- list(, $temp) = $this->divide($n);
1703
- return $temp->modPow($e, $n);
1704
- }
1705
-
1706
- if (defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) {
1707
- $components = array(
1708
- 'modulus' => $n->toBytes(true),
1709
- 'publicExponent' => $e->toBytes(true)
1710
- );
1711
-
1712
- $components = array(
1713
- 'modulus' => pack('Ca*a*', 2, $this->_encodeASN1Length(strlen($components['modulus'])), $components['modulus']),
1714
- 'publicExponent' => pack('Ca*a*', 2, $this->_encodeASN1Length(strlen($components['publicExponent'])), $components['publicExponent'])
1715
- );
1716
-
1717
- $RSAPublicKey = pack(
1718
- 'Ca*a*a*',
1719
- 48,
1720
- $this->_encodeASN1Length(strlen($components['modulus']) + strlen($components['publicExponent'])),
1721
- $components['modulus'],
1722
- $components['publicExponent']
1723
- );
1724
-
1725
- $rsaOID = pack('H*', '300d06092a864886f70d0101010500'); // hex version of MA0GCSqGSIb3DQEBAQUA
1726
- $RSAPublicKey = chr(0) . $RSAPublicKey;
1727
- $RSAPublicKey = chr(3) . $this->_encodeASN1Length(strlen($RSAPublicKey)) . $RSAPublicKey;
1728
-
1729
- $encapsulated = pack(
1730
- 'Ca*a*',
1731
- 48,
1732
- $this->_encodeASN1Length(strlen($rsaOID . $RSAPublicKey)),
1733
- $rsaOID . $RSAPublicKey
1734
- );
1735
-
1736
- $RSAPublicKey = "-----BEGIN PUBLIC KEY-----\r\n" .
1737
- chunk_split(base64_encode($encapsulated)) .
1738
- '-----END PUBLIC KEY-----';
1739
-
1740
- $plaintext = str_pad($this->toBytes(), strlen($n->toBytes(true)) - 1, "\0", STR_PAD_LEFT);
1741
-
1742
- if (openssl_public_encrypt($plaintext, $result, $RSAPublicKey, OPENSSL_NO_PADDING)) {
1743
- return new Math_BigInteger($result, 256);
1744
- }
1745
- }
1746
-
1747
- if (MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_BCMATH) {
1748
- $temp = new Math_BigInteger();
1749
- $temp->value = bcpowmod($this->value, $e->value, $n->value, 0);
1750
-
1751
- return $this->_normalize($temp);
1752
- }
1753
-
1754
- if (empty($e->value)) {
1755
- $temp = new Math_BigInteger();
1756
- $temp->value = array(1);
1757
- return $this->_normalize($temp);
1758
- }
1759
-
1760
- if ($e->value == array(1)) {
1761
- list(, $temp) = $this->divide($n);
1762
- return $this->_normalize($temp);
1763
- }
1764
-
1765
- if ($e->value == array(2)) {
1766
- $temp = new Math_BigInteger();
1767
- $temp->value = $this->_square($this->value);
1768
- list(, $temp) = $temp->divide($n);
1769
- return $this->_normalize($temp);
1770
- }
1771
-
1772
- return $this->_normalize($this->_slidingWindow($e, $n, MATH_BIGINTEGER_BARRETT));
1773
-
1774
- // the following code, although not callable, can be run independently of the above code
1775
- // although the above code performed better in my benchmarks the following could might
1776
- // perform better under different circumstances. in lieu of deleting it it's just been
1777
- // made uncallable
1778
-
1779
- // is the modulo odd?
1780
- if ($n->value[0] & 1) {
1781
- return $this->_normalize($this->_slidingWindow($e, $n, MATH_BIGINTEGER_MONTGOMERY));
1782
- }
1783
- // if it's not, it's even
1784
-
1785
- // find the lowest set bit (eg. the max pow of 2 that divides $n)
1786
- for ($i = 0; $i < count($n->value); ++$i) {
1787
- if ($n->value[$i]) {
1788
- $temp = decbin($n->value[$i]);
1789
- $j = strlen($temp) - strrpos($temp, '1') - 1;
1790
- $j+= 26 * $i;
1791
- break;
1792
- }
1793
- }
1794
- // at this point, 2^$j * $n/(2^$j) == $n
1795
-
1796
- $mod1 = $n->copy();
1797
- $mod1->_rshift($j);
1798
- $mod2 = new Math_BigInteger();
1799
- $mod2->value = array(1);
1800
- $mod2->_lshift($j);
1801
-
1802
- $part1 = ($mod1->value != array(1)) ? $this->_slidingWindow($e, $mod1, MATH_BIGINTEGER_MONTGOMERY) : new Math_BigInteger();
1803
- $part2 = $this->_slidingWindow($e, $mod2, MATH_BIGINTEGER_POWEROF2);
1804
-
1805
- $y1 = $mod2->modInverse($mod1);
1806
- $y2 = $mod1->modInverse($mod2);
1807
-
1808
- $result = $part1->multiply($mod2);
1809
- $result = $result->multiply($y1);
1810
-
1811
- $temp = $part2->multiply($mod1);
1812
- $temp = $temp->multiply($y2);
1813
-
1814
- $result = $result->add($temp);
1815
- list(, $result) = $result->divide($n);
1816
-
1817
- return $this->_normalize($result);
1818
- }
1819
-
1820
- /**
1821
- * Performs modular exponentiation.
1822
- *
1823
- * Alias for Math_BigInteger::modPow()
1824
- *
1825
- * @param Math_BigInteger $e
1826
- * @param Math_BigInteger $n
1827
- * @return Math_BigInteger
1828
- * @access public
1829
- */
1830
- function powMod($e, $n)
1831
- {
1832
- return $this->modPow($e, $n);
1833
- }
1834
-
1835
- /**
1836
- * Sliding Window k-ary Modular Exponentiation
1837
- *
1838
- * Based on {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=27 HAC 14.85} /
1839
- * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=210 MPM 7.7}. In a departure from those algorithims,
1840
- * however, this function performs a modular reduction after every multiplication and squaring operation.
1841
- * As such, this function has the same preconditions that the reductions being used do.
1842
- *
1843
- * @param Math_BigInteger $e
1844
- * @param Math_BigInteger $n
1845
- * @param int $mode
1846
- * @return Math_BigInteger
1847
- * @access private
1848
- */
1849
- function _slidingWindow($e, $n, $mode)
1850
- {
1851
- static $window_ranges = array(7, 25, 81, 241, 673, 1793); // from BigInteger.java's oddModPow function
1852
- //static $window_ranges = array(0, 7, 36, 140, 450, 1303, 3529); // from MPM 7.3.1
1853
-
1854
- $e_value = $e->value;
1855
- $e_length = count($e_value) - 1;
1856
- $e_bits = decbin($e_value[$e_length]);
1857
- for ($i = $e_length - 1; $i >= 0; --$i) {
1858
- $e_bits.= str_pad(decbin($e_value[$i]), MATH_BIGINTEGER_BASE, '0', STR_PAD_LEFT);
1859
- }
1860
-
1861
- $e_length = strlen($e_bits);
1862
-
1863
- // calculate the appropriate window size.
1864
- // $window_size == 3 if $window_ranges is between 25 and 81, for example.
1865
- for ($i = 0, $window_size = 1; $i < count($window_ranges) && $e_length > $window_ranges[$i]; ++$window_size, ++$i) {
1866
- }
1867
-
1868
- $n_value = $n->value;
1869
-
1870
- // precompute $this^0 through $this^$window_size
1871
- $powers = array();
1872
- $powers[1] = $this->_prepareReduce($this->value, $n_value, $mode);
1873
- $powers[2] = $this->_squareReduce($powers[1], $n_value, $mode);
1874
-
1875
- // we do every other number since substr($e_bits, $i, $j+1) (see below) is supposed to end
1876
- // in a 1. ie. it's supposed to be odd.
1877
- $temp = 1 << ($window_size - 1);
1878
- for ($i = 1; $i < $temp; ++$i) {
1879
- $i2 = $i << 1;
1880
- $powers[$i2 + 1] = $this->_multiplyReduce($powers[$i2 - 1], $powers[2], $n_value, $mode);
1881
- }
1882
-
1883
- $result = array(1);
1884
- $result = $this->_prepareReduce($result, $n_value, $mode);
1885
-
1886
- for ($i = 0; $i < $e_length;) {
1887
- if (!$e_bits[$i]) {
1888
- $result = $this->_squareReduce($result, $n_value, $mode);
1889
- ++$i;
1890
- } else {
1891
- for ($j = $window_size - 1; $j > 0; --$j) {
1892
- if (!empty($e_bits[$i + $j])) {
1893
- break;
1894
- }
1895
- }
1896
-
1897
- // eg. the length of substr($e_bits, $i, $j + 1)
1898
- for ($k = 0; $k <= $j; ++$k) {
1899
- $result = $this->_squareReduce($result, $n_value, $mode);
1900
- }
1901
-
1902
- $result = $this->_multiplyReduce($result, $powers[bindec(substr($e_bits, $i, $j + 1))], $n_value, $mode);
1903
-
1904
- $i += $j + 1;
1905
- }
1906
- }
1907
-
1908
- $temp = new Math_BigInteger();
1909
- $temp->value = $this->_reduce($result, $n_value, $mode);
1910
-
1911
- return $temp;
1912
- }
1913
-
1914
- /**
1915
- * Modular reduction
1916
- *
1917
- * For most $modes this will return the remainder.
1918
- *
1919
- * @see self::_slidingWindow()
1920
- * @access private
1921
- * @param array $x
1922
- * @param array $n
1923
- * @param int $mode
1924
- * @return array
1925
- */
1926
- function _reduce($x, $n, $mode)
1927
- {
1928
- switch ($mode) {
1929
- case MATH_BIGINTEGER_MONTGOMERY:
1930
- return $this->_montgomery($x, $n);
1931
- case MATH_BIGINTEGER_BARRETT:
1932
- return $this->_barrett($x, $n);
1933
- case MATH_BIGINTEGER_POWEROF2:
1934
- $lhs = new Math_BigInteger();
1935
- $lhs->value = $x;
1936
- $rhs = new Math_BigInteger();
1937
- $rhs->value = $n;
1938
- return $x->_mod2($n);
1939
- case MATH_BIGINTEGER_CLASSIC:
1940
- $lhs = new Math_BigInteger();
1941
- $lhs->value = $x;
1942
- $rhs = new Math_BigInteger();
1943
- $rhs->value = $n;
1944
- list(, $temp) = $lhs->divide($rhs);
1945
- return $temp->value;
1946
- case MATH_BIGINTEGER_NONE:
1947
- return $x;
1948
- default:
1949
- // an invalid $mode was provided
1950
- }
1951
- }
1952
-
1953
- /**
1954
- * Modular reduction preperation
1955
- *
1956
- * @see self::_slidingWindow()
1957
- * @access private
1958
- * @param array $x
1959
- * @param array $n
1960
- * @param int $mode
1961
- * @return array
1962
- */
1963
- function _prepareReduce($x, $n, $mode)
1964
- {
1965
- if ($mode == MATH_BIGINTEGER_MONTGOMERY) {
1966
- return $this->_prepMontgomery($x, $n);
1967
- }
1968
- return $this->_reduce($x, $n, $mode);
1969
- }
1970
-
1971
- /**
1972
- * Modular multiply
1973
- *
1974
- * @see self::_slidingWindow()
1975
- * @access private
1976
- * @param array $x
1977
- * @param array $y
1978
- * @param array $n
1979
- * @param int $mode
1980
- * @return array
1981
- */
1982
- function _multiplyReduce($x, $y, $n, $mode)
1983
- {
1984
- if ($mode == MATH_BIGINTEGER_MONTGOMERY) {
1985
- return $this->_montgomeryMultiply($x, $y, $n);
1986
- }
1987
- $temp = $this->_multiply($x, false, $y, false);
1988
- return $this->_reduce($temp[MATH_BIGINTEGER_VALUE], $n, $mode);
1989
- }
1990
-
1991
- /**
1992
- * Modular square
1993
- *
1994
- * @see self::_slidingWindow()
1995
- * @access private
1996
- * @param array $x
1997
- * @param array $n
1998
- * @param int $mode
1999
- * @return array
2000
- */
2001
- function _squareReduce($x, $n, $mode)
2002
- {
2003
- if ($mode == MATH_BIGINTEGER_MONTGOMERY) {
2004
- return $this->_montgomeryMultiply($x, $x, $n);
2005
- }
2006
- return $this->_reduce($this->_square($x), $n, $mode);
2007
- }
2008
-
2009
- /**
2010
- * Modulos for Powers of Two
2011
- *
2012
- * Calculates $x%$n, where $n = 2**$e, for some $e. Since this is basically the same as doing $x & ($n-1),
2013
- * we'll just use this function as a wrapper for doing that.
2014
- *
2015
- * @see self::_slidingWindow()
2016
- * @access private
2017
- * @param Math_BigInteger
2018
- * @return Math_BigInteger
2019
- */
2020
- function _mod2($n)
2021
- {
2022
- $temp = new Math_BigInteger();
2023
- $temp->value = array(1);
2024
- return $this->bitwise_and($n->subtract($temp));
2025
- }
2026
-
2027
- /**
2028
- * Barrett Modular Reduction
2029
- *
2030
- * See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=14 HAC 14.3.3} /
2031
- * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=165 MPM 6.2.5} for more information. Modified slightly,
2032
- * so as not to require negative numbers (initially, this script didn't support negative numbers).
2033
- *
2034
- * Employs "folding", as described at
2035
- * {@link http://www.cosic.esat.kuleuven.be/publications/thesis-149.pdf#page=66 thesis-149.pdf#page=66}. To quote from
2036
- * it, "the idea [behind folding] is to find a value x' such that x (mod m) = x' (mod m), with x' being smaller than x."
2037
- *
2038
- * Unfortunately, the "Barrett Reduction with Folding" algorithm described in thesis-149.pdf is not, as written, all that
2039
- * usable on account of (1) its not using reasonable radix points as discussed in
2040
- * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=162 MPM 6.2.2} and (2) the fact that, even with reasonable
2041
- * radix points, it only works when there are an even number of digits in the denominator. The reason for (2) is that
2042
- * (x >> 1) + (x >> 1) != x / 2 + x / 2. If x is even, they're the same, but if x is odd, they're not. See the in-line
2043
- * comments for details.
2044
- *
2045
- * @see self::_slidingWindow()
2046
- * @access private
2047
- * @param array $n
2048
- * @param array $m
2049
- * @return array
2050
- */
2051
- function _barrett($n, $m)
2052
- {
2053
- static $cache = array(
2054
- MATH_BIGINTEGER_VARIABLE => array(),
2055
- MATH_BIGINTEGER_DATA => array()
2056
- );
2057
-
2058
- $m_length = count($m);
2059
-
2060
- // if ($this->_compare($n, $this->_square($m)) >= 0) {
2061
- if (count($n) > 2 * $m_length) {
2062
- $lhs = new Math_BigInteger();
2063
- $rhs = new Math_BigInteger();
2064
- $lhs->value = $n;
2065
- $rhs->value = $m;
2066
- list(, $temp) = $lhs->divide($rhs);
2067
- return $temp->value;
2068
- }
2069
-
2070
- // if (m.length >> 1) + 2 <= m.length then m is too small and n can't be reduced
2071
- if ($m_length < 5) {
2072
- return $this->_regularBarrett($n, $m);
2073
- }
2074
-
2075
- // n = 2 * m.length
2076
-
2077
- if (($key = array_search($m, $cache[MATH_BIGINTEGER_VARIABLE])) === false) {
2078
- $key = count($cache[MATH_BIGINTEGER_VARIABLE]);
2079
- $cache[MATH_BIGINTEGER_VARIABLE][] = $m;
2080
-
2081
- $lhs = new Math_BigInteger();
2082
- $lhs_value = &$lhs->value;
2083
- $lhs_value = $this->_array_repeat(0, $m_length + ($m_length >> 1));
2084
- $lhs_value[] = 1;
2085
- $rhs = new Math_BigInteger();
2086
- $rhs->value = $m;
2087
-
2088
- list($u, $m1) = $lhs->divide($rhs);
2089
- $u = $u->value;
2090
- $m1 = $m1->value;
2091
-
2092
- $cache[MATH_BIGINTEGER_DATA][] = array(
2093
- 'u' => $u, // m.length >> 1 (technically (m.length >> 1) + 1)
2094
- 'm1'=> $m1 // m.length
2095
- );
2096
- } else {
2097
- extract($cache[MATH_BIGINTEGER_DATA][$key]);
2098
- }
2099
-
2100
- $cutoff = $m_length + ($m_length >> 1);
2101
- $lsd = array_slice($n, 0, $cutoff); // m.length + (m.length >> 1)
2102
- $msd = array_slice($n, $cutoff); // m.length >> 1
2103
- $lsd = $this->_trim($lsd);
2104
- $temp = $this->_multiply($msd, false, $m1, false);
2105
- $n = $this->_add($lsd, false, $temp[MATH_BIGINTEGER_VALUE], false); // m.length + (m.length >> 1) + 1
2106
-
2107
- if ($m_length & 1) {
2108
- return $this->_regularBarrett($n[MATH_BIGINTEGER_VALUE], $m);
2109
- }
2110
-
2111
- // (m.length + (m.length >> 1) + 1) - (m.length - 1) == (m.length >> 1) + 2
2112
- $temp = array_slice($n[MATH_BIGINTEGER_VALUE], $m_length - 1);
2113
- // if even: ((m.length >> 1) + 2) + (m.length >> 1) == m.length + 2
2114
- // if odd: ((m.length >> 1) + 2) + (m.length >> 1) == (m.length - 1) + 2 == m.length + 1
2115
- $temp = $this->_multiply($temp, false, $u, false);
2116
- // if even: (m.length + 2) - ((m.length >> 1) + 1) = m.length - (m.length >> 1) + 1
2117
- // if odd: (m.length + 1) - ((m.length >> 1) + 1) = m.length - (m.length >> 1)
2118
- $temp = array_slice($temp[MATH_BIGINTEGER_VALUE], ($m_length >> 1) + 1);
2119
- // if even: (m.length - (m.length >> 1) + 1) + m.length = 2 * m.length - (m.length >> 1) + 1
2120
- // if odd: (m.length - (m.length >> 1)) + m.length = 2 * m.length - (m.length >> 1)
2121
- $temp = $this->_multiply($temp, false, $m, false);
2122
-
2123
- // at this point, if m had an odd number of digits, we'd be subtracting a 2 * m.length - (m.length >> 1) digit
2124
- // number from a m.length + (m.length >> 1) + 1 digit number. ie. there'd be an extra digit and the while loop
2125
- // following this comment would loop a lot (hence our calling _regularBarrett() in that situation).
2126
-
2127
- $result = $this->_subtract($n[MATH_BIGINTEGER_VALUE], false, $temp[MATH_BIGINTEGER_VALUE], false);
2128
-
2129
- while ($this->_compare($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $m, false) >= 0) {
2130
- $result = $this->_subtract($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $m, false);
2131
- }
2132
-
2133
- return $result[MATH_BIGINTEGER_VALUE];
2134
- }
2135
-
2136
- /**
2137
- * (Regular) Barrett Modular Reduction
2138
- *
2139
- * For numbers with more than four digits Math_BigInteger::_barrett() is faster. The difference between that and this
2140
- * is that this function does not fold the denominator into a smaller form.
2141
- *
2142
- * @see self::_slidingWindow()
2143
- * @access private
2144
- * @param array $x
2145
- * @param array $n
2146
- * @return array
2147
- */
2148
- function _regularBarrett($x, $n)
2149
- {
2150
- static $cache = array(
2151
- MATH_BIGINTEGER_VARIABLE => array(),
2152
- MATH_BIGINTEGER_DATA => array()
2153
- );
2154
-
2155
- $n_length = count($n);
2156
-
2157
- if (count($x) > 2 * $n_length) {
2158
- $lhs = new Math_BigInteger();
2159
- $rhs = new Math_BigInteger();
2160
- $lhs->value = $x;
2161
- $rhs->value = $n;
2162
- list(, $temp) = $lhs->divide($rhs);
2163
- return $temp->value;
2164
- }
2165
-
2166
- if (($key = array_search($n, $cache[MATH_BIGINTEGER_VARIABLE])) === false) {
2167
- $key = count($cache[MATH_BIGINTEGER_VARIABLE]);
2168
- $cache[MATH_BIGINTEGER_VARIABLE][] = $n;
2169
- $lhs = new Math_BigInteger();
2170
- $lhs_value = &$lhs->value;
2171
- $lhs_value = $this->_array_repeat(0, 2 * $n_length);
2172
- $lhs_value[] = 1;
2173
- $rhs = new Math_BigInteger();
2174
- $rhs->value = $n;
2175
- list($temp, ) = $lhs->divide($rhs); // m.length
2176
- $cache[MATH_BIGINTEGER_DATA][] = $temp->value;
2177
- }
2178
-
2179
- // 2 * m.length - (m.length - 1) = m.length + 1
2180
- $temp = array_slice($x, $n_length - 1);
2181
- // (m.length + 1) + m.length = 2 * m.length + 1
2182
- $temp = $this->_multiply($temp, false, $cache[MATH_BIGINTEGER_DATA][$key], false);
2183
- // (2 * m.length + 1) - (m.length - 1) = m.length + 2
2184
- $temp = array_slice($temp[MATH_BIGINTEGER_VALUE], $n_length + 1);
2185
-
2186
- // m.length + 1
2187
- $result = array_slice($x, 0, $n_length + 1);
2188
- // m.length + 1
2189
- $temp = $this->_multiplyLower($temp, false, $n, false, $n_length + 1);
2190
- // $temp == array_slice($temp->_multiply($temp, false, $n, false)->value, 0, $n_length + 1)
2191
-
2192
- if ($this->_compare($result, false, $temp[MATH_BIGINTEGER_VALUE], $temp[MATH_BIGINTEGER_SIGN]) < 0) {
2193
- $corrector_value = $this->_array_repeat(0, $n_length + 1);
2194
- $corrector_value[count($corrector_value)] = 1;
2195
- $result = $this->_add($result, false, $corrector_value, false);
2196
- $result = $result[MATH_BIGINTEGER_VALUE];
2197
- }
2198
-
2199
- // at this point, we're subtracting a number with m.length + 1 digits from another number with m.length + 1 digits
2200
- $result = $this->_subtract($result, false, $temp[MATH_BIGINTEGER_VALUE], $temp[MATH_BIGINTEGER_SIGN]);
2201
- while ($this->_compare($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $n, false) > 0) {
2202
- $result = $this->_subtract($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $n, false);
2203
- }
2204
-
2205
- return $result[MATH_BIGINTEGER_VALUE];
2206
- }
2207
-
2208
- /**
2209
- * Performs long multiplication up to $stop digits
2210
- *
2211
- * If you're going to be doing array_slice($product->value, 0, $stop), some cycles can be saved.
2212
- *
2213
- * @see self::_regularBarrett()
2214
- * @param array $x_value
2215
- * @param bool $x_negative
2216
- * @param array $y_value
2217
- * @param bool $y_negative
2218
- * @param int $stop
2219
- * @return array
2220
- * @access private
2221
- */
2222
- function _multiplyLower($x_value, $x_negative, $y_value, $y_negative, $stop)
2223
- {
2224
- $x_length = count($x_value);
2225
- $y_length = count($y_value);
2226
-
2227
- if (!$x_length || !$y_length) { // a 0 is being multiplied
2228
- return array(
2229
- MATH_BIGINTEGER_VALUE => array(),
2230
- MATH_BIGINTEGER_SIGN => false
2231
- );
2232
- }
2233
-
2234
- if ($x_length < $y_length) {
2235
- $temp = $x_value;
2236
- $x_value = $y_value;
2237
- $y_value = $temp;
2238
-
2239
- $x_length = count($x_value);
2240
- $y_length = count($y_value);
2241
- }
2242
-
2243
- $product_value = $this->_array_repeat(0, $x_length + $y_length);
2244
-
2245
- // the following for loop could be removed if the for loop following it
2246
- // (the one with nested for loops) initially set $i to 0, but
2247
- // doing so would also make the result in one set of unnecessary adds,
2248
- // since on the outermost loops first pass, $product->value[$k] is going
2249
- // to always be 0
2250
-
2251
- $carry = 0;
2252
-
2253
- for ($j = 0; $j < $x_length; ++$j) { // ie. $i = 0, $k = $i
2254
- $temp = $x_value[$j] * $y_value[0] + $carry; // $product_value[$k] == 0
2255
- $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
2256
- $product_value[$j] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);
2257
- }
2258
-
2259
- if ($j < $stop) {
2260
- $product_value[$j] = $carry;
2261
- }
2262
-
2263
- // the above for loop is what the previous comment was talking about. the
2264
- // following for loop is the "one with nested for loops"
2265
-
2266
- for ($i = 1; $i < $y_length; ++$i) {
2267
- $carry = 0;
2268
-
2269
- for ($j = 0, $k = $i; $j < $x_length && $k < $stop; ++$j, ++$k) {
2270
- $temp = $product_value[$k] + $x_value[$j] * $y_value[$i] + $carry;
2271
- $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
2272
- $product_value[$k] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);
2273
- }
2274
-
2275
- if ($k < $stop) {
2276
- $product_value[$k] = $carry;
2277
- }
2278
- }
2279
-
2280
- return array(
2281
- MATH_BIGINTEGER_VALUE => $this->_trim($product_value),
2282
- MATH_BIGINTEGER_SIGN => $x_negative != $y_negative
2283
- );
2284
- }
2285
-
2286
- /**
2287
- * Montgomery Modular Reduction
2288
- *
2289
- * ($x->_prepMontgomery($n))->_montgomery($n) yields $x % $n.
2290
- * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=170 MPM 6.3} provides insights on how this can be
2291
- * improved upon (basically, by using the comba method). gcd($n, 2) must be equal to one for this function
2292
- * to work correctly.
2293
- *
2294
- * @see self::_prepMontgomery()
2295
- * @see self::_slidingWindow()
2296
- * @access private
2297
- * @param array $x
2298
- * @param array $n
2299
- * @return array
2300
- */
2301
- function _montgomery($x, $n)
2302
- {
2303
- static $cache = array(
2304
- MATH_BIGINTEGER_VARIABLE => array(),
2305
- MATH_BIGINTEGER_DATA => array()
2306
- );
2307
-
2308
- if (($key = array_search($n, $cache[MATH_BIGINTEGER_VARIABLE])) === false) {
2309
- $key = count($cache[MATH_BIGINTEGER_VARIABLE]);
2310
- $cache[MATH_BIGINTEGER_VARIABLE][] = $x;
2311
- $cache[MATH_BIGINTEGER_DATA][] = $this->_modInverse67108864($n);
2312
- }
2313
-
2314
- $k = count($n);
2315
-
2316
- $result = array(MATH_BIGINTEGER_VALUE => $x);
2317
-
2318
- for ($i = 0; $i < $k; ++$i) {
2319
- $temp = $result[MATH_BIGINTEGER_VALUE][$i] * $cache[MATH_BIGINTEGER_DATA][$key];
2320
- $temp = $temp - MATH_BIGINTEGER_BASE_FULL * (MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31));
2321
- $temp = $this->_regularMultiply(array($temp), $n);
2322
- $temp = array_merge($this->_array_repeat(0, $i), $temp);
2323
- $result = $this->_add($result[MATH_BIGINTEGER_VALUE], false, $temp, false);
2324
- }
2325
-
2326
- $result[MATH_BIGINTEGER_VALUE] = array_slice($result[MATH_BIGINTEGER_VALUE], $k);
2327
-
2328
- if ($this->_compare($result, false, $n, false) >= 0) {
2329
- $result = $this->_subtract($result[MATH_BIGINTEGER_VALUE], false, $n, false);
2330
- }
2331
-
2332
- return $result[MATH_BIGINTEGER_VALUE];
2333
- }
2334
-
2335
- /**
2336
- * Montgomery Multiply
2337
- *
2338
- * Interleaves the montgomery reduction and long multiplication algorithms together as described in
2339
- * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=13 HAC 14.36}
2340
- *
2341
- * @see self::_prepMontgomery()
2342
- * @see self::_montgomery()
2343
- * @access private
2344
- * @param array $x
2345
- * @param array $y
2346
- * @param array $m
2347
- * @return array
2348
- */
2349
- function _montgomeryMultiply($x, $y, $m)
2350
- {
2351
- $temp = $this->_multiply($x, false, $y, false);
2352
- return $this->_montgomery($temp[MATH_BIGINTEGER_VALUE], $m);
2353
-
2354
- // the following code, although not callable, can be run independently of the above code
2355
- // although the above code performed better in my benchmarks the following could might
2356
- // perform better under different circumstances. in lieu of deleting it it's just been
2357
- // made uncallable
2358
-
2359
- static $cache = array(
2360
- MATH_BIGINTEGER_VARIABLE => array(),
2361
- MATH_BIGINTEGER_DATA => array()
2362
- );
2363
-
2364
- if (($key = array_search($m, $cache[MATH_BIGINTEGER_VARIABLE])) === false) {
2365
- $key = count($cache[MATH_BIGINTEGER_VARIABLE]);
2366
- $cache[MATH_BIGINTEGER_VARIABLE][] = $m;
2367
- $cache[MATH_BIGINTEGER_DATA][] = $this->_modInverse67108864($m);
2368
- }
2369
-
2370
- $n = max(count($x), count($y), count($m));
2371
- $x = array_pad($x, $n, 0);
2372
- $y = array_pad($y, $n, 0);
2373
- $m = array_pad($m, $n, 0);
2374
- $a = array(MATH_BIGINTEGER_VALUE => $this->_array_repeat(0, $n + 1));
2375
- for ($i = 0; $i < $n; ++$i) {
2376
- $temp = $a[MATH_BIGINTEGER_VALUE][0] + $x[$i] * $y[0];
2377
- $temp = $temp - MATH_BIGINTEGER_BASE_FULL * (MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31));
2378
- $temp = $temp * $cache[MATH_BIGINTEGER_DATA][$key];
2379
- $temp = $temp - MATH_BIGINTEGER_BASE_FULL * (MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31));
2380
- $temp = $this->_add($this->_regularMultiply(array($x[$i]), $y), false, $this->_regularMultiply(array($temp), $m), false);
2381
- $a = $this->_add($a[MATH_BIGINTEGER_VALUE], false, $temp[MATH_BIGINTEGER_VALUE], false);
2382
- $a[MATH_BIGINTEGER_VALUE] = array_slice($a[MATH_BIGINTEGER_VALUE], 1);
2383
- }
2384
- if ($this->_compare($a[MATH_BIGINTEGER_VALUE], false, $m, false) >= 0) {
2385
- $a = $this->_subtract($a[MATH_BIGINTEGER_VALUE], false, $m, false);
2386
- }
2387
- return $a[MATH_BIGINTEGER_VALUE];
2388
- }
2389
-
2390
- /**
2391
- * Prepare a number for use in Montgomery Modular Reductions
2392
- *
2393
- * @see self::_montgomery()
2394
- * @see self::_slidingWindow()
2395
- * @access private
2396
- * @param array $x
2397
- * @param array $n
2398
- * @return array
2399
- */
2400
- function _prepMontgomery($x, $n)
2401
- {
2402
- $lhs = new Math_BigInteger();
2403
- $lhs->value = array_merge($this->_array_repeat(0, count($n)), $x);
2404
- $rhs = new Math_BigInteger();
2405
- $rhs->value = $n;
2406
-
2407
- list(, $temp) = $lhs->divide($rhs);
2408
- return $temp->value;
2409
- }
2410
-
2411
- /**
2412
- * Modular Inverse of a number mod 2**26 (eg. 67108864)
2413
- *
2414
- * Based off of the bnpInvDigit function implemented and justified in the following URL:
2415
- *
2416
- * {@link http://www-cs-students.stanford.edu/~tjw/jsbn/jsbn.js}
2417
- *
2418
- * The following URL provides more info:
2419
- *
2420
- * {@link http://groups.google.com/group/sci.crypt/msg/7a137205c1be7d85}
2421
- *
2422
- * As for why we do all the bitmasking... strange things can happen when converting from floats to ints. For
2423
- * instance, on some computers, var_dump((int) -4294967297) yields int(-1) and on others, it yields
2424
- * int(-2147483648). To avoid problems stemming from this, we use bitmasks to guarantee that ints aren't
2425
- * auto-converted to floats. The outermost bitmask is present because without it, there's no guarantee that
2426
- * the "residue" returned would be the so-called "common residue". We use fmod, in the last step, because the
2427
- * maximum possible $x is 26 bits and the maximum $result is 16 bits. Thus, we have to be able to handle up to
2428
- * 40 bits, which only 64-bit floating points will support.
2429
- *
2430
- * Thanks to Pedro Gimeno Fortea for input!
2431
- *
2432
- * @see self::_montgomery()
2433
- * @access private
2434
- * @param array $x
2435
- * @return int
2436
- */
2437
- function _modInverse67108864($x) // 2**26 == 67,108,864
2438
- {
2439
- $x = -$x[0];
2440
- $result = $x & 0x3; // x**-1 mod 2**2
2441
- $result = ($result * (2 - $x * $result)) & 0xF; // x**-1 mod 2**4
2442
- $result = ($result * (2 - ($x & 0xFF) * $result)) & 0xFF; // x**-1 mod 2**8
2443
- $result = ($result * ((2 - ($x & 0xFFFF) * $result) & 0xFFFF)) & 0xFFFF; // x**-1 mod 2**16
2444
- $result = fmod($result * (2 - fmod($x * $result, MATH_BIGINTEGER_BASE_FULL)), MATH_BIGINTEGER_BASE_FULL); // x**-1 mod 2**26
2445
- return $result & MATH_BIGINTEGER_MAX_DIGIT;
2446
- }
2447
-
2448
- /**
2449
- * Calculates modular inverses.
2450
- *
2451
- * Say you have (30 mod 17 * x mod 17) mod 17 == 1. x can be found using modular inverses.
2452
- *
2453
- * Here's an example:
2454
- * <code>
2455
- * <?php
2456
- * include 'Math/BigInteger.php';
2457
- *
2458
- * $a = new Math_BigInteger(30);
2459
- * $b = new Math_BigInteger(17);
2460
- *
2461
- * $c = $a->modInverse($b);
2462
- * echo $c->toString(); // outputs 4
2463
- *
2464
- * echo "\r\n";
2465
- *
2466
- * $d = $a->multiply($c);
2467
- * list(, $d) = $d->divide($b);
2468
- * echo $d; // outputs 1 (as per the definition of modular inverse)
2469
- * ?>
2470
- * </code>
2471
- *
2472
- * @param Math_BigInteger $n
2473
- * @return Math_BigInteger|false
2474
- * @access public
2475
- * @internal See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=21 HAC 14.64} for more information.
2476
- */
2477
- function modInverse($n)
2478
- {
2479
- switch (MATH_BIGINTEGER_MODE) {
2480
- case MATH_BIGINTEGER_MODE_GMP:
2481
- $temp = new Math_BigInteger();
2482
- $temp->value = gmp_invert($this->value, $n->value);
2483
-
2484
- return ($temp->value === false) ? false : $this->_normalize($temp);
2485
- }
2486
-
2487
- static $zero, $one;
2488
- if (!isset($zero)) {
2489
- $zero = new Math_BigInteger();
2490
- $one = new Math_BigInteger(1);
2491
- }
2492
-
2493
- // $x mod -$n == $x mod $n.
2494
- $n = $n->abs();
2495
-
2496
- if ($this->compare($zero) < 0) {
2497
- $temp = $this->abs();
2498
- $temp = $temp->modInverse($n);
2499
- return $this->_normalize($n->subtract($temp));
2500
- }
2501
-
2502
- extract($this->extendedGCD($n));
2503
-
2504
- if (!$gcd->equals($one)) {
2505
- return false;
2506
- }
2507
-
2508
- $x = $x->compare($zero) < 0 ? $x->add($n) : $x;
2509
-
2510
- return $this->compare($zero) < 0 ? $this->_normalize($n->subtract($x)) : $this->_normalize($x);
2511
- }
2512
-
2513
- /**
2514
- * Calculates the greatest common divisor and Bezout's identity.
2515
- *
2516
- * Say you have 693 and 609. The GCD is 21. Bezout's identity states that there exist integers x and y such that
2517
- * 693*x + 609*y == 21. In point of fact, there are actually an infinite number of x and y combinations and which
2518
- * combination is returned is dependent upon which mode is in use. See
2519
- * {@link http://en.wikipedia.org/wiki/B%C3%A9zout%27s_identity Bezout's identity - Wikipedia} for more information.
2520
- *
2521
- * Here's an example:
2522
- * <code>
2523
- * <?php
2524
- * include 'Math/BigInteger.php';
2525
- *
2526
- * $a = new Math_BigInteger(693);
2527
- * $b = new Math_BigInteger(609);
2528
- *
2529
- * extract($a->extendedGCD($b));
2530
- *
2531
- * echo $gcd->toString() . "\r\n"; // outputs 21
2532
- * echo $a->toString() * $x->toString() + $b->toString() * $y->toString(); // outputs 21
2533
- * ?>
2534
- * </code>
2535
- *
2536
- * @param Math_BigInteger $n
2537
- * @return Math_BigInteger
2538
- * @access public
2539
- * @internal Calculates the GCD using the binary xGCD algorithim described in
2540
- * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=19 HAC 14.61}. As the text above 14.61 notes,
2541
- * the more traditional algorithim requires "relatively costly multiple-precision divisions".
2542
- */
2543
- function extendedGCD($n)
2544
- {
2545
- switch (MATH_BIGINTEGER_MODE) {
2546
- case MATH_BIGINTEGER_MODE_GMP:
2547
- extract(gmp_gcdext($this->value, $n->value));
2548
-
2549
- return array(
2550
- 'gcd' => $this->_normalize(new Math_BigInteger($g)),
2551
- 'x' => $this->_normalize(new Math_BigInteger($s)),
2552
- 'y' => $this->_normalize(new Math_BigInteger($t))
2553
- );
2554
- case MATH_BIGINTEGER_MODE_BCMATH:
2555
- // it might be faster to use the binary xGCD algorithim here, as well, but (1) that algorithim works
2556
- // best when the base is a power of 2 and (2) i don't think it'd make much difference, anyway. as is,
2557
- // the basic extended euclidean algorithim is what we're using.
2558
-
2559
- $u = $this->value;
2560
- $v = $n->value;
2561
-
2562
- $a = '1';
2563
- $b = '0';
2564
- $c = '0';
2565
- $d = '1';
2566
-
2567
- while (bccomp($v, '0', 0) != 0) {
2568
- $q = bcdiv($u, $v, 0);
2569
-
2570
- $temp = $u;
2571
- $u = $v;
2572
- $v = bcsub($temp, bcmul($v, $q, 0), 0);
2573
-
2574
- $temp = $a;
2575
- $a = $c;
2576
- $c = bcsub($temp, bcmul($a, $q, 0), 0);
2577
-
2578
- $temp = $b;
2579
- $b = $d;
2580
- $d = bcsub($temp, bcmul($b, $q, 0), 0);
2581
- }
2582
-
2583
- return array(
2584
- 'gcd' => $this->_normalize(new Math_BigInteger($u)),
2585
- 'x' => $this->_normalize(new Math_BigInteger($a)),
2586
- 'y' => $this->_normalize(new Math_BigInteger($b))
2587
- );
2588
- }
2589
-
2590
- $y = $n->copy();
2591
- $x = $this->copy();
2592
- $g = new Math_BigInteger();
2593
- $g->value = array(1);
2594
-
2595
- while (!(($x->value[0] & 1)|| ($y->value[0] & 1))) {
2596
- $x->_rshift(1);
2597
- $y->_rshift(1);
2598
- $g->_lshift(1);
2599
- }
2600
-
2601
- $u = $x->copy();
2602
- $v = $y->copy();
2603
-
2604
- $a = new Math_BigInteger();
2605
- $b = new Math_BigInteger();
2606
- $c = new Math_BigInteger();
2607
- $d = new Math_BigInteger();
2608
-
2609
- $a->value = $d->value = $g->value = array(1);
2610
- $b->value = $c->value = array();
2611
-
2612
- while (!empty($u->value)) {
2613
- while (!($u->value[0] & 1)) {
2614
- $u->_rshift(1);
2615
- if ((!empty($a->value) && ($a->value[0] & 1)) || (!empty($b->value) && ($b->value[0] & 1))) {
2616
- $a = $a->add($y);
2617
- $b = $b->subtract($x);
2618
- }
2619
- $a->_rshift(1);
2620
- $b->_rshift(1);
2621
- }
2622
-
2623
- while (!($v->value[0] & 1)) {
2624
- $v->_rshift(1);
2625
- if ((!empty($d->value) && ($d->value[0] & 1)) || (!empty($c->value) && ($c->value[0] & 1))) {
2626
- $c = $c->add($y);
2627
- $d = $d->subtract($x);
2628
- }
2629
- $c->_rshift(1);
2630
- $d->_rshift(1);
2631
- }
2632
-
2633
- if ($u->compare($v) >= 0) {
2634
- $u = $u->subtract($v);
2635
- $a = $a->subtract($c);
2636
- $b = $b->subtract($d);
2637
- } else {
2638
- $v = $v->subtract($u);
2639
- $c = $c->subtract($a);
2640
- $d = $d->subtract($b);
2641
- }
2642
- }
2643
-
2644
- return array(
2645
- 'gcd' => $this->_normalize($g->multiply($v)),
2646
- 'x' => $this->_normalize($c),
2647
- 'y' => $this->_normalize($d)
2648
- );
2649
- }
2650
-
2651
- /**
2652
- * Calculates the greatest common divisor
2653
- *
2654
- * Say you have 693 and 609. The GCD is 21.
2655
- *
2656
- * Here's an example:
2657
- * <code>
2658
- * <?php
2659
- * include 'Math/BigInteger.php';
2660
- *
2661
- * $a = new Math_BigInteger(693);
2662
- * $b = new Math_BigInteger(609);
2663
- *
2664
- * $gcd = a->extendedGCD($b);
2665
- *
2666
- * echo $gcd->toString() . "\r\n"; // outputs 21
2667
- * ?>
2668
- * </code>
2669
- *
2670
- * @param Math_BigInteger $n
2671
- * @return Math_BigInteger
2672
- * @access public
2673
- */
2674
- function gcd($n)
2675
- {
2676
- extract($this->extendedGCD($n));
2677
- return $gcd;
2678
- }
2679
-
2680
- /**
2681
- * Absolute value.
2682
- *
2683
- * @return Math_BigInteger
2684
- * @access public
2685
- */
2686
- function abs()
2687
- {
2688
- $temp = new Math_BigInteger();
2689
-
2690
- switch (MATH_BIGINTEGER_MODE) {
2691
- case MATH_BIGINTEGER_MODE_GMP:
2692
- $temp->value = gmp_abs($this->value);
2693
- break;
2694
- case MATH_BIGINTEGER_MODE_BCMATH:
2695
- $temp->value = (bccomp($this->value, '0', 0) < 0) ? substr($this->value, 1) : $this->value;
2696
- break;
2697
- default:
2698
- $temp->value = $this->value;
2699
- }
2700
-
2701
- return $temp;
2702
- }
2703
-
2704
- /**
2705
- * Compares two numbers.
2706
- *
2707
- * Although one might think !$x->compare($y) means $x != $y, it, in fact, means the opposite. The reason for this is
2708
- * demonstrated thusly:
2709
- *
2710
- * $x > $y: $x->compare($y) > 0
2711
- * $x < $y: $x->compare($y) < 0
2712
- * $x == $y: $x->compare($y) == 0
2713
- *
2714
- * Note how the same comparison operator is used. If you want to test for equality, use $x->equals($y).
2715
- *
2716
- * @param Math_BigInteger $y
2717
- * @return int < 0 if $this is less than $y; > 0 if $this is greater than $y, and 0 if they are equal.
2718
- * @access public
2719
- * @see self::equals()
2720
- * @internal Could return $this->subtract($x), but that's not as fast as what we do do.
2721
- */
2722
- function compare($y)
2723
- {
2724
- switch (MATH_BIGINTEGER_MODE) {
2725
- case MATH_BIGINTEGER_MODE_GMP:
2726
- return gmp_cmp($this->value, $y->value);
2727
- case MATH_BIGINTEGER_MODE_BCMATH:
2728
- return bccomp($this->value, $y->value, 0);
2729
- }
2730
-
2731
- return $this->_compare($this->value, $this->is_negative, $y->value, $y->is_negative);
2732
- }
2733
-
2734
- /**
2735
- * Compares two numbers.
2736
- *
2737
- * @param array $x_value
2738
- * @param bool $x_negative
2739
- * @param array $y_value
2740
- * @param bool $y_negative
2741
- * @return int
2742
- * @see self::compare()
2743
- * @access private
2744
- */
2745
- function _compare($x_value, $x_negative, $y_value, $y_negative)
2746
- {
2747
- if ($x_negative != $y_negative) {
2748
- return (!$x_negative && $y_negative) ? 1 : -1;
2749
- }
2750
-
2751
- $result = $x_negative ? -1 : 1;
2752
-
2753
- if (count($x_value) != count($y_value)) {
2754
- return (count($x_value) > count($y_value)) ? $result : -$result;
2755
- }
2756
- $size = max(count($x_value), count($y_value));
2757
-
2758
- $x_value = array_pad($x_value, $size, 0);
2759
- $y_value = array_pad($y_value, $size, 0);
2760
-
2761
- for ($i = count($x_value) - 1; $i >= 0; --$i) {
2762
- if ($x_value[$i] != $y_value[$i]) {
2763
- return ($x_value[$i] > $y_value[$i]) ? $result : -$result;
2764
- }
2765
- }
2766
-
2767
- return 0;
2768
- }
2769
-
2770
- /**
2771
- * Tests the equality of two numbers.
2772
- *
2773
- * If you need to see if one number is greater than or less than another number, use Math_BigInteger::compare()
2774
- *
2775
- * @param Math_BigInteger $x
2776
- * @return bool
2777
- * @access public
2778
- * @see self::compare()
2779
- */
2780
- function equals($x)
2781
- {
2782
- switch (MATH_BIGINTEGER_MODE) {
2783
- case MATH_BIGINTEGER_MODE_GMP:
2784
- return gmp_cmp($this->value, $x->value) == 0;
2785
- default:
2786
- return $this->value === $x->value && $this->is_negative == $x->is_negative;
2787
- }
2788
- }
2789
-
2790
- /**
2791
- * Set Precision
2792
- *
2793
- * Some bitwise operations give different results depending on the precision being used. Examples include left
2794
- * shift, not, and rotates.
2795
- *
2796
- * @param int $bits
2797
- * @access public
2798
- */
2799
- function setPrecision($bits)
2800
- {
2801
- $this->precision = $bits;
2802
- if (MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_BCMATH) {
2803
- $this->bitmask = new Math_BigInteger(chr((1 << ($bits & 0x7)) - 1) . str_repeat(chr(0xFF), $bits >> 3), 256);
2804
- } else {
2805
- $this->bitmask = new Math_BigInteger(bcpow('2', $bits, 0));
2806
- }
2807
-
2808
- $temp = $this->_normalize($this);
2809
- $this->value = $temp->value;
2810
- }
2811
-
2812
- /**
2813
- * Logical And
2814
- *
2815
- * @param Math_BigInteger $x
2816
- * @access public
2817
- * @internal Implemented per a request by Lluis Pamies i Juarez <lluis _a_ pamies.cat>
2818
- * @return Math_BigInteger
2819
- */
2820
- function bitwise_and($x)
2821
- {
2822
- switch (MATH_BIGINTEGER_MODE) {
2823
- case MATH_BIGINTEGER_MODE_GMP:
2824
- $temp = new Math_BigInteger();
2825
- $temp->value = gmp_and($this->value, $x->value);
2826
-
2827
- return $this->_normalize($temp);
2828
- case MATH_BIGINTEGER_MODE_BCMATH:
2829
- $left = $this->toBytes();
2830
- $right = $x->toBytes();
2831
-
2832
- $length = max(strlen($left), strlen($right));
2833
-
2834
- $left = str_pad($left, $length, chr(0), STR_PAD_LEFT);
2835
- $right = str_pad($right, $length, chr(0), STR_PAD_LEFT);
2836
-
2837
- return $this->_normalize(new Math_BigInteger($left & $right, 256));
2838
- }
2839
-
2840
- $result = $this->copy();
2841
-
2842
- $length = min(count($x->value), count($this->value));
2843
-
2844
- $result->value = array_slice($result->value, 0, $length);
2845
-
2846
- for ($i = 0; $i < $length; ++$i) {
2847
- $result->value[$i]&= $x->value[$i];
2848
- }
2849
-
2850
- return $this->_normalize($result);
2851
- }
2852
-
2853
- /**
2854
- * Logical Or
2855
- *
2856
- * @param Math_BigInteger $x
2857
- * @access public
2858
- * @internal Implemented per a request by Lluis Pamies i Juarez <lluis _a_ pamies.cat>
2859
- * @return Math_BigInteger
2860
- */
2861
- function bitwise_or($x)
2862
- {
2863
- switch (MATH_BIGINTEGER_MODE) {
2864
- case MATH_BIGINTEGER_MODE_GMP:
2865
- $temp = new Math_BigInteger();
2866
- $temp->value = gmp_or($this->value, $x->value);
2867
-
2868
- return $this->_normalize($temp);
2869
- case MATH_BIGINTEGER_MODE_BCMATH:
2870
- $left = $this->toBytes();
2871
- $right = $x->toBytes();
2872
-
2873
- $length = max(strlen($left), strlen($right));
2874
-
2875
- $left = str_pad($left, $length, chr(0), STR_PAD_LEFT);
2876
- $right = str_pad($right, $length, chr(0), STR_PAD_LEFT);
2877
-
2878
- return $this->_normalize(new Math_BigInteger($left | $right, 256));
2879
- }
2880
-
2881
- $length = max(count($this->value), count($x->value));
2882
- $result = $this->copy();
2883
- $result->value = array_pad($result->value, $length, 0);
2884
- $x->value = array_pad($x->value, $length, 0);
2885
-
2886
- for ($i = 0; $i < $length; ++$i) {
2887
- $result->value[$i]|= $x->value[$i];
2888
- }
2889
-
2890
- return $this->_normalize($result);
2891
- }
2892
-
2893
- /**
2894
- * Logical Exclusive-Or
2895
- *
2896
- * @param Math_BigInteger $x
2897
- * @access public
2898
- * @internal Implemented per a request by Lluis Pamies i Juarez <lluis _a_ pamies.cat>
2899
- * @return Math_BigInteger
2900
- */
2901
- function bitwise_xor($x)
2902
- {
2903
- switch (MATH_BIGINTEGER_MODE) {
2904
- case MATH_BIGINTEGER_MODE_GMP:
2905
- $temp = new Math_BigInteger();
2906
- $temp->value = gmp_xor($this->value, $x->value);
2907
-
2908
- return $this->_normalize($temp);
2909
- case MATH_BIGINTEGER_MODE_BCMATH:
2910
- $left = $this->toBytes();
2911
- $right = $x->toBytes();
2912
-
2913
- $length = max(strlen($left), strlen($right));
2914
-
2915
- $left = str_pad($left, $length, chr(0), STR_PAD_LEFT);
2916
- $right = str_pad($right, $length, chr(0), STR_PAD_LEFT);
2917
-
2918
- return $this->_normalize(new Math_BigInteger($left ^ $right, 256));
2919
- }
2920
-
2921
- $length = max(count($this->value), count($x->value));
2922
- $result = $this->copy();
2923
- $result->value = array_pad($result->value, $length, 0);
2924
- $x->value = array_pad($x->value, $length, 0);
2925
-
2926
- for ($i = 0; $i < $length; ++$i) {
2927
- $result->value[$i]^= $x->value[$i];
2928
- }
2929
-
2930
- return $this->_normalize($result);
2931
- }
2932
-
2933
- /**
2934
- * Logical Not
2935
- *
2936
- * @access public
2937
- * @internal Implemented per a request by Lluis Pamies i Juarez <lluis _a_ pamies.cat>
2938
- * @return Math_BigInteger
2939
- */
2940
- function bitwise_not()
2941
- {
2942
- // calculuate "not" without regard to $this->precision
2943
- // (will always result in a smaller number. ie. ~1 isn't 1111 1110 - it's 0)
2944
- $temp = $this->toBytes();
2945
- if ($temp == '') {
2946
- return '';
2947
- }
2948
- $pre_msb = decbin(ord($temp[0]));
2949
- $temp = ~$temp;
2950
- $msb = decbin(ord($temp[0]));
2951
- if (strlen($msb) == 8) {
2952
- $msb = substr($msb, strpos($msb, '0'));
2953
- }
2954
- $temp[0] = chr(bindec($msb));
2955
-
2956
- // see if we need to add extra leading 1's
2957
- $current_bits = strlen($pre_msb) + 8 * strlen($temp) - 8;
2958
- $new_bits = $this->precision - $current_bits;
2959
- if ($new_bits <= 0) {
2960
- return $this->_normalize(new Math_BigInteger($temp, 256));
2961
- }
2962
-
2963
- // generate as many leading 1's as we need to.
2964
- $leading_ones = chr((1 << ($new_bits & 0x7)) - 1) . str_repeat(chr(0xFF), $new_bits >> 3);
2965
- $this->_base256_lshift($leading_ones, $current_bits);
2966
-
2967
- $temp = str_pad($temp, strlen($leading_ones), chr(0), STR_PAD_LEFT);
2968
-
2969
- return $this->_normalize(new Math_BigInteger($leading_ones | $temp, 256));
2970
- }
2971
-
2972
- /**
2973
- * Logical Right Shift
2974
- *
2975
- * Shifts BigInteger's by $shift bits, effectively dividing by 2**$shift.
2976
- *
2977
- * @param int $shift
2978
- * @return Math_BigInteger
2979
- * @access public
2980
- * @internal The only version that yields any speed increases is the internal version.
2981
- */
2982
- function bitwise_rightShift($shift)
2983
- {
2984
- $temp = new Math_BigInteger();
2985
-
2986
- switch (MATH_BIGINTEGER_MODE) {
2987
- case MATH_BIGINTEGER_MODE_GMP:
2988
- static $two;
2989
-
2990
- if (!isset($two)) {
2991
- $two = gmp_init('2');
2992
- }
2993
-
2994
- $temp->value = gmp_div_q($this->value, gmp_pow($two, $shift));
2995
-
2996
- break;
2997
- case MATH_BIGINTEGER_MODE_BCMATH:
2998
- $temp->value = bcdiv($this->value, bcpow('2', $shift, 0), 0);
2999
-
3000
- break;
3001
- default: // could just replace _lshift with this, but then all _lshift() calls would need to be rewritten
3002
- // and I don't want to do that...
3003
- $temp->value = $this->value;
3004
- $temp->_rshift($shift);
3005
- }
3006
-
3007
- return $this->_normalize($temp);
3008
- }
3009
-
3010
- /**
3011
- * Logical Left Shift
3012
- *
3013
- * Shifts BigInteger's by $shift bits, effectively multiplying by 2**$shift.
3014
- *
3015
- * @param int $shift
3016
- * @return Math_BigInteger
3017
- * @access public
3018
- * @internal The only version that yields any speed increases is the internal version.
3019
- */
3020
- function bitwise_leftShift($shift)
3021
- {
3022
- $temp = new Math_BigInteger();
3023
-
3024
- switch (MATH_BIGINTEGER_MODE) {
3025
- case MATH_BIGINTEGER_MODE_GMP:
3026
- static $two;
3027
-
3028
- if (!isset($two)) {
3029
- $two = gmp_init('2');
3030
- }
3031
-
3032
- $temp->value = gmp_mul($this->value, gmp_pow($two, $shift));
3033
-
3034
- break;
3035
- case MATH_BIGINTEGER_MODE_BCMATH:
3036
- $temp->value = bcmul($this->value, bcpow('2', $shift, 0), 0);
3037
-
3038
- break;
3039
- default: // could just replace _rshift with this, but then all _lshift() calls would need to be rewritten
3040
- // and I don't want to do that...
3041
- $temp->value = $this->value;
3042
- $temp->_lshift($shift);
3043
- }
3044
-
3045
- return $this->_normalize($temp);
3046
- }
3047
-
3048
- /**
3049
- * Logical Left Rotate
3050
- *
3051
- * Instead of the top x bits being dropped they're appended to the shifted bit string.
3052
- *
3053
- * @param int $shift
3054
- * @return Math_BigInteger
3055
- * @access public
3056
- */
3057
- function bitwise_leftRotate($shift)
3058
- {
3059
- $bits = $this->toBytes();
3060
-
3061
- if ($this->precision > 0) {
3062
- $precision = $this->precision;
3063
- if (MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_BCMATH) {
3064
- $mask = $this->bitmask->subtract(new Math_BigInteger(1));
3065
- $mask = $mask->toBytes();
3066
- } else {
3067
- $mask = $this->bitmask->toBytes();
3068
- }
3069
- } else {
3070
- $temp = ord($bits[0]);
3071
- for ($i = 0; $temp >> $i; ++$i) {
3072
- }
3073
- $precision = 8 * strlen($bits) - 8 + $i;
3074
- $mask = chr((1 << ($precision & 0x7)) - 1) . str_repeat(chr(0xFF), $precision >> 3);
3075
- }
3076
-
3077
- if ($shift < 0) {
3078
- $shift+= $precision;
3079
- }
3080
- $shift%= $precision;
3081
-
3082
- if (!$shift) {
3083
- return $this->copy();
3084
- }
3085
-
3086
- $left = $this->bitwise_leftShift($shift);
3087
- $left = $left->bitwise_and(new Math_BigInteger($mask, 256));
3088
- $right = $this->bitwise_rightShift($precision - $shift);
3089
- $result = MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_BCMATH ? $left->bitwise_or($right) : $left->add($right);
3090
- return $this->_normalize($result);
3091
- }
3092
-
3093
- /**
3094
- * Logical Right Rotate
3095
- *
3096
- * Instead of the bottom x bits being dropped they're prepended to the shifted bit string.
3097
- *
3098
- * @param int $shift
3099
- * @return Math_BigInteger
3100
- * @access public
3101
- */
3102
- function bitwise_rightRotate($shift)
3103
- {
3104
- return $this->bitwise_leftRotate(-$shift);
3105
- }
3106
-
3107
- /**
3108
- * Set random number generator function
3109
- *
3110
- * This function is deprecated.
3111
- *
3112
- * @param string $generator
3113
- * @access public
3114
- */
3115
- function setRandomGenerator($generator)
3116
- {
3117
- }
3118
-
3119
- /**
3120
- * Generates a random BigInteger
3121
- *
3122
- * Byte length is equal to $length. Uses crypt_random if it's loaded and mt_rand if it's not.
3123
- *
3124
- * @param int $length
3125
- * @return Math_BigInteger
3126
- * @access private
3127
- */
3128
- function _random_number_helper($size)
3129
- {
3130
- if (function_exists('crypt_random_string')) {
3131
- $random = crypt_random_string($size);
3132
- } else {
3133
- $random = '';
3134
-
3135
- if ($size & 1) {
3136
- $random.= chr(mt_rand(0, 255));
3137
- }
3138
-
3139
- $blocks = $size >> 1;
3140
- for ($i = 0; $i < $blocks; ++$i) {
3141
- // mt_rand(-2147483648, 0x7FFFFFFF) always produces -2147483648 on some systems
3142
- $random.= pack('n', mt_rand(0, 0xFFFF));
3143
- }
3144
- }
3145
-
3146
- return new Math_BigInteger($random, 256);
3147
- }
3148
-
3149
- /**
3150
- * Generate a random number
3151
- *
3152
- * Returns a random number between $min and $max where $min and $max
3153
- * can be defined using one of the two methods:
3154
- *
3155
- * $min->random($max)
3156
- * $max->random($min)
3157
- *
3158
- * @param Math_BigInteger $arg1
3159
- * @param Math_BigInteger $arg2
3160
- * @return Math_BigInteger
3161
- * @access public
3162
- * @internal The API for creating random numbers used to be $a->random($min, $max), where $a was a Math_BigInteger object.
3163
- * That method is still supported for BC purposes.
3164
- */
3165
- function random($arg1, $arg2 = false)
3166
- {
3167
- if ($arg1 === false) {
3168
- return false;
3169
- }
3170
-
3171
- if ($arg2 === false) {
3172
- $max = $arg1;
3173
- $min = $this;
3174
- } else {
3175
- $min = $arg1;
3176
- $max = $arg2;
3177
- }
3178
-
3179
- $compare = $max->compare($min);
3180
-
3181
- if (!$compare) {
3182
- return $this->_normalize($min);
3183
- } elseif ($compare < 0) {
3184
- // if $min is bigger then $max, swap $min and $max
3185
- $temp = $max;
3186
- $max = $min;
3187
- $min = $temp;
3188
- }
3189
-
3190
- static $one;
3191
- if (!isset($one)) {
3192
- $one = new Math_BigInteger(1);
3193
- }
3194
-
3195
- $max = $max->subtract($min->subtract($one));
3196
- $size = strlen(ltrim($max->toBytes(), chr(0)));
3197
-
3198
- /*
3199
- doing $random % $max doesn't work because some numbers will be more likely to occur than others.
3200
- eg. if $max is 140 and $random's max is 255 then that'd mean both $random = 5 and $random = 145
3201
- would produce 5 whereas the only value of random that could produce 139 would be 139. ie.
3202
- not all numbers would be equally likely. some would be more likely than others.
3203
-
3204
- creating a whole new random number until you find one that is within the range doesn't work
3205
- because, for sufficiently small ranges, the likelihood that you'd get a number within that range
3206
- would be pretty small. eg. with $random's max being 255 and if your $max being 1 the probability
3207
- would be pretty high that $random would be greater than $max.
3208
-
3209
- phpseclib works around this using the technique described here:
3210
-
3211
- http://crypto.stackexchange.com/questions/5708/creating-a-small-number-from-a-cryptographically-secure-random-string
3212
- */
3213
- $random_max = new Math_BigInteger(chr(1) . str_repeat("\0", $size), 256);
3214
- $random = $this->_random_number_helper($size);
3215
-
3216
- list($max_multiple) = $random_max->divide($max);
3217
- $max_multiple = $max_multiple->multiply($max);
3218
-
3219
- while ($random->compare($max_multiple) >= 0) {
3220
- $random = $random->subtract($max_multiple);
3221
- $random_max = $random_max->subtract($max_multiple);
3222
- $random = $random->bitwise_leftShift(8);
3223
- $random = $random->add($this->_random_number_helper(1));
3224
- $random_max = $random_max->bitwise_leftShift(8);
3225
- list($max_multiple) = $random_max->divide($max);
3226
- $max_multiple = $max_multiple->multiply($max);
3227
- }
3228
- list(, $random) = $random->divide($max);
3229
-
3230
- return $this->_normalize($random->add($min));
3231
- }
3232
-
3233
- /**
3234
- * Generate a random prime number.
3235
- *
3236
- * If there's not a prime within the given range, false will be returned.
3237
- * If more than $timeout seconds have elapsed, give up and return false.
3238
- *
3239
- * @param Math_BigInteger $arg1
3240
- * @param Math_BigInteger $arg2
3241
- * @param int $timeout
3242
- * @return Math_BigInteger|false
3243
- * @access public
3244
- * @internal See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap4.pdf#page=15 HAC 4.44}.
3245
- */
3246
- function randomPrime($arg1, $arg2 = false, $timeout = false)
3247
- {
3248
- if ($arg1 === false) {
3249
- return false;
3250
- }
3251
-
3252
- if ($arg2 === false) {
3253
- $max = $arg1;
3254
- $min = $this;
3255
- } else {
3256
- $min = $arg1;
3257
- $max = $arg2;
3258
- }
3259
-
3260
- $compare = $max->compare($min);
3261
-
3262
- if (!$compare) {
3263
- return $min->isPrime() ? $min : false;
3264
- } elseif ($compare < 0) {
3265
- // if $min is bigger then $max, swap $min and $max
3266
- $temp = $max;
3267
- $max = $min;
3268
- $min = $temp;
3269
- }
3270
-
3271
- static $one, $two;
3272
- if (!isset($one)) {
3273
- $one = new Math_BigInteger(1);
3274
- $two = new Math_BigInteger(2);
3275
- }
3276
-
3277
- $start = time();
3278
-
3279
- $x = $this->random($min, $max);
3280
-
3281
- // gmp_nextprime() requires PHP 5 >= 5.2.0 per <http://php.net/gmp-nextprime>.
3282
- if (MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_GMP && extension_loaded('gmp') && version_compare(PHP_VERSION, '5.2.0', '>=')) {
3283
- $p = new Math_BigInteger();
3284
- $p->value = gmp_nextprime($x->value);
3285
-
3286
- if ($p->compare($max) <= 0) {
3287
- return $p;
3288
- }
3289
-
3290
- if (!$min->equals($x)) {
3291
- $x = $x->subtract($one);
3292
- }
3293
-
3294
- return $x->randomPrime($min, $x);
3295
- }
3296
-
3297
- if ($x->equals($two)) {
3298
- return $x;
3299
- }
3300
-
3301
- $x->_make_odd();
3302
- if ($x->compare($max) > 0) {
3303
- // if $x > $max then $max is even and if $min == $max then no prime number exists between the specified range
3304
- if ($min->equals($max)) {
3305
- return false;
3306
- }
3307
- $x = $min->copy();
3308
- $x->_make_odd();
3309
- }
3310
-
3311
- $initial_x = $x->copy();
3312
-
3313
- while (true) {
3314
- if ($timeout !== false && time() - $start > $timeout) {
3315
- return false;
3316
- }
3317
-
3318
- if ($x->isPrime()) {
3319
- return $x;
3320
- }
3321
-
3322
- $x = $x->add($two);
3323
-
3324
- if ($x->compare($max) > 0) {
3325
- $x = $min->copy();
3326
- if ($x->equals($two)) {
3327
- return $x;
3328
- }
3329
- $x->_make_odd();
3330
- }
3331
-
3332
- if ($x->equals($initial_x)) {
3333
- return false;
3334
- }
3335
- }
3336
- }
3337
-
3338
- /**
3339
- * Make the current number odd
3340
- *
3341
- * If the current number is odd it'll be unchanged. If it's even, one will be added to it.
3342
- *
3343
- * @see self::randomPrime()
3344
- * @access private
3345
- */
3346
- function _make_odd()
3347
- {
3348
- switch (MATH_BIGINTEGER_MODE) {
3349
- case MATH_BIGINTEGER_MODE_GMP:
3350
- gmp_setbit($this->value, 0);
3351
- break;
3352
- case MATH_BIGINTEGER_MODE_BCMATH:
3353
- if ($this->value[strlen($this->value) - 1] % 2 == 0) {
3354
- $this->value = bcadd($this->value, '1');
3355
- }
3356
- break;
3357
- default:
3358
- $this->value[0] |= 1;
3359
- }
3360
- }
3361
-
3362
- /**
3363
- * Checks a numer to see if it's prime
3364
- *
3365
- * Assuming the $t parameter is not set, this function has an error rate of 2**-80. The main motivation for the
3366
- * $t parameter is distributability. Math_BigInteger::randomPrime() can be distributed across multiple pageloads
3367
- * on a website instead of just one.
3368
- *
3369
- * @param Math_BigInteger $t
3370
- * @return bool
3371
- * @access public
3372
- * @internal Uses the
3373
- * {@link http://en.wikipedia.org/wiki/Miller%E2%80%93Rabin_primality_test Miller-Rabin primality test}. See
3374
- * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap4.pdf#page=8 HAC 4.24}.
3375
- */
3376
- function isPrime($t = false)
3377
- {
3378
- $length = strlen($this->toBytes());
3379
-
3380
- if (!$t) {
3381
- // see HAC 4.49 "Note (controlling the error probability)"
3382
- // @codingStandardsIgnoreStart
3383
- if ($length >= 163) { $t = 2; } // floor(1300 / 8)
3384
- else if ($length >= 106) { $t = 3; } // floor( 850 / 8)
3385
- else if ($length >= 81 ) { $t = 4; } // floor( 650 / 8)
3386
- else if ($length >= 68 ) { $t = 5; } // floor( 550 / 8)
3387
- else if ($length >= 56 ) { $t = 6; } // floor( 450 / 8)
3388
- else if ($length >= 50 ) { $t = 7; } // floor( 400 / 8)
3389
- else if ($length >= 43 ) { $t = 8; } // floor( 350 / 8)
3390
- else if ($length >= 37 ) { $t = 9; } // floor( 300 / 8)
3391
- else if ($length >= 31 ) { $t = 12; } // floor( 250 / 8)
3392
- else if ($length >= 25 ) { $t = 15; } // floor( 200 / 8)
3393
- else if ($length >= 18 ) { $t = 18; } // floor( 150 / 8)
3394
- else { $t = 27; }
3395
- // @codingStandardsIgnoreEnd
3396
- }
3397
-
3398
- // ie. gmp_testbit($this, 0)
3399
- // ie. isEven() or !isOdd()
3400
- switch (MATH_BIGINTEGER_MODE) {
3401
- case MATH_BIGINTEGER_MODE_GMP:
3402
- return gmp_prob_prime($this->value, $t) != 0;
3403
- case MATH_BIGINTEGER_MODE_BCMATH:
3404
- if ($this->value === '2') {
3405
- return true;
3406
- }
3407
- if ($this->value[strlen($this->value) - 1] % 2 == 0) {
3408
- return false;
3409
- }
3410
- break;
3411
- default:
3412
- if ($this->value == array(2)) {
3413
- return true;
3414
- }
3415
- if (~$this->value[0] & 1) {
3416
- return false;
3417
- }
3418
- }
3419
-
3420
- static $primes, $zero, $one, $two;
3421
-
3422
- if (!isset($primes)) {
3423
- $primes = array(
3424
- 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59,
3425
- 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137,
3426
- 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227,
3427
- 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313,
3428
- 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419,
3429
- 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509,
3430
- 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617,
3431
- 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727,
3432
- 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829,
3433
- 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947,
3434
- 953, 967, 971, 977, 983, 991, 997
3435
- );
3436
-
3437
- if (MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_INTERNAL) {
3438
- for ($i = 0; $i < count($primes); ++$i) {
3439
- $primes[$i] = new Math_BigInteger($primes[$i]);
3440
- }
3441
- }
3442
-
3443
- $zero = new Math_BigInteger();
3444
- $one = new Math_BigInteger(1);
3445
- $two = new Math_BigInteger(2);
3446
- }
3447
-
3448
- if ($this->equals($one)) {
3449
- return false;
3450
- }
3451
-
3452
- // see HAC 4.4.1 "Random search for probable primes"
3453
- if (MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_INTERNAL) {
3454
- foreach ($primes as $prime) {
3455
- list(, $r) = $this->divide($prime);
3456
- if ($r->equals($zero)) {
3457
- return $this->equals($prime);
3458
- }
3459
- }
3460
- } else {
3461
- $value = $this->value;
3462
- foreach ($primes as $prime) {
3463
- list(, $r) = $this->_divide_digit($value, $prime);
3464
- if (!$r) {
3465
- return count($value) == 1 && $value[0] == $prime;
3466
- }
3467
- }
3468
- }
3469
-
3470
- $n = $this->copy();
3471
- $n_1 = $n->subtract($one);
3472
- $n_2 = $n->subtract($two);
3473
-
3474
- $r = $n_1->copy();
3475
- $r_value = $r->value;
3476
- // ie. $s = gmp_scan1($n, 0) and $r = gmp_div_q($n, gmp_pow(gmp_init('2'), $s));
3477
- if (MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_BCMATH) {
3478
- $s = 0;
3479
- // if $n was 1, $r would be 0 and this would be an infinite loop, hence our $this->equals($one) check earlier
3480
- while ($r->value[strlen($r->value) - 1] % 2 == 0) {
3481
- $r->value = bcdiv($r->value, '2', 0);
3482
- ++$s;
3483
- }
3484
- } else {
3485
- for ($i = 0, $r_length = count($r_value); $i < $r_length; ++$i) {
3486
- $temp = ~$r_value[$i] & 0xFFFFFF;
3487
- for ($j = 1; ($temp >> $j) & 1; ++$j) {
3488
- }
3489
- if ($j != 25) {
3490
- break;
3491
- }
3492
- }
3493
- $s = 26 * $i + $j - 1;
3494
- $r->_rshift($s);
3495
- }
3496
-
3497
- for ($i = 0; $i < $t; ++$i) {
3498
- $a = $this->random($two, $n_2);
3499
- $y = $a->modPow($r, $n);
3500
-
3501
- if (!$y->equals($one) && !$y->equals($n_1)) {
3502
- for ($j = 1; $j < $s && !$y->equals($n_1); ++$j) {
3503
- $y = $y->modPow($two, $n);
3504
- if ($y->equals($one)) {
3505
- return false;
3506
- }
3507
- }
3508
-
3509
- if (!$y->equals($n_1)) {
3510
- return false;
3511
- }
3512
- }
3513
- }
3514
- return true;
3515
- }
3516
-
3517
- /**
3518
- * Logical Left Shift
3519
- *
3520
- * Shifts BigInteger's by $shift bits.
3521
- *
3522
- * @param int $shift
3523
- * @access private
3524
- */
3525
- function _lshift($shift)
3526
- {
3527
- if ($shift == 0) {
3528
- return;
3529
- }
3530
-
3531
- $num_digits = (int) ($shift / MATH_BIGINTEGER_BASE);
3532
- $shift %= MATH_BIGINTEGER_BASE;
3533
- $shift = 1 << $shift;
3534
-
3535
- $carry = 0;
3536
-
3537
- for ($i = 0; $i < count($this->value); ++$i) {
3538
- $temp = $this->value[$i] * $shift + $carry;
3539
- $carry = MATH_BIGINTEGER_BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
3540
- $this->value[$i] = (int) ($temp - $carry * MATH_BIGINTEGER_BASE_FULL);
3541
- }
3542
-
3543
- if ($carry) {
3544
- $this->value[count($this->value)] = $carry;
3545
- }
3546
-
3547
- while ($num_digits--) {
3548
- array_unshift($this->value, 0);
3549
- }
3550
- }
3551
-
3552
- /**
3553
- * Logical Right Shift
3554
- *
3555
- * Shifts BigInteger's by $shift bits.
3556
- *
3557
- * @param int $shift
3558
- * @access private
3559
- */
3560
- function _rshift($shift)
3561
- {
3562
- if ($shift == 0) {
3563
- return;
3564
- }
3565
-
3566
- $num_digits = (int) ($shift / MATH_BIGINTEGER_BASE);
3567
- $shift %= MATH_BIGINTEGER_BASE;
3568
- $carry_shift = MATH_BIGINTEGER_BASE - $shift;
3569
- $carry_mask = (1 << $shift) - 1;
3570
-
3571
- if ($num_digits) {
3572
- $this->value = array_slice($this->value, $num_digits);
3573
- }
3574
-
3575
- $carry = 0;
3576
-
3577
- for ($i = count($this->value) - 1; $i >= 0; --$i) {
3578
- $temp = $this->value[$i] >> $shift | $carry;
3579
- $carry = ($this->value[$i] & $carry_mask) << $carry_shift;
3580
- $this->value[$i] = $temp;
3581
- }
3582
-
3583
- $this->value = $this->_trim($this->value);
3584
- }
3585
-
3586
- /**
3587
- * Normalize
3588
- *
3589
- * Removes leading zeros and truncates (if necessary) to maintain the appropriate precision
3590
- *
3591
- * @param Math_BigInteger
3592
- * @return Math_BigInteger
3593
- * @see self::_trim()
3594
- * @access private
3595
- */
3596
- function _normalize($result)
3597
- {
3598
- $result->precision = $this->precision;
3599
- $result->bitmask = $this->bitmask;
3600
-
3601
- switch (MATH_BIGINTEGER_MODE) {
3602
- case MATH_BIGINTEGER_MODE_GMP:
3603
- if ($this->bitmask !== false) {
3604
- $result->value = gmp_and($result->value, $result->bitmask->value);
3605
- }
3606
-
3607
- return $result;
3608
- case MATH_BIGINTEGER_MODE_BCMATH:
3609
- if (!empty($result->bitmask->value)) {
3610
- $result->value = bcmod($result->value, $result->bitmask->value);
3611
- }
3612
-
3613
- return $result;
3614
- }
3615
-
3616
- $value = &$result->value;
3617
-
3618
- if (!count($value)) {
3619
- return $result;
3620
- }
3621
-
3622
- $value = $this->_trim($value);
3623
-
3624
- if (!empty($result->bitmask->value)) {
3625
- $length = min(count($value), count($this->bitmask->value));
3626
- $value = array_slice($value, 0, $length);
3627
-
3628
- for ($i = 0; $i < $length; ++$i) {
3629
- $value[$i] = $value[$i] & $this->bitmask->value[$i];
3630
- }
3631
- }
3632
-
3633
- return $result;
3634
- }
3635
-
3636
- /**
3637
- * Trim
3638
- *
3639
- * Removes leading zeros
3640
- *
3641
- * @param array $value
3642
- * @return Math_BigInteger
3643
- * @access private
3644
- */
3645
- function _trim($value)
3646
- {
3647
- for ($i = count($value) - 1; $i >= 0; --$i) {
3648
- if ($value[$i]) {
3649
- break;
3650
- }
3651
- unset($value[$i]);
3652
- }
3653
-
3654
- return $value;
3655
- }
3656
-
3657
- /**
3658
- * Array Repeat
3659
- *
3660
- * @param $input Array
3661
- * @param $multiplier mixed
3662
- * @return array
3663
- * @access private
3664
- */
3665
- function _array_repeat($input, $multiplier)
3666
- {
3667
- return ($multiplier) ? array_fill(0, $multiplier, $input) : array();
3668
- }
3669
-
3670
- /**
3671
- * Logical Left Shift
3672
- *
3673
- * Shifts binary strings $shift bits, essentially multiplying by 2**$shift.
3674
- *
3675
- * @param $x String
3676
- * @param $shift Integer
3677
- * @return string
3678
- * @access private
3679
- */
3680
- function _base256_lshift(&$x, $shift)
3681
- {
3682
- if ($shift == 0) {
3683
- return;
3684
- }
3685
-
3686
- $num_bytes = $shift >> 3; // eg. floor($shift/8)
3687
- $shift &= 7; // eg. $shift % 8
3688
-
3689
- $carry = 0;
3690
- for ($i = strlen($x) - 1; $i >= 0; --$i) {
3691
- $temp = ord($x[$i]) << $shift | $carry;
3692
- $x[$i] = chr($temp);
3693
- $carry = $temp >> 8;
3694
- }
3695
- $carry = ($carry != 0) ? chr($carry) : '';
3696
- $x = $carry . $x . str_repeat(chr(0), $num_bytes);
3697
- }
3698
-
3699
- /**
3700
- * Logical Right Shift
3701
- *
3702
- * Shifts binary strings $shift bits, essentially dividing by 2**$shift and returning the remainder.
3703
- *
3704
- * @param $x String
3705
- * @param $shift Integer
3706
- * @return string
3707
- * @access private
3708
- */
3709
- function _base256_rshift(&$x, $shift)
3710
- {
3711
- if ($shift == 0) {
3712
- $x = ltrim($x, chr(0));
3713
- return '';
3714
- }
3715
-
3716
- $num_bytes = $shift >> 3; // eg. floor($shift/8)
3717
- $shift &= 7; // eg. $shift % 8
3718
-
3719
- $remainder = '';
3720
- if ($num_bytes) {
3721
- $start = $num_bytes > strlen($x) ? -strlen($x) : -$num_bytes;
3722
- $remainder = substr($x, $start);
3723
- $x = substr($x, 0, -$num_bytes);
3724
- }
3725
-
3726
- $carry = 0;
3727
- $carry_shift = 8 - $shift;
3728
- for ($i = 0; $i < strlen($x); ++$i) {
3729
- $temp = (ord($x[$i]) >> $shift) | $carry;
3730
- $carry = (ord($x[$i]) << $carry_shift) & 0xFF;
3731
- $x[$i] = chr($temp);
3732
- }
3733
- $x = ltrim($x, chr(0));
3734
-
3735
- $remainder = chr($carry >> $carry_shift) . $remainder;
3736
-
3737
- return ltrim($remainder, chr(0));
3738
- }
3739
-
3740
- // one quirk about how the following functions are implemented is that PHP defines N to be an unsigned long
3741
- // at 32-bits, while java's longs are 64-bits.
3742
-
3743
- /**
3744
- * Converts 32-bit integers to bytes.
3745
- *
3746
- * @param int $x
3747
- * @return string
3748
- * @access private
3749
- */
3750
- function _int2bytes($x)
3751
- {
3752
- return ltrim(pack('N', $x), chr(0));
3753
- }
3754
-
3755
- /**
3756
- * Converts bytes to 32-bit integers
3757
- *
3758
- * @param string $x
3759
- * @return int
3760
- * @access private
3761
- */
3762
- function _bytes2int($x)
3763
- {
3764
- $temp = unpack('Nint', str_pad($x, 4, chr(0), STR_PAD_LEFT));
3765
- return $temp['int'];
3766
- }
3767
-
3768
- /**
3769
- * DER-encode an integer
3770
- *
3771
- * The ability to DER-encode integers is needed to create RSA public keys for use with OpenSSL
3772
- *
3773
- * @see self::modPow()
3774
- * @access private
3775
- * @param int $length
3776
- * @return string
3777
- */
3778
- function _encodeASN1Length($length)
3779
- {
3780
- if ($length <= 0x7F) {
3781
- return chr($length);
3782
- }
3783
-
3784
- $temp = ltrim(pack('N', $length), chr(0));
3785
- return pack('Ca*', 0x80 | strlen($temp), $temp);
3786
- }
3787
-
3788
- /**
3789
- * Single digit division
3790
- *
3791
- * Even if int64 is being used the division operator will return a float64 value
3792
- * if the dividend is not evenly divisible by the divisor. Since a float64 doesn't
3793
- * have the precision of int64 this is a problem so, when int64 is being used,
3794
- * we'll guarantee that the dividend is divisible by first subtracting the remainder.
3795
- *
3796
- * @access private
3797
- * @param int $x
3798
- * @param int $y
3799
- * @return int
3800
- */
3801
- function _safe_divide($x, $y)
3802
- {
3803
- if (MATH_BIGINTEGER_BASE === 26) {
3804
- return (int) ($x / $y);
3805
- }
3806
-
3807
- // MATH_BIGINTEGER_BASE === 31
3808
- return ($x - ($x % $y)) / $y;
3809
- }
3810
- }
3811
- }
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
lib/vendor/servmask/archiver/class-ai1wm-archiver.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/vendor/servmask/archiver/class-ai1wm-compressor.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/vendor/servmask/archiver/class-ai1wm-extractor.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/vendor/servmask/command/class-ai1wm-wp-cli-command.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/vendor/servmask/cron/class-ai1wm-cron.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/vendor/servmask/database/class-ai1wm-database-mysql.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
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1
  <?php
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lib/vendor/servmask/iterator/class-ai1wm-recursive-iterator-iterator.php CHANGED
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1
  <?php
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ai1wm-fadein{0%{-webkit-transform:scale(0);transform:scale(0)}50%{-webkit-transform:scale(1.5);transform:scale(1.5)}to{-webkit-transform:scale(1);transform:scale(1)}}@keyframes ai1wm-fadein{0%{-webkit-transform:scale(0);transform:scale(0)}50%{-webkit-transform:scale(1.5);transform:scale(1.5)}to{-webkit-transform:scale(1);transform:scale(1)}}.ai1wm-accordion{margin:1em 0;display:block}.ai1wm-accordion h4{cursor:pointer;color:rgba(0,116,162,.8);margin:0}.ai1wm-accordion h4 small{color:#444;font-weight:400}.ai1wm-accordion h4 small:after,.ai1wm-container .ai1wm-row label:after{content:"\200E"}.ai1wm-accordion .ai1wm-icon-arrow-right{transition:transform .1s ease-out;transition:transform .1s ease-out,-webkit-transform .1s ease-out;display:inline-block}.ai1wm-accordion ul{margin:0;padding:0;list-style:none;visibility:hidden;height:0;transition:height .2s cubic-bezier(.19,1,.22,1)}.ai1wm-accordion h4 small,.ai1wm-accordion ul li small{display:inline;float:none;width:auto}.ai1wm-accordion.ai1wm-open h4 .ai1wm-icon-arrow-right{-webkit-transform:rotate(-90deg);transform:rotate(-90deg)}.ai1wm-accordion.ai1wm-open ul{height:auto;margin:.6em 2em 0 0;visibility:visible}.ai1wm-button-group{border:2px solid #27ae60;background-color:transparent;color:#27ae60;border-radius:5px;cursor:pointer;text-transform:uppercase;font-weight:600;transition:background-color .2s ease-out;display:inline-block;text-align:right}.ai1wm-button-group.ai1wm-button-export,.ai1wm-button-group.ai1wm-button-import{box-sizing:content-box}.ai1wm-button-group.ai1wm-button-export.ai1wm-open>.ai1wm-dropdown-menu{height:448px;border-top:1px solid #27ae60}.ai1wm-button-group.ai1wm-button-import.ai1wm-open>.ai1wm-dropdown-menu{height:476px;border-top:1px solid #27ae60}.ai1wm-button-group .ai1wm-button-main{position:relative;padding:6px 25px 6px 50px;box-sizing:content-box}.ai1wm-button-group .ai1wm-dropdown-menu{height:0;overflow:hidden;transition:height .2s cubic-bezier(.19,1,.22,1);border-top:none}.ai1wm-dropdown-menu{list-style:none}.ai1wm-dropdown-menu,.ai1wm-dropdown-menu li{margin:0!important;padding:0}.ai1wm-dropdown-menu li a,.ai1wm-dropdown-menu li a:visited{display:block;padding:5px 26px;text-decoration:none;color:#27ae60;text-align:right;box-sizing:content-box}.ai1wm-dropdown-menu li a:hover,.ai1wm-dropdown-menu li a:visited:hover{text-decoration:none;color:#111}.ai1mw-lines{position:absolute;width:12px;height:10px;top:9px;left:20px}.ai1wm-line{position:absolute;width:100%;height:2px;margin:auto;background:#27ae60;transition:all .2s ease-in-out}.ai1wm-line-first{top:0;right:0}div.ai1wm-open .ai1wm-line-first,div.ai1wm-open .ai1wm-line-third{top:50%}.ai1wm-line-second{top:50%;right:0}.ai1wm-line-third{top:100%;right:0}.ai1wm-button-blue,.ai1wm-button-gray,.ai1wm-button-green,.ai1wm-button-green-small,.ai1wm-button-red{display:inline-block;border:2px solid #95a5a6;background-color:transparent;color:#95a5a6;border-radius:5px;cursor:pointer;padding:5px 26px 5px 25px;text-transform:uppercase;font-weight:600;outline:0;transition:background-color .2s ease-out;text-decoration:none}.ai1wm-button-gray:hover{background-color:#95a5a6;color:#fff}.ai1wm-button-blue,.ai1wm-button-green,.ai1wm-button-green-small,.ai1wm-button-red{border:2px solid #27ae60;color:#27ae60}.ai1wm-button-green:hover{background-color:#27ae60;color:#fff}.ai1wm-button-blue,.ai1wm-button-green-small,.ai1wm-button-red{border:2px solid #6eb649;color:#6eb649}.ai1wm-button-green-small:hover{background-color:#6eb649;color:#fff}.ai1wm-button-blue,.ai1wm-button-red{border:2px solid #00aff0;color:#00aff0}.ai1wm-button-blue:hover{background-color:#00aff0;color:#fff}.ai1wm-button-red{border:2px solid #e74c3c;color:#e74c3c}.ai1wm-button-red:hover{background-color:#e74c3c;color:#fff}.ai1wm-button-blue[disabled=disabled],.ai1wm-button-green-small[disabled=disabled],.ai1wm-button-green[disabled=disabled],.ai1wm-button-red[disabled=disabled]{opacity:.6;cursor:default}.ai1wm-button-blue[disabled=disabled]:hover{color:#00aff0}.ai1wm-button-red[disabled=disabled]:hover{color:#e74c3c}.ai1wm-button-green[disabled=disabled]:hover{color:#27ae60}.ai1wm-button-blue[disabled=disabled]:hover,.ai1wm-button-green-small[disabled=disabled]:hover,.ai1wm-button-green[disabled=disabled]:hover,.ai1wm-button-red[disabled=disabled]:hover{background:100% 0}.ai1wm-message-close-button{position:absolute;left:10px;top:6px;text-decoration:none;font-size:10px}input[type=radio].ai1wm-flat-radio-button{display:none}input[type=radio].ai1wm-flat-radio-button+a i,input[type=radio].ai1wm-flat-radio-button+label i{vertical-align:middle;float:right;width:25px;height:25px;border-radius:50%;background:100% 0;border:2px solid #ccc;content:" ";cursor:pointer;position:relative;box-sizing:content-box}input[type=radio].ai1wm-flat-radio-button:checked+a i,input[type=radio].ai1wm-flat-radio-button:checked+label i{background-color:#d9d9d9;border-color:#6f6f6f}.ai1wm-clear{*zoom:1;clear:both}.ai1wm-clear:after,.ai1wm-clear:before{content:" ";display:table}.ai1wm-clear:after{clear:both}.ai1wm-container .ai1wm-row label{position:relative;top:-1px}.ai1wm-share-button-container{text-align:center}.ai1wm-share-button-container .ai1wm-share-button{text-decoration:none;margin:10px;font-size:30px}.ai1wm-report-problem{position:relative;float:left}.ai1wm-report-problem-dialog{position:absolute;z-index:999;width:280px;left:0;background-color:#fff;margin:6px 0 0;padding:15px 15px 10px;border:1px solid #d6d6d6;border-radius:3px;box-shadow:0 1px 0 0 #fff inset;display:none}.ai1wm-report-email{width:100%;font-weight:400;font-size:.8rem;height:2.3rem;line-height:2.3rem;border-radius:5px;margin-bottom:4px;padding:0 10px}.ai1wm-report-message{width:100%;border-radius:3px;font-size:.8rem;padding:6px 10px;resize:none}.ai1wm-feedback-cancel:active,.ai1wm-feedback-cancel:link,.ai1wm-feedback-cancel:visited,.ai1wm-report-cancel:active,.ai1wm-report-cancel:link,.ai1wm-report-cancel:visited{float:right;line-height:34px;outline:0;text-decoration:none;color:#e74c3c}.ai1wm-form-submit{float:left}.ai1wm-report-active{display:block}.ai1wm-report-terms-segment{font-size:.7rem;line-height:1rem;margin:4px 0 8px}.ai1wm-report-terms-segment>.ai1wm-report-terms{border-radius:3px}.ai1wm-import-info a,.ai1wm-no-underline{text-decoration:none}.ai1wm-top-negative-four{top:-4px}.ai1wm-feedback-form{display:none}.ai1wm-feedback-types{margin:0;padding:0;list-style:none}.ai1wm-feedback-types li{margin:14px 0;padding:0}.ai1wm-feedback-types>li>a>span,.ai1wm-feedback-types>li>label>span{display:inline-block;padding:5px 8px 6px 0}.ai1wm-feedback-types>li>a{height:29px;outline:0;color:#333;text-deciration:none}.ai1wm-loader{display:inline-block;width:128px;height:128px;position:relative;-webkit-animation:ai1wm-rotate 1.5s infinite linear;animation:ai1wm-rotate 1.5s infinite linear;background:url(../img/logo-128x128.png);background-repeat:no-repeat;background-position:center center}.ai1wm-hide{display:none}.ai1wm-label{border:1px solid #5cb85c;background-color:transparent;color:#5cb85c;cursor:pointer;text-transform:uppercase;font-weight:600;outline:0;transition:background-color .2s ease-out;padding:.2em .6em;font-size:.8em;border-radius:5px}.ai1wm-label:hover{background-color:#5cb85c;color:#fff}.ai1wm-dialog-message{text-align:right;line-height:1.5em}.ai1wm-import-info{display:inline-block;font-size:12px;font-weight:700;margin-top:16px}[class*=" ai1wm-icon-"],[class^=ai1wm-icon-]{font-family:'servmask';speak:none;font-style:normal;font-weight:400;font-variant:normal;text-transform:none;line-height:1;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.ai1wm-icon-file-zip:before{content:"\e60f"}.ai1wm-icon-folder:before{content:"\e60e"}.ai1wm-icon-file:before{content:"\e60b"}.ai1wm-icon-file-content:before{content:"\e60c"}.ai1wm-icon-cloud-upload:before{content:"\e600"}.ai1wm-icon-history:before{content:"\e603"}.ai1wm-icon-notification:before{content:"\e619"}.ai1wm-icon-arrow-down:before{content:"\e604"}.ai1wm-icon-close:before{content:"\e61a"}.ai1wm-icon-wordpress2:before{content:"\e620"}.ai1wm-icon-arrow-right:before{content:"\e605"}.ai1wm-icon-plus2:before{content:"\e607"}.ai1wm-icon-export:before{content:"\e601"}.ai1wm-icon-publish:before{content:"\e602"}.ai1wm-icon-paperplane:before{content:"\e608"}.ai1wm-icon-help:before{content:"\e609"}.ai1wm-icon-chevron-right:before{content:"\e60d"}.ai1wm-icon-dropbox:before{content:"\e606"}.ai1wm-icon-gear:before{content:"\e60a"}.ai1wm-icon-database:before{content:"\e964"}.ai1wm-icon-upload2:before{content:"\e9c6"}.ai1wm-icon-checkmark:before{content:"\ea10"}.ai1wm-icon-checkmark2:before{content:"\ea11"}.ai1wm-icon-enter:before{content:"\ea13"}.ai1wm-icon-exit:before{content:"\ea14"}.ai1wm-icon-amazon:before{content:"\ea87"}.ai1wm-icon-onedrive:before{content:"\eaaf"}@media (min-width:855px){.ai1wm-row{margin-left:399px}.ai1wm-row:after,.ai1wm-row:before{content:" ";display:table}.ai1wm-row:after{clear:both}.ai1wm-left{float:right;width:100%}.ai1wm-right{float:left;width:377px;margin-left:-399px}.ai1wm-right .ai1wm-sidebar{width:100%}.ai1wm-right .ai1wm-segment{width:333px;border:1px solid #d6d6d6;border-radius:3px;box-shadow:inset 0 1px 0 0 #fff;color:#333;background-color:#f9f9f9;padding:20px;text-decoration:none;text-shadow:0 1px 0 #fff;background-clip:padding-box}.ai1wm-right .ai1wm-segment h2{margin:22px 0 0;padding:0;font-weight:700;font-size:14px;text-transform:uppercase;text-align:center}.ai1wm-right .ai1wm-feedback-email{width:100%;font-weight:400;font-size:.8rem;height:2.3rem;line-height:2.3rem;border-radius:5px;margin-bottom:4px;padding:0 10px}.ai1wm-right .ai1wm-feedback-message{width:100%;border-radius:3px;font-size:.8rem;padding:6px 10px;resize:none}.ai1wm-right .ai1wm-feedback-terms-segment{font-size:.7rem;line-height:1rem;margin:4px 0 8px}.ai1wm-right .ai1wm-feedback-terms-segment>.ai1wm-feedback-terms{border-radius:3px}}.ai1wm-holder{position:relative;border:1px solid #d6d6d6;border-radius:3px;box-shadow:inset 0 1px 0 0 #fff;padding:20px;background:#f9f9f9}.ai1wm-holder h1{float:right;font-weight:300;font-size:22px;text-transform:uppercase}.ai1wm-holder h1 i{position:relative;top:2px}@media (max-width:854px){.ai1wm-container{margin-right:10px!important}.ai1wm-right,.ai1wm-row{margin-left:0!important}.ai1wm-right{float:right!important;width:100%!important;margin-top:18px}.ai1wm-right .ai1wm-sidebar{width:auto!important;border:1px solid #d6d6d6;border-radius:3px;box-shadow:inset 0 1px 0 0 #fff;padding:20px;background:#f9f9f9}.ai1wm-right .ai1wm-feedback-email{width:100%;font-weight:400;font-size:.8rem;height:2.3rem;line-height:2.3rem;border-radius:5px;margin-bottom:4px;padding:0 10px}.ai1wm-right .ai1wm-feedback-message{width:100%;border-radius:3px;font-size:.8rem;padding:6px 10px;resize:none}.ai1wm-right .ai1wm-feedback-terms-segment{font-size:.7rem;line-height:1rem;margin:4px 0 8px;border-radius:3px}.ai1wm-right .ai1wm-feedback-terms-segment>.ai1wm-feedback-terms{border-radius:3px}}.ai1wm-container{margin:20px 2px 0 20px}.ai1wm-container:after,.ai1wm-container:before{content:" ";display:table}.ai1wm-container:after{clear:both}.ai1wm-replace-row{width:100%;box-shadow:outset 0 1px 0 0 white;border-radius:3px;color:#333;font-size:11px;font-weight:700;background-color:#f9f9f9;text-decoration:none;text-shadow:0 1px 0 #fff;background-clip:padding-box;margin-bottom:10px}.ai1wm-field{margin-bottom:4px}.ai1wm-field input[type=text],.ai1wm-field textarea,.ai1wm-query div input{width:100%;font-weight:400}.ai1wm-field-set{margin-top:18px}.ai1wm-message{-moz-box-sizing:border-box;background-color:#efefef;border-radius:4px;color:rgba(0,0,0,.6);height:auto;margin:10px 0;min-height:18px;padding:6px 10px;position:relative;border:1px solid;transition:opacity .1s ease 0s,color .1s ease 0s,background .1s ease 0s,box-shadow .1s ease 0s}.ai1wm-message.ai1wm-success-message{background-color:#f2f8f0;color:#119000;font-size:12px}.ai1wm-message.ai1wm-info-message{background-color:#d9edf7;color:#31708f;font-size:11px}.ai1wm-message.ai1wm-error-message{background-color:#f1d7d7;color:#a95252;font-size:12px}.ai1wm-message.ai1wm-red-message{color:#d95c5c;border:2px solid #d95c5c;background-color:transparent}.ai1wm-message.ai1wm-red-message h3{margin:.4em 0;color:#d95c5c}.ai1wm-message p{margin:4px 0;font-size:12px}.ai1wm-message-warning{display:block;font-size:14px;line-height:18px;padding:12px 20px;margin:0 0 22px;background-color:#f9f9f9;border:1px solid #d6d6d6;border-radius:3px;box-shadow:0 1px 0 0 #fff inset;border-right:4px solid #ffba00}.ai1wm-overlay{display:none;position:fixed;top:0;right:0;width:100%;height:100%;background-color:rgba(0,0,0,.7);z-index:100001}.ai1wm-modal-container{position:fixed;display:none;top:50%;right:50%;z-index:100002;width:480px;height:auto;padding:16px;-webkit-transform:translate(240px,-94px);transform:translate(240px,-94px);border:1px solid #fff;box-shadow:0 2px 6px #292929;border-radius:6px;background:#f6f6f6;box-sizing:border-box;text-align:center}.ai1wm-modal-container section{display:block;min-height:102px}.ai1wm-holder h1,.ai1wm-modal-container section h1{margin:0;padding:0}.ai1wm-modal-container section h1 .ai1wm-title-green{color:#27ae60;font-size:20px}.ai1wm-modal-container section h1 .ai1wm-title-red{color:#e74c3c;font-size:20px}.ai1wm-modal-container section h1 .ai1wm-title-grey{color:gray;font-size:20px}.ai1wm-modal-container section h1 .ai1wm-loader{width:32px;height:32px;background:url(../img/logo-32x32.png)}.ai1wm-modal-container section h1 .ai1wm-icon-notification{font-size:1.2em;color:#e74c3c}.ai1wm-modal-container section p{margin:0;padding:12px 0}.ai1wm-modal-container section p .ai1wm-modal-sites p{padding:4px 10px;text-align:right}.ai1wm-modal-container section p .ai1wm-modal-sites input,.ai1wm-modal-container section p .ai1wm-modal-sites select{padding:0 6px;width:100%;border-radius:3px;height:30px;line-height:30px}.ai1wm-modal-container section p .ai1wm-modal-subtitle-green{color:#27ae60}.ai1wm-modal-container section p .ai1wm-modal-subtitle-red{color:#e74c3c}.ai1wm-modal-container section p .ai1wm-modal-subdescription{display:block;text-align:right}.ai1wm-modal-container section p a.ai1wm-button-green{display:inline-block;position:relative;top:26px}.ai1wm-modal-container section p a.ai1wm-emphasize{-webkit-animation:ai1wm-emphasize 1s infinite;animation:ai1wm-emphasize 1s infinite}.ai1wm-modal-container section p em{display:block;color:#34495e;font-style:normal}.ai1wm-modal-container section p.ai1wm-import-modal-content{text-align:right}.ai1wm-modal-container .ai1wm-import-modal-actions{border-top:1px solid #ccc;padding-top:1em;text-align:left}.ai1wm-modal-container .ai1wm-import-modal-actions .ai1wm-button-gray{margin-left:1em}.ai1wm-modal-container .ai1wm-import-modal-notice{border-top:1px solid #ccc}.ai1wm-modal-container .ai1wm-import-modal-notice p{font-weight:700;margin:0;padding-top:16px;text-align:center}.ai1wm-query-arrow{position:relative;top:4px;float:left}.ai1wm-query.ai1wm-open{background:#ebebeb!important}.ai1wm-query.ai1wm-open p small{border-bottom:1px dashed #000}.ai1wm-query.ai1wm-open div{visibility:visible!important;height:5rem!important;margin-top:8px}.ai1wm-query.ai1wm-open .ai1wm-query-arrow{-webkit-transform:rotate(-90deg);transform:rotate(-90deg)}.ai1wm-query{width:100%;margin:0 0 10px;list-style:none;background:100% 0;border:1px solid #d8d8d8;padding:10px;border-radius:5px;box-sizing:border-box}.ai1wm-query div{transition:height .2s cubic-bezier(.19,1,.22,1);visibility:hidden;height:0}.ai1wm-query div input{font-size:.8rem;padding:0 10px;height:2.3rem;line-height:2.3rem;margin-bottom:4px;border:1px solid #ddd;box-shadow:inset 0 1px 2px rgba(0,0,0,.07);background-color:#fff;color:#333;transition:.05s border-color ease-in-out;border-radius:5px}.ai1wm-query div input:focus{border-color:#5b9dd9;box-shadow:0 0 2px rgba(30,140,190,.8)}.ai1wm-query p{margin:0;cursor:pointer}.ai1wm-query p small{display:inline;width:auto;float:none}.ai1wm-button-download span{display:block;max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ai1wm-query-arrow{transition:transform .1s ease-out;transition:transform .1s ease-out,-webkit-transform .1s ease-out}#ai1wm-queries{padding:0}
lib/view/assets/javascript/backups.min.js CHANGED
@@ -98,7 +98,7 @@ module.exports = g;
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  /**
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- * Copyright (C) 2014-2018 ServMask Inc.
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  *
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  * This program is free software: you can redistribute it and/or modify
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  * it under the terms of the GNU General Public License as published by
@@ -227,7 +227,7 @@ jQuery(document).ready(function ($) {
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  /**
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- * Copyright (C) 2014-2018 ServMask Inc.
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  *
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  * This program is free software: you can redistribute it and/or modify
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  * it under the terms of the GNU General Public License as published by
@@ -328,7 +328,7 @@ jQuery(document).ready(function ($) {
328
 
329
 
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  /**
331
- * Copyright (C) 2014-2018 ServMask Inc.
332
  *
333
  * This program is free software: you can redistribute it and/or modify
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  * it under the terms of the GNU General Public License as published by
@@ -691,7 +691,7 @@ module.exports = Import;
691
 
692
 
693
  /**
694
- * Copyright (C) 2014-2018 ServMask Inc.
695
  *
696
  * This program is free software: you can redistribute it and/or modify
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  * it under the terms of the GNU General Public License as published by
@@ -1137,7 +1137,7 @@ module.exports = Modal;
1137
  /* WEBPACK VAR INJECTION */(function(global) {
1138
 
1139
  /**
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- * Copyright (C) 2014-2018 ServMask Inc.
1141
  *
1142
  * This program is free software: you can redistribute it and/or modify
1143
  * it under the terms of the GNU General Public License as published by
@@ -1234,7 +1234,7 @@ global.Ai1wm = jQuery.extend({}, global.Ai1wm, { Feedback: Feedback, Report: Rep
1234
 
1235
 
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  /**
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- * Copyright (C) 2014-2018 ServMask Inc.
1238
  *
1239
  * This program is free software: you can redistribute it and/or modify
1240
  * it under the terms of the GNU General Public License as published by
98
 
99
 
100
  /**
101
+ * Copyright (C) 2014-2019 ServMask Inc.
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  *
103
  * This program is free software: you can redistribute it and/or modify
104
  * it under the terms of the GNU General Public License as published by
227
 
228
 
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  /**
230
+ * Copyright (C) 2014-2019 ServMask Inc.
231
  *
232
  * This program is free software: you can redistribute it and/or modify
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  * it under the terms of the GNU General Public License as published by
328
 
329
 
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  /**
331
+ * Copyright (C) 2014-2019 ServMask Inc.
332
  *
333
  * This program is free software: you can redistribute it and/or modify
334
  * it under the terms of the GNU General Public License as published by
691
 
692
 
693
  /**
694
+ * Copyright (C) 2014-2019 ServMask Inc.
695
  *
696
  * This program is free software: you can redistribute it and/or modify
697
  * it under the terms of the GNU General Public License as published by
1137
  /* WEBPACK VAR INJECTION */(function(global) {
1138
 
1139
  /**
1140
+ * Copyright (C) 2014-2019 ServMask Inc.
1141
  *
1142
  * This program is free software: you can redistribute it and/or modify
1143
  * it under the terms of the GNU General Public License as published by
1234
 
1235
 
1236
  /**
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+ * Copyright (C) 2014-2019 ServMask Inc.
1238
  *
1239
  * This program is free software: you can redistribute it and/or modify
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  * it under the terms of the GNU General Public License as published by
lib/view/assets/javascript/export.min.js CHANGED
@@ -98,7 +98,7 @@ module.exports = g;
98
 
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100
  /**
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- * Copyright (C) 2014-2018 ServMask Inc.
102
  *
103
  * This program is free software: you can redistribute it and/or modify
104
  * it under the terms of the GNU General Public License as published by
@@ -227,7 +227,7 @@ jQuery(document).ready(function ($) {
227
 
228
 
229
  /**
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- * Copyright (C) 2014-2018 ServMask Inc.
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  *
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  * This program is free software: you can redistribute it and/or modify
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  * it under the terms of the GNU General Public License as published by
@@ -332,7 +332,7 @@ jQuery(document).ready(function ($) {
332
  /* WEBPACK VAR INJECTION */(function(global) {
333
 
334
  /**
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- * Copyright (C) 2014-2018 ServMask Inc.
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  *
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  * This program is free software: you can redistribute it and/or modify
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  * it under the terms of the GNU General Public License as published by
@@ -404,7 +404,7 @@ global.Ai1wm = jQuery.extend({}, global.Ai1wm, { Query: Query, FindReplace: Find
404
 
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  /**
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- * Copyright (C) 2014-2018 ServMask Inc.
408
  *
409
  * This program is free software: you can redistribute it and/or modify
410
  * it under the terms of the GNU General Public License as published by
@@ -457,7 +457,7 @@ global.Ai1wm = jQuery.extend({}, global.Ai1wm, { Query: Query, FindReplace: Find
457
 
458
 
459
  /**
460
- * Copyright (C) 2014-2018 ServMask Inc.
461
  *
462
  * This program is free software: you can redistribute it and/or modify
463
  * it under the terms of the GNU General Public License as published by
@@ -521,7 +521,7 @@ global.Ai1wm = jQuery.extend({}, global.Ai1wm, { Query: Query, FindReplace: Find
521
 
522
 
523
  /**
524
- * Copyright (C) 2014-2018 ServMask Inc.
525
  *
526
  * This program is free software: you can redistribute it and/or modify
527
  * it under the terms of the GNU General Public License as published by
@@ -774,7 +774,7 @@ module.exports = Export;
774
 
775
 
776
  /**
777
- * Copyright (C) 2014-2018 ServMask Inc.
778
  *
779
  * This program is free software: you can redistribute it and/or modify
780
  * it under the terms of the GNU General Public License as published by
98
 
99
 
100
  /**
101
+ * Copyright (C) 2014-2019 ServMask Inc.
102
  *
103
  * This program is free software: you can redistribute it and/or modify
104
  * it under the terms of the GNU General Public License as published by
227
 
228
 
229
  /**
230
+ * Copyright (C) 2014-2019 ServMask Inc.
231
  *
232
  * This program is free software: you can redistribute it and/or modify
233
  * it under the terms of the GNU General Public License as published by
332
  /* WEBPACK VAR INJECTION */(function(global) {
333
 
334
  /**
335
+ * Copyright (C) 2014-2019 ServMask Inc.
336
  *
337
  * This program is free software: you can redistribute it and/or modify
338
  * it under the terms of the GNU General Public License as published by
404
 
405
 
406
  /**
407
+ * Copyright (C) 2014-2019 ServMask Inc.
408
  *
409
  * This program is free software: you can redistribute it and/or modify
410
  * it under the terms of the GNU General Public License as published by
457
 
458
 
459
  /**
460
+ * Copyright (C) 2014-2019 ServMask Inc.
461
  *
462
  * This program is free software: you can redistribute it and/or modify
463
  * it under the terms of the GNU General Public License as published by
521
 
522
 
523
  /**
524
+ * Copyright (C) 2014-2019 ServMask Inc.
525
  *
526
  * This program is free software: you can redistribute it and/or modify
527
  * it under the terms of the GNU General Public License as published by
774
 
775
 
776
  /**
777
+ * Copyright (C) 2014-2019 ServMask Inc.
778
  *
779
  * This program is free software: you can redistribute it and/or modify
780
  * it under the terms of the GNU General Public License as published by
lib/view/assets/javascript/import.min.js CHANGED
@@ -98,7 +98,7 @@ module.exports = g;
98
 
99
 
100
  /**
101
- * Copyright (C) 2014-2018 ServMask Inc.
102
  *
103
  * This program is free software: you can redistribute it and/or modify
104
  * it under the terms of the GNU General Public License as published by
@@ -227,7 +227,7 @@ jQuery(document).ready(function ($) {
227
 
228
 
229
  /**
230
- * Copyright (C) 2014-2018 ServMask Inc.
231
  *
232
  * This program is free software: you can redistribute it and/or modify
233
  * it under the terms of the GNU General Public License as published by
@@ -328,7 +328,7 @@ jQuery(document).ready(function ($) {
328
 
329
 
330
  /**
331
- * Copyright (C) 2014-2018 ServMask Inc.
332
  *
333
  * This program is free software: you can redistribute it and/or modify
334
  * it under the terms of the GNU General Public License as published by
@@ -691,7 +691,7 @@ module.exports = Import;
691
 
692
 
693
  /**
694
- * Copyright (C) 2014-2018 ServMask Inc.
695
  *
696
  * This program is free software: you can redistribute it and/or modify
697
  * it under the terms of the GNU General Public License as published by
@@ -1144,7 +1144,7 @@ module.exports = Modal;
1144
  /* WEBPACK VAR INJECTION */(function(global) {
1145
 
1146
  /**
1147
- * Copyright (C) 2014-2018 ServMask Inc.
1148
  *
1149
  * This program is free software: you can redistribute it and/or modify
1150
  * it under the terms of the GNU General Public License as published by
@@ -1204,7 +1204,7 @@ global.Ai1wm = jQuery.extend({}, global.Ai1wm, { FileUploader: FileUploader, Fee
1204
 
1205
 
1206
  /**
1207
- * Copyright (C) 2014-2018 ServMask Inc.
1208
  *
1209
  * This program is free software: you can redistribute it and/or modify
1210
  * it under the terms of the GNU General Public License as published by
98
 
99
 
100
  /**
101
+ * Copyright (C) 2014-2019 ServMask Inc.
102
  *
103
  * This program is free software: you can redistribute it and/or modify
104
  * it under the terms of the GNU General Public License as published by
227
 
228
 
229
  /**
230
+ * Copyright (C) 2014-2019 ServMask Inc.
231
  *
232
  * This program is free software: you can redistribute it and/or modify
233
  * it under the terms of the GNU General Public License as published by
328
 
329
 
330
  /**
331
+ * Copyright (C) 2014-2019 ServMask Inc.
332
  *
333
  * This program is free software: you can redistribute it and/or modify
334
  * it under the terms of the GNU General Public License as published by
691
 
692
 
693
  /**
694
+ * Copyright (C) 2014-2019 ServMask Inc.
695
  *
696
  * This program is free software: you can redistribute it and/or modify
697
  * it under the terms of the GNU General Public License as published by
1144
  /* WEBPACK VAR INJECTION */(function(global) {
1145
 
1146
  /**
1147
+ * Copyright (C) 2014-2019 ServMask Inc.
1148
  *
1149
  * This program is free software: you can redistribute it and/or modify
1150
  * it under the terms of the GNU General Public License as published by
1204
 
1205
 
1206
  /**
1207
+ * Copyright (C) 2014-2019 ServMask Inc.
1208
  *
1209
  * This program is free software: you can redistribute it and/or modify
1210
  * it under the terms of the GNU General Public License as published by
lib/view/assets/javascript/settings.min.js CHANGED
@@ -100,7 +100,7 @@ module.exports = g;
100
 
101
 
102
  /**
103
- * Copyright (C) 2014-2018 ServMask Inc.
104
  *
105
  * This program is free software: you can redistribute it and/or modify
106
  * it under the terms of the GNU General Public License as published by
@@ -230,7 +230,7 @@ jQuery(document).ready(function ($) {
230
  /* WEBPACK VAR INJECTION */(function(global) {
231
 
232
  /**
233
- * Copyright (C) 2014-2018 ServMask Inc.
234
  *
235
  * This program is free software: you can redistribute it and/or modify
236
  * it under the terms of the GNU General Public License as published by
@@ -272,7 +272,7 @@ global.Ai1wm = jQuery.extend({}, global.Ai1wm, { Feedback: Feedback, Report: Rep
272
 
273
 
274
  /**
275
- * Copyright (C) 2014-2018 ServMask Inc.
276
  *
277
  * This program is free software: you can redistribute it and/or modify
278
  * it under the terms of the GNU General Public License as published by
100
 
101
 
102
  /**
103
+ * Copyright (C) 2014-2019 ServMask Inc.
104
  *
105
  * This program is free software: you can redistribute it and/or modify
106
  * it under the terms of the GNU General Public License as published by
230
  /* WEBPACK VAR INJECTION */(function(global) {
231
 
232
  /**
233
+ * Copyright (C) 2014-2019 ServMask Inc.
234
  *
235
  * This program is free software: you can redistribute it and/or modify
236
  * it under the terms of the GNU General Public License as published by
272
 
273
 
274
  /**
275
+ * Copyright (C) 2014-2019 ServMask Inc.
276
  *
277
  * This program is free software: you can redistribute it and/or modify
278
  * it under the terms of the GNU General Public License as published by
lib/view/assets/javascript/updater.min.js CHANGED
@@ -72,7 +72,7 @@
72
 
73
 
74
  /**
75
- * Copyright (C) 2014-2018 ServMask Inc.
76
  *
77
  * This program is free software: you can redistribute it and/or modify
78
  * it under the terms of the GNU General Public License as published by
72
 
73
 
74
  /**
75
+ * Copyright (C) 2014-2019 ServMask Inc.
76
  *
77
  * This program is free software: you can redistribute it and/or modify
78
  * it under the terms of the GNU General Public License as published by
lib/view/assets/javascript/util.min.js CHANGED
@@ -100,7 +100,7 @@ module.exports = g;
100
  /* WEBPACK VAR INJECTION */(function(global) {
101
 
102
  /**
103
- * Copyright (C) 2014-2018 ServMask Inc.
104
  *
105
  * This program is free software: you can redistribute it and/or modify
106
  * it under the terms of the GNU General Public License as published by
@@ -137,7 +137,7 @@ global.Ai1wm = jQuery.extend({}, global.Ai1wm, { Util: Util });
137
 
138
 
139
  /**
140
- * Copyright (C) 2014-2018 ServMask Inc.
141
  *
142
  * This program is free software: you can redistribute it and/or modify
143
  * it under the terms of the GNU General Public License as published by
100
  /* WEBPACK VAR INJECTION */(function(global) {
101
 
102
  /**
103
+ * Copyright (C) 2014-2019 ServMask Inc.
104
  *
105
  * This program is free software: you can redistribute it and/or modify
106
  * it under the terms of the GNU General Public License as published by
137
 
138
 
139
  /**
140
+ * Copyright (C) 2014-2019 ServMask Inc.
141
  *
142
  * This program is free software: you can redistribute it and/or modify
143
  * it under the terms of the GNU General Public License as published by
lib/view/backups/index.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
@@ -71,7 +71,7 @@
71
  <?php endif; ?>
72
  </td>
73
  <td class="ai1wm-column-actions ai1wm-backup-actions">
74
- <a href="<?php echo ai1wm_backup_url( array( 'archive' => esc_attr( $backup['filename'] ) ) ); ?>" class="ai1wm-button-green ai1wm-backup-download">
75
  <i class="ai1wm-icon-arrow-down"></i>
76
  <span><?php _e( 'Download', AI1WM_PLUGIN_NAME ); ?></span>
77
  </a>
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
71
  <?php endif; ?>
72
  </td>
73
  <td class="ai1wm-column-actions ai1wm-backup-actions">
74
+ <a href="<?php echo ai1wm_backup_url( array( 'archive' => esc_attr( $backup['filename'] ) ) ); ?>" class="ai1wm-button-green ai1wm-backup-download" download="<?php echo esc_attr( $backup['filename'] ); ?>">
75
  <i class="ai1wm-icon-arrow-down"></i>
76
  <span><?php _e( 'Download', AI1WM_PLUGIN_NAME ); ?></span>
77
  </a>
lib/view/common/http-authentication.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/common/leave-feedback.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/common/maintenance-mode.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/common/report-problem.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/common/share-buttons.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/advanced-settings.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/button-azure-storage.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/button-b2.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/button-box.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/button-digitalocean.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/button-dropbox.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/button-file.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/button-ftp.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/button-gcloud-storage.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/button-gdrive.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/button-glacier.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/button-mega.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/button-onedrive.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/button-pcloud.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/button-s3-client.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/button-s3.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/button-webdav.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/export-buttons.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/find-replace.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/help-section.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/export/index.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-azure-storage.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-b2.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-box.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-digitalocean.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-dropbox.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-file.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-ftp.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-gcloud-storage.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-gdrive.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-glacier.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-mega.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-onedrive.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-pcloud.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-s3-client.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-s3.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-url.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/button-webdav.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/import-buttons.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/index.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/import/pro.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/main/admin-head.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/main/backups-htaccess-notice.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/main/backups-index-notice.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/main/backups-path-notice.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/main/backups-webconfig-notice.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/main/get-support.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/main/multisite-notice.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/main/storage-index-notice.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/main/storage-path-notice.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/main/wordpress-htaccess-notice.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/updater/check.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
lib/view/updater/modal.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
loader.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
@@ -181,12 +181,6 @@ require_once AI1WM_VENDOR_PATH .
181
  DIRECTORY_SEPARATOR .
182
  'class-ai1wm-database-utility.php';
183
 
184
- require_once AI1WM_VENDOR_PATH .
185
- DIRECTORY_SEPARATOR .
186
- 'math' .
187
- DIRECTORY_SEPARATOR .
188
- 'BigInteger.php';
189
-
190
  require_once AI1WM_CONTROLLER_PATH .
191
  DIRECTORY_SEPARATOR .
192
  'class-ai1wm-main-controller.php';
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
181
  DIRECTORY_SEPARATOR .
182
  'class-ai1wm-database-utility.php';
183
 
 
 
 
 
 
 
184
  require_once AI1WM_CONTROLLER_PATH .
185
  DIRECTORY_SEPARATOR .
186
  'class-ai1wm-main-controller.php';
readme.txt CHANGED
@@ -4,7 +4,7 @@ Tags: move, transfer, copy, migrate, backup, clone, restore, db migration, wordp
4
  Requires at least: 3.3
5
  Tested up to: 5.0
6
  Requires PHP: 5.2.17
7
- Stable tag: 6.83
8
  License: GPLv2 or later
9
 
10
  Move, transfer, copy, migrate, and backup a site with 1-click. Quick, easy, and reliable.
@@ -108,6 +108,12 @@ Alternatively you can download the plugin using the download button on this page
108
  All-in-One WP Migration **asks for your consent** to collect **requester's email address** when filling plugin's contact form. [GDPR Compliant Privacy Policy](https://www.iubenda.com/privacy-policy/946881)
109
 
110
  == Changelog ==
 
 
 
 
 
 
111
  = 6.83 =
112
  **Added**
113
 
4
  Requires at least: 3.3
5
  Tested up to: 5.0
6
  Requires PHP: 5.2.17
7
+ Stable tag: 6.84
8
  License: GPLv2 or later
9
 
10
  Move, transfer, copy, migrate, and backup a site with 1-click. Quick, easy, and reliable.
108
  All-in-One WP Migration **asks for your consent** to collect **requester's email address** when filling plugin's contact form. [GDPR Compliant Privacy Policy](https://www.iubenda.com/privacy-policy/946881)
109
 
110
  == Changelog ==
111
+ = 6.84 =
112
+ **Fixed**
113
+
114
+ * Set the type of backup file during download via HTML attribute
115
+ * Removed Math_BigInteger class which was causing issues with other plugins
116
+
117
  = 6.83 =
118
  **Added**
119
 
uninstall.php CHANGED
@@ -1,6 +1,6 @@
1
  <?php
2
  /**
3
- * Copyright (C) 2014-2018 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by
1
  <?php
2
  /**
3
+ * Copyright (C) 2014-2019 ServMask Inc.
4
  *
5
  * This program is free software: you can redistribute it and/or modify
6
  * it under the terms of the GNU General Public License as published by