diff options
Diffstat (limited to 'library/cryptojs/components/mode-ctr-gladman.js')
-rw-r--r-- | library/cryptojs/components/mode-ctr-gladman.js | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/library/cryptojs/components/mode-ctr-gladman.js b/library/cryptojs/components/mode-ctr-gladman.js deleted file mode 100644 index c5428c9cd..000000000 --- a/library/cryptojs/components/mode-ctr-gladman.js +++ /dev/null @@ -1,102 +0,0 @@ -/* -CryptoJS v3.1.2 -code.google.com/p/crypto-js -(c) 2009-2013 by Jeff Mott. All rights reserved. -code.google.com/p/crypto-js/wiki/License -*/ -/** @preserve
- * Counter block mode compatible with Dr Brian Gladman fileenc.c - * derived from CryptoJS.mode.CTR - * Jan Hruby jhruby.web@gmail.com
- */
-CryptoJS.mode.CTRGladman = (function () {
- var CTRGladman = CryptoJS.lib.BlockCipherMode.extend();
- - function incWord(word) - { - if (((word >> 24) & 0xff) === 0xff) { //overflow - var b1 = (word >> 16)&0xff; - var b2 = (word >> 8)&0xff; - var b3 = word & 0xff; - - if (b1 === 0xff) // overflow b1 - { - b1 = 0; - if (b2 === 0xff) - { - b2 = 0; - if (b3 === 0xff) - { - b3 = 0; - } - else - { - ++b3; - } - } - else - { - ++b2; - } - } - else - { - ++b1; - } - - word = 0; - word += (b1 << 16); - word += (b2 << 8); - word += b3; - } - else - { - word += (0x01 << 24); - } - return word; - } - - function incCounter(counter) - { - if ((counter[0] = incWord(counter[0])) === 0) - { - // encr_data in fileenc.c from Dr Brian Gladman's counts only with DWORD j < 8 - counter[1] = incWord(counter[1]); - } - return counter; - } -
- var Encryptor = CTRGladman.Encryptor = CTRGladman.extend({
- processBlock: function (words, offset) {
- // Shortcuts
- var cipher = this._cipher
- var blockSize = cipher.blockSize;
- var iv = this._iv;
- var counter = this._counter;
-
- // Generate keystream
- if (iv) {
- counter = this._counter = iv.slice(0);
-
- // Remove IV for subsequent blocks
- this._iv = undefined;
- }
- - incCounter(counter); - - var keystream = counter.slice(0);
- cipher.encryptBlock(keystream, 0);
-
- // Encrypt
- for (var i = 0; i < blockSize; i++) {
- words[offset + i] ^= keystream[i];
- }
- }
- });
-
- CTRGladman.Decryptor = Encryptor;
-
- return CTRGladman;
-}());
- - |