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| author | Haakon Meland Eriksen <haakon.eriksen@far.no> | 2014-06-24 19:34:36 +0200 |
|---|---|---|
| committer | Haakon Meland Eriksen <haakon.eriksen@far.no> | 2014-06-24 19:34:36 +0200 |
| commit | b8dc9e855af2d30f33d0f90dc13d8cad0a7b3e70 (patch) | |
| tree | 718df6305bcb82c8dcb4b287a7132422e748cdfb /library/cryptojs/components/sha1.js | |
| parent | c2d520f1be115fb3cb5da2a35eb10146cecee8aa (diff) | |
| parent | a92fb0b04c3e6474ec48faf8e4cc65c382e89d66 (diff) | |
| download | volse-hubzilla-b8dc9e855af2d30f33d0f90dc13d8cad0a7b3e70.tar.gz volse-hubzilla-b8dc9e855af2d30f33d0f90dc13d8cad0a7b3e70.tar.bz2 volse-hubzilla-b8dc9e855af2d30f33d0f90dc13d8cad0a7b3e70.zip | |
Merge remote-tracking branch 'upstream/master'
Diffstat (limited to 'library/cryptojs/components/sha1.js')
| -rw-r--r-- | library/cryptojs/components/sha1.js | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/library/cryptojs/components/sha1.js b/library/cryptojs/components/sha1.js new file mode 100644 index 000000000..01861f472 --- /dev/null +++ b/library/cryptojs/components/sha1.js @@ -0,0 +1,136 @@ +/* +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 +*/ +(function () {
+ // Shortcuts
+ var C = CryptoJS;
+ var C_lib = C.lib;
+ var WordArray = C_lib.WordArray;
+ var Hasher = C_lib.Hasher;
+ var C_algo = C.algo;
+
+ // Reusable object
+ var W = [];
+
+ /**
+ * SHA-1 hash algorithm.
+ */
+ var SHA1 = C_algo.SHA1 = Hasher.extend({
+ _doReset: function () {
+ this._hash = new WordArray.init([
+ 0x67452301, 0xefcdab89,
+ 0x98badcfe, 0x10325476,
+ 0xc3d2e1f0
+ ]);
+ },
+
+ _doProcessBlock: function (M, offset) {
+ // Shortcut
+ var H = this._hash.words;
+
+ // Working variables
+ var a = H[0];
+ var b = H[1];
+ var c = H[2];
+ var d = H[3];
+ var e = H[4];
+
+ // Computation
+ for (var i = 0; i < 80; i++) {
+ if (i < 16) {
+ W[i] = M[offset + i] | 0;
+ } else {
+ var n = W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16];
+ W[i] = (n << 1) | (n >>> 31);
+ }
+
+ var t = ((a << 5) | (a >>> 27)) + e + W[i];
+ if (i < 20) {
+ t += ((b & c) | (~b & d)) + 0x5a827999;
+ } else if (i < 40) {
+ t += (b ^ c ^ d) + 0x6ed9eba1;
+ } else if (i < 60) {
+ t += ((b & c) | (b & d) | (c & d)) - 0x70e44324;
+ } else /* if (i < 80) */ {
+ t += (b ^ c ^ d) - 0x359d3e2a;
+ }
+
+ e = d;
+ d = c;
+ c = (b << 30) | (b >>> 2);
+ b = a;
+ a = t;
+ }
+
+ // Intermediate hash value
+ H[0] = (H[0] + a) | 0;
+ H[1] = (H[1] + b) | 0;
+ H[2] = (H[2] + c) | 0;
+ H[3] = (H[3] + d) | 0;
+ H[4] = (H[4] + e) | 0;
+ },
+
+ _doFinalize: function () {
+ // Shortcuts
+ var data = this._data;
+ var dataWords = data.words;
+
+ var nBitsTotal = this._nDataBytes * 8;
+ var nBitsLeft = data.sigBytes * 8;
+
+ // Add padding
+ dataWords[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32);
+ dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 14] = Math.floor(nBitsTotal / 0x100000000);
+ dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 15] = nBitsTotal;
+ data.sigBytes = dataWords.length * 4;
+
+ // Hash final blocks
+ this._process();
+
+ // Return final computed hash
+ return this._hash;
+ },
+
+ clone: function () {
+ var clone = Hasher.clone.call(this);
+ clone._hash = this._hash.clone();
+
+ return clone;
+ }
+ });
+
+ /**
+ * Shortcut function to the hasher's object interface.
+ *
+ * @param {WordArray|string} message The message to hash.
+ *
+ * @return {WordArray} The hash.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var hash = CryptoJS.SHA1('message');
+ * var hash = CryptoJS.SHA1(wordArray);
+ */
+ C.SHA1 = Hasher._createHelper(SHA1);
+
+ /**
+ * Shortcut function to the HMAC's object interface.
+ *
+ * @param {WordArray|string} message The message to hash.
+ * @param {WordArray|string} key The secret key.
+ *
+ * @return {WordArray} The HMAC.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var hmac = CryptoJS.HmacSHA1(message, key);
+ */
+ C.HmacSHA1 = Hasher._createHmacHelper(SHA1);
+}());
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