diff options
Diffstat (limited to 'library/cryptojs/components/sha3.js')
| -rw-r--r-- | library/cryptojs/components/sha3.js | 309 |
1 files changed, 0 insertions, 309 deletions
diff --git a/library/cryptojs/components/sha3.js b/library/cryptojs/components/sha3.js deleted file mode 100644 index 1504bfb31..000000000 --- a/library/cryptojs/components/sha3.js +++ /dev/null @@ -1,309 +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 -*/ -(function (Math) {
- // Shortcuts
- var C = CryptoJS;
- var C_lib = C.lib;
- var WordArray = C_lib.WordArray;
- var Hasher = C_lib.Hasher;
- var C_x64 = C.x64;
- var X64Word = C_x64.Word;
- var C_algo = C.algo;
-
- // Constants tables
- var RHO_OFFSETS = [];
- var PI_INDEXES = [];
- var ROUND_CONSTANTS = [];
-
- // Compute Constants
- (function () {
- // Compute rho offset constants
- var x = 1, y = 0;
- for (var t = 0; t < 24; t++) {
- RHO_OFFSETS[x + 5 * y] = ((t + 1) * (t + 2) / 2) % 64;
-
- var newX = y % 5;
- var newY = (2 * x + 3 * y) % 5;
- x = newX;
- y = newY;
- }
-
- // Compute pi index constants
- for (var x = 0; x < 5; x++) {
- for (var y = 0; y < 5; y++) {
- PI_INDEXES[x + 5 * y] = y + ((2 * x + 3 * y) % 5) * 5;
- }
- }
-
- // Compute round constants
- var LFSR = 0x01;
- for (var i = 0; i < 24; i++) {
- var roundConstantMsw = 0;
- var roundConstantLsw = 0;
-
- for (var j = 0; j < 7; j++) {
- if (LFSR & 0x01) {
- var bitPosition = (1 << j) - 1;
- if (bitPosition < 32) {
- roundConstantLsw ^= 1 << bitPosition;
- } else /* if (bitPosition >= 32) */ {
- roundConstantMsw ^= 1 << (bitPosition - 32);
- }
- }
-
- // Compute next LFSR
- if (LFSR & 0x80) {
- // Primitive polynomial over GF(2): x^8 + x^6 + x^5 + x^4 + 1
- LFSR = (LFSR << 1) ^ 0x71;
- } else {
- LFSR <<= 1;
- }
- }
-
- ROUND_CONSTANTS[i] = X64Word.create(roundConstantMsw, roundConstantLsw);
- }
- }());
-
- // Reusable objects for temporary values
- var T = [];
- (function () {
- for (var i = 0; i < 25; i++) {
- T[i] = X64Word.create();
- }
- }());
-
- /**
- * SHA-3 hash algorithm.
- */
- var SHA3 = C_algo.SHA3 = Hasher.extend({
- /**
- * Configuration options.
- *
- * @property {number} outputLength
- * The desired number of bits in the output hash.
- * Only values permitted are: 224, 256, 384, 512.
- * Default: 512
- */
- cfg: Hasher.cfg.extend({
- outputLength: 512
- }),
-
- _doReset: function () {
- var state = this._state = []
- for (var i = 0; i < 25; i++) {
- state[i] = new X64Word.init();
- }
-
- this.blockSize = (1600 - 2 * this.cfg.outputLength) / 32;
- },
-
- _doProcessBlock: function (M, offset) {
- // Shortcuts
- var state = this._state;
- var nBlockSizeLanes = this.blockSize / 2;
-
- // Absorb
- for (var i = 0; i < nBlockSizeLanes; i++) {
- // Shortcuts
- var M2i = M[offset + 2 * i];
- var M2i1 = M[offset + 2 * i + 1];
-
- // Swap endian
- M2i = (
- (((M2i << 8) | (M2i >>> 24)) & 0x00ff00ff) |
- (((M2i << 24) | (M2i >>> 8)) & 0xff00ff00)
- );
- M2i1 = (
- (((M2i1 << 8) | (M2i1 >>> 24)) & 0x00ff00ff) |
- (((M2i1 << 24) | (M2i1 >>> 8)) & 0xff00ff00)
- );
-
- // Absorb message into state
- var lane = state[i];
- lane.high ^= M2i1;
- lane.low ^= M2i;
- }
-
- // Rounds
- for (var round = 0; round < 24; round++) {
- // Theta
- for (var x = 0; x < 5; x++) {
- // Mix column lanes
- var tMsw = 0, tLsw = 0;
- for (var y = 0; y < 5; y++) {
- var lane = state[x + 5 * y];
- tMsw ^= lane.high;
- tLsw ^= lane.low;
- }
-
- // Temporary values
- var Tx = T[x];
- Tx.high = tMsw;
- Tx.low = tLsw;
- }
- for (var x = 0; x < 5; x++) {
- // Shortcuts
- var Tx4 = T[(x + 4) % 5];
- var Tx1 = T[(x + 1) % 5];
- var Tx1Msw = Tx1.high;
- var Tx1Lsw = Tx1.low;
-
- // Mix surrounding columns
- var tMsw = Tx4.high ^ ((Tx1Msw << 1) | (Tx1Lsw >>> 31));
- var tLsw = Tx4.low ^ ((Tx1Lsw << 1) | (Tx1Msw >>> 31));
- for (var y = 0; y < 5; y++) {
- var lane = state[x + 5 * y];
- lane.high ^= tMsw;
- lane.low ^= tLsw;
- }
- }
-
- // Rho Pi
- for (var laneIndex = 1; laneIndex < 25; laneIndex++) {
- // Shortcuts
- var lane = state[laneIndex];
- var laneMsw = lane.high;
- var laneLsw = lane.low;
- var rhoOffset = RHO_OFFSETS[laneIndex];
-
- // Rotate lanes
- if (rhoOffset < 32) {
- var tMsw = (laneMsw << rhoOffset) | (laneLsw >>> (32 - rhoOffset));
- var tLsw = (laneLsw << rhoOffset) | (laneMsw >>> (32 - rhoOffset));
- } else /* if (rhoOffset >= 32) */ {
- var tMsw = (laneLsw << (rhoOffset - 32)) | (laneMsw >>> (64 - rhoOffset));
- var tLsw = (laneMsw << (rhoOffset - 32)) | (laneLsw >>> (64 - rhoOffset));
- }
-
- // Transpose lanes
- var TPiLane = T[PI_INDEXES[laneIndex]];
- TPiLane.high = tMsw;
- TPiLane.low = tLsw;
- }
-
- // Rho pi at x = y = 0
- var T0 = T[0];
- var state0 = state[0];
- T0.high = state0.high;
- T0.low = state0.low;
-
- // Chi
- for (var x = 0; x < 5; x++) {
- for (var y = 0; y < 5; y++) {
- // Shortcuts
- var laneIndex = x + 5 * y;
- var lane = state[laneIndex];
- var TLane = T[laneIndex];
- var Tx1Lane = T[((x + 1) % 5) + 5 * y];
- var Tx2Lane = T[((x + 2) % 5) + 5 * y];
-
- // Mix rows
- lane.high = TLane.high ^ (~Tx1Lane.high & Tx2Lane.high);
- lane.low = TLane.low ^ (~Tx1Lane.low & Tx2Lane.low);
- }
- }
-
- // Iota
- var lane = state[0];
- var roundConstant = ROUND_CONSTANTS[round];
- lane.high ^= roundConstant.high;
- lane.low ^= roundConstant.low;;
- }
- },
-
- _doFinalize: function () {
- // Shortcuts
- var data = this._data;
- var dataWords = data.words;
- var nBitsTotal = this._nDataBytes * 8;
- var nBitsLeft = data.sigBytes * 8;
- var blockSizeBits = this.blockSize * 32;
-
- // Add padding
- dataWords[nBitsLeft >>> 5] |= 0x1 << (24 - nBitsLeft % 32);
- dataWords[((Math.ceil((nBitsLeft + 1) / blockSizeBits) * blockSizeBits) >>> 5) - 1] |= 0x80;
- data.sigBytes = dataWords.length * 4;
-
- // Hash final blocks
- this._process();
-
- // Shortcuts
- var state = this._state;
- var outputLengthBytes = this.cfg.outputLength / 8;
- var outputLengthLanes = outputLengthBytes / 8;
-
- // Squeeze
- var hashWords = [];
- for (var i = 0; i < outputLengthLanes; i++) {
- // Shortcuts
- var lane = state[i];
- var laneMsw = lane.high;
- var laneLsw = lane.low;
-
- // Swap endian
- laneMsw = (
- (((laneMsw << 8) | (laneMsw >>> 24)) & 0x00ff00ff) |
- (((laneMsw << 24) | (laneMsw >>> 8)) & 0xff00ff00)
- );
- laneLsw = (
- (((laneLsw << 8) | (laneLsw >>> 24)) & 0x00ff00ff) |
- (((laneLsw << 24) | (laneLsw >>> 8)) & 0xff00ff00)
- );
-
- // Squeeze state to retrieve hash
- hashWords.push(laneLsw);
- hashWords.push(laneMsw);
- }
-
- // Return final computed hash
- return new WordArray.init(hashWords, outputLengthBytes);
- },
-
- clone: function () {
- var clone = Hasher.clone.call(this);
-
- var state = clone._state = this._state.slice(0);
- for (var i = 0; i < 25; i++) {
- state[i] = state[i].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.SHA3('message');
- * var hash = CryptoJS.SHA3(wordArray);
- */
- C.SHA3 = Hasher._createHelper(SHA3);
-
- /**
- * 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.HmacSHA3(message, key);
- */
- C.HmacSHA3 = Hasher._createHmacHelper(SHA3);
-}(Math));
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