/*
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 (undefined) {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var Base = C_lib.Base;
var X32WordArray = C_lib.WordArray;
/**
* x64 namespace.
*/
var C_x64 = C.x64 = {};
/**
* A 64-bit word.
*/
var X64Word = C_x64.Word = Base.extend({
/**
* Initializes a newly created 64-bit word.
*
* @param {number} high The high 32 bits.
* @param {number} low The low 32 bits.
*
* @example
*
* var x64Word = CryptoJS.x64.Word.create(0x00010203, 0x04050607);
*/
init: function (high, low) {
this.high = high;
this.low = low;
}
/**
* Bitwise NOTs this word.
*
* @return {X64Word} A new x64-Word object after negating.
*
* @example
*
* var negated = x64Word.not();
*/
// not: function () {
// var high = ~this.high;
// var low = ~this.low;
// return X64Word.create(high, low);
// },
/**
* Bitwise ANDs this word with the passed word.
*
* @param {X64Word} word The x64-Word to AND with this word.
*
* @return {X64Word} A new x64-Word object after ANDing.
*
* @example
*
* var anded = x64Word.and(anotherX64Word);
*/
// and: function (word) {
// var high = this.high & word.high;
// var low = this.low & word.low;
// return X64Word.create(high, low);
// },
/**
* Bitwise ORs this word with the passed word.
*
* @param {X64Word} word The x64-Word to OR with this word.
*
* @return {X64Word} A new x64-Word object after ORing.
*
* @example
*
* var ored = x64Word.or(anotherX64Word);
*/
// or: function (word) {
// var high = this.high | word.high;
// var low = this.low | word.low;
// return X64Word.create(high, low);
// },
/**
* Bitwise XORs this word with the passed word.
*
* @param {X64Word} word The x64-Word to XOR with this word.
*
* @return {X64Word} A new x64-Word object after XORing.
*
* @example
*
* var xored = x64Word.xor(anotherX64Word);
*/
// xor: function (word) {
// var high = this.high ^ word.high;
// var low = this.low ^ word.low;
// return X64Word.create(high, low);
// },
/**
* Shifts this word n bits to the left.
*
* @param {number} n The number of bits to shift.
*
* @return {X64Word} A new x64-Word object after shifting.
*
* @example
*
* var shifted = x64Word.shiftL(25);
*/
// shiftL: function (n) {
// if (n < 32) {
// var high = (this.high << n) | (this.low >>> (32 - n));
// var low = this.low << n;
// } else {
// var high = this.low << (n - 32);
// var low = 0;
// }
// return X64Word.create(high, low);
// },
/**
* Shifts this word n bits to the right.
*
* @param {number} n The number of bits to shift.
*
* @return {X64Word} A new x64-Word object after shifting.
*
* @example
*
* var shifted = x64Word.shiftR(7);
*/
// shiftR: function (n) {
// if (n < 32) {
// var low = (this.low >>> n) | (this.high << (32 - n));
// var high = this.high >>> n;
// } else {
// var low = this.high >>> (n - 32);
// var high = 0;
// }
// return X64Word.create(high, low);
// },
/**
* Rotates this word n bits to the left.
*
* @param {number} n The number of bits to rotate.
*
* @return {X64Word} A new x64-Word object after rotating.
*
* @example
*
* var rotated = x64Word.rotL(25);
*/
// rotL: function (n) {
// return this.shiftL(n).or(this.shiftR(64 - n));
// },
/**
* Rotates this word n bits to the right.
*
* @param {number} n The number of bits to rotate.
*
* @return {X64Word} A new x64-Word object after rotating.
*
* @example
*
* var rotated = x64Word.rotR(7);
*/
// rotR: function (n) {
// return this.shiftR(n).or(this.shiftL(64 - n));
// },
/**
* Adds this word with the passed word.
*
* @param {X64Word} word The x64-Word to add with this word.
*
* @return {X64Word} A new x64-Word object after adding.
*
* @example
*
* var added = x64Word.add(anotherX64Word);
*/
// add: function (word) {
// var low = (this.low + word.low) | 0;
// var carry = (low >>> 0) < (this.low >>> 0) ? 1 : 0;
// var high = (this.high + word.high + carry) | 0;
// return X64Word.create(high, low);
// }
});
/**
* An array of 64-bit words.
*
* @property {Array} words The array of CryptoJS.x64.Word objects.
* @property {number} sigBytes The number of significant bytes in this word array.
*/
var X64WordArray = C_x64.WordArray = Base.extend({
/**
* Initializes a newly created word array.
*
* @param {Array} words (Optional) An array of CryptoJS.x64.Word objects.
* @param {number} sigBytes (Optional) The number of significant bytes in the words.
*
* @example
*
* var wordArray = CryptoJS.x64.WordArray.create();
*
* var wordArray = CryptoJS.x64.WordArray.create([
* CryptoJS.x64.Word.create(0x00010203, 0x04050607),
* CryptoJS.x64.Word.create(0x18191a1b, 0x1c1d1e1f)
* ]);
*
* var wordArray = CryptoJS.x64.WordArray.create([
* CryptoJS.x64.Word.create(0x00010203, 0x04050607),
* CryptoJS.x64.Word.create(0x18191a1b, 0x1c1d1e1f)
* ], 10);
*/
init: function (words, sigBytes) {
words = this.words = words || [];
if (sigBytes != undefined) {
this.sigBytes = sigBytes;
} else {
this.sigBytes = words.length * 8;
}
},
/**
* Converts this 64-bit word array to a 32-bit word array.
*
* @return {CryptoJS.lib.WordArray} This word array's data as a 32-bit word array.
*
* @example
*
* var x32WordArray = x64WordArray.toX32();
*/
toX32: function () {
// Shortcuts
var x64Words = this.words;
var x64WordsLength = x64Words.length;
// Convert
var x32Words = [];
for (var i = 0; i < x64WordsLength; i++) {
var x64Word = x64Words[i];
x32Words.push(x64Word.high);
x32Words.push(x64Word.low);
}
return X32WordArray.create(x32Words, this.sigBytes);
},
/**
* Creates a copy of this word array.
*
* @return {X64WordArray} The clone.
*
* @example
*
* var clone = x64WordArray.clone();
*/
clone: function () {
var clone = Base.clone.call(this);
// Clone "words" array
var words = clone.words = this.words.slice(0);
// Clone each X64Word object
var wordsLength = words.length;
for (var i = 0; i < wordsLength; i++) {
words[i] = words[i].clone();
}
return clone;
}
});
}());
