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