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76 lines
2.2 KiB
JavaScript
76 lines
2.2 KiB
JavaScript
2 years ago
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;(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 () {
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// Check if typed arrays are supported
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if (typeof ArrayBuffer != 'function') {
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return;
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}
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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 WordArray = C_lib.WordArray;
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// Reference original init
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var superInit = WordArray.init;
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// Augment WordArray.init to handle typed arrays
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var subInit = WordArray.init = function (typedArray) {
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// Convert buffers to uint8
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if (typedArray instanceof ArrayBuffer) {
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typedArray = new Uint8Array(typedArray);
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}
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// Convert other array views to uint8
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if (
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typedArray instanceof Int8Array ||
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(typeof Uint8ClampedArray !== "undefined" && typedArray instanceof Uint8ClampedArray) ||
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typedArray instanceof Int16Array ||
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typedArray instanceof Uint16Array ||
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typedArray instanceof Int32Array ||
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typedArray instanceof Uint32Array ||
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typedArray instanceof Float32Array ||
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typedArray instanceof Float64Array
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) {
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typedArray = new Uint8Array(typedArray.buffer, typedArray.byteOffset, typedArray.byteLength);
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}
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// Handle Uint8Array
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if (typedArray instanceof Uint8Array) {
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// Shortcut
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var typedArrayByteLength = typedArray.byteLength;
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// Extract bytes
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var words = [];
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for (var i = 0; i < typedArrayByteLength; i++) {
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words[i >>> 2] |= typedArray[i] << (24 - (i % 4) * 8);
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}
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// Initialize this word array
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superInit.call(this, words, typedArrayByteLength);
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} else {
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// Else call normal init
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superInit.apply(this, arguments);
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}
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};
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subInit.prototype = WordArray;
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}());
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return CryptoJS.lib.WordArray;
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}));
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