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44 lines
1.1 KiB
44 lines
1.1 KiB
2 years ago
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;(function (root, factory, undef) {
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if (typeof exports === "object") {
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// CommonJS
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module.exports = exports = factory(require("./core"), require("./cipher-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", "./cipher-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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/**
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* ISO 10126 padding strategy.
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*/
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CryptoJS.pad.Iso10126 = {
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pad: function (data, blockSize) {
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// Shortcut
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var blockSizeBytes = blockSize * 4;
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// Count padding bytes
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var nPaddingBytes = blockSizeBytes - data.sigBytes % blockSizeBytes;
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// Pad
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data.concat(CryptoJS.lib.WordArray.random(nPaddingBytes - 1)).
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concat(CryptoJS.lib.WordArray.create([nPaddingBytes << 24], 1));
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},
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unpad: function (data) {
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// Get number of padding bytes from last byte
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var nPaddingBytes = data.words[(data.sigBytes - 1) >>> 2] & 0xff;
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// Remove padding
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data.sigBytes -= nPaddingBytes;
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}
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};
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return CryptoJS.pad.Iso10126;
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}));
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