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44 lines
1.1 KiB
44 lines
1.1 KiB
;(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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/** |
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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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|
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// Count padding bytes |
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var nPaddingBytes = blockSizeBytes - data.sigBytes % blockSizeBytes; |
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|
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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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})); |