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Commit Description:
add model solution
Commit Description:
add model solution
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node_modules/crypto-js/pad-ansix923.js
| 48 lines
| 1.2 KiB
| application/javascript
| JavascriptLexer
|
| r789 | ;(function (root, factory, undef) { | ||
| if (typeof exports === "object") { | |||
| // CommonJS | |||
| module.exports = exports = factory(require("./core"), require("./cipher-core")); | |||
| } | |||
| else if (typeof define === "function" && define.amd) { | |||
| // AMD | |||
| define(["./core", "./cipher-core"], factory); | |||
| } | |||
| else { | |||
| // Global (browser) | |||
| factory(root.CryptoJS); | |||
| } | |||
| }(this, function (CryptoJS) { | |||
| /** | |||
| * ANSI X.923 padding strategy. | |||
| */ | |||
| CryptoJS.pad.AnsiX923 = { | |||
| pad: function (data, blockSize) { | |||
| // Shortcuts | |||
| var dataSigBytes = data.sigBytes; | |||
| var blockSizeBytes = blockSize * 4; | |||
| // Count padding bytes | |||
| var nPaddingBytes = blockSizeBytes - dataSigBytes % blockSizeBytes; | |||
| // Compute last byte position | |||
| var lastBytePos = dataSigBytes + nPaddingBytes - 1; | |||
| // Pad | |||
| data.clamp(); | |||
| data.words[lastBytePos >>> 2] |= nPaddingBytes << (24 - (lastBytePos % 4) * 8); | |||
| data.sigBytes += nPaddingBytes; | |||
| }, | |||
| unpad: function (data) { | |||
| // Get number of padding bytes from last byte | |||
| var nPaddingBytes = data.words[(data.sigBytes - 1) >>> 2] & 0xff; | |||
| // Remove padding | |||
| data.sigBytes -= nPaddingBytes; | |||
| } | |||
| }; | |||
| return CryptoJS.pad.Ansix923; | |||
| })); |