crypto-es/dist/pad-iso10126.mjs.map

A cryptography algorithms library compatible with ES6 and TypeScript

{"version":3,"file":"pad-iso10126.mjs","names":["Iso10126: Padding"],"sources":["../src/pad-iso10126.ts"],"sourcesContent":["import {\n  WordArray,\n} from './core';\nimport { Padding } from './cipher-core';\n\n/**\n * ISO 10126 padding strategy.\n */\nexport const Iso10126: Padding = {\n  pad(data: WordArray, blockSize: number): void {\n    // Shortcut\n    const blockSizeBytes = blockSize * 4;\n\n    // Count padding bytes\n    const nPaddingBytes = blockSizeBytes - (data.sigBytes % blockSizeBytes);\n\n    // Pad\n    data\n      .concat(WordArray.random(nPaddingBytes - 1))\n      .concat(WordArray.create([nPaddingBytes << 24], 1));\n  },\n\n  unpad(data: WordArray): void {\n    const _data = data;\n    // Get number of padding bytes from last byte\n    const nPaddingBytes = _data.words[(_data.sigBytes - 1) >>> 2] & 0xff;\n\n    // Remove padding\n    _data.sigBytes -= nPaddingBytes;\n  },\n};"],"mappings":";;;;;;AAQA,MAAaA,WAAoB;CAC/B,IAAI,MAAiB,WAAyB;EAE5C,MAAM,iBAAiB,YAAY;EAGnC,MAAM,gBAAgB,iBAAkB,KAAK,WAAW;AAGxD,OACG,OAAO,UAAU,OAAO,gBAAgB,IACxC,OAAO,UAAU,OAAO,CAAC,iBAAiB,GAAG,EAAE;CACnD;CAED,MAAM,MAAuB;EAC3B,MAAM,QAAQ;EAEd,MAAM,gBAAgB,MAAM,MAAO,MAAM,WAAW,MAAO,KAAK;AAGhE,QAAM,YAAY;CACnB;CACF"}