diff --git a/src/core/crypto.js b/src/core/crypto.js index 4913ef42106cb..8b0d9dce36e6c 100644 --- a/src/core/crypto.js +++ b/src/core/crypto.js @@ -15,7 +15,7 @@ import { bytesToString, FormatError, PasswordException, PasswordResponses, - stringToBytes, utf8StringToString, warn + stringToBytes, unreachable, utf8StringToString, warn } from '../shared/util'; import { isDict, isName, Name } from './primitives'; import { DecryptStream } from './stream'; @@ -629,169 +629,135 @@ var NullCipher = (function NullCipherClosure() { return NullCipher; })(); -var AES128Cipher = (function AES128CipherClosure() { - var rcon = new Uint8Array([ - 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, - 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, - 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, - 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, - 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, - 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, - 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, - 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, - 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, - 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, - 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, - 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, - 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, - 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, - 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, - 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, - 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, - 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, - 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, - 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, - 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, - 0x74, 0xe8, 0xcb, 0x8d]); - - var s = new Uint8Array([ - 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, - 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, - 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, - 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, - 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, - 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, - 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, - 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, - 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, - 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, - 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, - 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, - 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, - 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, - 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, - 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, - 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, - 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, - 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, - 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, - 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, - 0xb0, 0x54, 0xbb, 0x16]); - - var inv_s = new Uint8Array([ - 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, - 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, - 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, - 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, - 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, - 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, - 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, - 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, - 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, - 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, - 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, - 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, - 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, - 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, - 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, - 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, - 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, - 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, - 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, - 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, - 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, - 0x55, 0x21, 0x0c, 0x7d]); - var mixCol = new Uint8Array(256); - for (var i = 0; i < 256; i++) { - if (i < 128) { - mixCol[i] = i << 1; - } else { - mixCol[i] = (i << 1) ^ 0x1b; - } - } - var mix = new Uint32Array([ - 0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, - 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, - 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, - 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, - 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, - 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, - 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, - 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, - 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, - 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, - 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, - 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, - 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, - 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, - 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, - 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, - 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, - 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, - 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, - 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, - 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, - 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, - 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, - 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, - 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, - 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, - 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, - 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, - 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, - 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, - 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, - 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, - 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, - 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, - 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, - 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, - 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, - 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, - 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, - 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, - 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, - 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, - 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3]); - - function expandKey128(cipherKey) { - var b = 176, result = new Uint8Array(b); - result.set(cipherKey); - for (var j = 16, i = 1; j < b; ++i) { - // RotWord - var t1 = result[j - 3], t2 = result[j - 2], - t3 = result[j - 1], t4 = result[j - 4]; - // SubWord - t1 = s[t1]; - t2 = s[t2]; - t3 = s[t3]; - t4 = s[t4]; - // Rcon - t1 = t1 ^ rcon[i]; - for (var n = 0; n < 4; ++n) { - result[j] = (t1 ^= result[j - 16]); - j++; - result[j] = (t2 ^= result[j - 16]); - j++; - result[j] = (t3 ^= result[j - 16]); - j++; - result[j] = (t4 ^= result[j - 16]); - j++; +class AESBaseCipher { + constructor() { + if (this.constructor === AESBaseCipher) { + unreachable('Cannot initialize AESBaseCipher.'); + } + + this._s = new Uint8Array([ + 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, + 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, + 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, + 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, + 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, + 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, + 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, + 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, + 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, + 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, + 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, + 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, + 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, + 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, + 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, + 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, + 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, + 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, + 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, + 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, + 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, + 0xb0, 0x54, 0xbb, 0x16, + ]); + + this._inv_s = new Uint8Array([ + 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, + 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, + 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, + 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, + 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, + 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, + 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, + 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, + 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, + 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, + 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, + 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, + 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, + 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, + 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, + 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, + 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, + 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, + 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, + 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, + 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, + 0x55, 0x21, 0x0c, 0x7d, + ]); + + this._mix = new Uint32Array([ + 0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, + 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, + 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, + 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, + 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, + 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, + 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, + 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, + 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, + 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, + 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, + 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, + 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, + 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, + 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, + 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, + 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, + 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, + 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, + 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, + 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, + 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, + 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, + 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, + 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, + 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, + 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, + 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, + 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, + 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, + 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, + 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, + 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, + 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, + 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, + 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, + 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, + 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, + 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, + 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, + 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, + 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, + 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3, + ]); + + this._mixCol = new Uint8Array(256); + for (let i = 0; i < 256; i++) { + if (i < 128) { + this._mixCol[i] = i << 1; + } else { + this._mixCol[i] = (i << 1) ^ 0x1b; } } - return result; + + this.buffer = new Uint8Array(16); + this.bufferPosition = 0; + } + + _expandKey(cipherKey) { + unreachable('Cannot call `_expandKey` on the base class'); } - function decrypt128(input, key) { - var state = new Uint8Array(16); + _decrypt(input, key) { + let t, u, v; + let state = new Uint8Array(16); state.set(input); - var i, j, k; - var t, u, v; + // AddRoundKey - for (j = 0, k = 160; j < 16; ++j, ++k) { + for (let j = 0, k = this._keySize; j < 16; ++j, ++k) { state[j] ^= key[k]; } - for (i = 9; i >= 1; --i) { + for (let i = this._cyclesOfRepetition - 1; i >= 1; --i) { // InvShiftRows t = state[13]; state[13] = state[9]; @@ -812,19 +778,21 @@ var AES128Cipher = (function AES128CipherClosure() { state[7] = u; state[3] = v; // InvSubBytes - for (j = 0; j < 16; ++j) { - state[j] = inv_s[state[j]]; + for (let j = 0; j < 16; ++j) { + state[j] = this._inv_s[state[j]]; } // AddRoundKey - for (j = 0, k = i * 16; j < 16; ++j, ++k) { + for (let j = 0, k = i * 16; j < 16; ++j, ++k) { state[j] ^= key[k]; } // InvMixColumns - for (j = 0; j < 16; j += 4) { - var s0 = mix[state[j]], s1 = mix[state[j + 1]], - s2 = mix[state[j + 2]], s3 = mix[state[j + 3]]; + for (let j = 0; j < 16; j += 4) { + let s0 = this._mix[state[j]]; + let s1 = this._mix[state[j + 1]]; + let s2 = this._mix[state[j + 2]]; + let s3 = this._mix[state[j + 3]]; t = (s0 ^ (s1 >>> 8) ^ (s1 << 24) ^ (s2 >>> 16) ^ (s2 << 16) ^ - (s3 >>> 24) ^ (s3 << 8)); + (s3 >>> 24) ^ (s3 << 8)); state[j] = (t >>> 24) & 0xFF; state[j + 1] = (t >> 16) & 0xFF; state[j + 2] = (t >> 8) & 0xFF; @@ -850,27 +818,30 @@ var AES128Cipher = (function AES128CipherClosure() { state[11] = t; state[7] = u; state[3] = v; - for (j = 0; j < 16; ++j) { + for (let j = 0; j < 16; ++j) { // InvSubBytes - state[j] = inv_s[state[j]]; + state[j] = this._inv_s[state[j]]; // AddRoundKey state[j] ^= key[j]; } return state; } - function encrypt128(input, key) { - var t, u, v, j, k; - var state = new Uint8Array(16); + _encrypt(input, key) { + const s = this._s; + + let t, u, v; + let state = new Uint8Array(16); state.set(input); - for (j = 0; j < 16; ++j) { + + for (let j = 0; j < 16; ++j) { // AddRoundKey state[j] ^= key[j]; } - for (i = 1; i < 10; i++) { + for (let i = 1; i < this._cyclesOfRepetition; i++) { // SubBytes - for (j = 0; j < 16; ++j) { + for (let j = 0; j < 16; ++j) { state[j] = s[state[j]]; } // ShiftRows @@ -893,23 +864,25 @@ var AES128Cipher = (function AES128CipherClosure() { state[11] = u; state[15] = t; // MixColumns - for (j = 0; j < 16; j += 4) { - var s0 = state[j + 0], s1 = state[j + 1]; - var s2 = state[j + 2], s3 = state[j + 3]; + for (let j = 0; j < 16; j += 4) { + let s0 = state[j + 0]; + let s1 = state[j + 1]; + let s2 = state[j + 2]; + let s3 = state[j + 3]; t = s0 ^ s1 ^ s2 ^ s3; - state[j + 0] ^= t ^ mixCol[s0 ^ s1]; - state[j + 1] ^= t ^ mixCol[s1 ^ s2]; - state[j + 2] ^= t ^ mixCol[s2 ^ s3]; - state[j + 3] ^= t ^ mixCol[s3 ^ s0]; + state[j + 0] ^= t ^ this._mixCol[s0 ^ s1]; + state[j + 1] ^= t ^ this._mixCol[s1 ^ s2]; + state[j + 2] ^= t ^ this._mixCol[s2 ^ s3]; + state[j + 3] ^= t ^ this._mixCol[s3 ^ s0]; } // AddRoundKey - for (j = 0, k = i * 16; j < 16; ++j, ++k) { + for (let j = 0, k = i * 16; j < 16; ++j, ++k) { state[j] ^= key[k]; } } // SubBytes - for (j = 0; j < 16; ++j) { + for (let j = 0; j < 16; ++j) { state[j] = s[state[j]]; } // ShiftRows @@ -932,32 +905,27 @@ var AES128Cipher = (function AES128CipherClosure() { state[11] = u; state[15] = t; // AddRoundKey - for (j = 0, k = 160; j < 16; ++j, ++k) { + for (let j = 0, k = this._keySize; j < 16; ++j, ++k) { state[j] ^= key[k]; } return state; } - function AES128Cipher(key) { - this.key = expandKey128(key); - this.buffer = new Uint8Array(16); - this.bufferPosition = 0; - } + _decryptBlock2(data, finalize) { + let sourceLength = data.length; + let buffer = this.buffer, bufferLength = this.bufferPosition; + let result = [], iv = this.iv; - function decryptBlock2(data, finalize) { - var i, j, ii, sourceLength = data.length, - buffer = this.buffer, bufferLength = this.bufferPosition, - result = [], iv = this.iv; - for (i = 0; i < sourceLength; ++i) { + for (let i = 0; i < sourceLength; ++i) { buffer[bufferLength] = data[i]; ++bufferLength; if (bufferLength < 16) { continue; } // buffer is full, decrypting - var plain = decrypt128(buffer, this.key); + let plain = this._decrypt(buffer, this._key); // xor-ing the IV vector to get plain text - for (j = 0; j < 16; ++j) { + for (let j = 0; j < 16; ++j) { plain[j] ^= iv[j]; } iv = buffer; @@ -970,16 +938,16 @@ var AES128Cipher = (function AES128CipherClosure() { this.bufferLength = bufferLength; this.iv = iv; if (result.length === 0) { - return new Uint8Array([]); + return new Uint8Array(0); } // combining plain text blocks into one - var outputLength = 16 * result.length; + let outputLength = 16 * result.length; if (finalize) { // undo a padding that is described in RFC 2898 - var lastBlock = result[result.length - 1]; - var psLen = lastBlock[15]; + let lastBlock = result[result.length - 1]; + let psLen = lastBlock[15]; if (psLen <= 16) { - for (i = 15, ii = 16 - psLen; i >= ii; --i) { + for (let i = 15, ii = 16 - psLen; i >= ii; --i) { if (lastBlock[i] !== psLen) { // Invalid padding, assume that the block has no padding. psLen = 0; @@ -990,186 +958,172 @@ var AES128Cipher = (function AES128CipherClosure() { result[result.length - 1] = lastBlock.subarray(0, 16 - psLen); } } - var output = new Uint8Array(outputLength); - for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + let output = new Uint8Array(outputLength); + for (let i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { output.set(result[i], j); } return output; } - AES128Cipher.prototype = { - decryptBlock: function AES128Cipher_decryptBlock(data, finalize) { - var i, sourceLength = data.length; - var buffer = this.buffer, bufferLength = this.bufferPosition; - // waiting for IV values -- they are at the start of the stream - for (i = 0; bufferLength < 16 && i < sourceLength; ++i, ++bufferLength) { + decryptBlock(data, finalize, iv = null) { + let sourceLength = data.length; + let buffer = this.buffer, bufferLength = this.bufferPosition; + // If an IV is not supplied, wait for IV values. They are at the start + // of the stream. + if (iv) { + this.iv = iv; + } else { + for (let i = 0; bufferLength < 16 && i < sourceLength; + ++i, ++bufferLength) { buffer[bufferLength] = data[i]; } - if (bufferLength < 16) { - // need more data + if (bufferLength < 16) { // Need more data. this.bufferLength = bufferLength; - return new Uint8Array([]); + return new Uint8Array(0); } this.iv = buffer; - this.buffer = new Uint8Array(16); - this.bufferLength = 0; - // starting decryption - this.decryptBlock = decryptBlock2; - return this.decryptBlock(data.subarray(16), finalize); - }, - encrypt: function AES128Cipher_encrypt(data, iv) { - var i, j, ii, sourceLength = data.length, - buffer = this.buffer, bufferLength = this.bufferPosition, - result = []; - if (!iv) { - iv = new Uint8Array(16); - } - for (i = 0; i < sourceLength; ++i) { - buffer[bufferLength] = data[i]; - ++bufferLength; - if (bufferLength < 16) { - continue; - } - for (j = 0; j < 16; ++j) { - buffer[j] ^= iv[j]; - } + data = data.subarray(16); + } + this.buffer = new Uint8Array(16); + this.bufferLength = 0; + // starting decryption + this.decryptBlock = this._decryptBlock2; + return this.decryptBlock(data, finalize); + } - // buffer is full, encrypting - var cipher = encrypt128(buffer, this.key); - iv = cipher; - result.push(cipher); - buffer = new Uint8Array(16); - bufferLength = 0; - } - // saving incomplete buffer - this.buffer = buffer; - this.bufferLength = bufferLength; - this.iv = iv; - if (result.length === 0) { - return new Uint8Array([]); + encrypt(data, iv) { + let sourceLength = data.length; + let buffer = this.buffer, bufferLength = this.bufferPosition; + let result = []; + + if (!iv) { + iv = new Uint8Array(16); + } + for (let i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; } - // combining plain text blocks into one - var outputLength = 16 * result.length; - var output = new Uint8Array(outputLength); - for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { - output.set(result[i], j); + for (let j = 0; j < 16; ++j) { + buffer[j] ^= iv[j]; } - return output; - }, - }; - return AES128Cipher; -})(); + // buffer is full, encrypting + let cipher = this._encrypt(buffer, this._key); + iv = cipher; + result.push(cipher); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array(0); + } + // combining plain text blocks into one + let outputLength = 16 * result.length; + let output = new Uint8Array(outputLength); + for (let i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + } +} + +class AES128Cipher extends AESBaseCipher { + constructor(key) { + super(); + + this._cyclesOfRepetition = 10; + this._keySize = 160; // bits + + this._rcon = new Uint8Array([ + 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, + 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, + 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, + 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, + 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, + 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, + 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, + 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, + 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, + 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, + 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, + 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, + 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, + 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, + 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, + 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, + 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, + 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, + 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, + 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, + 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, + 0x74, 0xe8, 0xcb, 0x8d, + ]); -var AES256Cipher = (function AES256CipherClosure() { - var s = new Uint8Array([ - 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, - 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, - 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, - 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, - 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, - 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, - 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, - 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, - 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, - 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, - 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, - 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, - 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, - 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, - 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, - 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, - 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, - 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, - 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, - 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, - 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, - 0xb0, 0x54, 0xbb, 0x16]); - - var inv_s = new Uint8Array([ - 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, - 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, - 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, - 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, - 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, - 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, - 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, - 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, - 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, - 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, - 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, - 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, - 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, - 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, - 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, - 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, - 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, - 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, - 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, - 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, - 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, - 0x55, 0x21, 0x0c, 0x7d]); - - var mixCol = new Uint8Array(256); - for (var i = 0; i < 256; i++) { - if (i < 128) { - mixCol[i] = i << 1; - } else { - mixCol[i] = (i << 1) ^ 0x1b; + this._key = this._expandKey(key); + } + + _expandKey(cipherKey) { + const b = 176; + const s = this._s; + const rcon = this._rcon; + + let result = new Uint8Array(b); + result.set(cipherKey); + + for (let j = 16, i = 1; j < b; ++i) { + // RotWord + let t1 = result[j - 3]; + let t2 = result[j - 2]; + let t3 = result[j - 1]; + let t4 = result[j - 4]; + // SubWord + t1 = s[t1]; + t2 = s[t2]; + t3 = s[t3]; + t4 = s[t4]; + // Rcon + t1 = t1 ^ rcon[i]; + for (let n = 0; n < 4; ++n) { + result[j] = (t1 ^= result[j - 16]); + j++; + result[j] = (t2 ^= result[j - 16]); + j++; + result[j] = (t3 ^= result[j - 16]); + j++; + result[j] = (t4 ^= result[j - 16]); + j++; + } } + return result; } - var mix = new Uint32Array([ - 0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, - 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, - 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, - 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, - 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, - 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, - 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, - 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, - 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, - 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, - 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, - 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, - 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, - 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, - 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, - 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, - 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, - 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, - 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, - 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, - 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, - 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, - 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, - 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, - 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, - 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, - 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, - 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, - 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, - 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, - 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, - 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, - 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, - 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, - 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, - 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, - 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, - 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, - 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, - 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, - 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, - 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, - 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3]); - - function expandKey256(cipherKey) { - var b = 240, result = new Uint8Array(b); - var r = 1; +} + +class AES256Cipher extends AESBaseCipher { + constructor(key) { + super(); + + this._cyclesOfRepetition = 14; + this._keySize = 224; // bits + this._key = this._expandKey(key); + } + + _expandKey(cipherKey) { + const b = 240; + const s = this._s; + + let result = new Uint8Array(b); result.set(cipherKey); - for (var j = 32, i = 1; j < b; ++i) { - var t1, t2, t3, t4; + + let r = 1; + let t1, t2, t3, t4; + for (let j = 32, i = 1; j < b; ++i) { if (j % 32 === 16) { t1 = s[t1]; t2 = s[t2]; @@ -1193,7 +1147,7 @@ var AES256Cipher = (function AES256CipherClosure() { } } - for (var n = 0; n < 4; ++n) { + for (let n = 0; n < 4; ++n) { result[j] = (t1 ^= result[j - 32]); j++; result[j] = (t2 ^= result[j - 32]); @@ -1206,295 +1160,7 @@ var AES256Cipher = (function AES256CipherClosure() { } return result; } - - function decrypt256(input, key) { - var state = new Uint8Array(16); - state.set(input); - var i, j, k; - var t, u, v; - // AddRoundKey - for (j = 0, k = 224; j < 16; ++j, ++k) { - state[j] ^= key[k]; - } - for (i = 13; i >= 1; --i) { - // InvShiftRows - t = state[13]; - state[13] = state[9]; - state[9] = state[5]; - state[5] = state[1]; - state[1] = t; - t = state[14]; - u = state[10]; - state[14] = state[6]; - state[10] = state[2]; - state[6] = t; - state[2] = u; - t = state[15]; - u = state[11]; - v = state[7]; - state[15] = state[3]; - state[11] = t; - state[7] = u; - state[3] = v; - // InvSubBytes - for (j = 0; j < 16; ++j) { - state[j] = inv_s[state[j]]; - } - // AddRoundKey - for (j = 0, k = i * 16; j < 16; ++j, ++k) { - state[j] ^= key[k]; - } - // InvMixColumns - for (j = 0; j < 16; j += 4) { - var s0 = mix[state[j]], s1 = mix[state[j + 1]], - s2 = mix[state[j + 2]], s3 = mix[state[j + 3]]; - t = (s0 ^ (s1 >>> 8) ^ (s1 << 24) ^ (s2 >>> 16) ^ (s2 << 16) ^ - (s3 >>> 24) ^ (s3 << 8)); - state[j] = (t >>> 24) & 0xFF; - state[j + 1] = (t >> 16) & 0xFF; - state[j + 2] = (t >> 8) & 0xFF; - state[j + 3] = t & 0xFF; - } - } - // InvShiftRows - t = state[13]; - state[13] = state[9]; - state[9] = state[5]; - state[5] = state[1]; - state[1] = t; - t = state[14]; - u = state[10]; - state[14] = state[6]; - state[10] = state[2]; - state[6] = t; - state[2] = u; - t = state[15]; - u = state[11]; - v = state[7]; - state[15] = state[3]; - state[11] = t; - state[7] = u; - state[3] = v; - for (j = 0; j < 16; ++j) { - // InvSubBytes - state[j] = inv_s[state[j]]; - // AddRoundKey - state[j] ^= key[j]; - } - return state; - } - - function encrypt256(input, key) { - var t, u, v, i, j, k; - var state = new Uint8Array(16); - state.set(input); - for (j = 0; j < 16; ++j) { - // AddRoundKey - state[j] ^= key[j]; - } - - for (i = 1; i < 14; i++) { - // SubBytes - for (j = 0; j < 16; ++j) { - state[j] = s[state[j]]; - } - // ShiftRows - v = state[1]; - state[1] = state[5]; - state[5] = state[9]; - state[9] = state[13]; - state[13] = v; - v = state[2]; - u = state[6]; - state[2] = state[10]; - state[6] = state[14]; - state[10] = v; - state[14] = u; - v = state[3]; - u = state[7]; - t = state[11]; - state[3] = state[15]; - state[7] = v; - state[11] = u; - state[15] = t; - // MixColumns - for (j = 0; j < 16; j += 4) { - var s0 = state[j + 0], s1 = state[j + 1]; - var s2 = state[j + 2], s3 = state[j + 3]; - t = s0 ^ s1 ^ s2 ^ s3; - state[j + 0] ^= t ^ mixCol[s0 ^ s1]; - state[j + 1] ^= t ^ mixCol[s1 ^ s2]; - state[j + 2] ^= t ^ mixCol[s2 ^ s3]; - state[j + 3] ^= t ^ mixCol[s3 ^ s0]; - } - // AddRoundKey - for (j = 0, k = i * 16; j < 16; ++j, ++k) { - state[j] ^= key[k]; - } - } - - // SubBytes - for (j = 0; j < 16; ++j) { - state[j] = s[state[j]]; - } - // ShiftRows - v = state[1]; - state[1] = state[5]; - state[5] = state[9]; - state[9] = state[13]; - state[13] = v; - v = state[2]; - u = state[6]; - state[2] = state[10]; - state[6] = state[14]; - state[10] = v; - state[14] = u; - v = state[3]; - u = state[7]; - t = state[11]; - state[3] = state[15]; - state[7] = v; - state[11] = u; - state[15] = t; - // AddRoundKey - for (j = 0, k = 224; j < 16; ++j, ++k) { - state[j] ^= key[k]; - } - - return state; - - } - - function AES256Cipher(key) { - this.key = expandKey256(key); - this.buffer = new Uint8Array(16); - this.bufferPosition = 0; - } - - function decryptBlock2(data, finalize) { - var i, j, ii, sourceLength = data.length, - buffer = this.buffer, bufferLength = this.bufferPosition, - result = [], iv = this.iv; - - for (i = 0; i < sourceLength; ++i) { - buffer[bufferLength] = data[i]; - ++bufferLength; - if (bufferLength < 16) { - continue; - } - // buffer is full, decrypting - var plain = decrypt256(buffer, this.key); - // xor-ing the IV vector to get plain text - for (j = 0; j < 16; ++j) { - plain[j] ^= iv[j]; - } - iv = buffer; - result.push(plain); - buffer = new Uint8Array(16); - bufferLength = 0; - } - // saving incomplete buffer - this.buffer = buffer; - this.bufferLength = bufferLength; - this.iv = iv; - if (result.length === 0) { - return new Uint8Array([]); - } - // combining plain text blocks into one - var outputLength = 16 * result.length; - if (finalize) { - // undo a padding that is described in RFC 2898 - var lastBlock = result[result.length - 1]; - var psLen = lastBlock[15]; - if (psLen <= 16) { - for (i = 15, ii = 16 - psLen; i >= ii; --i) { - if (lastBlock[i] !== psLen) { - // Invalid padding, assume that the block has no padding. - psLen = 0; - break; - } - } - outputLength -= psLen; - result[result.length - 1] = lastBlock.subarray(0, 16 - psLen); - } - } - var output = new Uint8Array(outputLength); - for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { - output.set(result[i], j); - } - return output; - - } - - AES256Cipher.prototype = { - decryptBlock: function AES256Cipher_decryptBlock(data, finalize, iv) { - var i, sourceLength = data.length; - var buffer = this.buffer, bufferLength = this.bufferPosition; - // if not supplied an IV wait for IV values - // they are at the start of the stream - if (iv) { - this.iv = iv; - } else { - for (i = 0; bufferLength < 16 && - i < sourceLength; ++i, ++bufferLength) { - buffer[bufferLength] = data[i]; - } - if (bufferLength < 16) { // Need more data. - this.bufferLength = bufferLength; - return new Uint8Array([]); - } - this.iv = buffer; - data = data.subarray(16); - } - this.buffer = new Uint8Array(16); - this.bufferLength = 0; - // starting decryption - this.decryptBlock = decryptBlock2; - return this.decryptBlock(data, finalize); - }, - encrypt: function AES256Cipher_encrypt(data, iv) { - var i, j, ii, sourceLength = data.length, - buffer = this.buffer, bufferLength = this.bufferPosition, - result = []; - if (!iv) { - iv = new Uint8Array(16); - } - for (i = 0; i < sourceLength; ++i) { - buffer[bufferLength] = data[i]; - ++bufferLength; - if (bufferLength < 16) { - continue; - } - for (j = 0; j < 16; ++j) { - buffer[j] ^= iv[j]; - } - - // buffer is full, encrypting - var cipher = encrypt256(buffer, this.key); - this.iv = cipher; - result.push(cipher); - buffer = new Uint8Array(16); - bufferLength = 0; - } - // saving incomplete buffer - this.buffer = buffer; - this.bufferLength = bufferLength; - this.iv = iv; - if (result.length === 0) { - return new Uint8Array([]); - } - // combining plain text blocks into one - var outputLength = 16 * result.length; - var output = new Uint8Array(outputLength); - for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { - output.set(result[i], j); - } - return output; - }, - }; - - return AES256Cipher; -})(); +} var PDF17 = (function PDF17Closure() {