1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/build/pgo/js-input/crypto-aes.html Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,472 @@ 1.4 +<!DOCTYPE html> 1.5 +<head> 1.6 +<!-- 1.7 + Copyright (C) 2007 Apple Inc. All rights reserved. 1.8 + 1.9 + Redistribution and use in source and binary forms, with or without 1.10 + modification, are permitted provided that the following conditions 1.11 + are met: 1.12 + 1. Redistributions of source code must retain the above copyright 1.13 + notice, this list of conditions and the following disclaimer. 1.14 + 2. Redistributions in binary form must reproduce the above copyright 1.15 + notice, this list of conditions and the following disclaimer in the 1.16 + documentation and/or other materials provided with the distribution. 1.17 + 1.18 + THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 1.19 + EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1.20 + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 1.21 + PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 1.22 + CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 1.23 + EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 1.24 + PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 1.25 + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 1.26 + OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 1.27 + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 1.28 + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 1.29 +--> 1.30 + 1.31 +<title>SunSpider crypto-aes</title> 1.32 + 1.33 +</head> 1.34 + 1.35 +<body> 1.36 +<h3>crypto-aes</h3> 1.37 +<div id="console"> 1.38 +</div> 1.39 + 1.40 +<script> 1.41 + 1.42 +var _sunSpiderStartDate = new Date(); 1.43 + 1.44 +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ 1.45 + 1.46 +/* 1.47 + * AES Cipher function: encrypt 'input' with Rijndael algorithm 1.48 + * 1.49 + * takes byte-array 'input' (16 bytes) 1.50 + * 2D byte-array key schedule 'w' (Nr+1 x Nb bytes) 1.51 + * 1.52 + * applies Nr rounds (10/12/14) using key schedule w for 'add round key' stage 1.53 + * 1.54 + * returns byte-array encrypted value (16 bytes) 1.55 + */ 1.56 +function Cipher(input, w) { // main Cipher function [§5.1] 1.57 + var Nb = 4; // block size (in words): no of columns in state (fixed at 4 for AES) 1.58 + var Nr = w.length/Nb - 1; // no of rounds: 10/12/14 for 128/192/256-bit keys 1.59 + 1.60 + var state = [[],[],[],[]]; // initialise 4xNb byte-array 'state' with input [§3.4] 1.61 + for (var i=0; i<4*Nb; i++) state[i%4][Math.floor(i/4)] = input[i]; 1.62 + 1.63 + state = AddRoundKey(state, w, 0, Nb); 1.64 + 1.65 + for (var round=1; round<Nr; round++) { 1.66 + state = SubBytes(state, Nb); 1.67 + state = ShiftRows(state, Nb); 1.68 + state = MixColumns(state, Nb); 1.69 + state = AddRoundKey(state, w, round, Nb); 1.70 + } 1.71 + 1.72 + state = SubBytes(state, Nb); 1.73 + state = ShiftRows(state, Nb); 1.74 + state = AddRoundKey(state, w, Nr, Nb); 1.75 + 1.76 + var output = new Array(4*Nb); // convert state to 1-d array before returning [§3.4] 1.77 + for (var i=0; i<4*Nb; i++) output[i] = state[i%4][Math.floor(i/4)]; 1.78 + return output; 1.79 +} 1.80 + 1.81 + 1.82 +function SubBytes(s, Nb) { // apply SBox to state S [§5.1.1] 1.83 + for (var r=0; r<4; r++) { 1.84 + for (var c=0; c<Nb; c++) s[r][c] = Sbox[s[r][c]]; 1.85 + } 1.86 + return s; 1.87 +} 1.88 + 1.89 + 1.90 +function ShiftRows(s, Nb) { // shift row r of state S left by r bytes [§5.1.2] 1.91 + var t = new Array(4); 1.92 + for (var r=1; r<4; r++) { 1.93 + for (var c=0; c<4; c++) t[c] = s[r][(c+r)%Nb]; // shift into temp copy 1.94 + for (var c=0; c<4; c++) s[r][c] = t[c]; // and copy back 1.95 + } // note that this will work for Nb=4,5,6, but not 7,8 (always 4 for AES): 1.96 + return s; // see fp.gladman.plus.com/cryptography_technology/rijndael/aes.spec.311.pdf 1.97 +} 1.98 + 1.99 + 1.100 +function MixColumns(s, Nb) { // combine bytes of each col of state S [§5.1.3] 1.101 + for (var c=0; c<4; c++) { 1.102 + var a = new Array(4); // 'a' is a copy of the current column from 's' 1.103 + var b = new Array(4); // 'b' is a•{02} in GF(2^8) 1.104 + for (var i=0; i<4; i++) { 1.105 + a[i] = s[i][c]; 1.106 + b[i] = s[i][c]&0x80 ? s[i][c]<<1 ^ 0x011b : s[i][c]<<1; 1.107 + } 1.108 + // a[n] ^ b[n] is a•{03} in GF(2^8) 1.109 + s[0][c] = b[0] ^ a[1] ^ b[1] ^ a[2] ^ a[3]; // 2*a0 + 3*a1 + a2 + a3 1.110 + s[1][c] = a[0] ^ b[1] ^ a[2] ^ b[2] ^ a[3]; // a0 * 2*a1 + 3*a2 + a3 1.111 + s[2][c] = a[0] ^ a[1] ^ b[2] ^ a[3] ^ b[3]; // a0 + a1 + 2*a2 + 3*a3 1.112 + s[3][c] = a[0] ^ b[0] ^ a[1] ^ a[2] ^ b[3]; // 3*a0 + a1 + a2 + 2*a3 1.113 + } 1.114 + return s; 1.115 +} 1.116 + 1.117 + 1.118 +function AddRoundKey(state, w, rnd, Nb) { // xor Round Key into state S [§5.1.4] 1.119 + for (var r=0; r<4; r++) { 1.120 + for (var c=0; c<Nb; c++) state[r][c] ^= w[rnd*4+c][r]; 1.121 + } 1.122 + return state; 1.123 +} 1.124 + 1.125 + 1.126 +function KeyExpansion(key) { // generate Key Schedule (byte-array Nr+1 x Nb) from Key [§5.2] 1.127 + var Nb = 4; // block size (in words): no of columns in state (fixed at 4 for AES) 1.128 + var Nk = key.length/4 // key length (in words): 4/6/8 for 128/192/256-bit keys 1.129 + var Nr = Nk + 6; // no of rounds: 10/12/14 for 128/192/256-bit keys 1.130 + 1.131 + var w = new Array(Nb*(Nr+1)); 1.132 + var temp = new Array(4); 1.133 + 1.134 + for (var i=0; i<Nk; i++) { 1.135 + var r = [key[4*i], key[4*i+1], key[4*i+2], key[4*i+3]]; 1.136 + w[i] = r; 1.137 + } 1.138 + 1.139 + for (var i=Nk; i<(Nb*(Nr+1)); i++) { 1.140 + w[i] = new Array(4); 1.141 + for (var t=0; t<4; t++) temp[t] = w[i-1][t]; 1.142 + if (i % Nk == 0) { 1.143 + temp = SubWord(RotWord(temp)); 1.144 + for (var t=0; t<4; t++) temp[t] ^= Rcon[i/Nk][t]; 1.145 + } else if (Nk > 6 && i%Nk == 4) { 1.146 + temp = SubWord(temp); 1.147 + } 1.148 + for (var t=0; t<4; t++) w[i][t] = w[i-Nk][t] ^ temp[t]; 1.149 + } 1.150 + 1.151 + return w; 1.152 +} 1.153 + 1.154 +function SubWord(w) { // apply SBox to 4-byte word w 1.155 + for (var i=0; i<4; i++) w[i] = Sbox[w[i]]; 1.156 + return w; 1.157 +} 1.158 + 1.159 +function RotWord(w) { // rotate 4-byte word w left by one byte 1.160 + w[4] = w[0]; 1.161 + for (var i=0; i<4; i++) w[i] = w[i+1]; 1.162 + return w; 1.163 +} 1.164 + 1.165 + 1.166 +// Sbox is pre-computed multiplicative inverse in GF(2^8) used in SubBytes and KeyExpansion [§5.1.1] 1.167 +var Sbox = [0x63,0x7c,0x77,0x7b,0xf2,0x6b,0x6f,0xc5,0x30,0x01,0x67,0x2b,0xfe,0xd7,0xab,0x76, 1.168 + 0xca,0x82,0xc9,0x7d,0xfa,0x59,0x47,0xf0,0xad,0xd4,0xa2,0xaf,0x9c,0xa4,0x72,0xc0, 1.169 + 0xb7,0xfd,0x93,0x26,0x36,0x3f,0xf7,0xcc,0x34,0xa5,0xe5,0xf1,0x71,0xd8,0x31,0x15, 1.170 + 0x04,0xc7,0x23,0xc3,0x18,0x96,0x05,0x9a,0x07,0x12,0x80,0xe2,0xeb,0x27,0xb2,0x75, 1.171 + 0x09,0x83,0x2c,0x1a,0x1b,0x6e,0x5a,0xa0,0x52,0x3b,0xd6,0xb3,0x29,0xe3,0x2f,0x84, 1.172 + 0x53,0xd1,0x00,0xed,0x20,0xfc,0xb1,0x5b,0x6a,0xcb,0xbe,0x39,0x4a,0x4c,0x58,0xcf, 1.173 + 0xd0,0xef,0xaa,0xfb,0x43,0x4d,0x33,0x85,0x45,0xf9,0x02,0x7f,0x50,0x3c,0x9f,0xa8, 1.174 + 0x51,0xa3,0x40,0x8f,0x92,0x9d,0x38,0xf5,0xbc,0xb6,0xda,0x21,0x10,0xff,0xf3,0xd2, 1.175 + 0xcd,0x0c,0x13,0xec,0x5f,0x97,0x44,0x17,0xc4,0xa7,0x7e,0x3d,0x64,0x5d,0x19,0x73, 1.176 + 0x60,0x81,0x4f,0xdc,0x22,0x2a,0x90,0x88,0x46,0xee,0xb8,0x14,0xde,0x5e,0x0b,0xdb, 1.177 + 0xe0,0x32,0x3a,0x0a,0x49,0x06,0x24,0x5c,0xc2,0xd3,0xac,0x62,0x91,0x95,0xe4,0x79, 1.178 + 0xe7,0xc8,0x37,0x6d,0x8d,0xd5,0x4e,0xa9,0x6c,0x56,0xf4,0xea,0x65,0x7a,0xae,0x08, 1.179 + 0xba,0x78,0x25,0x2e,0x1c,0xa6,0xb4,0xc6,0xe8,0xdd,0x74,0x1f,0x4b,0xbd,0x8b,0x8a, 1.180 + 0x70,0x3e,0xb5,0x66,0x48,0x03,0xf6,0x0e,0x61,0x35,0x57,0xb9,0x86,0xc1,0x1d,0x9e, 1.181 + 0xe1,0xf8,0x98,0x11,0x69,0xd9,0x8e,0x94,0x9b,0x1e,0x87,0xe9,0xce,0x55,0x28,0xdf, 1.182 + 0x8c,0xa1,0x89,0x0d,0xbf,0xe6,0x42,0x68,0x41,0x99,0x2d,0x0f,0xb0,0x54,0xbb,0x16]; 1.183 + 1.184 +// Rcon is Round Constant used for the Key Expansion [1st col is 2^(r-1) in GF(2^8)] [§5.2] 1.185 +var Rcon = [ [0x00, 0x00, 0x00, 0x00], 1.186 + [0x01, 0x00, 0x00, 0x00], 1.187 + [0x02, 0x00, 0x00, 0x00], 1.188 + [0x04, 0x00, 0x00, 0x00], 1.189 + [0x08, 0x00, 0x00, 0x00], 1.190 + [0x10, 0x00, 0x00, 0x00], 1.191 + [0x20, 0x00, 0x00, 0x00], 1.192 + [0x40, 0x00, 0x00, 0x00], 1.193 + [0x80, 0x00, 0x00, 0x00], 1.194 + [0x1b, 0x00, 0x00, 0x00], 1.195 + [0x36, 0x00, 0x00, 0x00] ]; 1.196 + 1.197 + 1.198 +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ 1.199 + 1.200 +/* 1.201 + * Use AES to encrypt 'plaintext' with 'password' using 'nBits' key, in 'Counter' mode of operation 1.202 + * - see http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf 1.203 + * for each block 1.204 + * - outputblock = cipher(counter, key) 1.205 + * - cipherblock = plaintext xor outputblock 1.206 + */ 1.207 +function AESEncryptCtr(plaintext, password, nBits) { 1.208 + if (!(nBits==128 || nBits==192 || nBits==256)) return ''; // standard allows 128/192/256 bit keys 1.209 + 1.210 + // for this example script, generate the key by applying Cipher to 1st 16/24/32 chars of password; 1.211 + // for real-world applications, a more secure approach would be to hash the password e.g. with SHA-1 1.212 + var nBytes = nBits/8; // no bytes in key 1.213 + var pwBytes = new Array(nBytes); 1.214 + for (var i=0; i<nBytes; i++) pwBytes[i] = password.charCodeAt(i) & 0xff; 1.215 + var key = Cipher(pwBytes, KeyExpansion(pwBytes)); 1.216 + key = key.concat(key.slice(0, nBytes-16)); // key is now 16/24/32 bytes long 1.217 + 1.218 + // initialise counter block (NIST SP800-38A §B.2): millisecond time-stamp for nonce in 1st 8 bytes, 1.219 + // block counter in 2nd 8 bytes 1.220 + var blockSize = 16; // block size fixed at 16 bytes / 128 bits (Nb=4) for AES 1.221 + var counterBlock = new Array(blockSize); // block size fixed at 16 bytes / 128 bits (Nb=4) for AES 1.222 + var nonce = (new Date()).getTime(); // milliseconds since 1-Jan-1970 1.223 + 1.224 + // encode nonce in two stages to cater for JavaScript 32-bit limit on bitwise ops 1.225 + for (var i=0; i<4; i++) counterBlock[i] = (nonce >>> i*8) & 0xff; 1.226 + for (var i=0; i<4; i++) counterBlock[i+4] = (nonce/0x100000000 >>> i*8) & 0xff; 1.227 + 1.228 + // generate key schedule - an expansion of the key into distinct Key Rounds for each round 1.229 + var keySchedule = KeyExpansion(key); 1.230 + 1.231 + var blockCount = Math.ceil(plaintext.length/blockSize); 1.232 + var ciphertext = new Array(blockCount); // ciphertext as array of strings 1.233 + 1.234 + for (var b=0; b<blockCount; b++) { 1.235 + // set counter (block #) in last 8 bytes of counter block (leaving nonce in 1st 8 bytes) 1.236 + // again done in two stages for 32-bit ops 1.237 + for (var c=0; c<4; c++) counterBlock[15-c] = (b >>> c*8) & 0xff; 1.238 + for (var c=0; c<4; c++) counterBlock[15-c-4] = (b/0x100000000 >>> c*8) 1.239 + 1.240 + var cipherCntr = Cipher(counterBlock, keySchedule); // -- encrypt counter block -- 1.241 + 1.242 + // calculate length of final block: 1.243 + var blockLength = b<blockCount-1 ? blockSize : (plaintext.length-1)%blockSize+1; 1.244 + 1.245 + var ct = ''; 1.246 + for (var i=0; i<blockLength; i++) { // -- xor plaintext with ciphered counter byte-by-byte -- 1.247 + var plaintextByte = plaintext.charCodeAt(b*blockSize+i); 1.248 + var cipherByte = plaintextByte ^ cipherCntr[i]; 1.249 + ct += String.fromCharCode(cipherByte); 1.250 + } 1.251 + // ct is now ciphertext for this block 1.252 + 1.253 + ciphertext[b] = escCtrlChars(ct); // escape troublesome characters in ciphertext 1.254 + } 1.255 + 1.256 + // convert the nonce to a string to go on the front of the ciphertext 1.257 + var ctrTxt = ''; 1.258 + for (var i=0; i<8; i++) ctrTxt += String.fromCharCode(counterBlock[i]); 1.259 + ctrTxt = escCtrlChars(ctrTxt); 1.260 + 1.261 + // use '-' to separate blocks, use Array.join to concatenate arrays of strings for efficiency 1.262 + return ctrTxt + '-' + ciphertext.join('-'); 1.263 +} 1.264 + 1.265 + 1.266 +/* 1.267 + * Use AES to decrypt 'ciphertext' with 'password' using 'nBits' key, in Counter mode of operation 1.268 + * 1.269 + * for each block 1.270 + * - outputblock = cipher(counter, key) 1.271 + * - cipherblock = plaintext xor outputblock 1.272 + */ 1.273 +function AESDecryptCtr(ciphertext, password, nBits) { 1.274 + if (!(nBits==128 || nBits==192 || nBits==256)) return ''; // standard allows 128/192/256 bit keys 1.275 + 1.276 + var nBytes = nBits/8; // no bytes in key 1.277 + var pwBytes = new Array(nBytes); 1.278 + for (var i=0; i<nBytes; i++) pwBytes[i] = password.charCodeAt(i) & 0xff; 1.279 + var pwKeySchedule = KeyExpansion(pwBytes); 1.280 + var key = Cipher(pwBytes, pwKeySchedule); 1.281 + key = key.concat(key.slice(0, nBytes-16)); // key is now 16/24/32 bytes long 1.282 + 1.283 + var keySchedule = KeyExpansion(key); 1.284 + 1.285 + ciphertext = ciphertext.split('-'); // split ciphertext into array of block-length strings 1.286 + 1.287 + // recover nonce from 1st element of ciphertext 1.288 + var blockSize = 16; // block size fixed at 16 bytes / 128 bits (Nb=4) for AES 1.289 + var counterBlock = new Array(blockSize); 1.290 + var ctrTxt = unescCtrlChars(ciphertext[0]); 1.291 + for (var i=0; i<8; i++) counterBlock[i] = ctrTxt.charCodeAt(i); 1.292 + 1.293 + var plaintext = new Array(ciphertext.length-1); 1.294 + 1.295 + for (var b=1; b<ciphertext.length; b++) { 1.296 + // set counter (block #) in last 8 bytes of counter block (leaving nonce in 1st 8 bytes) 1.297 + for (var c=0; c<4; c++) counterBlock[15-c] = ((b-1) >>> c*8) & 0xff; 1.298 + for (var c=0; c<4; c++) counterBlock[15-c-4] = ((b/0x100000000-1) >>> c*8) & 0xff; 1.299 + 1.300 + var cipherCntr = Cipher(counterBlock, keySchedule); // encrypt counter block 1.301 + 1.302 + ciphertext[b] = unescCtrlChars(ciphertext[b]); 1.303 + 1.304 + var pt = ''; 1.305 + for (var i=0; i<ciphertext[b].length; i++) { 1.306 + // -- xor plaintext with ciphered counter byte-by-byte -- 1.307 + var ciphertextByte = ciphertext[b].charCodeAt(i); 1.308 + var plaintextByte = ciphertextByte ^ cipherCntr[i]; 1.309 + pt += String.fromCharCode(plaintextByte); 1.310 + } 1.311 + // pt is now plaintext for this block 1.312 + 1.313 + plaintext[b-1] = pt; // b-1 'cos no initial nonce block in plaintext 1.314 + } 1.315 + 1.316 + return plaintext.join(''); 1.317 +} 1.318 + 1.319 +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ 1.320 + 1.321 +function escCtrlChars(str) { // escape control chars which might cause problems handling ciphertext 1.322 + return str.replace(/[\0\t\n\v\f\r\xa0'"!-]/g, function(c) { return '!' + c.charCodeAt(0) + '!'; }); 1.323 +} // \xa0 to cater for bug in Firefox; include '-' to leave it free for use as a block marker 1.324 + 1.325 +function unescCtrlChars(str) { // unescape potentially problematic control characters 1.326 + return str.replace(/!\d\d?\d?!/g, function(c) { return String.fromCharCode(c.slice(1,-1)); }); 1.327 +} 1.328 +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ 1.329 + 1.330 +/* 1.331 + * if escCtrlChars()/unescCtrlChars() still gives problems, use encodeBase64()/decodeBase64() instead 1.332 + */ 1.333 +var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; 1.334 + 1.335 +function encodeBase64(str) { // http://tools.ietf.org/html/rfc4648 1.336 + var o1, o2, o3, h1, h2, h3, h4, bits, i=0, enc=''; 1.337 + 1.338 + str = encodeUTF8(str); // encode multi-byte chars into UTF-8 for byte-array 1.339 + 1.340 + do { // pack three octets into four hexets 1.341 + o1 = str.charCodeAt(i++); 1.342 + o2 = str.charCodeAt(i++); 1.343 + o3 = str.charCodeAt(i++); 1.344 + 1.345 + bits = o1<<16 | o2<<8 | o3; 1.346 + 1.347 + h1 = bits>>18 & 0x3f; 1.348 + h2 = bits>>12 & 0x3f; 1.349 + h3 = bits>>6 & 0x3f; 1.350 + h4 = bits & 0x3f; 1.351 + 1.352 + // end of string? index to '=' in b64 1.353 + if (isNaN(o3)) h4 = 64; 1.354 + if (isNaN(o2)) h3 = 64; 1.355 + 1.356 + // use hexets to index into b64, and append result to encoded string 1.357 + enc += b64.charAt(h1) + b64.charAt(h2) + b64.charAt(h3) + b64.charAt(h4); 1.358 + } while (i < str.length); 1.359 + 1.360 + return enc; 1.361 +} 1.362 + 1.363 +function decodeBase64(str) { 1.364 + var o1, o2, o3, h1, h2, h3, h4, bits, i=0, enc=''; 1.365 + 1.366 + do { // unpack four hexets into three octets using index points in b64 1.367 + h1 = b64.indexOf(str.charAt(i++)); 1.368 + h2 = b64.indexOf(str.charAt(i++)); 1.369 + h3 = b64.indexOf(str.charAt(i++)); 1.370 + h4 = b64.indexOf(str.charAt(i++)); 1.371 + 1.372 + bits = h1<<18 | h2<<12 | h3<<6 | h4; 1.373 + 1.374 + o1 = bits>>16 & 0xff; 1.375 + o2 = bits>>8 & 0xff; 1.376 + o3 = bits & 0xff; 1.377 + 1.378 + if (h3 == 64) enc += String.fromCharCode(o1); 1.379 + else if (h4 == 64) enc += String.fromCharCode(o1, o2); 1.380 + else enc += String.fromCharCode(o1, o2, o3); 1.381 + } while (i < str.length); 1.382 + 1.383 + return decodeUTF8(enc); // decode UTF-8 byte-array back to Unicode 1.384 +} 1.385 + 1.386 +function encodeUTF8(str) { // encode multi-byte string into utf-8 multiple single-byte characters 1.387 + str = str.replace( 1.388 + /[\u0080-\u07ff]/g, // U+0080 - U+07FF = 2-byte chars 1.389 + function(c) { 1.390 + var cc = c.charCodeAt(0); 1.391 + return String.fromCharCode(0xc0 | cc>>6, 0x80 | cc&0x3f); } 1.392 + ); 1.393 + str = str.replace( 1.394 + /[\u0800-\uffff]/g, // U+0800 - U+FFFF = 3-byte chars 1.395 + function(c) { 1.396 + var cc = c.charCodeAt(0); 1.397 + return String.fromCharCode(0xe0 | cc>>12, 0x80 | cc>>6&0x3F, 0x80 | cc&0x3f); } 1.398 + ); 1.399 + return str; 1.400 +} 1.401 + 1.402 +function decodeUTF8(str) { // decode utf-8 encoded string back into multi-byte characters 1.403 + str = str.replace( 1.404 + /[\u00c0-\u00df][\u0080-\u00bf]/g, // 2-byte chars 1.405 + function(c) { 1.406 + var cc = (c.charCodeAt(0)&0x1f)<<6 | c.charCodeAt(1)&0x3f; 1.407 + return String.fromCharCode(cc); } 1.408 + ); 1.409 + str = str.replace( 1.410 + /[\u00e0-\u00ef][\u0080-\u00bf][\u0080-\u00bf]/g, // 3-byte chars 1.411 + function(c) { 1.412 + var cc = (c.charCodeAt(0)&0x0f)<<12 | (c.charCodeAt(1)&0x3f<<6) | c.charCodeAt(2)&0x3f; 1.413 + return String.fromCharCode(cc); } 1.414 + ); 1.415 + return str; 1.416 +} 1.417 + 1.418 + 1.419 +function byteArrayToHexStr(b) { // convert byte array to hex string for displaying test vectors 1.420 + var s = ''; 1.421 + for (var i=0; i<b.length; i++) s += b[i].toString(16) + ' '; 1.422 + return s; 1.423 +} 1.424 + 1.425 +/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ 1.426 + 1.427 + 1.428 +var plainText = "ROMEO: But, soft! what light through yonder window breaks?\n\ 1.429 +It is the east, and Juliet is the sun.\n\ 1.430 +Arise, fair sun, and kill the envious moon,\n\ 1.431 +Who is already sick and pale with grief,\n\ 1.432 +That thou her maid art far more fair than she:\n\ 1.433 +Be not her maid, since she is envious;\n\ 1.434 +Her vestal livery is but sick and green\n\ 1.435 +And none but fools do wear it; cast it off.\n\ 1.436 +It is my lady, O, it is my love!\n\ 1.437 +O, that she knew she were!\n\ 1.438 +She speaks yet she says nothing: what of that?\n\ 1.439 +Her eye discourses; I will answer it.\n\ 1.440 +I am too bold, 'tis not to me she speaks:\n\ 1.441 +Two of the fairest stars in all the heaven,\n\ 1.442 +Having some business, do entreat her eyes\n\ 1.443 +To twinkle in their spheres till they return.\n\ 1.444 +What if her eyes were there, they in her head?\n\ 1.445 +The brightness of her cheek would shame those stars,\n\ 1.446 +As daylight doth a lamp; her eyes in heaven\n\ 1.447 +Would through the airy region stream so bright\n\ 1.448 +That birds would sing and think it were not night.\n\ 1.449 +See, how she leans her cheek upon her hand!\n\ 1.450 +O, that I were a glove upon that hand,\n\ 1.451 +That I might touch that cheek!\n\ 1.452 +JULIET: Ay me!\n\ 1.453 +ROMEO: She speaks:\n\ 1.454 +O, speak again, bright angel! for thou art\n\ 1.455 +As glorious to this night, being o'er my head\n\ 1.456 +As is a winged messenger of heaven\n\ 1.457 +Unto the white-upturned wondering eyes\n\ 1.458 +Of mortals that fall back to gaze on him\n\ 1.459 +When he bestrides the lazy-pacing clouds\n\ 1.460 +And sails upon the bosom of the air."; 1.461 + 1.462 +var password = "O Romeo, Romeo! wherefore art thou Romeo?"; 1.463 + 1.464 +var cipherText = AESEncryptCtr(plainText, password, 256); 1.465 +var decryptedText = AESDecryptCtr(cipherText, password, 256); 1.466 + 1.467 + 1.468 +var _sunSpiderInterval = new Date() - _sunSpiderStartDate; 1.469 + 1.470 +document.getElementById("console").innerHTML = _sunSpiderInterval; 1.471 +</script> 1.472 + 1.473 + 1.474 +</body> 1.475 +</html>