1 /*jslint 2 bitwise: false, 3 browser: true, 4 nomen: false, 5 debug: true, 6 eqeqeq: false, 7 forin: true, 8 laxbreak: true, 9 plusplus: false, 10 newcap: false, 11 undef: false, 12 white: false, 13 onevar: false 14 */ 15 var sc; 16 17 /* 18 We're more lax with JSLint here because this is almost all not our code 19 */ 20 21 /** 22 * Licence 23 * As long as you leave the copyright notice of the original script, or link 24 * back to this website, you can use any of the content published on this 25 * website free of charge for any use: commercial or noncommercial. 26 * http://www.webtoolkit.info/licence.html 27 */ 28 29 30 /** 31 * 32 * Base64 encode / decode 33 * http://www.webtoolkit.info/ 34 * @namespace 35 **/ 36 sc.helpers.Base64 = { 37 38 // private property 39 _keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=", 40 41 /** 42 * public method for encoding 43 * @function 44 * @name sc.helpers.Base64.encode 45 */ 46 encode : function (input) { 47 var output = ""; 48 var chr1, chr2, chr3, enc1, enc2, enc3, enc4; 49 var i = 0; 50 51 input = sc.helpers.Base64._utf8_encode(input); 52 53 while (i < input.length) { 54 55 chr1 = input.charCodeAt(i++); 56 chr2 = input.charCodeAt(i++); 57 chr3 = input.charCodeAt(i++); 58 59 enc1 = chr1 >> 2; 60 enc2 = ((chr1 & 3) << 4) | (chr2 >> 4); 61 enc3 = ((chr2 & 15) << 2) | (chr3 >> 6); 62 enc4 = chr3 & 63; 63 64 if (isNaN(chr2)) { 65 enc3 = enc4 = 64; 66 } else if (isNaN(chr3)) { 67 enc4 = 64; 68 } 69 70 output = output + 71 this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) + 72 this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4); 73 74 } 75 76 return output; 77 }, 78 79 /** 80 * public method for decoding 81 * @function 82 * @name sc.helpers.Base64.decode 83 */ 84 decode : function (input) { 85 var output = ""; 86 var chr1, chr2, chr3; 87 var enc1, enc2, enc3, enc4; 88 var i = 0; 89 90 input = input.replace(/[^A-Za-z0-9\+\/\=]/g, ""); 91 92 while (i < input.length) { 93 94 enc1 = this._keyStr.indexOf(input.charAt(i++)); 95 enc2 = this._keyStr.indexOf(input.charAt(i++)); 96 enc3 = this._keyStr.indexOf(input.charAt(i++)); 97 enc4 = this._keyStr.indexOf(input.charAt(i++)); 98 99 chr1 = (enc1 << 2) | (enc2 >> 4); 100 chr2 = ((enc2 & 15) << 4) | (enc3 >> 2); 101 chr3 = ((enc3 & 3) << 6) | enc4; 102 103 output = output + String.fromCharCode(chr1); 104 105 if (enc3 != 64) { 106 output = output + String.fromCharCode(chr2); 107 } 108 if (enc4 != 64) { 109 output = output + String.fromCharCode(chr3); 110 } 111 112 } 113 114 output = sc.helpers.Base64._utf8_decode(output); 115 116 return output; 117 118 }, 119 120 // private method for UTF-8 encoding 121 _utf8_encode : function (string) { 122 string = string.replace(/\r\n/g,"\n"); 123 var utftext = ""; 124 125 for (var n = 0; n < string.length; n++) { 126 127 var c = string.charCodeAt(n); 128 129 if (c < 128) { 130 utftext += String.fromCharCode(c); 131 } 132 else if((c > 127) && (c < 2048)) { 133 utftext += String.fromCharCode((c >> 6) | 192); 134 utftext += String.fromCharCode((c & 63) | 128); 135 } 136 else { 137 utftext += String.fromCharCode((c >> 12) | 224); 138 utftext += String.fromCharCode(((c >> 6) & 63) | 128); 139 utftext += String.fromCharCode((c & 63) | 128); 140 } 141 142 } 143 144 return utftext; 145 }, 146 147 // private method for UTF-8 decoding 148 _utf8_decode : function (utftext) { 149 var string = ""; 150 var i = 0; 151 var c = 0, c1 = 0, c2 = 0, c3 = 0; 152 153 while ( i < utftext.length ) { 154 155 c = utftext.charCodeAt(i); 156 157 if (c < 128) { 158 string += String.fromCharCode(c); 159 i++; 160 } 161 else if((c > 191) && (c < 224)) { 162 c2 = utftext.charCodeAt(i+1); 163 string += String.fromCharCode(((c & 31) << 6) | (c2 & 63)); 164 i += 2; 165 } 166 else { 167 c2 = utftext.charCodeAt(i+1); 168 c3 = utftext.charCodeAt(i+2); 169 string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63)); 170 i += 3; 171 } 172 173 } 174 175 return string; 176 } 177 178 }; 179 180 181 182 /** 183 * 184 * Javascript crc32 185 * http://www.webtoolkit.info/ 186 * @function 187 **/ 188 sc.helpers.crc32 = function (str) { 189 190 function Utf8Encode(string) { 191 string = string.replace(/\r\n/g,"\n"); 192 var utftext = ""; 193 194 for (var n = 0; n < string.length; n++) { 195 196 var c = string.charCodeAt(n); 197 198 if (c < 128) { 199 utftext += String.fromCharCode(c); 200 } 201 else if((c > 127) && (c < 2048)) { 202 utftext += String.fromCharCode((c >> 6) | 192); 203 utftext += String.fromCharCode((c & 63) | 128); 204 } 205 else { 206 utftext += String.fromCharCode((c >> 12) | 224); 207 utftext += String.fromCharCode(((c >> 6) & 63) | 128); 208 utftext += String.fromCharCode((c & 63) | 128); 209 } 210 211 } 212 213 return utftext; 214 } 215 216 str = Utf8Encode(str); 217 218 var table = "00000000 77073096 EE0E612C 990951BA 076DC419 706AF48F E963A535 9E6495A3 0EDB8832 79DCB8A4 E0D5E91E 97D2D988 09B64C2B 7EB17CBD E7B82D07 90BF1D91 1DB71064 6AB020F2 F3B97148 84BE41DE 1ADAD47D 6DDDE4EB F4D4B551 83D385C7 136C9856 646BA8C0 FD62F97A 8A65C9EC 14015C4F 63066CD9 FA0F3D63 8D080DF5 3B6E20C8 4C69105E D56041E4 A2677172 3C03E4D1 4B04D447 D20D85FD A50AB56B 35B5A8FA 42B2986C DBBBC9D6 ACBCF940 32D86CE3 45DF5C75 DCD60DCF ABD13D59 26D930AC 51DE003A C8D75180 BFD06116 21B4F4B5 56B3C423 CFBA9599 B8BDA50F 2802B89E 5F058808 C60CD9B2 B10BE924 2F6F7C87 58684C11 C1611DAB B6662D3D 76DC4190 01DB7106 98D220BC EFD5102A 71B18589 06B6B51F 9FBFE4A5 E8B8D433 7807C9A2 0F00F934 9609A88E E10E9818 7F6A0DBB 086D3D2D 91646C97 E6635C01 6B6B51F4 1C6C6162 856530D8 F262004E 6C0695ED 1B01A57B 8208F4C1 F50FC457 65B0D9C6 12B7E950 8BBEB8EA FCB9887C 62DD1DDF 15DA2D49 8CD37CF3 FBD44C65 4DB26158 3AB551CE A3BC0074 D4BB30E2 4ADFA541 3DD895D7 A4D1C46D D3D6F4FB 4369E96A 346ED9FC AD678846 DA60B8D0 44042D73 33031DE5 AA0A4C5F DD0D7CC9 5005713C 270241AA BE0B1010 C90C2086 5768B525 206F85B3 B966D409 CE61E49F 5EDEF90E 29D9C998 B0D09822 C7D7A8B4 59B33D17 2EB40D81 B7BD5C3B C0BA6CAD EDB88320 9ABFB3B6 03B6E20C 74B1D29A EAD54739 9DD277AF 04DB2615 73DC1683 E3630B12 94643B84 0D6D6A3E 7A6A5AA8 E40ECF0B 9309FF9D 0A00AE27 7D079EB1 F00F9344 8708A3D2 1E01F268 6906C2FE F762575D 806567CB 196C3671 6E6B06E7 FED41B76 89D32BE0 10DA7A5A 67DD4ACC F9B9DF6F 8EBEEFF9 17B7BE43 60B08ED5 D6D6A3E8 A1D1937E 38D8C2C4 4FDFF252 D1BB67F1 A6BC5767 3FB506DD 48B2364B D80D2BDA AF0A1B4C 36034AF6 41047A60 DF60EFC3 A867DF55 316E8EEF 4669BE79 CB61B38C BC66831A 256FD2A0 5268E236 CC0C7795 BB0B4703 220216B9 5505262F C5BA3BBE B2BD0B28 2BB45A92 5CB36A04 C2D7FFA7 B5D0CF31 2CD99E8B 5BDEAE1D 9B64C2B0 EC63F226 756AA39C 026D930A 9C0906A9 EB0E363F 72076785 05005713 95BF4A82 E2B87A14 7BB12BAE 0CB61B38 92D28E9B E5D5BE0D 7CDCEFB7 0BDBDF21 86D3D2D4 F1D4E242 68DDB3F8 1FDA836E 81BE16CD F6B9265B 6FB077E1 18B74777 88085AE6 FF0F6A70 66063BCA 11010B5C 8F659EFF F862AE69 616BFFD3 166CCF45 A00AE278 D70DD2EE 4E048354 3903B3C2 A7672661 D06016F7 4969474D 3E6E77DB AED16A4A D9D65ADC 40DF0B66 37D83BF0 A9BCAE53 DEBB9EC5 47B2CF7F 30B5FFE9 BDBDF21C CABAC28A 53B39330 24B4A3A6 BAD03605 CDD70693 54DE5729 23D967BF B3667A2E C4614AB8 5D681B02 2A6F2B94 B40BBE37 C30C8EA1 5A05DF1B 2D02EF8D"; 219 220 if (typeof(crc) == "undefined") { crc = 0; } 221 var x = 0; 222 var y = 0; 223 224 crc = crc ^ (-1); 225 for( var i = 0, iTop = str.length; i < iTop; i++ ) { 226 y = ( crc ^ str.charCodeAt( i ) ) & 0xFF; 227 x = "0x" + table.substr( y * 9, 8 ); 228 crc = ( crc >>> 8 ) ^ x; 229 } 230 231 return crc ^ (-1); 232 233 }; 234 235 236 /** 237 * 238 * MD5 (Message-Digest Algorithm) 239 * http://www.webtoolkit.info/ 240 * @function 241 **/ 242 sc.helpers.MD5 = function (string) { 243 244 function RotateLeft(lValue, iShiftBits) { 245 return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits)); 246 } 247 248 function AddUnsigned(lX,lY) { 249 var lX4,lY4,lX8,lY8,lResult; 250 lX8 = (lX & 0x80000000); 251 lY8 = (lY & 0x80000000); 252 lX4 = (lX & 0x40000000); 253 lY4 = (lY & 0x40000000); 254 lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF); 255 if (lX4 & lY4) { 256 return (lResult ^ 0x80000000 ^ lX8 ^ lY8); 257 } 258 if (lX4 | lY4) { 259 if (lResult & 0x40000000) { 260 return (lResult ^ 0xC0000000 ^ lX8 ^ lY8); 261 } else { 262 return (lResult ^ 0x40000000 ^ lX8 ^ lY8); 263 } 264 } else { 265 return (lResult ^ lX8 ^ lY8); 266 } 267 } 268 269 function F(x,y,z) { return (x & y) | ((~x) & z); } 270 function G(x,y,z) { return (x & z) | (y & (~z)); } 271 function H(x,y,z) { return (x ^ y ^ z); } 272 function I(x,y,z) { return (y ^ (x | (~z))); } 273 274 function FF(a,b,c,d,x,s,ac) { 275 a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac)); 276 return AddUnsigned(RotateLeft(a, s), b); 277 } 278 279 function GG(a,b,c,d,x,s,ac) { 280 a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac)); 281 return AddUnsigned(RotateLeft(a, s), b); 282 } 283 284 function HH(a,b,c,d,x,s,ac) { 285 a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac)); 286 return AddUnsigned(RotateLeft(a, s), b); 287 } 288 289 function II(a,b,c,d,x,s,ac) { 290 a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac)); 291 return AddUnsigned(RotateLeft(a, s), b); 292 } 293 294 function ConvertToWordArray(string) { 295 var lWordCount; 296 var lMessageLength = string.length; 297 var lNumberOfWords_temp1=lMessageLength + 8; 298 var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64; 299 var lNumberOfWords = (lNumberOfWords_temp2+1)*16; 300 var lWordArray=Array(lNumberOfWords-1); 301 var lBytePosition = 0; 302 var lByteCount = 0; 303 while ( lByteCount < lMessageLength ) { 304 lWordCount = (lByteCount-(lByteCount % 4))/4; 305 lBytePosition = (lByteCount % 4)*8; 306 lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<<lBytePosition)); 307 lByteCount++; 308 } 309 lWordCount = (lByteCount-(lByteCount % 4))/4; 310 lBytePosition = (lByteCount % 4)*8; 311 lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition); 312 lWordArray[lNumberOfWords-2] = lMessageLength<<3; 313 lWordArray[lNumberOfWords-1] = lMessageLength>>>29; 314 return lWordArray; 315 } 316 317 function WordToHex(lValue) { 318 var WordToHexValue="",WordToHexValue_temp="",lByte,lCount; 319 for (lCount = 0;lCount<=3;lCount++) { 320 lByte = (lValue>>>(lCount*8)) & 255; 321 WordToHexValue_temp = "0" + lByte.toString(16); 322 WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2); 323 } 324 return WordToHexValue; 325 } 326 327 function Utf8Encode(string) { 328 string = string.replace(/\r\n/g,"\n"); 329 var utftext = ""; 330 331 for (var n = 0; n < string.length; n++) { 332 333 var c = string.charCodeAt(n); 334 335 if (c < 128) { 336 utftext += String.fromCharCode(c); 337 } 338 else if((c > 127) && (c < 2048)) { 339 utftext += String.fromCharCode((c >> 6) | 192); 340 utftext += String.fromCharCode((c & 63) | 128); 341 } 342 else { 343 utftext += String.fromCharCode((c >> 12) | 224); 344 utftext += String.fromCharCode(((c >> 6) & 63) | 128); 345 utftext += String.fromCharCode((c & 63) | 128); 346 } 347 348 } 349 350 return utftext; 351 } 352 353 var x=Array(); 354 var k,AA,BB,CC,DD,a,b,c,d; 355 var S11=7, S12=12, S13=17, S14=22; 356 var S21=5, S22=9 , S23=14, S24=20; 357 var S31=4, S32=11, S33=16, S34=23; 358 var S41=6, S42=10, S43=15, S44=21; 359 360 string = Utf8Encode(string); 361 362 x = ConvertToWordArray(string); 363 364 a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476; 365 366 for (k=0;k<x.length;k+=16) { 367 AA=a; BB=b; CC=c; DD=d; 368 a=FF(a,b,c,d,x[k+0], S11,0xD76AA478); 369 d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756); 370 c=FF(c,d,a,b,x[k+2], S13,0x242070DB); 371 b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE); 372 a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF); 373 d=FF(d,a,b,c,x[k+5], S12,0x4787C62A); 374 c=FF(c,d,a,b,x[k+6], S13,0xA8304613); 375 b=FF(b,c,d,a,x[k+7], S14,0xFD469501); 376 a=FF(a,b,c,d,x[k+8], S11,0x698098D8); 377 d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF); 378 c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1); 379 b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE); 380 a=FF(a,b,c,d,x[k+12],S11,0x6B901122); 381 d=FF(d,a,b,c,x[k+13],S12,0xFD987193); 382 c=FF(c,d,a,b,x[k+14],S13,0xA679438E); 383 b=FF(b,c,d,a,x[k+15],S14,0x49B40821); 384 a=GG(a,b,c,d,x[k+1], S21,0xF61E2562); 385 d=GG(d,a,b,c,x[k+6], S22,0xC040B340); 386 c=GG(c,d,a,b,x[k+11],S23,0x265E5A51); 387 b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA); 388 a=GG(a,b,c,d,x[k+5], S21,0xD62F105D); 389 d=GG(d,a,b,c,x[k+10],S22,0x2441453); 390 c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681); 391 b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8); 392 a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6); 393 d=GG(d,a,b,c,x[k+14],S22,0xC33707D6); 394 c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87); 395 b=GG(b,c,d,a,x[k+8], S24,0x455A14ED); 396 a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905); 397 d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8); 398 c=GG(c,d,a,b,x[k+7], S23,0x676F02D9); 399 b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A); 400 a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942); 401 d=HH(d,a,b,c,x[k+8], S32,0x8771F681); 402 c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122); 403 b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C); 404 a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44); 405 d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9); 406 c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60); 407 b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70); 408 a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6); 409 d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA); 410 c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085); 411 b=HH(b,c,d,a,x[k+6], S34,0x4881D05); 412 a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039); 413 d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5); 414 c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8); 415 b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665); 416 a=II(a,b,c,d,x[k+0], S41,0xF4292244); 417 d=II(d,a,b,c,x[k+7], S42,0x432AFF97); 418 c=II(c,d,a,b,x[k+14],S43,0xAB9423A7); 419 b=II(b,c,d,a,x[k+5], S44,0xFC93A039); 420 a=II(a,b,c,d,x[k+12],S41,0x655B59C3); 421 d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92); 422 c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D); 423 b=II(b,c,d,a,x[k+1], S44,0x85845DD1); 424 a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F); 425 d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0); 426 c=II(c,d,a,b,x[k+6], S43,0xA3014314); 427 b=II(b,c,d,a,x[k+13],S44,0x4E0811A1); 428 a=II(a,b,c,d,x[k+4], S41,0xF7537E82); 429 d=II(d,a,b,c,x[k+11],S42,0xBD3AF235); 430 c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB); 431 b=II(b,c,d,a,x[k+9], S44,0xEB86D391); 432 a=AddUnsigned(a,AA); 433 b=AddUnsigned(b,BB); 434 c=AddUnsigned(c,CC); 435 d=AddUnsigned(d,DD); 436 } 437 438 var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d); 439 440 return temp.toLowerCase(); 441 }; 442 443 /** 444 * 445 * Secure Hash Algorithm (SHA1) 446 * http://www.webtoolkit.info/ 447 * @function 448 **/ 449 sc.helpers.SHA1 = function (msg) { 450 451 function rotate_left(n,s) { 452 var t4 = ( n<<s ) | (n>>>(32-s)); 453 return t4; 454 } 455 456 function lsb_hex(val) { 457 var str=""; 458 var i; 459 var vh; 460 var vl; 461 462 for( i=0; i<=6; i+=2 ) { 463 vh = (val>>>(i*4+4))&0x0f; 464 vl = (val>>>(i*4))&0x0f; 465 str += vh.toString(16) + vl.toString(16); 466 } 467 return str; 468 } 469 470 function cvt_hex(val) { 471 var str=""; 472 var i; 473 var v; 474 475 for( i=7; i>=0; i-- ) { 476 v = (val>>>(i*4))&0x0f; 477 str += v.toString(16); 478 } 479 return str; 480 } 481 482 483 function Utf8Encode(string) { 484 string = string.replace(/\r\n/g,"\n"); 485 var utftext = ""; 486 487 for (var n = 0; n < string.length; n++) { 488 489 var c = string.charCodeAt(n); 490 491 if (c < 128) { 492 utftext += String.fromCharCode(c); 493 } 494 else if((c > 127) && (c < 2048)) { 495 utftext += String.fromCharCode((c >> 6) | 192); 496 utftext += String.fromCharCode((c & 63) | 128); 497 } 498 else { 499 utftext += String.fromCharCode((c >> 12) | 224); 500 utftext += String.fromCharCode(((c >> 6) & 63) | 128); 501 utftext += String.fromCharCode((c & 63) | 128); 502 } 503 504 } 505 506 return utftext; 507 } 508 509 var blockstart; 510 var i, j; 511 var W = new Array(80); 512 var H0 = 0x67452301; 513 var H1 = 0xEFCDAB89; 514 var H2 = 0x98BADCFE; 515 var H3 = 0x10325476; 516 var H4 = 0xC3D2E1F0; 517 var A, B, C, D, E; 518 var temp; 519 520 msg = Utf8Encode(msg); 521 522 var msg_len = msg.length; 523 524 var word_array = []; 525 for( i=0; i<msg_len-3; i+=4 ) { 526 j = msg.charCodeAt(i)<<24 | msg.charCodeAt(i+1)<<16 | 527 msg.charCodeAt(i+2)<<8 | msg.charCodeAt(i+3); 528 word_array.push( j ); 529 } 530 531 switch( msg_len % 4 ) { 532 case 0: 533 i = 0x080000000; 534 break; 535 case 1: 536 i = msg.charCodeAt(msg_len-1)<<24 | 0x0800000; 537 break; 538 539 case 2: 540 i = msg.charCodeAt(msg_len-2)<<24 | msg.charCodeAt(msg_len-1)<<16 | 0x08000; 541 break; 542 543 case 3: 544 i = msg.charCodeAt(msg_len-3)<<24 | msg.charCodeAt(msg_len-2)<<16 | msg.charCodeAt(msg_len-1)<<8 | 0x80; 545 break; 546 } 547 548 word_array.push( i ); 549 550 while( (word_array.length % 16) != 14 ) {word_array.push( 0 );} 551 552 word_array.push( msg_len>>>29 ); 553 word_array.push( (msg_len<<3)&0x0ffffffff ); 554 555 556 for ( blockstart=0; blockstart<word_array.length; blockstart+=16 ) { 557 558 for( i=0; i<16; i++ ) {W[i] = word_array[blockstart+i];} 559 for( i=16; i<=79; i++ ) {W[i] = rotate_left(W[i-3] ^ W[i-8] ^ W[i-14] ^ W[i-16], 1);} 560 561 A = H0; 562 B = H1; 563 C = H2; 564 D = H3; 565 E = H4; 566 567 for( i= 0; i<=19; i++ ) { 568 temp = (rotate_left(A,5) + ((B&C) | (~B&D)) + E + W[i] + 0x5A827999) & 0x0ffffffff; 569 E = D; 570 D = C; 571 C = rotate_left(B,30); 572 B = A; 573 A = temp; 574 } 575 576 for( i=20; i<=39; i++ ) { 577 temp = (rotate_left(A,5) + (B ^ C ^ D) + E + W[i] + 0x6ED9EBA1) & 0x0ffffffff; 578 E = D; 579 D = C; 580 C = rotate_left(B,30); 581 B = A; 582 A = temp; 583 } 584 585 for( i=40; i<=59; i++ ) { 586 temp = (rotate_left(A,5) + ((B&C) | (B&D) | (C&D)) + E + W[i] + 0x8F1BBCDC) & 0x0ffffffff; 587 E = D; 588 D = C; 589 C = rotate_left(B,30); 590 B = A; 591 A = temp; 592 } 593 594 for( i=60; i<=79; i++ ) { 595 temp = (rotate_left(A,5) + (B ^ C ^ D) + E + W[i] + 0xCA62C1D6) & 0x0ffffffff; 596 E = D; 597 D = C; 598 C = rotate_left(B,30); 599 B = A; 600 A = temp; 601 } 602 603 H0 = (H0 + A) & 0x0ffffffff; 604 H1 = (H1 + B) & 0x0ffffffff; 605 H2 = (H2 + C) & 0x0ffffffff; 606 H3 = (H3 + D) & 0x0ffffffff; 607 H4 = (H4 + E) & 0x0ffffffff; 608 609 } 610 611 temp = cvt_hex(H0) + cvt_hex(H1) + cvt_hex(H2) + cvt_hex(H3) + cvt_hex(H4); 612 613 return temp.toLowerCase(); 614 615 }; 616 617 618 619 /** 620 * 621 * Secure Hash Algorithm (SHA256) 622 * http://www.webtoolkit.info/ 623 * 624 * Original code by Angel Marin, Paul Johnston. 625 * @function 626 **/ 627 sc.helpers.SHA256 = function (s){ 628 629 var chrsz = 8; 630 var hexcase = 0; 631 632 function safe_add (x, y) { 633 var lsw = (x & 0xFFFF) + (y & 0xFFFF); 634 var msw = (x >> 16) + (y >> 16) + (lsw >> 16); 635 return (msw << 16) | (lsw & 0xFFFF); 636 } 637 638 function S (X, n) { return ( X >>> n ) | (X << (32 - n)); } 639 function R (X, n) { return ( X >>> n ); } 640 function Ch(x, y, z) { return ((x & y) ^ ((~x) & z)); } 641 function Maj(x, y, z) { return ((x & y) ^ (x & z) ^ (y & z)); } 642 function Sigma0256(x) { return (S(x, 2) ^ S(x, 13) ^ S(x, 22)); } 643 function Sigma1256(x) { return (S(x, 6) ^ S(x, 11) ^ S(x, 25)); } 644 function Gamma0256(x) { return (S(x, 7) ^ S(x, 18) ^ R(x, 3)); } 645 function Gamma1256(x) { return (S(x, 17) ^ S(x, 19) ^ R(x, 10)); } 646 647 function core_sha256 (m, l) { 648 var K = [0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5, 0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5, 0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3, 0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174, 0xE49B69C1, 0xEFBE4786, 0xFC19DC6, 0x240CA1CC, 0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA, 0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7, 0xC6E00BF3, 0xD5A79147, 0x6CA6351, 0x14292967, 0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13, 0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85, 0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3, 0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070, 0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5, 0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3, 0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208, 0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2]; 649 var HASH = [0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A, 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19]; 650 var W = [64]; 651 var a, b, c, d, e, f, g, h, i, j; 652 var T1, T2; 653 654 m[l >> 5] |= 0x80 << (24 - l % 32); 655 m[((l + 64 >> 9) << 4) + 15] = l; 656 657 for ( i = 0; i<m.length; i+=16 ) { 658 a = HASH[0]; 659 b = HASH[1]; 660 c = HASH[2]; 661 d = HASH[3]; 662 e = HASH[4]; 663 f = HASH[5]; 664 g = HASH[6]; 665 h = HASH[7]; 666 667 for ( j = 0; j<64; j++) { 668 if (j < 16) {W[j] = m[j + i];} 669 else {W[j] = safe_add(safe_add(safe_add(Gamma1256(W[j - 2]), W[j - 7]), Gamma0256(W[j - 15])), W[j - 16]);} 670 671 T1 = safe_add(safe_add(safe_add(safe_add(h, Sigma1256(e)), Ch(e, f, g)), K[j]), W[j]); 672 T2 = safe_add(Sigma0256(a), Maj(a, b, c)); 673 674 h = g; 675 g = f; 676 f = e; 677 e = safe_add(d, T1); 678 d = c; 679 c = b; 680 b = a; 681 a = safe_add(T1, T2); 682 } 683 684 HASH[0] = safe_add(a, HASH[0]); 685 HASH[1] = safe_add(b, HASH[1]); 686 HASH[2] = safe_add(c, HASH[2]); 687 HASH[3] = safe_add(d, HASH[3]); 688 HASH[4] = safe_add(e, HASH[4]); 689 HASH[5] = safe_add(f, HASH[5]); 690 HASH[6] = safe_add(g, HASH[6]); 691 HASH[7] = safe_add(h, HASH[7]); 692 } 693 return HASH; 694 } 695 696 function str2binb (str) { 697 var bin = Array(); 698 var mask = (1 << chrsz) - 1; 699 for(var i = 0; i < str.length * chrsz; i += chrsz) { 700 bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (24 - i%32); 701 } 702 return bin; 703 } 704 705 function Utf8Encode(string) { 706 string = string.replace(/\r\n/g,"\n"); 707 var utftext = ""; 708 709 for (var n = 0; n < string.length; n++) { 710 711 var c = string.charCodeAt(n); 712 713 if (c < 128) { 714 utftext += String.fromCharCode(c); 715 } 716 else if((c > 127) && (c < 2048)) { 717 utftext += String.fromCharCode((c >> 6) | 192); 718 utftext += String.fromCharCode((c & 63) | 128); 719 } 720 else { 721 utftext += String.fromCharCode((c >> 12) | 224); 722 utftext += String.fromCharCode(((c >> 6) & 63) | 128); 723 utftext += String.fromCharCode((c & 63) | 128); 724 } 725 726 } 727 728 return utftext; 729 } 730 731 function binb2hex (binarray) { 732 var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; 733 var str = ""; 734 for(var i = 0; i < binarray.length * 4; i++) { 735 str += hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8+4)) & 0xF) + 736 hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8 )) & 0xF); 737 } 738 return str; 739 } 740 741 s = Utf8Encode(s); 742 return binb2hex(core_sha256(str2binb(s), s.length * chrsz)); 743 744 }; 745 746 747 748 /* 749 File: Math.uuid.js 750 Version: 1.3 751 Change History: 752 v1.0 - first release 753 v1.1 - less code and 2x performance boost (by minimizing calls to Math.random()) 754 v1.2 - Add support for generating non-standard uuids of arbitrary length 755 v1.3 - Fixed IE7 bug (can't use []'s to access string chars. Thanks, Brian R.) 756 v1.4 - Changed method to be "Math.uuid". Added support for radix argument. Use module pattern for better encapsulation. 757 758 Latest version: http://www.broofa.com/Tools/Math.uuid.js 759 Information: http://www.broofa.com/blog/?p=151 760 Contact: robert@broofa.com 761 ---- 762 Copyright (c) 2008, Robert Kieffer 763 All rights reserved. 764 765 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 766 767 * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 768 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 769 * Neither the name of Robert Kieffer nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. 770 771 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 772 */ 773 774 /** 775 * Generate a random uuid. 776 * 777 * USAGE: Math.uuid(length, radix) 778 * length - the desired number of characters 779 * radix - the number of allowable values for each character. 780 * 781 * EXAMPLES: 782 * // No arguments - returns RFC4122, version 4 ID 783 * >>> Math.uuid() 784 * "92329D39-6F5C-4520-ABFC-AAB64544E172" 785 * 786 * // One argument - returns ID of the specified length 787 * >>> Math.uuid(15) // 15 character ID (default base=62) 788 * "VcydxgltxrVZSTV" 789 * 790 * // Two arguments - returns ID of the specified length, and radix. (Radix must be <= 62) 791 * >>> Math.uuid(8, 2) // 8 character ID (base=2) 792 * "01001010" 793 * >>> Math.uuid(8, 10) // 8 character ID (base=10) 794 * "47473046" 795 * >>> Math.uuid(8, 16) // 8 character ID (base=16) 796 * "098F4D35" 797 * @member sc.helpers 798 * @function 799 */ 800 sc.helpers.UUID = (function() { 801 // Private array of chars to use 802 var CHARS = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split(''); 803 804 return function (len, radix) { 805 var chars = CHARS, uuid = [], rnd = Math.random; 806 radix = radix || chars.length; 807 808 if (len) { 809 // Compact form 810 for (var i = 0; i < len; i++) uuid[i] = chars[0 | rnd()*radix]; 811 } else { 812 // rfc4122, version 4 form 813 var r; 814 815 // rfc4122 requires these characters 816 uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-'; 817 uuid[14] = '4'; 818 819 // Fill in random data. At i==19 set the high bits of clock sequence as 820 // per rfc4122, sec. 4.1.5 821 for (var i = 0; i < 36; i++) { 822 if (!uuid[i]) { 823 r = 0 | rnd()*16; 824 uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r & 0xf]; 825 } 826 } 827 } 828 829 return uuid.join(''); 830 }; 831 })(); 832 833 /** 834 * Checks if the given value is an RFC 4122 UUID 835 * @member sc.helpers 836 */ 837 sc.helpers.isUUID = function(val) { 838 return val.match(/^[0-9A-Z]{8}-[0-9A-Z]{4}-[0-9A-Z]{4}-[0-9A-Z]{4}-[0-9A-Z]{12}$/); 839 }; 840