dojo.require("dojo.crypto");
dojo.provide("dojo.crypto.Blowfish");
/* Blowfish
* Created based on the C# implementation by Marcus Hahn (http://www.hotpixel.net/)
* Unsigned math functions derived from Joe Gregorio's SecureSyndication GM script
* http://bitworking.org/projects/securesyndication/
* (Note that this is *not* an adaption of the above script)
*
* version 1.0
* TRT
* 2005-12-08
*/
dojo.crypto.Blowfish = new function(){
// summary
// Object for doing Blowfish encryption/decryption.
var POW2=Math.pow(2,2);
var POW3=Math.pow(2,3);
var POW4=Math.pow(2,4);
var POW8=Math.pow(2,8);
var POW16=Math.pow(2,16);
var POW24=Math.pow(2,24);
var iv=null; // CBC mode initialization vector
var boxes={
p:[
0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89,
0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917,
0x9216d5d9, 0x8979fb1b
],
s0:[
0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99,
0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e,
0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee, 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e,
0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60, 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440,
0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce, 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a,
0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677,
0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193, 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032,
0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88, 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239,
0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0,
0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3, 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98,
0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88, 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe,
0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d,
0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b, 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7,
0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba, 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463,
0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09,
0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3, 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb,
0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279, 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8,
0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82,
0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db, 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573,
0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0, 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b,
0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8,
0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4, 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0,
0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7, 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c,
0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1,
0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299, 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9,
0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477, 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf,
0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af,
0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa, 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5,
0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41, 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915,
0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915,
0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664, 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a
],
s1:[
0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266,
0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1, 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e,
0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6, 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,
0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1,
0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737, 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8,
0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff, 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd,
0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, 0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7,
0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41, 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331,
0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf, 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af,
0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e, 0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87,
0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c, 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2,
0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16, 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd,
0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b, 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509,
0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e, 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3,
0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f, 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a,
0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4, 0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960,
0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66, 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28,
0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802, 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,
0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, 0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf,
0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14, 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e,
0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50, 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7,
0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8, 0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281,
0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99, 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696,
0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128, 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73,
0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0, 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0,
0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105, 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250,
0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3, 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285,
0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00, 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061,
0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb, 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e,
0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735, 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc,
0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9, 0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340,
0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20, 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7
],
s2:[
0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068,
0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af, 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840,
0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45, 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504,
0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, 0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb,
0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee, 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6,
0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42, 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b,
0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb,
0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527, 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b,
0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33, 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c,
0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3, 0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc,
0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17, 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564,
0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b, 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115,
0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922, 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728,
0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0, 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e,
0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37, 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d,
0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b,
0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3, 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb,
0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d, 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c,
0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350, 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9,
0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a, 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe,
0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d, 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,
0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61,
0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2, 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9,
0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2, 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c,
0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e, 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633,
0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10, 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169,
0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52, 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027,
0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, 0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62,
0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634, 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76,
0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24, 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc,
0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c,
0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837, 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0
],
s3:[
0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe,
0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b, 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4,
0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8, 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6,
0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22,
0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4, 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6,
0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9, 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59,
0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51,
0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28, 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c,
0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b, 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,
0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd,
0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a, 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319,
0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb, 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f,
0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32,
0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680, 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166,
0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae, 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb,
0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, 0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47,
0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370, 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d,
0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84, 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048,
0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8, 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd,
0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9, 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7,
0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38, 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f,
0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525,
0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1, 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442,
0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964, 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,
0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d,
0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f, 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299,
0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02, 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc,
0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a,
0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6, 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b,
0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0, 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060,
0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9,
0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f, 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6
]
}
////////////////////////////////////////////////////////////////////////////
function add(x,y){
var sum=(x+y)&0xffffffff;
if (sum<0){
sum=-sum;
return (0x10000*((sum>>16)^0xffff))+(((sum&0xffff)^0xffff)+1);
}
return sum;
}
function split(x){
var r=x&0xffffffff;
if(r<0) {
r=-r;
return [((r&0xffff)^0xffff)+1,(r>>16)^0xffff];
}
return [r&0xffff,(r>>16)];
}
function xor(x,y){
var xs=split(x);
var ys=split(y);
return (0x10000*(xs[1]^ys[1]))+(xs[0]^ys[0]);
}
function $(v, box){
var d=v&0xff; v>>=8;
var c=v&0xff; v>>=8;
var b=v&0xff; v>>=8;
var a=v&0xff;
var r=add(box.s0[a],box.s1[b]);
r=xor(r,box.s2[c]);
return add(r,box.s3[d]);
}
////////////////////////////////////////////////////////////////////////////
function eb(o, box){
var l=o.left;
var r=o.right;
l=xor(l,box.p[0]);
r=xor(r,xor($(l,box),box.p[1]));
l=xor(l,xor($(r,box),box.p[2]));
r=xor(r,xor($(l,box),box.p[3]));
l=xor(l,xor($(r,box),box.p[4]));
r=xor(r,xor($(l,box),box.p[5]));
l=xor(l,xor($(r,box),box.p[6]));
r=xor(r,xor($(l,box),box.p[7]));
l=xor(l,xor($(r,box),box.p[8]));
r=xor(r,xor($(l,box),box.p[9]));
l=xor(l,xor($(r,box),box.p[10]));
r=xor(r,xor($(l,box),box.p[11]));
l=xor(l,xor($(r,box),box.p[12]));
r=xor(r,xor($(l,box),box.p[13]));
l=xor(l,xor($(r,box),box.p[14]));
r=xor(r,xor($(l,box),box.p[15]));
l=xor(l,xor($(r,box),box.p[16]));
o.right=l;
o.left=xor(r,box.p[17]);
}
function db(o, box){
var l=o.left;
var r=o.right;
l=xor(l,box.p[17]);
r=xor(r,xor($(l,box),box.p[16]));
l=xor(l,xor($(r,box),box.p[15]));
r=xor(r,xor($(l,box),box.p[14]));
l=xor(l,xor($(r,box),box.p[13]));
r=xor(r,xor($(l,box),box.p[12]));
l=xor(l,xor($(r,box),box.p[11]));
r=xor(r,xor($(l,box),box.p[10]));
l=xor(l,xor($(r,box),box.p[9]));
r=xor(r,xor($(l,box),box.p[8]));
l=xor(l,xor($(r,box),box.p[7]));
r=xor(r,xor($(l,box),box.p[6]));
l=xor(l,xor($(r,box),box.p[5]));
r=xor(r,xor($(l,box),box.p[4]));
l=xor(l,xor($(r,box),box.p[3]));
r=xor(r,xor($(l,box),box.p[2]));
l=xor(l,xor($(r,box),box.p[1]));
o.right=l;
o.left=xor(r,box.p[0]);
}
// Note that we aren't caching contexts here; it might take a little longer
// but we should be more secure this way.
function init(key){
var k=key;
if (typeof(k)=="string"){
var a=[];
for(var i=0; i<k.length; i++)
a.push(k.charCodeAt(i)&0xff);
k=a;
}
// init the boxes
var box = { p:[], s0:[], s1:[], s2:[], s3:[] };
for(var i=0; i<boxes.p.length; i++) box.p.push(boxes.p[i]);
for(var i=0; i<boxes.s0.length; i++) box.s0.push(boxes.s0[i]);
for(var i=0; i<boxes.s1.length; i++) box.s1.push(boxes.s1[i]);
for(var i=0; i<boxes.s2.length; i++) box.s2.push(boxes.s2[i]);
for(var i=0; i<boxes.s3.length; i++) box.s3.push(boxes.s3[i]);
// init p with the key
var pos=0;
var data=0;
for(var i=0; i < box.p.length; i++){
for (var j=0; j<4; j++){
data = (data*POW8) | k[pos];
if(++pos==k.length) pos=0;
}
box.p[i] = xor(box.p[i], data);
}
// encrypt p and the s boxes
var res={ left:0, right:0 };
for(var i=0; i<box.p.length;){
eb(res, box);
box.p[i++]=res.left;
box.p[i++]=res.right;
}
for (var i=0; i<4; i++){
for(var j=0; j<box["s"+i].length;){
eb(res, box);
box["s"+i][j++]=res.left;
box["s"+i][j++]=res.right;
}
}
return box;
}
////////////////////////////////////////////////////////////////////////////
// CONVERSION FUNCTIONS
////////////////////////////////////////////////////////////////////////////
// these operate on byte arrays, NOT word arrays.
function toBase64(ba){
var p="=";
var tab="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var s=[];
var l=ba.length;
var rm=l%3;
var x=l-rm;
for (var i=0; i<x;){
var t=ba[i++]<<16|ba[i++]<<8|ba[i++];
s.push(tab.charAt((t>>>18)&0x3f));
s.push(tab.charAt((t>>>12)&0x3f));
s.push(tab.charAt((t>>>6)&0x3f));
s.push(tab.charAt(t&0x3f));
}
// deal with trailers, based on patch from Peter Wood.
switch(rm){
case 2:{
var t=ba[i++]<<16|ba[i++]<<8;
s.push(tab.charAt((t>>>18)&0x3f));
s.push(tab.charAt((t>>>12)&0x3f));
s.push(tab.charAt((t>>>6)&0x3f));
s.push(p);
break;
}
case 1:{
var t=ba[i++]<<16;
s.push(tab.charAt((t>>>18)&0x3f));
s.push(tab.charAt((t>>>12)&0x3f));
s.push(p);
s.push(p);
break;
}
}
return s.join("");
}
function fromBase64(str){
var s=str.split("");
var p="=";
var tab="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var out=[];
var l=s.length;
while(s[--l]==p){ }
for (var i=0; i<l;){
var t=tab.indexOf(s[i++])<<18|tab.indexOf(s[i++])<<12|tab.indexOf(s[i++])<<6|tab.indexOf(s[i++]);
out.push((t>>>16)&0xff);
out.push((t>>>8)&0xff);
out.push(t&0xff);
}
return out;
}
////////////////////////////////////////////////////////////////////////////
// PUBLIC FUNCTIONS
// 0.2: Only supporting ECB mode for now.
////////////////////////////////////////////////////////////////////////////
this.getIV=function(/* dojo.crypto.outputTypes? */ outputType){
// summary
// returns the initialization vector in the output format specified by outputType
var out=outputType||dojo.crypto.outputTypes.Base64;
switch(out){
case dojo.crypto.outputTypes.Hex:{
var s=[];
for(var i=0; i<iv.length; i++)
s.push((iv[i]).toString(16));
return s.join(""); // string
}
case dojo.crypto.outputTypes.String:{
return iv.join(""); // string
}
case dojo.crypto.outputTypes.Raw:{
return iv; // array
}
default:{
return toBase64(iv); // string
}
}
};
this.setIV=function(/* string */data, /* dojo.crypto.outputTypes? */inputType){
// summary
// sets the initialization vector to data (as interpreted as inputType)
var ip=inputType||dojo.crypto.outputTypes.Base64;
var ba=null;
switch(ip){
case dojo.crypto.outputTypes.String:{
ba=[];
for (var i=0; i<data.length; i++){
ba.push(data.charCodeAt(i));
}
break;
}
case dojo.crypto.outputTypes.Hex:{
ba=[];
var i=0;
while (i+1<data.length){
ba.push(parseInt(data.substr(i,2),16));
i+=2;
}
break;
}
case dojo.crypto.outputTypes.Raw:{
ba=data;
break;
}
default:{
ba=fromBase64(data);
break;
}
}
// make it a pair of words now
iv={};
iv.left=ba[0]*POW24|ba[1]*POW16|ba[2]*POW8|ba[3];
iv.right=ba[4]*POW24|ba[5]*POW16|ba[6]*POW8|ba[7];
}
this.encrypt = function(/* string */plaintext, /* string */key, /* object? */ao){
// summary
// encrypts plaintext using key; allows user to specify output type and cipher mode via keyword object "ao"
var out=dojo.crypto.outputTypes.Base64;
var mode=dojo.crypto.cipherModes.EBC;
if (ao){
if (ao.outputType) out=ao.outputType;
if (ao.cipherMode) mode=ao.cipherMode;
}
var bx = init(key);
var padding = 8-(plaintext.length&7);
for (var i=0; i<padding; i++) plaintext+=String.fromCharCode(padding);
var cipher=[];
var count=plaintext.length >> 3;
var pos=0;
var o={};
var isCBC=(mode==dojo.crypto.cipherModes.CBC);
var vector={left:iv.left||null, right:iv.right||null};
for(var i=0; i<count; i++){
o.left=plaintext.charCodeAt(pos)*POW24
|plaintext.charCodeAt(pos+1)*POW16
|plaintext.charCodeAt(pos+2)*POW8
|plaintext.charCodeAt(pos+3);
o.right=plaintext.charCodeAt(pos+4)*POW24
|plaintext.charCodeAt(pos+5)*POW16
|plaintext.charCodeAt(pos+6)*POW8
|plaintext.charCodeAt(pos+7);
if(isCBC){
o.left=xor(o.left, vector.left);
o.right=xor(o.right, vector.right);
}
eb(o, bx); // encrypt the block
if(isCBC){
vector.left=o.left;
vector.right=o.right;dojo.crypto.outputTypes.Hex
}
cipher.push((o.left>>24)&0xff);
cipher.push((o.left>>16)&0xff);
cipher.push((o.left>>8)&0xff);
cipher.push(o.left&0xff);
cipher.push((o.right>>24)&0xff);
cipher.push((o.right>>16)&0xff);
cipher.push((o.right>>8)&0xff);
cipher.push(o.right&0xff);
pos+=8;
}
switch(out){
case dojo.crypto.outputTypes.Hex:{
var s=[];
for(var i=0; i<cipher.length; i++)
s.push((cipher[i]).toString(16));
return s.join(""); // string
}
case dojo.crypto.outputTypes.String:{
return cipher.join(""); // string
}
case dojo.crypto.outputTypes.Raw:{
return cipher; // array
}
default:{
return toBase64(cipher); // string
}
}
};
this.decrypt = function(/* string */ciphertext, /* string */key, /* object? */ao){
// summary
// decrypts ciphertext using key; allows specification of how ciphertext is encoded via ao.
var ip=dojo.crypto.outputTypes.Base64;
var mode=dojo.crypto.cipherModes.EBC;
if (ao){
if (ao.outputType) ip=ao.outputType;
if (ao.cipherMode) mode=ao.cipherMode;
}
var bx = init(key);
var pt=[];
var c=null;
switch(ip){
case dojo.crypto.outputTypes.Hex:{
c=[];
var i=0;
while (i+1<ciphertext.length){
c.push(parseInt(ciphertext.substr(i,2),16));
i+=2;
}
break;
}
case dojo.crypto.outputTypes.String:{
c=[];
for (var i=0; i<ciphertext.length; i++){
c.push(ciphertext.charCodeAt(i));
}
break;
}
case dojo.crypto.outputTypes.Raw:{
c=ciphertext; // should be a byte array
break;
}
default:{
c=fromBase64(ciphertext);
break;
}
}
var count=c.length >> 3;
var pos=0;
var o={};
var isCBC=(mode==dojo.crypto.cipherModes.CBC);
var vector={left:iv.left||null, right:iv.right||null};
for(var i=0; i<count; i++){
o.left=c[pos]*POW24|c[pos+1]*POW16|c[pos+2]*POW8|c[pos+3];
o.right=c[pos+4]*POW24|c[pos+5]*POW16|c[pos+6]*POW8|c[pos+7];
if(isCBC){
var left=o.left;
var right=o.right;
}
db(o, bx); // decrypt the block
if(isCBC){
o.left=xor(o.left, vector.left);
o.right=xor(o.right, vector.right);
vector.left=left;
vector.right=right;
}
pt.push((o.left>>24)&0xff);
pt.push((o.left>>16)&0xff);
pt.push((o.left>>8)&0xff);
pt.push(o.left&0xff);
pt.push((o.right>>24)&0xff);
pt.push((o.right>>16)&0xff);
pt.push((o.right>>8)&0xff);
pt.push(o.right&0xff);
pos+=8;
}
// check for padding, and remove.
if(pt[pt.length-1]==pt[pt.length-2]||pt[pt.length-1]==0x01){
var n=pt[pt.length-1];
pt.splice(pt.length-n, n);
}
// convert to string
for(var i=0; i<pt.length; i++)
pt[i]=String.fromCharCode(pt[i]);
return pt.join(""); // string
};
this.setIV("0000000000000000", dojo.crypto.outputTypes.Hex);
}();