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JavaScript  |  2009-10-10  |  22.1 KB  |  536 lines
  1. /*
  2.  Javascript encryption module ver. 3.0 by Alessandro Baj
  3.  Changelog:
  4.  - Edited init key procedure to allow text/hexadecimal key
  5.  - Add md5 support before encryption
  6.  - Add armour support
  7.  
  8.  JavaScript encryption module ver. 2.0 by Daniel Rench
  9.  
  10.  Based on existing code:
  11.  Copyright (c) 2003 by Andre Mueller.
  12.  Init of blowfish constants with a function (init/backup errors)
  13.  Copyright (c) 2003 by Rainer Wollmann
  14.  This Object is open source. You can redistribute it and/or modify
  15.  it under the terms of the Universal General Public License (UGPL).
  16.  http://www.ugpl.de/
  17. */
  18.  
  19. function Blowfish(k,tipo_pwd_enc){
  20.   var keySizeInBitsBlow=448;
  21.   
  22.     if (k.length==0) 
  23.     throw strBundle.getString('pwdErrorMessage');
  24.     
  25.   if (tipo_pwd_enc[0].selected==true) { //Text key
  26.         k = encode_utf8(k); //ritorna la password codificata come utf-8
  27.       var kmd5e, kmd5o;
  28.       
  29.       if (k.length == 1) {
  30.           k += k; //se la password ha un solo carattere, lo raddoppio
  31.       }
  32.       
  33.       var md5temp=k;
  34.       for(var ind=0;ind<2;ind++){ //devo ottenere 512 bit (256 bit a ciclo) dalla chiave usata, qualunque sia
  35.         md5_init();
  36.         for (i = 0; i < md5temp.length; i += 2) {
  37.             md5_update(md5temp.charCodeAt(i));
  38.         }
  39.         md5_finish(); //calcola md5 di una parte della password
  40.         kmd5e = byteArrayToHex(digestBits); //sono 128 bit
  41.         
  42.         md5_init();
  43.         for (i = 1; i < md5temp.length; i += 2) {
  44.             md5_update(md5temp.charCodeAt(i));
  45.         }
  46.         md5_finish();
  47.         kmd5o = byteArrayToHex(digestBits);//sono 128 bit
  48.         
  49.         if(ind==0)
  50.           var hs = kmd5e + kmd5o; //hs ha 64 caratteri -> 256 bit
  51.         
  52.         md5temp=hs; //faccio i calcoli su hs     
  53.       }
  54.       hs=hs+kmd5e+kmd5o.substr(0,16);//hs ha 112 caratteri -> 448 bit
  55.                           //^^^--tolgo 16 caratteri -> 64 bit (512bit-64bit=448bit)
  56.                             
  57.       k=unescape(hs);//converte da hex a caratteri
  58.   }
  59.   else if (tipo_pwd_enc[1].selected==true){            // Hexadecimal key
  60.     var s = k;
  61.     var hexDigits = "0123456789abcdefABCDEF";
  62.       var hs = "", bogus = false;
  63.  
  64.       for (i = 0; i < s.length; i++) {
  65.           var ch = s.charAt(i);
  66.           if (hexDigits.indexOf(ch) >= 0) {
  67.                 hs += ch;
  68.           } 
  69.       else {
  70.             bogus = true;
  71.           }
  72.       }
  73.       if (bogus) {
  74.             alert(strBundle.getString('jscryptSetKeyErrMessage'));
  75.       }
  76.       if (hs.length > (keySizeInBitsBlow/4)) {
  77.             alert(strBundle.getFormattedString("jscryptSetKeyErrMessage2", [ (keySizeInBitsBlow/4) ]));
  78.       } 
  79.     else {
  80.             //  If key is fewer than 112 hex digits, fill it with zeroes
  81.             while (hs.length < (keySizeInBitsBlow/4)) {
  82.               hs += "0";
  83.             }
  84.     }
  85.       k =  unescape(hs);//converte da hex a caratteri
  86.     }
  87.     
  88.     this.bf_P=this.Fbf_P();
  89.     this.bf_S0=this.Fbf_S0();
  90.     this.bf_S1=this.Fbf_S1();
  91.     this.bf_S2=this.Fbf_S2();
  92.     this.bf_S3=this.Fbf_S3();
  93.     this.escape=function(t){
  94.         var r='';
  95.         for(var i=0;i<t.length;i++){
  96.             var c=t.charCodeAt(i);
  97.             var t1=Math.floor(c/16);//calcola il numero di volte che 16 sta in c
  98.             var t2=c%16;//calcola il resto es. 50/16=3 resto 2
  99.             if (t1<10) t1+=48;
  100.             else t1+=55;
  101.             if (t2<10) t2+=48;
  102.             else t2+=55;
  103.             r+=String.fromCharCode(t1)+String.fromCharCode(t2);
  104.         }
  105.         return r;
  106.     };
  107.     this.wordbyte0=function(w){return Math.floor(Math.floor(Math.floor(w/256)/256)/256)%256};
  108.     this.wordbyte1=function(w){return Math.floor(Math.floor(w/256)/256)%256};
  109.     this.wordbyte2=function(w){return Math.floor(w/256)%256};
  110.     this.wordbyte3=function(w){return w%256};
  111.     this.xorBlowfish=function(w1,w2){var r=w1^w2;if (r<0) r=0xffffffff+1+r; return r};
  112.     this.key=(k.length>(keySizeInBitsBlow/4))?k.substr(0,(keySizeInBitsBlow/4)):k;//prima il limite era 56
  113.     var j=0;
  114.     for(var i=0;i<18;++i){
  115.         var d=((this.key.charCodeAt(j%this.key.length)*256+this.key.charCodeAt((j+1)%this.key.length))*256+this.key.charCodeAt((j+2)%this.key.length))*256+this.key.charCodeAt((j+3)%this.key.length);
  116.         this.bf_P[i]=this.xorBlowfish(this.bf_P[i],d);
  117.         j=(j+4)%this.key.length;
  118.     }
  119.     this.key=this.escape(this.key);
  120.     this.xl_par=0x00000000;
  121.     this.xr_par=0x00000000;
  122.     for(var i=0;i<18;i+=2){
  123.         this.encipher();
  124.         this.bf_P[i]=this.xl_par;
  125.         this.bf_P[i+1]=this.xr_par;
  126.     }
  127.     for(j=0;j<256;j+=2){
  128.         this.encipher();
  129.         this.bf_S0[j]=this.xl_par;
  130.         this.bf_S0[j+1]=this.xr_par;
  131.     }
  132.     for(j=0;j<256;j+=2){
  133.         this.encipher();
  134.         this.bf_S1[j]=this.xl_par;
  135.         this.bf_S1[j+1]=this.xr_par;
  136.     }
  137.     for(j=0;j<256;j+=2){
  138.         this.encipher();
  139.         this.bf_S2[j]=this.xl_par;
  140.         this.bf_S2[j+1]=this.xr_par;
  141.     }
  142.     for (j=0;j<256;j+=2){
  143.         this.encipher();
  144.         this.bf_S3[j]=this.xl_par;
  145.         this.bf_S3[j+1]=this.xr_par;
  146.     }
  147.     this.unescape=function(t){
  148.         var r='';
  149.         for(i=0;i<t.length;i++){
  150.             var t1=t.charCodeAt(i++);
  151.             var t2=t.charCodeAt(i);
  152.             if (t1<58) t1-=48;
  153.             else {
  154.                 if (t1>96) t1-=87;
  155.                 else t1-=55;
  156.             }
  157.             if (t2<58) t2-=48;
  158.             else {
  159.                 if (t2>96) t2-=87;
  160.                 else t2-=55;
  161.             }
  162.             r+=String.fromCharCode(t1*16+t2);
  163.         }
  164.         return r;
  165.     };
  166. }
  167. Blowfish.prototype.Fbf_P=function(){return [
  168.     0x243f6a88,0x85a308d3,0x13198a2e,0x03707344,0xa4093822,0x299f31d0,
  169.     0x082efa98,0xec4e6c89,0x452821e6,0x38d01377,0xbe5466cf,0x34e90c6c,
  170.     0xc0ac29b7,0xc97c50dd,0x3f84d5b5,0xb5470917,0x9216d5d9,0x8979fb1b
  171. ];};
  172. Blowfish.prototype.Fbf_S0=function(){return [
  173.     0xd1310ba6,0x98dfb5ac,0x2ffd72db,0xd01adfb7,0xb8e1afed,0x6a267e96,
  174.     0xba7c9045,0xf12c7f99,0x24a19947,0xb3916cf7,0x0801f2e2,0x858efc16,
  175.     0x636920d8,0x71574e69,0xa458fea3,0xf4933d7e,0x0d95748f,0x728eb658,
  176.     0x718bcd58,0x82154aee,0x7b54a41d,0xc25a59b5,0x9c30d539,0x2af26013,
  177.     0xc5d1b023,0x286085f0,0xca417918,0xb8db38ef,0x8e79dcb0,0x603a180e,
  178.     0x6c9e0e8b,0xb01e8a3e,0xd71577c1,0xbd314b27,0x78af2fda,0x55605c60,
  179.     0xe65525f3,0xaa55ab94,0x57489862,0x63e81440,0x55ca396a,0x2aab10b6,
  180.     0xb4cc5c34,0x1141e8ce,0xa15486af,0x7c72e993,0xb3ee1411,0x636fbc2a,
  181.     0x2ba9c55d,0x741831f6,0xce5c3e16,0x9b87931e,0xafd6ba33,0x6c24cf5c,
  182.     0x7a325381,0x28958677,0x3b8f4898,0x6b4bb9af,0xc4bfe81b,0x66282193,
  183.     0x61d809cc,0xfb21a991,0x487cac60,0x5dec8032,0xef845d5d,0xe98575b1,
  184.     0xdc262302,0xeb651b88,0x23893e81,0xd396acc5,0x0f6d6ff3,0x83f44239,
  185.     0x2e0b4482,0xa4842004,0x69c8f04a,0x9e1f9b5e,0x21c66842,0xf6e96c9a,
  186.     0x670c9c61,0xabd388f0,0x6a51a0d2,0xd8542f68,0x960fa728,0xab5133a3,
  187.     0x6eef0b6c,0x137a3be4,0xba3bf050,0x7efb2a98,0xa1f1651d,0x39af0176,
  188.     0x66ca593e,0x82430e88,0x8cee8619,0x456f9fb4,0x7d84a5c3,0x3b8b5ebe,
  189.     0xe06f75d8,0x85c12073,0x401a449f,0x56c16aa6,0x4ed3aa62,0x363f7706,
  190.     0x1bfedf72,0x429b023d,0x37d0d724,0xd00a1248,0xdb0fead3,0x49f1c09b,
  191.     0x075372c9,0x80991b7b,0x25d479d8,0xf6e8def7,0xe3fe501a,0xb6794c3b,
  192.     0x976ce0bd,0x04c006ba,0xc1a94fb6,0x409f60c4,0x5e5c9ec2,0x196a2463,
  193.     0x68fb6faf,0x3e6c53b5,0x1339b2eb,0x3b52ec6f,0x6dfc511f,0x9b30952c,
  194.     0xcc814544,0xaf5ebd09,0xbee3d004,0xde334afd,0x660f2807,0x192e4bb3,
  195.     0xc0cba857,0x45c8740f,0xd20b5f39,0xb9d3fbdb,0x5579c0bd,0x1a60320a,
  196.     0xd6a100c6,0x402c7279,0x679f25fe,0xfb1fa3cc,0x8ea5e9f8,0xdb3222f8,
  197.     0x3c7516df,0xfd616b15,0x2f501ec8,0xad0552ab,0x323db5fa,0xfd238760,
  198.     0x53317b48,0x3e00df82,0x9e5c57bb,0xca6f8ca0,0x1a87562e,0xdf1769db,
  199.     0xd542a8f6,0x287effc3,0xac6732c6,0x8c4f5573,0x695b27b0,0xbbca58c8,
  200.     0xe1ffa35d,0xb8f011a0,0x10fa3d98,0xfd2183b8,0x4afcb56c,0x2dd1d35b,
  201.     0x9a53e479,0xb6f84565,0xd28e49bc,0x4bfb9790,0xe1ddf2da,0xa4cb7e33,
  202.     0x62fb1341,0xcee4c6e8,0xef20cada,0x36774c01,0xd07e9efe,0x2bf11fb4,
  203.     0x95dbda4d,0xae909198,0xeaad8e71,0x6b93d5a0,0xd08ed1d0,0xafc725e0,
  204.     0x8e3c5b2f,0x8e7594b7,0x8ff6e2fb,0xf2122b64,0x8888b812,0x900df01c,
  205.     0x4fad5ea0,0x688fc31c,0xd1cff191,0xb3a8c1ad,0x2f2f2218,0xbe0e1777,
  206.     0xea752dfe,0x8b021fa1,0xe5a0cc0f,0xb56f74e8,0x18acf3d6,0xce89e299,
  207.     0xb4a84fe0,0xfd13e0b7,0x7cc43b81,0xd2ada8d9,0x165fa266,0x80957705,
  208.     0x93cc7314,0x211a1477,0xe6ad2065,0x77b5fa86,0xc75442f5,0xfb9d35cf,
  209.     0xebcdaf0c,0x7b3e89a0,0xd6411bd3,0xae1e7e49,0x00250e2d,0x2071b35e,
  210.     0x226800bb,0x57b8e0af,0x2464369b,0xf009b91e,0x5563911d,0x59dfa6aa,
  211.     0x78c14389,0xd95a537f,0x207d5ba2,0x02e5b9c5,0x83260376,0x6295cfa9,
  212.     0x11c81968,0x4e734a41,0xb3472dca,0x7b14a94a,0x1b510052,0x9a532915,
  213.     0xd60f573f,0xbc9bc6e4,0x2b60a476,0x81e67400,0x08ba6fb5,0x571be91f,
  214.     0xf296ec6b,0x2a0dd915,0xb6636521,0xe7b9f9b6,0xff34052e,0xc5855664,
  215.     0x53b02d5d,0xa99f8fa1,0x08ba4799,0x6e85076a
  216. ];};
  217. Blowfish.prototype.Fbf_S1=function(){return [
  218.     0x4b7a70e9,0xb5b32944,0xdb75092e,0xc4192623,0xad6ea6b0,0x49a7df7d,
  219.     0x9cee60b8,0x8fedb266,0xecaa8c71,0x699a17ff,0x5664526c,0xc2b19ee1,
  220.     0x193602a5,0x75094c29,0xa0591340,0xe4183a3e,0x3f54989a,0x5b429d65,
  221.     0x6b8fe4d6,0x99f73fd6,0xa1d29c07,0xefe830f5,0x4d2d38e6,0xf0255dc1,
  222.     0x4cdd2086,0x8470eb26,0x6382e9c6,0x021ecc5e,0x09686b3f,0x3ebaefc9,
  223.     0x3c971814,0x6b6a70a1,0x687f3584,0x52a0e286,0xb79c5305,0xaa500737,
  224.     0x3e07841c,0x7fdeae5c,0x8e7d44ec,0x5716f2b8,0xb03ada37,0xf0500c0d,
  225.     0xf01c1f04,0x0200b3ff,0xae0cf51a,0x3cb574b2,0x25837a58,0xdc0921bd,
  226.     0xd19113f9,0x7ca92ff6,0x94324773,0x22f54701,0x3ae5e581,0x37c2dadc,
  227.     0xc8b57634,0x9af3dda7,0xa9446146,0x0fd0030e,0xecc8c73e,0xa4751e41,
  228.     0xe238cd99,0x3bea0e2f,0x3280bba1,0x183eb331,0x4e548b38,0x4f6db908,
  229.     0x6f420d03,0xf60a04bf,0x2cb81290,0x24977c79,0x5679b072,0xbcaf89af,
  230.     0xde9a771f,0xd9930810,0xb38bae12,0xdccf3f2e,0x5512721f,0x2e6b7124,
  231.     0x501adde6,0x9f84cd87,0x7a584718,0x7408da17,0xbc9f9abc,0xe94b7d8c,
  232.     0xec7aec3a,0xdb851dfa,0x63094366,0xc464c3d2,0xef1c1847,0x3215d908,
  233.     0xdd433b37,0x24c2ba16,0x12a14d43,0x2a65c451,0x50940002,0x133ae4dd,
  234.     0x71dff89e,0x10314e55,0x81ac77d6,0x5f11199b,0x043556f1,0xd7a3c76b,
  235.     0x3c11183b,0x5924a509,0xf28fe6ed,0x97f1fbfa,0x9ebabf2c,0x1e153c6e,
  236.     0x86e34570,0xeae96fb1,0x860e5e0a,0x5a3e2ab3,0x771fe71c,0x4e3d06fa,
  237.     0x2965dcb9,0x99e71d0f,0x803e89d6,0x5266c825,0x2e4cc978,0x9c10b36a,
  238.     0xc6150eba,0x94e2ea78,0xa5fc3c53,0x1e0a2df4,0xf2f74ea7,0x361d2b3d,
  239.     0x1939260f,0x19c27960,0x5223a708,0xf71312b6,0xebadfe6e,0xeac31f66,
  240.     0xe3bc4595,0xa67bc883,0xb17f37d1,0x018cff28,0xc332ddef,0xbe6c5aa5,
  241.     0x65582185,0x68ab9802,0xeecea50f,0xdb2f953b,0x2aef7dad,0x5b6e2f84,
  242.     0x1521b628,0x29076170,0xecdd4775,0x619f1510,0x13cca830,0xeb61bd96,
  243.     0x0334fe1e,0xaa0363cf,0xb5735c90,0x4c70a239,0xd59e9e0b,0xcbaade14,
  244.     0xeecc86bc,0x60622ca7,0x9cab5cab,0xb2f3846e,0x648b1eaf,0x19bdf0ca,
  245.     0xa02369b9,0x655abb50,0x40685a32,0x3c2ab4b3,0x319ee9d5,0xc021b8f7,
  246.     0x9b540b19,0x875fa099,0x95f7997e,0x623d7da8,0xf837889a,0x97e32d77,
  247.     0x11ed935f,0x16681281,0x0e358829,0xc7e61fd6,0x96dedfa1,0x7858ba99,
  248.     0x57f584a5,0x1b227263,0x9b83c3ff,0x1ac24696,0xcdb30aeb,0x532e3054,
  249.     0x8fd948e4,0x6dbc3128,0x58ebf2ef,0x34c6ffea,0xfe28ed61,0xee7c3c73,
  250.     0x5d4a14d9,0xe864b7e3,0x42105d14,0x203e13e0,0x45eee2b6,0xa3aaabea,
  251.     0xdb6c4f15,0xfacb4fd0,0xc742f442,0xef6abbb5,0x654f3b1d,0x41cd2105,
  252.     0xd81e799e,0x86854dc7,0xe44b476a,0x3d816250,0xcf62a1f2,0x5b8d2646,
  253.     0xfc8883a0,0xc1c7b6a3,0x7f1524c3,0x69cb7492,0x47848a0b,0x5692b285,
  254.     0x095bbf00,0xad19489d,0x1462b174,0x23820e00,0x58428d2a,0x0c55f5ea,
  255.     0x1dadf43e,0x233f7061,0x3372f092,0x8d937e41,0xd65fecf1,0x6c223bdb,
  256.     0x7cde3759,0xcbee7460,0x4085f2a7,0xce77326e,0xa6078084,0x19f8509e,
  257.     0xe8efd855,0x61d99735,0xa969a7aa,0xc50c06c2,0x5a04abfc,0x800bcadc,
  258.     0x9e447a2e,0xc3453484,0xfdd56705,0x0e1e9ec9,0xdb73dbd3,0x105588cd,
  259.     0x675fda79,0xe3674340,0xc5c43465,0x713e38d8,0x3d28f89e,0xf16dff20,
  260.     0x153e21e7,0x8fb03d4a,0xe6e39f2b,0xdb83adf7
  261. ];};
  262. Blowfish.prototype.Fbf_S2=function(){return [
  263.     0xe93d5a68,0x948140f7,0xf64c261c,0x94692934,0x411520f7,0x7602d4f7,
  264.     0xbcf46b2e,0xd4a20068,0xd4082471,0x3320f46a,0x43b7d4b7,0x500061af,
  265.     0x1e39f62e,0x97244546,0x14214f74,0xbf8b8840,0x4d95fc1d,0x96b591af,
  266.     0x70f4ddd3,0x66a02f45,0xbfbc09ec,0x03bd9785,0x7fac6dd0,0x31cb8504,
  267.     0x96eb27b3,0x55fd3941,0xda2547e6,0xabca0a9a,0x28507825,0x530429f4,
  268.     0x0a2c86da,0xe9b66dfb,0x68dc1462,0xd7486900,0x680ec0a4,0x27a18dee,
  269.     0x4f3ffea2,0xe887ad8c,0xb58ce006,0x7af4d6b6,0xaace1e7c,0xd3375fec,
  270.     0xce78a399,0x406b2a42,0x20fe9e35,0xd9f385b9,0xee39d7ab,0x3b124e8b,
  271.     0x1dc9faf7,0x4b6d1856,0x26a36631,0xeae397b2,0x3a6efa74,0xdd5b4332,
  272.     0x6841e7f7,0xca7820fb,0xfb0af54e,0xd8feb397,0x454056ac,0xba489527,
  273.     0x55533a3a,0x20838d87,0xfe6ba9b7,0xd096954b,0x55a867bc,0xa1159a58,
  274.     0xcca92963,0x99e1db33,0xa62a4a56,0x3f3125f9,0x5ef47e1c,0x9029317c,
  275.     0xfdf8e802,0x04272f70,0x80bb155c,0x05282ce3,0x95c11548,0xe4c66d22,
  276.     0x48c1133f,0xc70f86dc,0x07f9c9ee,0x41041f0f,0x404779a4,0x5d886e17,
  277.     0x325f51eb,0xd59bc0d1,0xf2bcc18f,0x41113564,0x257b7834,0x602a9c60,
  278.     0xdff8e8a3,0x1f636c1b,0x0e12b4c2,0x02e1329e,0xaf664fd1,0xcad18115,
  279.     0x6b2395e0,0x333e92e1,0x3b240b62,0xeebeb922,0x85b2a20e,0xe6ba0d99,
  280.     0xde720c8c,0x2da2f728,0xd0127845,0x95b794fd,0x647d0862,0xe7ccf5f0,
  281.     0x5449a36f,0x877d48fa,0xc39dfd27,0xf33e8d1e,0x0a476341,0x992eff74,
  282.     0x3a6f6eab,0xf4f8fd37,0xa812dc60,0xa1ebddf8,0x991be14c,0xdb6e6b0d,
  283.     0xc67b5510,0x6d672c37,0x2765d43b,0xdcd0e804,0xf1290dc7,0xcc00ffa3,
  284.     0xb5390f92,0x690fed0b,0x667b9ffb,0xcedb7d9c,0xa091cf0b,0xd9155ea3,
  285.     0xbb132f88,0x515bad24,0x7b9479bf,0x763bd6eb,0x37392eb3,0xcc115979,
  286.     0x8026e297,0xf42e312d,0x6842ada7,0xc66a2b3b,0x12754ccc,0x782ef11c,
  287.     0x6a124237,0xb79251e7,0x06a1bbe6,0x4bfb6350,0x1a6b1018,0x11caedfa,
  288.     0x3d25bdd8,0xe2e1c3c9,0x44421659,0x0a121386,0xd90cec6e,0xd5abea2a,
  289.     0x64af674e,0xda86a85f,0xbebfe988,0x64e4c3fe,0x9dbc8057,0xf0f7c086,
  290.     0x60787bf8,0x6003604d,0xd1fd8346,0xf6381fb0,0x7745ae04,0xd736fccc,
  291.     0x83426b33,0xf01eab71,0xb0804187,0x3c005e5f,0x77a057be,0xbde8ae24,
  292.     0x55464299,0xbf582e61,0x4e58f48f,0xf2ddfda2,0xf474ef38,0x8789bdc2,
  293.     0x5366f9c3,0xc8b38e74,0xb475f255,0x46fcd9b9,0x7aeb2661,0x8b1ddf84,
  294.     0x846a0e79,0x915f95e2,0x466e598e,0x20b45770,0x8cd55591,0xc902de4c,
  295.     0xb90bace1,0xbb8205d0,0x11a86248,0x7574a99e,0xb77f19b6,0xe0a9dc09,
  296.     0x662d09a1,0xc4324633,0xe85a1f02,0x09f0be8c,0x4a99a025,0x1d6efe10,
  297.     0x1ab93d1d,0x0ba5a4df,0xa186f20f,0x2868f169,0xdcb7da83,0x573906fe,
  298.     0xa1e2ce9b,0x4fcd7f52,0x50115e01,0xa70683fa,0xa002b5c4,0x0de6d027,
  299.     0x9af88c27,0x773f8641,0xc3604c06,0x61a806b5,0xf0177a28,0xc0f586e0,
  300.     0x006058aa,0x30dc7d62,0x11e69ed7,0x2338ea63,0x53c2dd94,0xc2c21634,
  301.     0xbbcbee56,0x90bcb6de,0xebfc7da1,0xce591d76,0x6f05e409,0x4b7c0188,
  302.     0x39720a3d,0x7c927c24,0x86e3725f,0x724d9db9,0x1ac15bb4,0xd39eb8fc,
  303.     0xed545578,0x08fca5b5,0xd83d7cd3,0x4dad0fc4,0x1e50ef5e,0xb161e6f8,
  304.     0xa28514d9,0x6c51133c,0x6fd5c7e7,0x56e14ec4,0x362abfce,0xddc6c837,
  305.     0xd79a3234,0x92638212,0x670efa8e,0x406000e0
  306. ];};
  307. Blowfish.prototype.Fbf_S3=function(){return [
  308.     0x3a39ce37,0xd3faf5cf,0xabc27737,0x5ac52d1b,0x5cb0679e,0x4fa33742,
  309.     0xd3822740,0x99bc9bbe,0xd5118e9d,0xbf0f7315,0xd62d1c7e,0xc700c47b,
  310.     0xb78c1b6b,0x21a19045,0xb26eb1be,0x6a366eb4,0x5748ab2f,0xbc946e79,
  311.     0xc6a376d2,0x6549c2c8,0x530ff8ee,0x468dde7d,0xd5730a1d,0x4cd04dc6,
  312.     0x2939bbdb,0xa9ba4650,0xac9526e8,0xbe5ee304,0xa1fad5f0,0x6a2d519a,
  313.     0x63ef8ce2,0x9a86ee22,0xc089c2b8,0x43242ef6,0xa51e03aa,0x9cf2d0a4,
  314.     0x83c061ba,0x9be96a4d,0x8fe51550,0xba645bd6,0x2826a2f9,0xa73a3ae1,
  315.     0x4ba99586,0xef5562e9,0xc72fefd3,0xf752f7da,0x3f046f69,0x77fa0a59,
  316.     0x80e4a915,0x87b08601,0x9b09e6ad,0x3b3ee593,0xe990fd5a,0x9e34d797,
  317.     0x2cf0b7d9,0x022b8b51,0x96d5ac3a,0x017da67d,0xd1cf3ed6,0x7c7d2d28,
  318.     0x1f9f25cf,0xadf2b89b,0x5ad6b472,0x5a88f54c,0xe029ac71,0xe019a5e6,
  319.     0x47b0acfd,0xed93fa9b,0xe8d3c48d,0x283b57cc,0xf8d56629,0x79132e28,
  320.     0x785f0191,0xed756055,0xf7960e44,0xe3d35e8c,0x15056dd4,0x88f46dba,
  321.     0x03a16125,0x0564f0bd,0xc3eb9e15,0x3c9057a2,0x97271aec,0xa93a072a,
  322.     0x1b3f6d9b,0x1e6321f5,0xf59c66fb,0x26dcf319,0x7533d928,0xb155fdf5,
  323.     0x03563482,0x8aba3cbb,0x28517711,0xc20ad9f8,0xabcc5167,0xccad925f,
  324.     0x4de81751,0x3830dc8e,0x379d5862,0x9320f991,0xea7a90c2,0xfb3e7bce,
  325.     0x5121ce64,0x774fbe32,0xa8b6e37e,0xc3293d46,0x48de5369,0x6413e680,
  326.     0xa2ae0810,0xdd6db224,0x69852dfd,0x09072166,0xb39a460a,0x6445c0dd,
  327.     0x586cdecf,0x1c20c8ae,0x5bbef7dd,0x1b588d40,0xccd2017f,0x6bb4e3bb,
  328.     0xdda26a7e,0x3a59ff45,0x3e350a44,0xbcb4cdd5,0x72eacea8,0xfa6484bb,
  329.     0x8d6612ae,0xbf3c6f47,0xd29be463,0x542f5d9e,0xaec2771b,0xf64e6370,
  330.     0x740e0d8d,0xe75b1357,0xf8721671,0xaf537d5d,0x4040cb08,0x4eb4e2cc,
  331.     0x34d2466a,0x0115af84,0xe1b00428,0x95983a1d,0x06b89fb4,0xce6ea048,
  332.     0x6f3f3b82,0x3520ab82,0x011a1d4b,0x277227f8,0x611560b1,0xe7933fdc,
  333.     0xbb3a792b,0x344525bd,0xa08839e1,0x51ce794b,0x2f32c9b7,0xa01fbac9,
  334.     0xe01cc87e,0xbcc7d1f6,0xcf0111c3,0xa1e8aac7,0x1a908749,0xd44fbd9a,
  335.     0xd0dadecb,0xd50ada38,0x0339c32a,0xc6913667,0x8df9317c,0xe0b12b4f,
  336.     0xf79e59b7,0x43f5bb3a,0xf2d519ff,0x27d9459c,0xbf97222c,0x15e6fc2a,
  337.     0x0f91fc71,0x9b941525,0xfae59361,0xceb69ceb,0xc2a86459,0x12baa8d1,
  338.     0xb6c1075e,0xe3056a0c,0x10d25065,0xcb03a442,0xe0ec6e0e,0x1698db3b,
  339.     0x4c98a0be,0x3278e964,0x9f1f9532,0xe0d392df,0xd3a0342b,0x8971f21e,
  340.     0x1b0a7441,0x4ba3348c,0xc5be7120,0xc37632d8,0xdf359f8d,0x9b992f2e,
  341.     0xe60b6f47,0x0fe3f11d,0xe54cda54,0x1edad891,0xce6279cf,0xcd3e7e6f,
  342.     0x1618b166,0xfd2c1d05,0x848fd2c5,0xf6fb2299,0xf523f357,0xa6327623,
  343.     0x93a83531,0x56cccd02,0xacf08162,0x5a75ebb5,0x6e163697,0x88d273cc,
  344.     0xde966292,0x81b949d0,0x4c50901b,0x71c65614,0xe6c6c7bd,0x327a140a,
  345.     0x45e1d006,0xc3f27b9a,0xc9aa53fd,0x62a80f00,0xbb25bfe2,0x35bdd2f6,
  346.     0x71126905,0xb2040222,0xb6cbcf7c,0xcd769c2b,0x53113ec0,0x1640e3d3,
  347.     0x38abbd60,0x2547adf0,0xba38209c,0xf746ce76,0x77afa1c5,0x20756060,
  348.     0x85cbfe4e,0x8ae88dd8,0x7aaaf9b0,0x4cf9aa7e,0x1948c25c,0x02fb8a8c,
  349.     0x01c36ae4,0xd6ebe1f9,0x90d4f869,0xa65cdea0,0x3f09252d,0xc208e69f,
  350.     0xb74e6132,0xce77e25b,0x578fdfe3,0x3ac372e6
  351. ];};
  352. Blowfish.prototype.encryptBlowfish=function(temp,tipo_pwd_enc){
  353.   var prefix = strBundle.getFormattedString("encryptMessagePrefix", [ "Blowfish", "#####" ]),
  354.         suffix = strBundle.getFormattedString("encryptMessageSuffix", [ "#####" ]);
  355.     
  356.   var plaintext = encode_utf8(temp);
  357.     
  358.     //  Compute MD5 sum of message text and add to header
  359.     md5_init();
  360.     for (i = 0; i < plaintext.length; i++) {
  361.         md5_update(plaintext.charCodeAt(i));
  362.     }
  363.     md5_finish();
  364.     var header = "";
  365.     for (i = 0; i < digestBits.length; i++) {
  366.         header += String.fromCharCode(digestBits[i]);
  367.     }
  368.     
  369.     //  Add message length in bytes to header
  370.     i = plaintext.length;
  371.     header += String.fromCharCode(i >>> 24);
  372.     header += String.fromCharCode(i >>> 16);
  373.     header += String.fromCharCode(i >>> 8);
  374.     header += String.fromCharCode(i & 0xFF);
  375.  
  376.     /*  The format of the actual message is:
  377.   
  378.       Bytes       Content
  379.      0-15       MD5 signature of plaintext
  380.     16-19       Length of plaintext, big-endian order
  381.     20-end      Plaintext
  382.     
  383.   */
  384.   
  385.   var t=this.escape(header + plaintext);//converte caratteri in esadecimale
  386.  
  387.   for(var i=0;i<t.length%16;i++) t+='0'; //mette degli zeri nei restanti spazi liberi
  388.     var r='';
  389.     for(var i=0;i<t.length;i+=16){
  390.         this.xr_par=this.wordunescape(t.substr(i,8));
  391.         this.xl_par=this.wordunescape(t.substr(i+8,8));
  392.         this.encipher();
  393.         r+=this.wordescape(this.xr_par)+this.wordescape(this.xl_par);
  394.     }
  395.   
  396.     r=hexToByteArray(r);
  397.  
  398.     if (tipo_pwd_enc[2].selected) {
  399.         v = armour_codegroup(r);
  400.     } 
  401.   else if (tipo_pwd_enc[3].selected) {
  402.         v = armour_hex(r);
  403.     } 
  404.   else if (tipo_pwd_enc[4].selected) {
  405.         v = armour_base64(r);
  406.     }    
  407.     return prefix + v + suffix;
  408. };
  409.  
  410. Blowfish.prototype.decryptBlowfish=function(t,tipo_pwd_enc){
  411.   var ct = new Array(), kt;
  412.   kt = determineArmourType(t,tipo_pwd_enc);
  413.   if (kt == 0) {
  414.             ct = disarm_codegroup(t);
  415.     } else if (kt == 1) {
  416.             ct = disarm_hex(t);
  417.     } else if (kt == 2) {
  418.             ct = disarm_base64(t);
  419.     }
  420.     t=byteArrayToHex(ct);
  421.     t=t.toUpperCase();
  422.     
  423.     for(var i=0;i<t.length%16;i++) t+='0';
  424.     var r='';
  425.     for (var i=0;i<t.length;i+=16){
  426.         this.xr_par=this.wordunescape(t.substr(i,8));
  427.         this.xl_par=this.wordunescape(t.substr(i+8,8));
  428.         this.decipher();
  429.         r+=this.wordescape(this.xr_par)+this.wordescape(this.xl_par);
  430.     }
  431.     
  432.     //var result=this.unescape(r);//converte da hex a caratteri
  433.     
  434.     var result=hexToByteArray(r);
  435.     
  436.     var header = result.slice(0, 20);
  437.     result = result.slice(20);
  438.  
  439.     /*  Extract the length of the plaintext transmitted and
  440.     verify its consistency with the length decoded.*/
  441.     
  442.     var dl = (header[16] << 24) | (header[17] << 16) | (header[18] << 8) | header[19];
  443.   if ((dl < 0) || (dl > result.length)) {
  444.       alert(strBundle.getFormattedString("jscryptDecryptErrMessage", [ dl , result.length ]));            
  445.           //    Try to sauve qui peut by setting length to entire message
  446.           dl = result.length;
  447.     }
  448.  
  449.     /*  Compute MD5 signature of message body and verify
  450.   against signature in message.  While we're at it,
  451.   we assemble the plaintext result string.  Note that
  452.   the length is that just extracted above from the
  453.   message, *not* the full decrypted message text.
  454.   */
  455.         
  456.     var i, plaintext = "";
  457.     
  458.     md5_init();
  459.     for (i = 0; i < dl; i++) {
  460.         plaintext += String.fromCharCode(result[i]);
  461.         md5_update(result[i]);
  462.     }
  463.     md5_finish();
  464.  
  465.     for (i = 0; i < digestBits.length; i++) {
  466.         if (digestBits[i] != header[i]) {
  467.             alert(strBundle.getString('jscryptDecryptErrMessage2'));
  468.             break;
  469.         }
  470.     }
  471.     //  That's it; plug plaintext into the result field
  472.     return decode_utf8(plaintext);
  473. };
  474.  
  475. Blowfish.prototype.wordescape=function(w){
  476.     var r='';
  477.     // reverse byteorder for intel systems
  478.     var m=new Array (this.wordbyte0(w),this.wordbyte1(w),this.wordbyte2(w),this.wordbyte3(w));
  479.     for(var i=3;i>=0;i--){
  480.         var t1=Math.floor(m[i]/16);
  481.         var t2=m[i]%16;
  482.         if (t1<10) t1+=48;
  483.         else t1+=55;
  484.         if (t2<10) t2+=48;
  485.         else t2+=55;
  486.         r+=String.fromCharCode(t1)+String.fromCharCode(t2);
  487.     }
  488.     return r;
  489. };
  490. Blowfish.prototype.wordunescape=function(t){
  491.     var r=0;
  492.     // reverse byteorder for intel systems
  493.     for(var i=6;i>=0;i-=2){
  494.         var t1=t.charCodeAt(i);
  495.         var t2=t.charCodeAt(i+1);
  496.         if (t1<58) t1-=48;
  497.         else t1-=55;
  498.         if (t2<58) t2-=48;
  499.         else t2-=55;
  500.         r=r*256+(t1*16+t2);
  501.     }
  502.     return r;
  503. };
  504. Blowfish.prototype.roundBlowfish=function(a,b,n){
  505.     var t=this;
  506.     return(t.xorBlowfish(a,t.xorBlowfish(((t.xorBlowfish((t.bf_S0[t.wordbyte0(b)]+t.bf_S1[t.wordbyte1(b)]),t.bf_S2[t.wordbyte2(b)]))+t.bf_S3[t.wordbyte3(b)]),t.bf_P[n])));
  507. };
  508. Blowfish.prototype.encipher=function(){
  509.     var t=this;
  510.     var Xl=t.xl_par;
  511.     var Xr=t.xr_par;
  512.     Xl=t.xorBlowfish(Xl,t.bf_P[0]);
  513.     //ridotto righe di codice usando un for
  514.     for(var i=0;i<16;i+=2){
  515.     Xr=t.roundBlowfish(Xr,Xl,i+1);
  516.     Xl=t.roundBlowfish(Xl,Xr,i+2);
  517.   }
  518.     Xr=t.xorBlowfish(Xr,t.bf_P[17]);
  519.     t.xl_par=Xr;
  520.     t.xr_par=Xl;
  521. };
  522. Blowfish.prototype.decipher=function(){
  523.     var t=this;
  524.     var Xl=t.xl_par;
  525.     var Xr=t.xr_par;
  526.     Xl=t.xorBlowfish(Xl,t.bf_P[17]);
  527.     //ridotto righe di codice usando un for
  528.     for(var i=16;i>0;i-=2){
  529.     Xr=t.roundBlowfish(Xr,Xl,i);
  530.     Xl=t.roundBlowfish(Xl,Xr,i-1);
  531.   }
  532.     Xr=t.xorBlowfish(Xr,t.bf_P[0]);
  533.     t.xl_par=Xr;
  534.     t.xr_par=Xl;
  535. };
  536.