/* A JavaScript implementation of the SHA family of hashes, as defined in FIPS PUB 180-2
* Version 1.11 Copyright Brian Turek 2008
* Distributed under the BSD License
* See http://jssha.sourceforge.net/ for more information
*
* Several functions taken from Paul Johnson
*/
function Int_64(msint_32,lsint_32){this.highOrder=msint_32;this.lowOrder=lsint_32;}function jsSHA(srcString){jsSHA.charSize=8;jsSHA.b64pad ="";jsSHA.hexCase=0;var sha384=null;var sha512=null;var str2binb=function(str){var bin=[];var mask =(1 << jsSHA.charSize)- 1;var length=str.length*jsSHA.charSize;for(var i=0;i<length;i += jsSHA.charSize){bin[i >> 5] |=(str.charCodeAt(i/jsSHA.charSize)& mask)<<(32-jsSHA.charSize-i%32);}return bin;};var strBinLen=srcString.length*jsSHA.charSize;var strToHash=str2binb(srcString);var binb2hex=function(binarray){var hex_tab=jsSHA.hexCase?"0123456789ABCDEF":"0123456789abcdef";var str="";var length=binarray.length*4;for(var i=0;i<length;i++){str += hex_tab.charAt((binarray[i >> 2] >>((3-i%4)* 8+4))& 0xF)+ hex_tab.charAt((binarray[i >> 2] >>((3-i%4)* 8))& 0xF);}return str;};var binb2b64=function(binarray){var tab="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";var str="";var length=binarray.length*4;for(var i=0;i<length;i += 3){var triplet =(((binarray[i >> 2] >> 8 *(3-i%4))& 0xFF)<< 16)|(((binarray[i+1 >> 2] >> 8 *(3 -(i+1)% 4))& 0xFF)<< 8)|((binarray[i+2 >> 2] >> 8 *(3 -(i+2)% 4))& 0xFF);for(var j=0;j<4;j++){if(i*8+j*6>binarray.length*32){str += jsSHA.b64pad;}else{str += tab.charAt((triplet >> 6 *(3-j))& 0x3F);}}}return str;};var rotr=function(x,n){if(n<32){return new Int_64((x.highOrder >>> n)|(x.lowOrder <<(32-n)),(x.lowOrder >>> n)|(x.highOrder <<(32-n)));}else if(n===32){return new Int_64(x.lowOrder,x.highOrder);}else{return rotr(rotr(x,32),n-32);}};var shr=function(x,n){if(n<32){return new Int_64(x.highOrder >>> n,x.lowOrder >>> n |(x.highOrder <<(32-n)));}else if(n===32){return new Int_64(0,x.highOrder);}else{return shr(shr(x,32),n-32);}};var ch=function(x,y,z){return new Int_64((x.highOrder & y.highOrder)^(~x.highOrder & z.highOrder),(x.lowOrder & y.lowOrder)^(~x.lowOrder & z.lowOrder));};var maj=function(x,y,z){return new Int_64((x.highOrder & y.highOrder)^(x.highOrder & z.highOrder)^(y.highOrder & z.highOrder),(x.lowOrder & y.lowOrder)^(x.lowOrder & z.lowOrder)^(y.lowOrder & z.lowOrder));};var sigma0=function(x){var rotr28=rotr(x,28);var rotr34=rotr(x,34);var rotr39=rotr(x,39);return new Int_64(rotr28.highOrder ^ rotr34.highOrder ^ rotr39.highOrder,rotr28.lowOrder ^ rotr34.lowOrder ^ rotr39.lowOrder);};var sigma1=function(x){var rotr14=rotr(x,14);var rotr18=rotr(x,18);var rotr41=rotr(x,41);return new Int_64(rotr14.highOrder ^ rotr18.highOrder ^ rotr41.highOrder,rotr14.lowOrder ^ rotr18.lowOrder ^ rotr41.lowOrder);};var gamma0=function(x){var rotr1=rotr(x,1);var rotr8=rotr(x,8);var shr7=shr(x,7);return new Int_64(rotr1.highOrder ^ rotr8.highOrder ^ shr7.highOrder,rotr1.lowOrder ^ rotr8.lowOrder ^ shr7.lowOrder);};var gamma1=function(x){var rotr19=rotr(x,19);var rotr61=rotr(x,61);var shr6=shr(x,6);return new Int_64(rotr19.highOrder ^ rotr61.highOrder ^ shr6.highOrder,rotr19.lowOrder ^ rotr61.lowOrder ^ shr6.lowOrder);};var safeAdd=function(x,y){var lsw =(x.lowOrder & 0xFFFF)+(y.lowOrder & 0xFFFF);var msw =(x.lowOrder >>> 16)+(y.lowOrder >>> 16)+(lsw >>> 16);var lowOrder =((msw & 0xFFFF)<< 16)|(lsw & 0xFFFF);lsw =(x.highOrder & 0xFFFF)+(y.highOrder & 0xFFFF)+(msw >>> 16);msw =(x.highOrder >>> 16)+(y.highOrder >>> 16)+(lsw >>> 16);var highOrder =((msw & 0xFFFF)<< 16)|(lsw & 0xFFFF);return new Int_64(highOrder,lowOrder);};var coreSHA2=function(variant){var W=[];var a,b,c,d,e,f,g,h;var T1,T2;var H;var K=[new Int_64(0x428a2f98,0xd728ae22),new Int_64(0x71374491,0x23ef65cd),new Int_64(0xb5c0fbcf,0xec4d3b2f),new Int_64(0xe9b5dba5,0x8189dbbc),new Int_64(0x3956c25b,0xf348b538),new Int_64(0x59f111f1,0xb605d019),new Int_64(0x923f82a4,0xaf194f9b),new Int_64(0xab1c5ed5,0xda6d8118),new Int_64(0xd807aa98,0xa3030242),new Int_64(0x12835b01,0x45706fbe),new Int_64(0x243185be,0x4ee4b28c),new Int_64(0x550c7dc3,0xd5ffb4e2),new Int_64(0x72be5d74,0xf27b896f),new Int_64(0x80deb1fe,0x3b1696b1),new Int_64(0x9bdc06a7,0x25c71235),new Int_64(0xc19bf174,0xcf692694),new Int_64(0xe49b69c1,0x9ef14ad2),new Int_64(0xefbe4786,0x384f25e3),new Int_64(0x0fc19dc6,0x8b8cd5b5),new Int_64(0x240ca1cc,0x77ac9c65),new Int_64(0x2de92c6f,0x592b0275),new Int_64(0x4a7484aa,0x6ea6e483),new Int_64(0x5cb0a9dc,0xbd41fbd4),new Int_64(0x76f988da,0x831153b5),new Int_64(0x983e5152,0xee66dfab),new Int_64(0xa831c66d,0x2db43210),new Int_64(0xb00327c8,0x98fb213f),new Int_64(0xbf597fc7,0xbeef0ee4),new Int_64(0xc6e00bf3,0x3da88fc2),new Int_64(0xd5a79147,0x930aa725),new Int_64(0x06ca6351,0xe003826f),new Int_64(0x14292967,0x0a0e6e70),new Int_64(0x27b70a85,0x46d22ffc),new Int_64(0x2e1b2138,0x5c26c926),new Int_64(0x4d2c6dfc,0x5ac42aed),new Int_64(0x53380d13,0x9d95b3df),new Int_64(0x650a7354,0x8baf63de),new Int_64(0x766a0abb,0x3c77b2a8),new Int_64(0x81c2c92e,0x47edaee6),new Int_64(0x92722c85,0x1482353b),new Int_64(0xa2bfe8a1,0x4cf10364),new Int_64(0xa81a664b,0xbc423001),new Int_64(0xc24b8b70,0xd0f89791),new Int_64(0xc76c51a3,0x0654be30),new Int_64(0xd192e819,0xd6ef5218),new Int_64(0xd6990624,0x5565a910),new Int_64(0xf40e3585,0x5771202a),new Int_64(0x106aa070,0x32bbd1b8),new Int_64(0x19a4c116,0xb8d2d0c8),new Int_64(0x1e376c08,0x5141ab53),new Int_64(0x2748774c,0xdf8eeb99),new Int_64(0x34b0bcb5,0xe19b48a8),new Int_64(0x391c0cb3,0xc5c95a63),new Int_64(0x4ed8aa4a,0xe3418acb),new Int_64(0x5b9cca4f,0x7763e373),new Int_64(0x682e6ff3,0xd6b2b8a3),new Int_64(0x748f82ee,0x5defb2fc),new Int_64(0x78a5636f,0x43172f60),new Int_64(0x84c87814,0xa1f0ab72),new Int_64(0x8cc70208,0x1a6439ec),new Int_64(0x90befffa,0x23631e28),new Int_64(0xa4506ceb,0xde82bde9),new Int_64(0xbef9a3f7,0xb2c67915),new Int_64(0xc67178f2,0xe372532b),new Int_64(0xca273ece,0xea26619c),new Int_64(0xd186b8c7,0x21c0c207),new Int_64(0xeada7dd6,0xcde0eb1e),new Int_64(0xf57d4f7f,0xee6ed178),new Int_64(0x06f067aa,0x72176fba),new Int_64(0x0a637dc5,0xa2c898a6),new Int_64(0x113f9804,0xbef90dae),new Int_64(0x1b710b35,0x131c471b),new Int_64(0x28db77f5,0x23047d84),new Int_64(0x32caab7b,0x40c72493),new Int_64(0x3c9ebe0a,0x15c9bebc),new Int_64(0x431d67c4,0x9c100d4c),new Int_64(0x4cc5d4be,0xcb3e42b6),new Int_64(0x597f299c,0xfc657e2a),new Int_64(0x5fcb6fab,0x3ad6faec),new Int_64(0x6c44198c,0x4a475817)];if(variant==="SHA-384"){H=[new Int_64(0xcbbb9d5d,0xc1059ed8),new Int_64(0x0629a292a,0x367cd507),new Int_64(0x9159015a,0x3070dd17),new Int_64(0x152fecd8,0xf70e5939),new Int_64(0x67332667,0xffc00b31),new Int_64(0x98eb44a87,0x68581511),new Int_64(0xdb0c2e0d,0x64f98fa7),new Int_64(0x47b5481d,0xbefa4fa4)];}else{H=[new Int_64(0x6a09e667,0xf3bcc908),new Int_64(0xbb67ae85,0x84caa73b),new Int_64(0x3c6ef372,0xfe94f82b),new Int_64(0xa54ff53a,0x5f1d36f1),new Int_64(0x510e527f,0xade682d1),new Int_64(0x9b05688c,0x2b3e6c1f),new Int_64(0x1f83d9ab,0xfb41bd6b),new Int_64(0x5be0cd19,0x137e2179)];}var message=strToHash.slice();message[strBinLen >> 5] |= 0x80 <<(24-strBinLen%32);message[((strBinLen+1+128 >> 10)<< 5)+ 31]=strBinLen;var appendedMessageLength=message.length;for(var i=0;i<appendedMessageLength;i += 32){a=H[0];b=H[1];c=H[2];d=H[3];e=H[4];f=H[5];g=H[6];h=H[7];for(var t=0;t<80;t++){if(t<16){W[t]=new Int_64(message[t*2+i],message[t*2+i+1]);}else{W[t]=safeAdd(safeAdd(safeAdd(gamma1(W[t-2]),W[t-7]),gamma0(W[t-15])),W[t-16]);}T1=safeAdd(safeAdd(safeAdd(safeAdd(h,sigma1(e)),ch(e,f,g)),K[t]),W[t]);T2=safeAdd(sigma0(a),maj(a,b,c));h=g;g=f;f=e;e=safeAdd(d,T1);d=c;c=b;b=a;a=safeAdd(T1,T2);}H[0]=safeAdd(a,H[0]);H[1]=safeAdd(b,H[1]);H[2]=safeAdd(c,H[2]);H[3]=safeAdd(d,H[3]);H[4]=safeAdd(e,H[4]);H[5]=safeAdd(f,H[5]);H[6]=safeAdd(g,H[6]);H[7]=safeAdd(h,H[7]);}switch(variant){case "SHA-384":return[H[0].highOrder,H[0].lowOrder,H[1].highOrder,H[1].lowOrder,H[2].highOrder,H[2].lowOrder,H[3].highOrder,H[3].lowOrder,H[4].highOrder,H[4].lowOrder,H[5].highOrder,H[5].lowOrder];case "SHA-512":return[H[0].highOrder,H[0].lowOrder,H[1].highOrder,H[1].lowOrder,H[2].highOrder,H[2].lowOrder,H[3].highOrder,H[3].lowOrder,H[4].highOrder,H[4].lowOrder,H[5].highOrder,H[5].lowOrder,H[6].highOrder,H[6].lowOrder,H[7].highOrder,H[7].lowOrder];default:return [];}};this.getHash=function(variant,format){var formatFunc=null;switch(format){case "HEX":formatFunc=binb2hex;break;case "B64":formatFunc=binb2b64;break;default:return "FORMAT NOT RECOGNIZED";}switch(variant){case "SHA-384":if(sha384===null){sha384=coreSHA2(variant);}return formatFunc(sha384);case "SHA-512":if(sha512===null){sha512=coreSHA2(variant);}return formatFunc(sha512);default:return "HASH NOT RECOGNIZED";}};}
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