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sha512.js
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sha512.js
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/* A JavaScript implementation of the SHA family of hashes, as defined in FIPS
* PUB 180-2 as well as the corresponding HMAC implementation as defined in
* FIPS PUB 198a
*
* Version 1.3 Copyright Brian Turek 2008-2010
* Distributed under the BSD License
* See http://jssha.sourceforge.net/ for more information
*
* Several functions taken from Paul Johnson
*/
(function(){var charSize=8,b64pad="",hexCase=0,Int_64=function(a,b){this.highOrder=a;this.lowOrder=b},str2binb=function(a){var b=[],mask=(1<<charSize)-1,length=a.length*charSize,i;for(i=0;i<length;i+=charSize){b[i>>5]|=(a.charCodeAt(i/charSize)&mask)<<(32-charSize-(i%32))}return b},hex2binb=function(a){var b=[],length=a.length,i,num;for(i=0;i<length;i+=2){num=parseInt(a.substr(i,2),16);if(!isNaN(num)){b[i>>3]|=num<<(24-(4*(i%8)))}else{return"INVALID HEX STRING"}}return b},binb2hex=function(a){var b=(hexCase)?"0123456789ABCDEF":"0123456789abcdef",str="",length=a.length*4,i,srcByte;for(i=0;i<length;i+=1){srcByte=a[i>>2]>>((3-(i%4))*8);str+=b.charAt((srcByte>>4)&0xF)+b.charAt(srcByte&0xF)}return str},binb2b64=function(a){var b="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"+"0123456789+/",str="",length=a.length*4,i,j,triplet;for(i=0;i<length;i+=3){triplet=(((a[i>>2]>>8*(3-i%4))&0xFF)<<16)|(((a[i+1>>2]>>8*(3-(i+1)%4))&0xFF)<<8)|((a[i+2>>2]>>8*(3-(i+2)%4))&0xFF);for(j=0;j<4;j+=1){if(i*8+j*6<=a.length*32){str+=b.charAt((triplet>>6*(3-j))&0x3F)}else{str+=b64pad}}}return str},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{return new Int_64((x.lowOrder>>>n)|(x.highOrder<<(32-n)),(x.highOrder>>>n)|(x.lowOrder<<(32-n)))}},shr=function(x,n){if(n<=32){return new Int_64(x.highOrder>>>n,x.lowOrder>>>n|(x.highOrder<<(32-n)))}else{return new Int_64(0,x.highOrder<<(32-n))}},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))},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))},sigma0=function(x){var a=rotr(x,28),rotr34=rotr(x,34),rotr39=rotr(x,39);return new Int_64(a.highOrder^rotr34.highOrder^rotr39.highOrder,a.lowOrder^rotr34.lowOrder^rotr39.lowOrder)},sigma1=function(x){var a=rotr(x,14),rotr18=rotr(x,18),rotr41=rotr(x,41);return new Int_64(a.highOrder^rotr18.highOrder^rotr41.highOrder,a.lowOrder^rotr18.lowOrder^rotr41.lowOrder)},gamma0=function(x){var a=rotr(x,1),rotr8=rotr(x,8),shr7=shr(x,7);return new Int_64(a.highOrder^rotr8.highOrder^shr7.highOrder,a.lowOrder^rotr8.lowOrder^shr7.lowOrder)},gamma1=function(x){var a=rotr(x,19),rotr61=rotr(x,61),shr6=shr(x,6);return new Int_64(a.highOrder^rotr61.highOrder^shr6.highOrder,a.lowOrder^rotr61.lowOrder^shr6.lowOrder)},safeAdd_2=function(x,y){var a,msw,lowOrder,highOrder;a=(x.lowOrder&0xFFFF)+(y.lowOrder&0xFFFF);msw=(x.lowOrder>>>16)+(y.lowOrder>>>16)+(a>>>16);lowOrder=((msw&0xFFFF)<<16)|(a&0xFFFF);a=(x.highOrder&0xFFFF)+(y.highOrder&0xFFFF)+(msw>>>16);msw=(x.highOrder>>>16)+(y.highOrder>>>16)+(a>>>16);highOrder=((msw&0xFFFF)<<16)|(a&0xFFFF);return new Int_64(highOrder,lowOrder)},safeAdd_4=function(a,b,c,d){var e,msw,lowOrder,highOrder;e=(a.lowOrder&0xFFFF)+(b.lowOrder&0xFFFF)+(c.lowOrder&0xFFFF)+(d.lowOrder&0xFFFF);msw=(a.lowOrder>>>16)+(b.lowOrder>>>16)+(c.lowOrder>>>16)+(d.lowOrder>>>16)+(e>>>16);lowOrder=((msw&0xFFFF)<<16)|(e&0xFFFF);e=(a.highOrder&0xFFFF)+(b.highOrder&0xFFFF)+(c.highOrder&0xFFFF)+(d.highOrder&0xFFFF)+(msw>>>16);msw=(a.highOrder>>>16)+(b.highOrder>>>16)+(c.highOrder>>>16)+(d.highOrder>>>16)+(e>>>16);highOrder=((msw&0xFFFF)<<16)|(e&0xFFFF);return new Int_64(highOrder,lowOrder)},safeAdd_5=function(a,b,c,d,e){var f,msw,lowOrder,highOrder;f=(a.lowOrder&0xFFFF)+(b.lowOrder&0xFFFF)+(c.lowOrder&0xFFFF)+(d.lowOrder&0xFFFF)+(e.lowOrder&0xFFFF);msw=(a.lowOrder>>>16)+(b.lowOrder>>>16)+(c.lowOrder>>>16)+(d.lowOrder>>>16)+(e.lowOrder>>>16)+(f>>>16);lowOrder=((msw&0xFFFF)<<16)|(f&0xFFFF);f=(a.highOrder&0xFFFF)+(b.highOrder&0xFFFF)+(c.highOrder&0xFFFF)+(d.highOrder&0xFFFF)+(e.highOrder&0xFFFF)+(msw>>>16);msw=(a.highOrder>>>16)+(b.highOrder>>>16)+(c.highOrder>>>16)+(d.highOrder>>>16)+(e.highOrder>>>16)+(f>>>16);highOrder=((msw&0xFFFF)<<16)|(f&0xFFFF);return new Int_64(highOrder,lowOrder)},coreSHA2=function(j,k,l){var a,b,c,d,e,f,g,h,T1,T2,H,lengthPosition,i,t,K,W=[],appendedMessageLength;if(l==="SHA-384"||l==="SHA-512"){lengthPosition=(((k+128)>>10)<<5)+31;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(l==="SHA-384"){H=[new Int_64(0xcbbb9d5d,0xc1059ed8),new Int_64(0x0629a292a,0x367cd507),new Int_64(0x9159015a,0x3070dd17),new Int_64(0x0152fecd8,0xf70e5939),new Int_64(0x67332667,0xffc00b31),new Int_64(0x98eb44a87,0x68581511),new Int_64(0xdb0c2e0d,0x64f98fa7),new Int_64(0x047b5481d,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)]}}j[k>>5]|=0x80<<(24-k%32);j[lengthPosition]=k;appendedMessageLength=j.length;for(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(t=0;t<80;t+=1){if(t<16){W[t]=new Int_64(j[t*2+i],j[t*2+i+1])}else{W[t]=safeAdd_4(gamma1(W[t-2]),W[t-7],gamma0(W[t-15]),W[t-16])}T1=safeAdd_5(h,sigma1(e),ch(e,f,g),K[t],W[t]);T2=safeAdd_2(sigma0(a),maj(a,b,c));h=g;g=f;f=e;e=safeAdd_2(d,T1);d=c;c=b;b=a;a=safeAdd_2(T1,T2)}H[0]=safeAdd_2(a,H[0]);H[1]=safeAdd_2(b,H[1]);H[2]=safeAdd_2(c,H[2]);H[3]=safeAdd_2(d,H[3]);H[4]=safeAdd_2(e,H[4]);H[5]=safeAdd_2(f,H[5]);H[6]=safeAdd_2(g,H[6]);H[7]=safeAdd_2(h,H[7])}switch(l){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[]}},jsSHA=function(a,b){this.sha384=null;this.sha512=null;this.strBinLen=null;this.strToHash=null;if("HEX"===b){if(0!==(a.length%2)){return"TEXT MUST BE IN BYTE INCREMENTS"}this.strBinLen=a.length*4;this.strToHash=hex2binb(a)}else if(("ASCII"===b)||('undefined'===typeof(b))){this.strBinLen=a.length*charSize;this.strToHash=str2binb(a)}else{return"UNKNOWN TEXT INPUT TYPE"}};jsSHA.prototype={getHash:function(a,b){var c=null,message=this.strToHash.slice();switch(b){case"HEX":c=binb2hex;break;case"B64":c=binb2b64;break;default:return"FORMAT NOT RECOGNIZED"}switch(a){case"SHA-384":if(null===this.sha384){this.sha384=coreSHA2(message,this.strBinLen,a)}return c(this.sha384);case"SHA-512":if(null===this.sha512){this.sha512=coreSHA2(message,this.strBinLen,a)}return c(this.sha512);default:return"HASH NOT RECOGNIZED"}},getHMAC:function(a,b,c,d){var e,keyToUse,i,retVal,keyBinLen,hashBitSize,keyWithIPad=[],keyWithOPad=[];switch(d){case"HEX":e=binb2hex;break;case"B64":e=binb2b64;break;default:return"FORMAT NOT RECOGNIZED"}switch(c){case"SHA-384":hashBitSize=384;break;case"SHA-512":hashBitSize=512;break;default:return"HASH NOT RECOGNIZED"}if("HEX"===b){if(0!==(a.length%2)){return"KEY MUST BE IN BYTE INCREMENTS"}keyToUse=hex2binb(a);keyBinLen=a.length*4}else if("ASCII"===b){keyToUse=str2binb(a);keyBinLen=a.length*charSize}else{return"UNKNOWN KEY INPUT TYPE"}if(128<(keyBinLen/8)){keyToUse=coreSHA2(keyToUse,keyBinLen,c);keyToUse[31]&=0xFFFFFF00}else if(128>(keyBinLen/8)){keyToUse[31]&=0xFFFFFF00}for(i=0;i<=31;i+=1){keyWithIPad[i]=keyToUse[i]^0x36363636;keyWithOPad[i]=keyToUse[i]^0x5C5C5C5C}retVal=coreSHA2(keyWithIPad.concat(this.strToHash),1024+this.strBinLen,c);retVal=coreSHA2(keyWithOPad.concat(retVal),1024+hashBitSize,c);return(e(retVal))}};window.jsSHA=jsSHA}());