jquery.sha256.min.js

/**
 * SHA256 Hash Algorithm Plugin
 *
 * @version 1.1 (17/08/2012)
 * @requires jQuery v1.2.6+
 * @author Alex Weber <alexweber.com.br>
 * @copyright Copyright (c) 2008-2009, Alex Weber
 * @see http://anmar.eu.org/projects/jssha2/
 * @see http://pajhome.org.uk/crypt/md5
 *
 * Distributed under the terms of the new BSD License
 * http://www.opensource.org/licenses/bsd-license.php
 *
 */
(function(f){var m=8;var k=function(q,t){var s=(q&65535)+(t&65535);var r=(q>>16)+(t>>16)+(s>>16);return(r<<16)|(s&65535)};var e=function(r,q){return(r>>>q)|(r<<(32-q))};var g=function(r,q){return(r>>>q)};var a=function(q,s,r){return((q&s)^((~q)&r))};var d=function(q,s,r){return((q&s)^(q&r)^(s&r))};var h=function(q){return(e(q,2)^e(q,13)^e(q,22))};var b=function(q){return(e(q,6)^e(q,11)^e(q,25))};var p=function(q){return(e(q,7)^e(q,18)^g(q,3))};var l=function(q){return(e(q,17)^e(q,19)^g(q,10))};var c=function(r,s){var E=new Array(1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298);var t=new Array(1779033703,3144134277,1013904242,2773480762,1359893119,2600822924,528734635,1541459225);var q=new Array(64);var G,F,D,C,A,y,x,w,v,u;var B,z;r[s>>5]|=128<<(24-s%32);r[((s+64>>9)<<4)+15]=s;for(var v=0;v<r.length;v+=16){G=t[0];F=t[1];D=t[2];C=t[3];A=t[4];y=t[5];x=t[6];w=t[7];for(var u=0;u<64;u++){if(u<16){q[u]=r[u+v]}else{q[u]=k(k(k(l(q[u-2]),q[u-7]),p(q[u-15])),q[u-16])}B=k(k(k(k(w,b(A)),a(A,y,x)),E[u]),q[u]);z=k(h(G),d(G,F,D));w=x;x=y;y=A;A=k(C,B);C=D;D=F;F=G;G=k(B,z)}t[0]=k(G,t[0]);t[1]=k(F,t[1]);t[2]=k(D,t[2]);t[3]=k(C,t[3]);t[4]=k(A,t[4]);t[5]=k(y,t[5]);t[6]=k(x,t[6]);t[7]=k(w,t[7])}return t};var j=function(t){var s=Array();var q=(1<<m)-1;for(var r=0;r<t.length*m;r+=m){s[r>>5]|=(t.charCodeAt(r/m)&q)<<(24-r%32)}return s};var n=function(s){var r="0123456789abcdef";var t="";for(var q=0;q<s.length*4;q++){t+=r.charAt((s[q>>2]>>((3-q%4)*8+4))&15)+r.charAt((s[q>>2]>>((3-q%4)*8))&15)}return t};var o=function(s,v){var u=j(s);if(u.length>16){u=c(u,s.length*m)}var q=Array(16),t=Array(16);for(var r=0;r<16;r++){q[r]=u[r]^909522486;t[r]=u[r]^1549556828}var w=c(q.concat(j(v)),512+v.length*m);return c(t.concat(w),512+256)};var i=function(q){q=typeof q=="object"?f(q).val():q.toString();return q};f.extend({sha256:function(q){q=i(q);return n(c(j(q),q.length*m))},sha256hmac:function(q,r){q=i(q);r=i(r);return n(o(q,r))},sha256config:function(q){m=parseInt(q)||8}});f.fn.sha256=function(r){f.sha256config(r);var q=i(f(this).val());var s=f.sha256(q);f.sha256config(8);return s}})(jQuery);