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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
Copyright Brian Turek 2008-2015
Distributed under the BSD License
See http://caligatio.github.com/jsSHA/ for more information
Several functions taken from Paul Johnston
*/
'use strict';(function(I){function u(c,a,b){var g=0,d=[],f=0,e,h,q,m,n,E,t,p=!1,l=[],r=[],k,x=!1;b=b||{};e=b.encoding||"UTF8";k=b.numRounds||1;q=y(a,e);if(k!==parseInt(k,10)||1>k)throw Error("numRounds must a integer >= 1");E=function(a,b){return z(a,b,c)};t=function(a,b,f,d){var g,e;if("SHA-224"===c||"SHA-256"===c)g=(b+65>>>9<<4)+15,e=16;else throw Error("Unexpected error in SHA-2 implementation");for(;a.length<=g;)a.push(0);a[b>>>5]|=128<<24-b%32;a[g]=b+f;f=a.length;for(b=0;b<f;b+=e)d=z(a.slice(b,
b+e),d,c);if("SHA-224"===c)a=[d[0],d[1],d[2],d[3],d[4],d[5],d[6]];else if("SHA-256"===c)a=d;else throw Error("Unexpected error in SHA-2 implementation");return a};if("SHA-224"===c)n=512,m=224;else if("SHA-256"===c)n=512,m=256;else throw Error("Chosen SHA variant is not supported");h=v(c);this.setHMACKey=function(a,b,d){var f;if(!0===p)throw Error("HMAC key already set");if(!0===x)throw Error("Cannot set HMAC key after calling update");e=(d||{}).encoding||"UTF8";b=y(b,e)(a);a=b.binLen;b=b.value;f=
n>>>3;d=f/4-1;if(f<a/8){for(b=t(b,a,0,v(c));b.length<=d;)b.push(0);b[d]&=4294967040}else if(f>a/8){for(;b.length<=d;)b.push(0);b[d]&=4294967040}for(a=0;a<=d;a+=1)l[a]=b[a]^909522486,r[a]=b[a]^1549556828;h=E(l,h);g=n;p=!0};this.update=function(a){var b,c,e,m=0,p=n>>>5;b=q(a,d,f);a=b.binLen;c=b.value;b=a>>>5;for(e=0;e<b;e+=p)m+n<=a&&(h=E(c.slice(e,e+p),h),m+=n);g+=m;d=c.slice(m>>>5);f=a%n;x=!0};this.getHash=function(a,b){var e,n,q,l;if(!0===p)throw Error("Cannot call getHash after setting HMAC key");
q=A(b);switch(a){case "HEX":e=function(a){return B(a,q)};break;case "B64":e=function(a){return C(a,q)};break;case "BYTES":e=D;break;default:throw Error("format must be HEX, B64, or BYTES");}l=t(d.slice(),f,g,h.slice());for(n=1;n<k;n+=1)l=t(l,m,0,v(c));return e(l)};this.getHMAC=function(a,b){var e,q,l,k;if(!1===p)throw Error("Cannot call getHMAC without first setting HMAC key");l=A(b);switch(a){case "HEX":e=function(a){return B(a,l)};break;case "B64":e=function(a){return C(a,l)};break;case "BYTES":e=
D;break;default:throw Error("outputFormat must be HEX, B64, or BYTES");}q=t(d.slice(),f,g,h.slice());k=E(r,v(c));k=t(q,m,n,k);return e(k)}}function l(){}function J(c,a,b){var g=c.length,d,f,e,h,q;a=a||[0];b=b||0;q=b>>>3;if(0!==g%2)throw Error("String of HEX type must be in byte increments");for(d=0;d<g;d+=2){f=parseInt(c.substr(d,2),16);if(isNaN(f))throw Error("String of HEX type contains invalid characters");h=(d>>>1)+q;for(e=h>>>2;a.length<=e;)a.push(0);a[e]|=f<<8*(3-h%4)}return{value:a,binLen:4*
g+b}}function K(c,a,b){var g=[],d,f,e,h,g=a||[0];b=b||0;f=b>>>3;for(d=0;d<c.length;d+=1)a=c.charCodeAt(d),h=d+f,e=h>>>2,g.length<=e&&g.push(0),g[e]|=a<<8*(3-h%4);return{value:g,binLen:8*c.length+b}}function L(c,a,b){var g=[],d=0,f,e,h,q,m,n,g=a||[0];b=b||0;a=b>>>3;if(-1===c.search(/^[a-zA-Z0-9=+\/]+$/))throw Error("Invalid character in base-64 string");e=c.indexOf("=");c=c.replace(/\=/g,"");if(-1!==e&&e<c.length)throw Error("Invalid '=' found in base-64 string");for(e=0;e<c.length;e+=4){m=c.substr(e,
4);for(h=q=0;h<m.length;h+=1)f="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(m[h]),q|=f<<18-6*h;for(h=0;h<m.length-1;h+=1){n=d+a;for(f=n>>>2;g.length<=f;)g.push(0);g[f]|=(q>>>16-8*h&255)<<8*(3-n%4);d+=1}}return{value:g,binLen:8*d+b}}function B(c,a){var b="",g=4*c.length,d,f;for(d=0;d<g;d+=1)f=c[d>>>2]>>>8*(3-d%4),b+="0123456789abcdef".charAt(f>>>4&15)+"0123456789abcdef".charAt(f&15);return a.outputUpper?b.toUpperCase():b}function C(c,a){var b="",g=4*c.length,d,f,e;for(d=
0;d<g;d+=3)for(e=d+1>>>2,f=c.length<=e?0:c[e],e=d+2>>>2,e=c.length<=e?0:c[e],e=(c[d>>>2]>>>8*(3-d%4)&255)<<16|(f>>>8*(3-(d+1)%4)&255)<<8|e>>>8*(3-(d+2)%4)&255,f=0;4>f;f+=1)8*d+6*f<=32*c.length?b+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(e>>>6*(3-f)&63):b+=a.b64Pad;return b}function D(c){var a="",b=4*c.length,g,d;for(g=0;g<b;g+=1)d=c[g>>>2]>>>8*(3-g%4)&255,a+=String.fromCharCode(d);return a}function A(c){var a={outputUpper:!1,b64Pad:"="};c=c||{};a.outputUpper=c.outputUpper||
!1;!0===c.hasOwnProperty("b64Pad")&&(a.b64Pad=c.b64Pad);if("boolean"!==typeof a.outputUpper)throw Error("Invalid outputUpper formatting option");if("string"!==typeof a.b64Pad)throw Error("Invalid b64Pad formatting option");return a}function y(c,a){var b;switch(a){case "UTF8":case "UTF16BE":case "UTF16LE":break;default:throw Error("encoding must be UTF8, UTF16BE, or UTF16LE");}switch(c){case "HEX":b=J;break;case "TEXT":b=function(b,c,f){var e=[],h=[],q=0,m,n,l,k,p,e=c||[0];c=f||0;l=c>>>3;if("UTF8"===
a)for(m=0;m<b.length;m+=1)for(f=b.charCodeAt(m),h=[],128>f?h.push(f):2048>f?(h.push(192|f>>>6),h.push(128|f&63)):55296>f||57344<=f?h.push(224|f>>>12,128|f>>>6&63,128|f&63):(m+=1,f=65536+((f&1023)<<10|b.charCodeAt(m)&1023),h.push(240|f>>>18,128|f>>>12&63,128|f>>>6&63,128|f&63)),n=0;n<h.length;n+=1){p=q+l;for(k=p>>>2;e.length<=k;)e.push(0);e[k]|=h[n]<<8*(3-p%4);q+=1}else if("UTF16BE"===a||"UTF16LE"===a)for(m=0;m<b.length;m+=1){f=b.charCodeAt(m);"UTF16LE"===a&&(n=f&255,f=n<<8|f>>>8);p=q+l;for(k=p>>>
2;e.length<=k;)e.push(0);e[k]|=f<<8*(2-p%4);q+=2}return{value:e,binLen:8*q+c}};break;case "B64":b=L;break;case "BYTES":b=K;break;default:throw Error("format must be HEX, TEXT, B64, or BYTES");}return b}function k(c,a){return c>>>a|c<<32-a}function M(c,a,b){return c&a^~c&b}function N(c,a,b){return c&a^c&b^a&b}function O(c){return k(c,2)^k(c,13)^k(c,22)}function P(c){return k(c,6)^k(c,11)^k(c,25)}function Q(c){return k(c,7)^k(c,18)^c>>>3}function R(c){return k(c,17)^k(c,19)^c>>>10}function S(c,a){var b=
(c&65535)+(a&65535);return((c>>>16)+(a>>>16)+(b>>>16)&65535)<<16|b&65535}function T(c,a,b,g){var d=(c&65535)+(a&65535)+(b&65535)+(g&65535);return((c>>>16)+(a>>>16)+(b>>>16)+(g>>>16)+(d>>>16)&65535)<<16|d&65535}function U(c,a,b,g,d){var f=(c&65535)+(a&65535)+(b&65535)+(g&65535)+(d&65535);return((c>>>16)+(a>>>16)+(b>>>16)+(g>>>16)+(d>>>16)+(f>>>16)&65535)<<16|f&65535}function v(c){var a,b;a=[3238371032,914150663,812702999,4144912697,4290775857,1750603025,1694076839,3204075428];b=[1779033703,3144134277,
1013904242,2773480762,1359893119,2600822924,528734635,1541459225];switch(c){case "SHA-224":c=a;break;case "SHA-256":c=b;break;case "SHA-384":c=[new l,new l,new l,new l,new l,new l,new l,new l];break;case "SHA-512":c=[new l,new l,new l,new l,new l,new l,new l,new l];break;default:throw Error("Unknown SHA variant");}return c}function z(c,a,b){var g,d,f,e,h,l,m,n,k,t,p,u,r,v,x,y,z,A,B,C,D,F,w=[],G;if("SHA-224"===b||"SHA-256"===b)t=64,u=1,F=Number,r=S,v=T,x=U,y=Q,z=R,A=O,B=P,D=N,C=M,G=H;else throw Error("Unexpected error in SHA-2 implementation");
b=a[0];g=a[1];d=a[2];f=a[3];e=a[4];h=a[5];l=a[6];m=a[7];for(p=0;p<t;p+=1)16>p?(k=p*u,n=c.length<=k?0:c[k],k=c.length<=k+1?0:c[k+1],w[p]=new F(n,k)):w[p]=v(z(w[p-2]),w[p-7],y(w[p-15]),w[p-16]),n=x(m,B(e),C(e,h,l),G[p],w[p]),k=r(A(b),D(b,g,d)),m=l,l=h,h=e,e=r(f,n),f=d,d=g,g=b,b=r(n,k);a[0]=r(b,a[0]);a[1]=r(g,a[1]);a[2]=r(d,a[2]);a[3]=r(f,a[3]);a[4]=r(e,a[4]);a[5]=r(h,a[5]);a[6]=r(l,a[6]);a[7]=r(m,a[7]);return a}var H;H=[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];"function"===typeof define&&define.amd?define(function(){return u}):"undefined"!==typeof exports?"undefined"!==typeof module&&module.exports?module.exports=exports=u:exports=u:I.jsSHA=u})(this);
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