diff options
Diffstat (limited to 'src/sha256.js')
| -rw-r--r-- | src/sha256.js | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/src/sha256.js b/src/sha256.js index e94f291..1b6fdad 100644 --- a/src/sha256.js +++ b/src/sha256.js @@ -9,17 +9,19 @@ Several functions taken from Paul Johnston */ -'use strict';(function(F){function u(a,b,d){var c=0,f=[0],h="",g=null,h=d||"UTF8";if("UTF8"!==h&&"UTF16BE"!==h&&"UTF16LE"!==h)throw"encoding must be UTF8, UTF16BE, or UTF16LE";if("HEX"===b){if(0!==a.length%2)throw"srcString of HEX type must be in byte increments";g=w(a);c=g.binLen;f=g.value}else if("TEXT"===b||"ASCII"===b)g=x(a,h),c=g.binLen,f=g.value;else if("B64"===b)g=y(a),c=g.binLen,f=g.value;else if("BYTES"===b)g=z(a),c=g.binLen,f=g.value;else throw"inputFormat must be HEX, TEXT, ASCII, B64, or BYTES"; -this.getHash=function(a,b,d,h){var g=null,e=f.slice(),k=c,l;3===arguments.length?"number"!==typeof d&&(h=d,d=1):2===arguments.length&&(d=1);if(d!==parseInt(d,10)||1>d)throw"numRounds must a integer >= 1";switch(b){case "HEX":g=A;break;case "B64":g=B;break;case "BYTES":g=C;break;default:throw"format must be HEX, B64, or BYTES";}if("SHA-224"===a)for(l=0;l<d;l+=1)e=t(e,k,a),k=224;else if("SHA-256"===a)for(l=0;l<d;l+=1)e=t(e,k,a),k=256;else throw"Chosen SHA variant is not supported";return g(e,D(h))}; -this.getHMAC=function(a,b,d,g,s){var e,k,l,n,p=[],E=[];e=null;switch(g){case "HEX":g=A;break;case "B64":g=B;break;case "BYTES":g=C;break;default:throw"outputFormat must be HEX, B64, or BYTES";}if("SHA-224"===d)k=64,n=224;else if("SHA-256"===d)k=64,n=256;else throw"Chosen SHA variant is not supported";if("HEX"===b)e=w(a),l=e.binLen,e=e.value;else if("TEXT"===b||"ASCII"===b)e=x(a,h),l=e.binLen,e=e.value;else if("B64"===b)e=y(a),l=e.binLen,e=e.value;else if("BYTES"===b)e=z(a),l=e.binLen,e=e.value;else throw"inputFormat must be HEX, TEXT, ASCII, B64, or BYTES"; -a=8*k;b=k/4-1;if(k<l/8){for(e=t(e,l,d);e.length<=b;)e.push(0);e[b]&=4294967040}else if(k>l/8){for(;e.length<=b;)e.push(0);e[b]&=4294967040}for(k=0;k<=b;k+=1)p[k]=e[k]^909522486,E[k]=e[k]^1549556828;d=t(E.concat(t(p.concat(f),a+c,d)),a+n,d);return g(d,D(s))}}function x(a,b){var d=[],c,f=[],h=0,g,m,q;if("UTF8"===b)for(g=0;g<a.length;g+=1)for(c=a.charCodeAt(g),f=[],128>c?f.push(c):2048>c?(f.push(192|c>>>6),f.push(128|c&63)):55296>c||57344<=c?f.push(224|c>>>12,128|c>>>6&63,128|c&63):(g+=1,c=65536+((c& -1023)<<10|a.charCodeAt(g)&1023),f.push(240|c>>>18,128|c>>>12&63,128|c>>>6&63,128|c&63)),m=0;m<f.length;m+=1){for(q=h>>>2;d.length<=q;)d.push(0);d[q]|=f[m]<<24-h%4*8;h+=1}else if("UTF16BE"===b||"UTF16LE"===b)for(g=0;g<a.length;g+=1){c=a.charCodeAt(g);"UTF16LE"===b&&(m=c&255,c=m<<8|c>>8);for(q=h>>>2;d.length<=q;)d.push(0);d[q]|=c<<16-h%4*8;h+=2}return{value:d,binLen:8*h}}function w(a){var b=[],d=a.length,c,f,h;if(0!==d%2)throw"String of HEX type must be in byte increments";for(c=0;c<d;c+=2){f=parseInt(a.substr(c, -2),16);if(isNaN(f))throw"String of HEX type contains invalid characters";for(h=c>>>3;b.length<=h;)b.push(0);b[c>>>3]|=f<<24-c%8*4}return{value:b,binLen:4*d}}function z(a){var b=[],d,c,f;for(c=0;c<a.length;c+=1)d=a.charCodeAt(c),f=c>>>2,b.length<=f&&b.push(0),b[f]|=d<<24-c%4*8;return{value:b,binLen:8*a.length}}function y(a){var b=[],d=0,c,f,h,g,m;if(-1===a.search(/^[a-zA-Z0-9=+\/]+$/))throw"Invalid character in base-64 string";f=a.indexOf("=");a=a.replace(/\=/g,"");if(-1!==f&&f<a.length)throw"Invalid '=' found in base-64 string"; -for(f=0;f<a.length;f+=4){m=a.substr(f,4);for(h=g=0;h<m.length;h+=1)c="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(m[h]),g|=c<<18-6*h;for(h=0;h<m.length-1;h+=1){for(c=d>>>2;b.length<=c;)b.push(0);b[c]|=(g>>>16-8*h&255)<<24-d%4*8;d+=1}}return{value:b,binLen:8*d}}function A(a,b){var d="",c=4*a.length,f,h;for(f=0;f<c;f+=1)h=a[f>>>2]>>>8*(3-f%4),d+="0123456789abcdef".charAt(h>>>4&15)+"0123456789abcdef".charAt(h&15);return b.outputUpper?d.toUpperCase():d}function B(a,b){var d= -"",c=4*a.length,f,h,g;for(f=0;f<c;f+=3)for(g=f+1>>>2,h=a.length<=g?0:a[g],g=f+2>>>2,g=a.length<=g?0:a[g],g=(a[f>>>2]>>>8*(3-f%4)&255)<<16|(h>>>8*(3-(f+1)%4)&255)<<8|g>>>8*(3-(f+2)%4)&255,h=0;4>h;h+=1)d=8*f+6*h<=32*a.length?d+"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(g>>>6*(3-h)&63):d+b.b64Pad;return d}function C(a){var b="",d=4*a.length,c,f;for(c=0;c<d;c+=1)f=a[c>>>2]>>>8*(3-c%4)&255,b+=String.fromCharCode(f);return b}function D(a){var b={outputUpper:!1,b64Pad:"="}; -try{a.hasOwnProperty("outputUpper")&&(b.outputUpper=a.outputUpper),a.hasOwnProperty("b64Pad")&&(b.b64Pad=a.b64Pad)}catch(d){}if("boolean"!==typeof b.outputUpper)throw"Invalid outputUpper formatting option";if("string"!==typeof b.b64Pad)throw"Invalid b64Pad formatting option";return b}function p(a,b){return a>>>b|a<<32-b}function I(a,b,d){return a&b^~a&d}function J(a,b,d){return a&b^a&d^b&d}function K(a){return p(a,2)^p(a,13)^p(a,22)}function L(a){return p(a,6)^p(a,11)^p(a,25)}function M(a){return p(a, -7)^p(a,18)^a>>>3}function N(a){return p(a,17)^p(a,19)^a>>>10}function O(a,b){var d=(a&65535)+(b&65535);return((a>>>16)+(b>>>16)+(d>>>16)&65535)<<16|d&65535}function P(a,b,d,c){var f=(a&65535)+(b&65535)+(d&65535)+(c&65535);return((a>>>16)+(b>>>16)+(d>>>16)+(c>>>16)+(f>>>16)&65535)<<16|f&65535}function Q(a,b,d,c,f){var h=(a&65535)+(b&65535)+(d&65535)+(c&65535)+(f&65535);return((a>>>16)+(b>>>16)+(d>>>16)+(c>>>16)+(f>>>16)+(h>>>16)&65535)<<16|h&65535}function t(a,b,d){var c,f,h,g,m,q,p,t,s,e,k,l,n,u, -E,r,w,x,y,z,A,B,C,D,G,v=[],H,F=[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];e=[3238371032,914150663,812702999,4144912697,4290775857,1750603025,1694076839,3204075428];f=[1779033703,3144134277,1013904242,2773480762,1359893119,2600822924,528734635,1541459225];if("SHA-224"===d||"SHA-256"===d)k=64,c=(b+65>>>9<<4)+15,u=16,E=1,G=Number,r=O,w=P,x=Q,y=M,z=N,A=K,B=L,D=J, -C=I,e="SHA-224"===d?e:f;else throw"Unexpected error in SHA-2 implementation";for(;a.length<=c;)a.push(0);a[b>>>5]|=128<<24-b%32;a[c]=b;H=a.length;for(l=0;l<H;l+=u){b=e[0];c=e[1];f=e[2];h=e[3];g=e[4];m=e[5];q=e[6];p=e[7];for(n=0;n<k;n+=1)16>n?(s=n*E+l,t=a.length<=s?0:a[s],s=a.length<=s+1?0:a[s+1],v[n]=new G(t,s)):v[n]=w(z(v[n-2]),v[n-7],y(v[n-15]),v[n-16]),t=x(p,B(g),C(g,m,q),F[n],v[n]),s=r(A(b),D(b,c,f)),p=q,q=m,m=g,g=r(h,t),h=f,f=c,c=b,b=r(t,s);e[0]=r(b,e[0]);e[1]=r(c,e[1]);e[2]=r(f,e[2]);e[3]=r(h, -e[3]);e[4]=r(g,e[4]);e[5]=r(m,e[5]);e[6]=r(q,e[6]);e[7]=r(p,e[7])}if("SHA-224"===d)a=[e[0],e[1],e[2],e[3],e[4],e[5],e[6]];else if("SHA-256"===d)a=e;else throw"Unexpected error in SHA-2 implementation";return a}"function"===typeof define&&define.amd?define(function(){return u}):"undefined"!==typeof exports?"undefined"!==typeof module&&module.exports?module.exports=exports=u:exports=u:F.jsSHA=u})(this); +'use strict';(function(H){function v(c,a,b){var g=0,d=[],f=0,e,h,n,l,m,F,r,p=!1,k=!1,q=[],t=[],u,y=!1;b=b||{};e=b.encoding||"UTF8";u=b.numRounds||1;n=z(a,e);if(u!==parseInt(u,10)||1>u)throw"numRounds must a integer >= 1";F=function(a,b){return A(a,b,c)};r=function(a,b,f,d){var g,e;if("SHA-224"===c||"SHA-256"===c)g=(b+72>>>9<<4)+15,e=16;else throw"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=A(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"Unexpected error in SHA-2 implementation";return a};if("SHA-224"===c)m=512,l=224;else if("SHA-256"===c)m=512,l=256;else throw"Chosen SHA variant is not supported";h=w(c);this.setHMACKey=function(a,b,d){var f;if(!0===k)throw"HMAC key already set";if(!0===p)throw"Cannot set HMAC key after finalizing hash";if(!0===y)throw"Cannot set HMAC key after calling update";e=(d||{}).encoding||"UTF8";b=z(b,e)(a);a=b.binLen; +b=b.value;f=m>>>3;d=f/4-1;if(f<a/8){for(b=r(b,a,0,w(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)q[a]=b[a]^909522486,t[a]=b[a]^1549556828;h=F(q,h);g=m;k=!0};this.update=function(a){var b,c,e,l=0,p=m>>>5;b=n(a,d,f);a=b.binLen;c=b.value;b=a>>>5;for(e=0;e<b;e+=p)l+m<=a&&(h=F(c.slice(e,e+p),h),l+=m);g+=l;d=c.slice(l>>>5);f=a%m;y=!0};this.getHash=function(a,b){var e,m,n;if(!0===k)throw"Cannot call getHash after setting HMAC key"; +n=B(b);switch(a){case "HEX":e=function(a){return C(a,n)};break;case "B64":e=function(a){return D(a,n)};break;case "BYTES":e=E;break;default:throw"format must be HEX, B64, or BYTES";}if(!1===p)for(h=r(d,f,g,h),m=1;m<u;m+=1)h=r(h,l,0,w(c));p=!0;return e(h)};this.getHMAC=function(a,b){var e,n,q;if(!1===k)throw"Cannot call getHMAC without first setting HMAC key";q=B(b);switch(a){case "HEX":e=function(a){return C(a,q)};break;case "B64":e=function(a){return D(a,q)};break;case "BYTES":e=E;break;default:throw"outputFormat must be HEX, B64, or BYTES"; +}!1===p&&(n=r(d,f,g,h),h=F(t,w(c)),h=r(n,l,m,h));p=!0;return e(h)}}function k(){}function I(c,a,b){var g=c.length,d,f,e,h,n;a=a||[0];b=b||0;n=b>>>3;if(0!==g%2)throw"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"String of HEX type contains invalid characters";h=(d>>>1)+n;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 J(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 K(c,a,b){var g=[],d=0,f,e,h,n,l,m,g=a||[0];b=b||0;a=b>>>3;if(-1===c.search(/^[a-zA-Z0-9=+\/]+$/))throw"Invalid character in base-64 string";e=c.indexOf("=");c=c.replace(/\=/g,"");if(-1!==e&&e<c.length)throw"Invalid '=' found in base-64 string";for(e=0;e<c.length;e+=4){l=c.substr(e,4);for(h=n=0;h<l.length;h+=1)f="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(l[h]), +n|=f<<18-6*h;for(h=0;h<l.length-1;h+=1){m=d+a;for(f=m>>>2;g.length<=f;)g.push(0);g[f]|=(n>>>16-8*h&255)<<8*(3-m%4);d+=1}}return{value:g,binLen:8*d+b}}function C(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 D(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)b=8*d+6*f<=32*c.length?b+"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(e>>>6*(3-f)&63):b+a.b64Pad;return b}function E(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 B(c){var a={outputUpper:!1,b64Pad:"="};c=c||{};a.outputUpper=c.outputUpper||!1;a.b64Pad=c.b64Pad||"=";if("boolean"!==typeof a.outputUpper)throw"Invalid outputUpper formatting option"; +if("string"!==typeof a.b64Pad)throw"Invalid b64Pad formatting option";return a}function z(c,a){var b;switch(a){case "UTF8":case "UTF16BE":case "UTF16LE":break;default:throw"encoding must be UTF8, UTF16BE, or UTF16LE";}switch(c){case "HEX":b=I;break;case "TEXT":b=function(b,c,f){var e=[],h=[],n=0,l,m,k,r,p,e=c||[0];c=f||0;k=c>>>3;if("UTF8"===a)for(l=0;l<b.length;l+=1)for(f=b.charCodeAt(l),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):(l+=1,f=65536+((f&1023)<<10|b.charCodeAt(l)&1023),h.push(240|f>>>18,128|f>>>12&63,128|f>>>6&63,128|f&63)),m=0;m<h.length;m+=1){p=n+k;for(r=p>>>2;e.length<=r;)e.push(0);e[r]|=h[m]<<8*(3-p%4);n+=1}else if("UTF16BE"===a||"UTF16LE"===a)for(l=0;l<b.length;l+=1){f=b.charCodeAt(l);"UTF16LE"===a&&(m=f&255,f=m<<8|f>>>8);p=n+k;for(r=p>>>2;e.length<=r;)e.push(0);e[r]|=f<<8*(2-p%4);n+=2}return{value:e,binLen:8*n+c}};break;case "B64":b=K;break;case "BYTES":b=J;break;default:throw"format must be HEX, TEXT, B64, or BYTES"; +}return b}function t(c,a){return c>>>a|c<<32-a}function L(c,a,b){return c&a^~c&b}function M(c,a,b){return c&a^c&b^a&b}function N(c){return t(c,2)^t(c,13)^t(c,22)}function O(c){return t(c,6)^t(c,11)^t(c,25)}function P(c){return t(c,7)^t(c,18)^c>>>3}function Q(c){return t(c,17)^t(c,19)^c>>>10}function R(c,a){var b=(c&65535)+(a&65535);return((c>>>16)+(a>>>16)+(b>>>16)&65535)<<16|b&65535}function S(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 T(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 w(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 k,new k,new k,new k,new k,new k,new k, +new k];break;case "SHA-512":c=[new k,new k,new k,new k,new k,new k,new k,new k];break;default:throw"Unknown SHA variant";}return c}function A(c,a,b){var g,d,f,e,h,n,l,m,k,r,p,t,q,v,u,y,w,z,A,B,C,D,x=[],E;if("SHA-224"===b||"SHA-256"===b)r=64,t=1,D=Number,q=R,v=S,u=T,y=P,w=Q,z=N,A=O,C=M,B=L,E=G;else throw"Unexpected error in SHA-2 implementation";b=a[0];g=a[1];d=a[2];f=a[3];e=a[4];h=a[5];n=a[6];l=a[7];for(p=0;p<r;p+=1)16>p?(k=p*t,m=c.length<=k?0:c[k],k=c.length<=k+1?0:c[k+1],x[p]=new D(m,k)):x[p]=v(w(x[p- +2]),x[p-7],y(x[p-15]),x[p-16]),m=u(l,A(e),B(e,h,n),E[p],x[p]),k=q(z(b),C(b,g,d)),l=n,n=h,h=e,e=q(f,m),f=d,d=g,g=b,b=q(m,k);a[0]=q(b,a[0]);a[1]=q(g,a[1]);a[2]=q(d,a[2]);a[3]=q(f,a[3]);a[4]=q(e,a[4]);a[5]=q(h,a[5]);a[6]=q(n,a[6]);a[7]=q(l,a[7]);return a}var G;G=[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 v}): +"undefined"!==typeof exports?"undefined"!==typeof module&&module.exports?module.exports=exports=v:exports=v:H.jsSHA=v})(this); |