diff options
Diffstat (limited to 'src/sha256.js')
| -rw-r--r-- | src/sha256.js | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/sha256.js b/src/sha256.js index 10860c8..e94f291 100644 --- a/src/sha256.js +++ b/src/sha256.js @@ -9,9 +9,9 @@ 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)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, 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)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, B64, or BYTES"; +'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"; |