github.com/jincm/wesharechain@v0.0.0-20210122032815-1537409ce26a/app/lib/crypto1/crypto-sha1-hmac-pbkdf2-ofb-aes/crypto-sha1-hmac-pbkdf2-ofb-aes.js (about) 1 /* 2 * Crypto-JS v1.1.0 3 * http://code.google.com/p/crypto-js/ 4 * Copyright (c) 2009, Jeff Mott. All rights reserved. 5 * http://code.google.com/p/crypto-js/wiki/License 6 */ 7 (function(){var b="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";window.Crypto={};var a=Crypto.util={rotl:function(d,c){return(d<<c)|(d>>>(32-c))},rotr:function(d,c){return(d<<(32-c))|(d>>>c)},endian:function(d){if(d.constructor==Number){return a.rotl(d,8)&16711935|a.rotl(d,24)&4278255360}for(var c=0;c<d.length;c++){d[c]=a.endian(d[c])}return d},randomBytes:function(d){for(var c=[];d>0;d--){c.push(Math.floor(Math.random()*256))}return c},stringToBytes:function(e){var c=[];for(var d=0;d<e.length;d++){c.push(e.charCodeAt(d))}return c},bytesToString:function(c){var e=[];for(var d=0;d<c.length;d++){e.push(String.fromCharCode(c[d]))}return e.join("")},stringToWords:function(f){var e=[];for(var g=0,d=0;g<f.length;g++,d+=8){e[d>>>5]|=f.charCodeAt(g)<<(24-d%32)}return e},bytesToWords:function(d){var f=[];for(var e=0,c=0;e<d.length;e++,c+=8){f[c>>>5]|=d[e]<<(24-c%32)}return f},wordsToBytes:function(e){var d=[];for(var c=0;c<e.length*32;c+=8){d.push((e[c>>>5]>>>(24-c%32))&255)}return d},bytesToHex:function(c){var e=[];for(var d=0;d<c.length;d++){e.push((c[d]>>>4).toString(16));e.push((c[d]&15).toString(16))}return e.join("")},hexToBytes:function(e){var d=[];for(var f=0;f<e.length;f+=2){d.push(parseInt(e.substr(f,2),16))}return d},bytesToBase64:function(d){if(typeof btoa=="function"){return btoa(a.bytesToString(d))}var c=[],f;for(var e=0;e<d.length;e++){switch(e%3){case 0:c.push(b.charAt(d[e]>>>2));f=(d[e]&3)<<4;break;case 1:c.push(b.charAt(f|(d[e]>>>4)));f=(d[e]&15)<<2;break;case 2:c.push(b.charAt(f|(d[e]>>>6)));c.push(b.charAt(d[e]&63));f=-1}}if(f!=undefined&&f!=-1){c.push(b.charAt(f))}while(c.length%4!=0){c.push("=")}return c.join("")},base64ToBytes:function(d){if(typeof atob=="function"){return a.stringToBytes(atob(d))}d=d.replace(/[^A-Z0-9+\/]/ig,"");var c=[];for(var e=0;e<d.length;e++){switch(e%4){case 1:c.push((b.indexOf(d.charAt(e-1))<<2)|(b.indexOf(d.charAt(e))>>>4));break;case 2:c.push(((b.indexOf(d.charAt(e-1))&15)<<4)|(b.indexOf(d.charAt(e))>>>2));break;case 3:c.push(((b.indexOf(d.charAt(e-1))&3)<<6)|(b.indexOf(d.charAt(e))));break}}return c}};Crypto.mode={}})();(function(){var a=Crypto.util;var b=Crypto.SHA1=function(e,c){var d=a.wordsToBytes(b._sha1(e));return c&&c.asBytes?d:c&&c.asString?a.bytesToString(d):a.bytesToHex(d)};b._sha1=function(k){var u=a.stringToWords(k),v=k.length*8,o=[],q=1732584193,p=-271733879,h=-1732584194,g=271733878,f=-1009589776;u[v>>5]|=128<<(24-v%32);u[((v+64>>>9)<<4)+15]=v;for(var y=0;y<u.length;y+=16){var D=q,C=p,B=h,A=g,z=f;for(var x=0;x<80;x++){if(x<16){o[x]=u[y+x]}else{var s=o[x-3]^o[x-8]^o[x-14]^o[x-16];o[x]=(s<<1)|(s>>>31)}var r=((q<<5)|(q>>>27))+f+(o[x]>>>0)+(x<20?(p&h|~p&g)+1518500249:x<40?(p^h^g)+1859775393:x<60?(p&h|p&g|h&g)-1894007588:(p^h^g)-899497514);f=g;g=h;h=(p<<30)|(p>>>2);p=q;q=r}q+=D;p+=C;h+=B;g+=A;f+=z}return[q,p,h,g,f]};b._blocksize=16})();(function(){var a=Crypto.util;Crypto.HMAC=function(g,h,f,d){f=f.length>g._blocksize*4?g(f,{asBytes:true}):a.stringToBytes(f);var c=f,j=f.slice(0);for(var e=0;e<g._blocksize*4;e++){c[e]^=92;j[e]^=54}var b=g(a.bytesToString(c)+g(a.bytesToString(j)+h,{asString:true}),{asBytes:true});return d&&d.asBytes?b:d&&d.asString?a.bytesToString(b):a.bytesToHex(b)}})();(function(){var a=Crypto.util;Crypto.PBKDF2=function(m,k,b,p){var o=p&&p.hasher||Crypto.SHA1,e=p&&p.iterations||1;function l(i,j){return Crypto.HMAC(o,j,i,{asBytes:true})}var d=[],c=1;while(d.length<b){var f=l(m,k+a.bytesToString(a.wordsToBytes([c])));for(var n=f,h=1;h<e;h++){n=l(m,a.bytesToString(n));for(var g=0;g<f.length;g++){f[g]^=n[g]}}d=d.concat(f);c++}d.length=b;return p&&p.asBytes?d:p&&p.asString?a.bytesToString(d):a.bytesToHex(d)}})();(function(){Crypto.mode.OFB={encrypt:a,decrypt:a};function a(c,b,d){var g=c._blocksize*4,f=d.slice(0);for(var e=0;e<b.length;e++){if(e%g==0){c._encryptblock(f,0)}b[e]^=f[e%g]}}})();(function(){var k=Crypto.util;var e=[99,124,119,123,242,107,111,197,48,1,103,43,254,215,171,118,202,130,201,125,250,89,71,240,173,212,162,175,156,164,114,192,183,253,147,38,54,63,247,204,52,165,229,241,113,216,49,21,4,199,35,195,24,150,5,154,7,18,128,226,235,39,178,117,9,131,44,26,27,110,90,160,82,59,214,179,41,227,47,132,83,209,0,237,32,252,177,91,106,203,190,57,74,76,88,207,208,239,170,251,67,77,51,133,69,249,2,127,80,60,159,168,81,163,64,143,146,157,56,245,188,182,218,33,16,255,243,210,205,12,19,236,95,151,68,23,196,167,126,61,100,93,25,115,96,129,79,220,34,42,144,136,70,238,184,20,222,94,11,219,224,50,58,10,73,6,36,92,194,211,172,98,145,149,228,121,231,200,55,109,141,213,78,169,108,86,244,234,101,122,174,8,186,120,37,46,28,166,180,198,232,221,116,31,75,189,139,138,112,62,181,102,72,3,246,14,97,53,87,185,134,193,29,158,225,248,152,17,105,217,142,148,155,30,135,233,206,85,40,223,140,161,137,13,191,230,66,104,65,153,45,15,176,84,187,22];for(var j=[],g=0;g<256;g++){j[e[g]]=g}var c=[],b=[],q=[],n=[],h=[],f=[];function p(u,t){for(var s=0,v=0;v<8;v++){if(t&1){s^=u}var w=u&128;u=(u<<1)&255;if(w){u^=27}t>>>=1}return s}for(var g=0;g<256;g++){c[g]=p(g,2);b[g]=p(g,3);q[g]=p(g,9);n[g]=p(g,11);h[g]=p(g,13);f[g]=p(g,14)}var d=[0,1,2,4,8,16,32,64,128,27,54];var a=[[],[],[],[]],r,o,m;var l=Crypto.AES={encrypt:function(v,u,w){var i=k.stringToBytes(v),t=k.randomBytes(l._blocksize*4),s=Crypto.PBKDF2(u,k.bytesToString(t),32,{asBytes:true});w=w||Crypto.mode.OFB;l._init(s);w.encrypt(l,i,t);return k.bytesToBase64(t.concat(i))},decrypt:function(u,t,v){var w=k.base64ToBytes(u),s=w.splice(0,l._blocksize*4),i=Crypto.PBKDF2(t,k.bytesToString(s),32,{asBytes:true});v=v||Crypto.mode.OFB;l._init(i);v.decrypt(l,w,s);return k.bytesToString(w)},_blocksize:4,_encryptblock:function(s,t){for(var z=0;z<l._blocksize;z++){for(var i=0;i<4;i++){a[z][i]=s[t+i*4+z]}}for(var z=0;z<4;z++){for(var i=0;i<4;i++){a[z][i]^=m[i][z]}}for(var y=1;y<o;y++){for(var z=0;z<4;z++){for(var i=0;i<4;i++){a[z][i]=e[a[z][i]]}}a[1].push(a[1].shift());a[2].push(a[2].shift());a[2].push(a[2].shift());a[3].unshift(a[3].pop());for(var i=0;i<4;i++){var x=a[0][i],w=a[1][i],v=a[2][i],u=a[3][i];a[0][i]=c[x]^b[w]^v^u;a[1][i]=x^c[w]^b[v]^u;a[2][i]=x^w^c[v]^b[u];a[3][i]=b[x]^w^v^c[u]}for(var z=0;z<4;z++){for(var i=0;i<4;i++){a[z][i]^=m[y*4+i][z]}}}for(var z=0;z<4;z++){for(var i=0;i<4;i++){a[z][i]=e[a[z][i]]}}a[1].push(a[1].shift());a[2].push(a[2].shift());a[2].push(a[2].shift());a[3].unshift(a[3].pop());for(var z=0;z<4;z++){for(var i=0;i<4;i++){a[z][i]^=m[o*4+i][z]}}for(var z=0;z<l._blocksize;z++){for(var i=0;i<4;i++){s[t+i*4+z]=a[z][i]}}},_decryptblock:function(t,s){for(var z=0;z<l._blocksize;z++){for(var i=0;i<4;i++){a[z][i]=t[s+i*4+z]}}for(var z=0;z<4;z++){for(var i=0;i<4;i++){a[z][i]^=m[o*4+i][z]}}for(var y=1;y<o;y++){a[1].unshift(a[1].pop());a[2].push(a[2].shift());a[2].push(a[2].shift());a[3].push(a[3].shift());for(var z=0;z<4;z++){for(var i=0;i<4;i++){a[z][i]=j[a[z][i]]}}for(var z=0;z<4;z++){for(var i=0;i<4;i++){a[z][i]^=m[(o-y)*4+i][z]}}for(var i=0;i<4;i++){var x=a[0][i],w=a[1][i],v=a[2][i],u=a[3][i];a[0][i]=f[x]^n[w]^h[v]^q[u];a[1][i]=q[x]^f[w]^n[v]^h[u];a[2][i]=h[x]^q[w]^f[v]^n[u];a[3][i]=n[x]^h[w]^q[v]^f[u]}}a[1].unshift(a[1].pop());a[2].push(a[2].shift());a[2].push(a[2].shift());a[3].push(a[3].shift());for(var z=0;z<4;z++){for(var i=0;i<4;i++){a[z][i]=j[a[z][i]]}}for(var z=0;z<4;z++){for(var i=0;i<4;i++){a[z][i]^=m[i][z]}}for(var z=0;z<l._blocksize;z++){for(var i=0;i<4;i++){t[s+i*4+z]=a[z][i]}}},_init:function(i){r=i.length/4;o=r+6;l._keyexpansion(i)},_keyexpansion:function(s){m=[];for(var t=0;t<r;t++){m[t]=[s[t*4],s[t*4+1],s[t*4+2],s[t*4+3]]}for(var t=r;t<l._blocksize*(o+1);t++){var i=[m[t-1][0],m[t-1][1],m[t-1][2],m[t-1][3]];if(t%r==0){i.push(i.shift());i[0]=e[i[0]];i[1]=e[i[1]];i[2]=e[i[2]];i[3]=e[i[3]];i[0]^=d[t/r]}else{if(r>6&&t%r==4){i[0]=e[i[0]];i[1]=e[i[1]];i[2]=e[i[2]];i[3]=e[i[3]]}}m[t]=[m[t-r][0]^i[0],m[t-r][1]^i[1],m[t-r][2]^i[2],m[t-r][3]^i[3]]}}}})();