seahub/media/js/repo_crypto.js

/* uuid.js | Copyright (c) 2010-2012 Robert Kieffer | MIT License - http://opensource.org/licenses/mit-license.php */
(function(){var _global=this;var _rng;if(typeof(require)=="function"){try{var _rb=require("crypto").randomBytes;_rng=_rb&&function(){return _rb(16);};}catch(e){}}if(!_rng&&_global.crypto&&crypto.getRandomValues){var _rnds8=new Uint8Array(16);_rng=function whatwgRNG(){crypto.getRandomValues(_rnds8);return _rnds8;};}if(!_rng){var _rnds=new Array(16);_rng=function(){for(var i=0,r;i<16;i++){if((i&3)===0){r=Math.random()*4294967296;}_rnds[i]=r>>>((i&3)<<3)&255;}return _rnds;};}var BufferClass=typeof(Buffer)=="function"?Buffer:Array;var _byteToHex=[];var _hexToByte={};for(var i=0;i<256;i++){_byteToHex[i]=(i+256).toString(16).substr(1);_hexToByte[_byteToHex[i]]=i;}function parse(s,buf,offset){var i=(buf&&offset)||0,ii=0;buf=buf||[];s.toLowerCase().replace(/[0-9a-f]{2}/g,function(oct){if(ii<16){buf[i+ii++]=_hexToByte[oct];}});while(ii<16){buf[i+ii++]=0;}return buf;}function unparse(buf,offset){var i=offset||0,bth=_byteToHex;return bth[buf[i++]]+bth[buf[i++]]+bth[buf[i++]]+bth[buf[i++]]+"-"+bth[buf[i++]]+bth[buf[i++]]+"-"+bth[buf[i++]]+bth[buf[i++]]+"-"+bth[buf[i++]]+bth[buf[i++]]+"-"+bth[buf[i++]]+bth[buf[i++]]+bth[buf[i++]]+bth[buf[i++]]+bth[buf[i++]]+bth[buf[i++]];}var _seedBytes=_rng();var _nodeId=[_seedBytes[0]|1,_seedBytes[1],_seedBytes[2],_seedBytes[3],_seedBytes[4],_seedBytes[5]];var _clockseq=(_seedBytes[6]<<8|_seedBytes[7])&16383;var _lastMSecs=0,_lastNSecs=0;function v1(options,buf,offset){var i=buf&&offset||0;var b=buf||[];options=options||{};var clockseq=options.clockseq!=null?options.clockseq:_clockseq;var msecs=options.msecs!=null?options.msecs:new Date().getTime();var nsecs=options.nsecs!=null?options.nsecs:_lastNSecs+1;var dt=(msecs-_lastMSecs)+(nsecs-_lastNSecs)/10000;if(dt<0&&options.clockseq==null){clockseq=clockseq+1&16383;}if((dt<0||msecs>_lastMSecs)&&options.nsecs==null){nsecs=0;}if(nsecs>=10000){throw new Error("uuid.v1(): Can't create more than 10M uuids/sec");}_lastMSecs=msecs;_lastNSecs=nsecs;_clockseq=clockseq;msecs+=12219292800000;var tl=((msecs&268435455)*10000+nsecs)%4294967296;b[i++]=tl>>>24&255;b[i++]=tl>>>16&255;b[i++]=tl>>>8&255;b[i++]=tl&255;var tmh=(msecs/4294967296*10000)&268435455;b[i++]=tmh>>>8&255;b[i++]=tmh&255;b[i++]=tmh>>>24&15|16;b[i++]=tmh>>>16&255;b[i++]=clockseq>>>8|128;b[i++]=clockseq&255;var node=options.node||_nodeId;for(var n=0;n<6;n++){b[i+n]=node[n];}return buf?buf:unparse(b);}function v4(options,buf,offset){var i=buf&&offset||0;if(typeof(options)=="string"){buf=options=="binary"?new BufferClass(16):null;options=null;}options=options||{};var rnds=options.random||(options.rng||_rng)();rnds[6]=(rnds[6]&15)|64;rnds[8]=(rnds[8]&63)|128;if(buf){for(var ii=0;ii<16;ii++){buf[i+ii]=rnds[ii];}}return buf||unparse(rnds);}var uuid=v4;uuid.v1=v1;uuid.v4=v4;uuid.parse=parse;uuid.unparse=unparse;uuid.BufferClass=BufferClass;if(typeof define==="function"&&define.amd){define(function(){return uuid;});}else{if(typeof(module)!="undefined"&&module.exports){module.exports=uuid;}else{var _previousRoot=_global.uuid;uuid.noConflict=function(){_global.uuid=_previousRoot;return uuid;};_global.uuid=uuid;}}}).call(this);
/* sjcl.js */
"use strict";function q(a){throw a;}var t=void 0,u=!1;var sjcl={cipher:{},hash:{},keyexchange:{},mode:{},misc:{},codec:{},exception:{corrupt:function(a){this.toString=function(){return"CORRUPT: "+this.message;};this.message=a;},invalid:function(a){this.toString=function(){return"INVALID: "+this.message;};this.message=a;},bug:function(a){this.toString=function(){return"BUG: "+this.message;};this.message=a;},notReady:function(a){this.toString=function(){return"NOT READY: "+this.message;};this.message=a;}}};"undefined"!=typeof module&&module.exports&&(module.exports=sjcl);sjcl.cipher.aes=function(a){this.j[0][0][0]||this.D();var b,c,d,e,f=this.j[0][4],g=this.j[1];b=a.length;var h=1;4!==b&&(6!==b&&8!==b)&&q(new sjcl.exception.invalid("invalid aes key size"));this.a=[d=a.slice(0),e=[]];for(a=b;a<4*b+28;a++){c=d[a-1];if(0===a%b||8===b&&4===a%b){c=f[c>>>24]<<24^f[c>>16&255]<<16^f[c>>8&255]<<8^f[c&255],0===a%b&&(c=c<<8^c>>>24^h<<24,h=h<<1^283*(h>>7));}d[a]=d[a-b]^c;}for(b=0;a;b++,a--){c=d[b&3?a:a-4],e[b]=4>=a||4>b?c:g[0][f[c>>>24]]^g[1][f[c>>16&255]]^g[2][f[c>>8&255]]^g[3][f[c&255]];}};sjcl.cipher.aes.prototype={encrypt:function(a){return y(this,a,0);},decrypt:function(a){return y(this,a,1);},j:[[[],[],[],[],[]],[[],[],[],[],[]]],D:function(){var a=this.j[0],b=this.j[1],c=a[4],d=b[4],e,f,g,h=[],l=[],k,n,m,p;for(e=0;256>e;e++){l[(h[e]=e<<1^283*(e>>7))^e]=e;}for(f=g=0;!c[f];f^=k||1,g=l[g]||1){m=g^g<<1^g<<2^g<<3^g<<4;m=m>>8^m&255^99;c[f]=m;d[m]=f;n=h[e=h[k=h[f]]];p=16843009*n^65537*e^257*k^16843008*f;n=257*h[m]^16843008*m;for(e=0;4>e;e++){a[e][f]=n=n<<24^n>>>8,b[e][m]=p=p<<24^p>>>8;}}for(e=0;5>e;e++){a[e]=a[e].slice(0),b[e]=b[e].slice(0);}}};function y(a,b,c){4!==b.length&&q(new sjcl.exception.invalid("invalid aes block size"));var d=a.a[c],e=b[0]^d[0],f=b[c?3:1]^d[1],g=b[2]^d[2];b=b[c?1:3]^d[3];var h,l,k,n=d.length/4-2,m,p=4,s=[0,0,0,0];h=a.j[c];a=h[0];var r=h[1],v=h[2],w=h[3],x=h[4];for(m=0;m<n;m++){h=a[e>>>24]^r[f>>16&255]^v[g>>8&255]^w[b&255]^d[p],l=a[f>>>24]^r[g>>16&255]^v[b>>8&255]^w[e&255]^d[p+1],k=a[g>>>24]^r[b>>16&255]^v[e>>8&255]^w[f&255]^d[p+2],b=a[b>>>24]^r[e>>16&255]^v[f>>8&255]^w[g&255]^d[p+3],p+=4,e=h,f=l,g=k;}for(m=0;4>m;m++){s[c?3&-m:m]=x[e>>>24]<<24^x[f>>16&255]<<16^x[g>>8&255]<<8^x[b&255]^d[p++],h=e,e=f,f=g,g=b,b=h;}return s;}sjcl.bitArray={bitSlice:function(a,b,c){a=sjcl.bitArray.O(a.slice(b/32),32-(b&31)).slice(1);return c===t?a:sjcl.bitArray.clamp(a,c-b);},extract:function(a,b,c){var d=Math.floor(-b-c&31);return((b+c-1^b)&-32?a[b/32|0]<<32-d^a[b/32+1|0]>>>d:a[b/32|0]>>>d)&(1<<c)-1;},concat:function(a,b){if(0===a.length||0===b.length){return a.concat(b);}var c=a[a.length-1],d=sjcl.bitArray.getPartial(c);return 32===d?a.concat(b):sjcl.bitArray.O(b,d,c|0,a.slice(0,a.length-1));},bitLength:function(a){var b=a.length;return 0===b?0:32*(b-1)+sjcl.bitArray.getPartial(a[b-1]);},clamp:function(a,b){if(32*a.length<b){return a;}a=a.slice(0,Math.ceil(b/32));var c=a.length;b&=31;0<c&&b&&(a[c-1]=sjcl.bitArray.partial(b,a[c-1]&2147483648>>b-1,1));return a;},partial:function(a,b,c){return 32===a?b:(c?b|0:b<<32-a)+1099511627776*a;},getPartial:function(a){return Math.round(a/1099511627776)||32;},equal:function(a,b){if(sjcl.bitArray.bitLength(a)!==sjcl.bitArray.bitLength(b)){return u;}var c=0,d;for(d=0;d<a.length;d++){c|=a[d]^b[d];}return 0===c;},O:function(a,b,c,d){var e;e=0;for(d===t&&(d=[]);32<=b;b-=32){d.push(c),c=0;}if(0===b){return d.concat(a);}for(e=0;e<a.length;e++){d.push(c|a[e]>>>b),c=a[e]<<32-b;}e=a.length?a[a.length-1]:0;a=sjcl.bitArray.getPartial(e);d.push(sjcl.bitArray.partial(b+a&31,32<b+a?c:d.pop(),1));return d;},k:function(a,b){return[a[0]^b[0],a[1]^b[1],a[2]^b[2],a[3]^b[3]];}};sjcl.codec.utf8String={fromBits:function(a){var b="",c=sjcl.bitArray.bitLength(a),d,e;for(d=0;d<c/8;d++){0===(d&3)&&(e=a[d/4]),b+=String.fromCharCode(e>>>24),e<<=8;}return decodeURIComponent(escape(b));},toBits:function(a){a=unescape(encodeURIComponent(a));var b=[],c,d=0;for(c=0;c<a.length;c++){d=d<<8|a.charCodeAt(c),3===(c&3)&&(b.push(d),d=0);}c&3&&b.push(sjcl.bitArray.partial(8*(c&3),d));return b;}};sjcl.codec.hex={fromBits:function(a){var b="",c;for(c=0;c<a.length;c++){b+=((a[c]|0)+263882790666240).toString(16).substr(4);}return b.substr(0,sjcl.bitArray.bitLength(a)/4);},toBits:function(a){var b,c=[],d;a=a.replace(/\s|0x/g,"");d=a.length;a+="00000000";for(b=0;b<a.length;b+=8){c.push(parseInt(a.substr(b,8),16)^0);}return sjcl.bitArray.clamp(c,4*d);}};sjcl.codec.base64={I:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",fromBits:function(a,b,c){var d="",e=0,f=sjcl.codec.base64.I,g=0,h=sjcl.bitArray.bitLength(a);c&&(f=f.substr(0,62)+"-_");for(c=0;6*d.length<h;){d+=f.charAt((g^a[c]>>>e)>>>26),6>e?(g=a[c]<<6-e,e+=26,c++):(g<<=6,e-=6);}for(;d.length&3&&!b;){d+="=";}return d;},toBits:function(a,b){a=a.replace(/\s|=/g,"");var c=[],d,e=0,f=sjcl.codec.base64.I,g=0,h;b&&(f=f.substr(0,62)+"-_");for(d=0;d<a.length;d++){h=f.indexOf(a.charAt(d)),0>h&&q(new sjcl.exception.invalid("this isn't base64!")),26<e?(e-=26,c.push(g^h>>>e),g=h<<32-e):(e+=6,g^=h<<32-e);}e&56&&c.push(sjcl.bitArray.partial(e&56,g,1));return c;}};sjcl.codec.base64url={fromBits:function(a){return sjcl.codec.base64.fromBits(a,1,1);},toBits:function(a){return sjcl.codec.base64.toBits(a,1);}};sjcl.hash.sha256=function(a){this.a[0]||this.D();a?(this.q=a.q.slice(0),this.m=a.m.slice(0),this.g=a.g):this.reset();};sjcl.hash.sha256.hash=function(a){return(new sjcl.hash.sha256).update(a).finalize();};sjcl.hash.sha256.prototype={blockSize:512,reset:function(){this.q=this.M.slice(0);this.m=[];this.g=0;return this;},update:function(a){"string"===typeof a&&(a=sjcl.codec.utf8String.toBits(a));var b,c=this.m=sjcl.bitArray.concat(this.m,a);b=this.g;a=this.g=b+sjcl.bitArray.bitLength(a);for(b=512+b&-512;b<=a;b+=512){z(this,c.splice(0,16));}return this;},finalize:function(){var a,b=this.m,c=this.q,b=sjcl.bitArray.concat(b,[sjcl.bitArray.partial(1,1)]);for(a=b.length+2;a&15;a++){b.push(0);}b.push(Math.floor(this.g/4294967296));for(b.push(this.g|0);b.length;){z(this,b.splice(0,16));}this.reset();return c;},M:[],a:[],D:function(){function a(a){return 4294967296*(a-Math.floor(a))|0;}var b=0,c=2,d;a:for(;64>b;c++){for(d=2;d*d<=c;d++){if(0===c%d){continue a;}}8>b&&(this.M[b]=a(Math.pow(c,0.5)));this.a[b]=a(Math.pow(c,1/3));b++;}}};function z(a,b){var c,d,e,f=b.slice(0),g=a.q,h=a.a,l=g[0],k=g[1],n=g[2],m=g[3],p=g[4],s=g[5],r=g[6],v=g[7];for(c=0;64>c;c++){16>c?d=f[c]:(d=f[c+1&15],e=f[c+14&15],d=f[c&15]=(d>>>7^d>>>18^d>>>3^d<<25^d<<14)+(e>>>17^e>>>19^e>>>10^e<<15^e<<13)+f[c&15]+f[c+9&15]|0),d=d+v+(p>>>6^p>>>11^p>>>25^p<<26^p<<21^p<<7)+(r^p&(s^r))+h[c],v=r,r=s,s=p,p=m+d|0,m=n,n=k,k=l,l=d+(k&n^m&(k^n))+(k>>>2^k>>>13^k>>>22^k<<30^k<<19^k<<10)|0;}g[0]=g[0]+l|0;g[1]=g[1]+k|0;g[2]=g[2]+n|0;g[3]=g[3]+m|0;g[4]=g[4]+p|0;g[5]=g[5]+s|0;g[6]=g[6]+r|0;g[7]=g[7]+v|0;}sjcl.mode.ccm={name:"ccm",encrypt:function(a,b,c,d,e){var f,g=b.slice(0),h=sjcl.bitArray,l=h.bitLength(c)/8,k=h.bitLength(g)/8;e=e||64;d=d||[];7>l&&q(new sjcl.exception.invalid("ccm: iv must be at least 7 bytes"));for(f=2;4>f&&k>>>8*f;f++){}f<15-l&&(f=15-l);c=h.clamp(c,8*(15-f));b=sjcl.mode.ccm.K(a,b,c,d,e,f);g=sjcl.mode.ccm.n(a,g,c,b,e,f);return h.concat(g.data,g.tag);},decrypt:function(a,b,c,d,e){e=e||64;d=d||[];var f=sjcl.bitArray,g=f.bitLength(c)/8,h=f.bitLength(b),l=f.clamp(b,h-e),k=f.bitSlice(b,h-e),h=(h-e)/8;7>g&&q(new sjcl.exception.invalid("ccm: iv must be at least 7 bytes"));for(b=2;4>b&&h>>>8*b;b++){}b<15-g&&(b=15-g);c=f.clamp(c,8*(15-b));l=sjcl.mode.ccm.n(a,l,c,k,e,b);a=sjcl.mode.ccm.K(a,l.data,c,d,e,b);f.equal(l.tag,a)||q(new sjcl.exception.corrupt("ccm: tag doesn't match"));return l.data;},K:function(a,b,c,d,e,f){var g=[],h=sjcl.bitArray,l=h.k;e/=8;(e%2||4>e||16<e)&&q(new sjcl.exception.invalid("ccm: invalid tag length"));(4294967295<d.length||4294967295<b.length)&&q(new sjcl.exception.bug("ccm: can't deal with 4GiB or more data"));f=[h.partial(8,(d.length?64:0)|e-2<<2|f-1)];f=h.concat(f,c);f[3]|=h.bitLength(b)/8;f=a.encrypt(f);if(d.length){c=h.bitLength(d)/8;65279>=c?g=[h.partial(16,c)]:4294967295>=c&&(g=h.concat([h.partial(16,65534)],[c]));g=h.concat(g,d);for(d=0;d<g.length;d+=4){f=a.encrypt(l(f,g.slice(d,d+4).concat([0,0,0])));}}for(d=0;d<b.length;d+=4){f=a.encrypt(l(f,b.slice(d,d+4).concat([0,0,0])));}return h.clamp(f,8*e);},n:function(a,b,c,d,e,f){var g,h=sjcl.bitArray;g=h.k;var l=b.length,k=h.bitLength(b);c=h.concat([h.partial(8,f-1)],c).concat([0,0,0]).slice(0,4);d=h.bitSlice(g(d,a.encrypt(c)),0,e);if(!l){return{tag:d,data:[]};}for(g=0;g<l;g+=4){c[3]++,e=a.encrypt(c),b[g]^=e[0],b[g+1]^=e[1],b[g+2]^=e[2],b[g+3]^=e[3];}return{tag:d,data:h.clamp(b,k)};}};sjcl.mode.ocb2={name:"ocb2",encrypt:function(a,b,c,d,e,f){128!==sjcl.bitArray.bitLength(c)&&q(new sjcl.exception.invalid("ocb iv must be 128 bits"));var g,h=sjcl.mode.ocb2.G,l=sjcl.bitArray,k=l.k,n=[0,0,0,0];c=h(a.encrypt(c));var m,p=[];d=d||[];e=e||64;for(g=0;g+4<b.length;g+=4){m=b.slice(g,g+4),n=k(n,m),p=p.concat(k(c,a.encrypt(k(c,m)))),c=h(c);}m=b.slice(g);b=l.bitLength(m);g=a.encrypt(k(c,[0,0,0,b]));m=l.clamp(k(m.concat([0,0,0]),g),b);n=k(n,k(m.concat([0,0,0]),g));n=a.encrypt(k(n,k(c,h(c))));d.length&&(n=k(n,f?d:sjcl.mode.ocb2.pmac(a,d)));return p.concat(l.concat(m,l.clamp(n,e)));},decrypt:function(a,b,c,d,e,f){128!==sjcl.bitArray.bitLength(c)&&q(new sjcl.exception.invalid("ocb iv must be 128 bits"));e=e||64;var g=sjcl.mode.ocb2.G,h=sjcl.bitArray,l=h.k,k=[0,0,0,0],n=g(a.encrypt(c)),m,p,s=sjcl.bitArray.bitLength(b)-e,r=[];d=d||[];for(c=0;c+4<s/32;c+=4){m=l(n,a.decrypt(l(n,b.slice(c,c+4)))),k=l(k,m),r=r.concat(m),n=g(n);}p=s-32*c;m=a.encrypt(l(n,[0,0,0,p]));m=l(m,h.clamp(b.slice(c),p).concat([0,0,0]));k=l(k,m);k=a.encrypt(l(k,l(n,g(n))));d.length&&(k=l(k,f?d:sjcl.mode.ocb2.pmac(a,d)));h.equal(h.clamp(k,e),h.bitSlice(b,s))||q(new sjcl.exception.corrupt("ocb: tag doesn't match"));return r.concat(h.clamp(m,p));},pmac:function(a,b){var c,d=sjcl.mode.ocb2.G,e=sjcl.bitArray,f=e.k,g=[0,0,0,0],h=a.encrypt([0,0,0,0]),h=f(h,d(d(h)));for(c=0;c+4<b.length;c+=4){h=d(h),g=f(g,a.encrypt(f(h,b.slice(c,c+4))));}c=b.slice(c);128>e.bitLength(c)&&(h=f(h,d(h)),c=e.concat(c,[-2147483648,0,0,0]));g=f(g,c);return a.encrypt(f(d(f(h,d(h))),g));},G:function(a){return[a[0]<<1^a[1]>>>31,a[1]<<1^a[2]>>>31,a[2]<<1^a[3]>>>31,a[3]<<1^135*(a[0]>>>31)];}};sjcl.mode.gcm={name:"gcm",encrypt:function(a,b,c,d,e){var f=b.slice(0);b=sjcl.bitArray;d=d||[];a=sjcl.mode.gcm.n(!0,a,f,d,c,e||128);return b.concat(a.data,a.tag);},decrypt:function(a,b,c,d,e){var f=b.slice(0),g=sjcl.bitArray,h=g.bitLength(f);e=e||128;d=d||[];e<=h?(b=g.bitSlice(f,h-e),f=g.bitSlice(f,0,h-e)):(b=f,f=[]);a=sjcl.mode.gcm.n(u,a,f,d,c,e);g.equal(a.tag,b)||q(new sjcl.exception.corrupt("gcm: tag doesn't match"));return a.data;},U:function(a,b){var c,d,e,f,g,h=sjcl.bitArray.k;e=[0,0,0,0];f=b.slice(0);for(c=0;128>c;c++){(d=0!==(a[Math.floor(c/32)]&1<<31-c%32))&&(e=h(e,f));g=0!==(f[3]&1);for(d=3;0<d;d--){f[d]=f[d]>>>1|(f[d-1]&1)<<31;}f[0]>>>=1;g&&(f[0]^=-520093696);}return e;},f:function(a,b,c){var d,e=c.length;b=b.slice(0);for(d=0;d<e;d+=4){b[0]^=4294967295&c[d],b[1]^=4294967295&c[d+1],b[2]^=4294967295&c[d+2],b[3]^=4294967295&c[d+3],b=sjcl.mode.gcm.U(b,a);}return b;},n:function(a,b,c,d,e,f){var g,h,l,k,n,m,p,s,r=sjcl.bitArray;m=c.length;p=r.bitLength(c);s=r.bitLength(d);h=r.bitLength(e);g=b.encrypt([0,0,0,0]);96===h?(e=e.slice(0),e=r.concat(e,[1])):(e=sjcl.mode.gcm.f(g,[0,0,0,0],e),e=sjcl.mode.gcm.f(g,e,[0,0,Math.floor(h/4294967296),h&4294967295]));h=sjcl.mode.gcm.f(g,[0,0,0,0],d);n=e.slice(0);d=h.slice(0);a||(d=sjcl.mode.gcm.f(g,h,c));for(k=0;k<m;k+=4){n[3]++,l=b.encrypt(n),c[k]^=l[0],c[k+1]^=l[1],c[k+2]^=l[2],c[k+3]^=l[3];}c=r.clamp(c,p);a&&(d=sjcl.mode.gcm.f(g,h,c));a=[Math.floor(s/4294967296),s&4294967295,Math.floor(p/4294967296),p&4294967295];d=sjcl.mode.gcm.f(g,d,a);l=b.encrypt(e);d[0]^=l[0];d[1]^=l[1];d[2]^=l[2];d[3]^=l[3];return{tag:r.bitSlice(d,0,f),data:c};}};sjcl.misc.hmac=function(a,b){this.L=b=b||sjcl.hash.sha256;var c=[[],[]],d,e=b.prototype.blockSize/32;this.o=[new b,new b];a.length>e&&(a=b.hash(a));for(d=0;d<e;d++){c[0][d]=a[d]^909522486,c[1][d]=a[d]^1549556828;}this.o[0].update(c[0]);this.o[1].update(c[1]);};sjcl.misc.hmac.prototype.encrypt=sjcl.misc.hmac.prototype.mac=function(a){a=(new this.L(this.o[0])).update(a).finalize();return(new this.L(this.o[1])).update(a).finalize();};sjcl.misc.pbkdf2=function(a,b,c,d,e){c=c||1000;(0>d||0>c)&&q(sjcl.exception.invalid("invalid params to pbkdf2"));"string"===typeof a&&(a=sjcl.codec.utf8String.toBits(a));e=e||sjcl.misc.hmac;a=new e(a);var f,g,h,l,k=[],n=sjcl.bitArray;for(l=1;32*k.length<(d||1);l++){e=f=a.encrypt(n.concat(b,[l]));for(g=1;g<c;g++){f=a.encrypt(f);for(h=0;h<f.length;h++){e[h]^=f[h];}}k=k.concat(e);}d&&(k=n.clamp(k,d));return k;};sjcl.prng=function(a){this.b=[new sjcl.hash.sha256];this.h=[0];this.F=0;this.t={};this.C=0;this.J={};this.N=this.c=this.i=this.T=0;this.a=[0,0,0,0,0,0,0,0];this.e=[0,0,0,0];this.A=t;this.B=a;this.p=u;this.z={progress:{},seeded:{}};this.l=this.S=0;this.u=1;this.w=2;this.Q=65536;this.H=[0,48,64,96,128,192,256,384,512,768,1024];this.R=30000;this.P=80;};sjcl.prng.prototype={randomWords:function(a,b){var c=[],d;d=this.isReady(b);var e;d===this.l&&q(new sjcl.exception.notReady("generator isn't seeded"));if(d&this.w){d=!(d&this.u);e=[];var f=0,g;this.N=e[0]=(new Date).valueOf()+this.R;for(g=0;16>g;g++){e.push(4294967296*Math.random()|0);}for(g=0;g<this.b.length&&!(e=e.concat(this.b[g].finalize()),f+=this.h[g],this.h[g]=0,!d&&this.F&1<<g);g++){}this.F>=1<<this.b.length&&(this.b.push(new sjcl.hash.sha256),this.h.push(0));this.c-=f;f>this.i&&(this.i=f);this.F++;this.a=sjcl.hash.sha256.hash(this.a.concat(e));this.A=new sjcl.cipher.aes(this.a);for(d=0;4>d&&!(this.e[d]=this.e[d]+1|0,this.e[d]);d++){}}for(d=0;d<a;d+=4){0===(d+1)%this.Q&&A(this),e=B(this),c.push(e[0],e[1],e[2],e[3]);}A(this);return c.slice(0,a);},setDefaultParanoia:function(a){this.B=a;},addEntropy:function(a,b,c){c=c||"user";var d,e,f=(new Date).valueOf(),g=this.t[c],h=this.isReady(),l=0;d=this.J[c];d===t&&(d=this.J[c]=this.T++);g===t&&(g=this.t[c]=0);this.t[c]=(this.t[c]+1)%this.b.length;switch(typeof a){case"number":b===t&&(b=1);this.b[g].update([d,this.C++,1,b,f,1,a|0]);break;case"object":c=Object.prototype.toString.call(a);if("[object Uint32Array]"===c){e=[];for(c=0;c<a.length;c++){e.push(a[c]);}a=e;}else{"[object Array]"!==c&&(l=1);for(c=0;c<a.length&&!l;c++){"number"!=typeof a[c]&&(l=1);}}if(!l){if(b===t){for(c=b=0;c<a.length;c++){for(e=a[c];0<e;){b++,e>>>=1;}}}this.b[g].update([d,this.C++,2,b,f,a.length].concat(a));}break;case"string":b===t&&(b=a.length);this.b[g].update([d,this.C++,3,b,f,a.length]);this.b[g].update(a);break;default:l=1;}l&&q(new sjcl.exception.bug("random: addEntropy only supports number, array of numbers or string"));this.h[g]+=b;this.c+=b;h===this.l&&(this.isReady()!==this.l&&C("seeded",Math.max(this.i,this.c)),C("progress",this.getProgress()));},isReady:function(a){a=this.H[a!==t?a:this.B];return this.i&&this.i>=a?this.h[0]>this.P&&(new Date).valueOf()>this.N?this.w|this.u:this.u:this.c>=a?this.w|this.l:this.l;},getProgress:function(a){a=this.H[a?a:this.B];return this.i>=a?1:this.c>a?1:this.c/a;},startCollectors:function(){this.p||(window.addEventListener?(window.addEventListener("load",this.r,u),window.addEventListener("mousemove",this.s,u)):document.attachEvent?(document.attachEvent("onload",this.r),document.attachEvent("onmousemove",this.s)):q(new sjcl.exception.bug("can't attach event")),this.p=!0);},stopCollectors:function(){this.p&&(window.removeEventListener?(window.removeEventListener("load",this.r,u),window.removeEventListener("mousemove",this.s,u)):window.detachEvent&&(window.detachEvent("onload",this.r),window.detachEvent("onmousemove",this.s)),this.p=u);},addEventListener:function(a,b){this.z[a][this.S++]=b;},removeEventListener:function(a,b){var c,d,e=this.z[a],f=[];for(d in e){e.hasOwnProperty(d)&&e[d]===b&&f.push(d);}for(c=0;c<f.length;c++){d=f[c],delete e[d];}},s:function(a){sjcl.random.addEntropy([a.x||a.clientX||a.offsetX||0,a.y||a.clientY||a.offsetY||0],2,"mouse");},r:function(){sjcl.random.addEntropy((new Date).valueOf(),2,"loadtime");}};function C(a,b){var c,d=sjcl.random.z[a],e=[];for(c in d){d.hasOwnProperty(c)&&e.push(d[c]);}for(c=0;c<e.length;c++){e[c](b);}}function A(a){a.a=B(a).concat(B(a));a.A=new sjcl.cipher.aes(a.a);}function B(a){for(var b=0;4>b&&!(a.e[b]=a.e[b]+1|0,a.e[b]);b++){}return a.A.encrypt(a.e);}sjcl.random=new sjcl.prng(6);try{var D=new Uint32Array(32);crypto.getRandomValues(D);sjcl.random.addEntropy(D,1024,"crypto['getRandomValues']");}catch(E){}sjcl.json={defaults:{v:1,iter:1000,ks:128,ts:64,mode:"ccm",adata:"",cipher:"aes"},encrypt:function(a,b,c,d){c=c||{};d=d||{};var e=sjcl.json,f=e.d({iv:sjcl.random.randomWords(4,0)},e.defaults),g;e.d(f,c);c=f.adata;"string"===typeof f.salt&&(f.salt=sjcl.codec.base64.toBits(f.salt));"string"===typeof f.iv&&(f.iv=sjcl.codec.base64.toBits(f.iv));(!sjcl.mode[f.mode]||!sjcl.cipher[f.cipher]||"string"===typeof a&&100>=f.iter||64!==f.ts&&96!==f.ts&&128!==f.ts||128!==f.ks&&192!==f.ks&&256!==f.ks||2>f.iv.length||4<f.iv.length)&&q(new sjcl.exception.invalid("json encrypt: invalid parameters"));"string"===typeof a?(g=sjcl.misc.cachedPbkdf2(a,f),a=g.key.slice(0,f.ks/32),f.salt=g.salt):sjcl.ecc&&a instanceof sjcl.ecc.elGamal.publicKey&&(g=a.kem(),f.kemtag=g.tag,a=g.key.slice(0,f.ks/32));"string"===typeof b&&(b=sjcl.codec.utf8String.toBits(b));"string"===typeof c&&(c=sjcl.codec.utf8String.toBits(c));g=new sjcl.cipher[f.cipher](a);e.d(d,f);d.key=a;f.ct=sjcl.mode[f.mode].encrypt(g,b,f.iv,c,f.ts);return e.encode(f);},decrypt:function(a,b,c,d){c=c||{};d=d||{};var e=sjcl.json;b=e.d(e.d(e.d({},e.defaults),e.decode(b)),c,!0);var f;c=b.adata;"string"===typeof b.salt&&(b.salt=sjcl.codec.base64.toBits(b.salt));"string"===typeof b.iv&&(b.iv=sjcl.codec.base64.toBits(b.iv));(!sjcl.mode[b.mode]||!sjcl.cipher[b.cipher]||"string"===typeof a&&100>=b.iter||64!==b.ts&&96!==b.ts&&128!==b.ts||128!==b.ks&&192!==b.ks&&256!==b.ks||!b.iv||2>b.iv.length||4<b.iv.length)&&q(new sjcl.exception.invalid("json decrypt: invalid parameters"));"string"===typeof a?(f=sjcl.misc.cachedPbkdf2(a,b),a=f.key.slice(0,b.ks/32),b.salt=f.salt):sjcl.ecc&&a instanceof sjcl.ecc.elGamal.secretKey&&(a=a.unkem(sjcl.codec.base64.toBits(b.kemtag)).slice(0,b.ks/32));"string"===typeof c&&(c=sjcl.codec.utf8String.toBits(c));f=new sjcl.cipher[b.cipher](a);c=sjcl.mode[b.mode].decrypt(f,b.ct,b.iv,c,b.ts);e.d(d,b);d.key=a;return sjcl.codec.utf8String.fromBits(c);},encode:function(a){var b,c="{",d="";for(b in a){if(a.hasOwnProperty(b)){switch(b.match(/^[a-z0-9]+$/i)||q(new sjcl.exception.invalid("json encode: invalid property name")),c+=d+'"'+b+'":',d=",",typeof a[b]){case"number":case"boolean":c+=a[b];break;case"string":c+='"'+escape(a[b])+'"';break;case"object":c+='"'+sjcl.codec.base64.fromBits(a[b],0)+'"';break;default:q(new sjcl.exception.bug("json encode: unsupported type"));}}}return c+"}";},decode:function(a){a=a.replace(/\s/g,"");a.match(/^\{.*\}$/)||q(new sjcl.exception.invalid("json decode: this isn't json!"));a=a.replace(/^\{|\}$/g,"").split(/,/);var b={},c,d;for(c=0;c<a.length;c++){(d=a[c].match(/^(?:(["']?)([a-z][a-z0-9]*)\1):(?:(\d+)|"([a-z0-9+\/%*_.@=\-]*)")$/i))||q(new sjcl.exception.invalid("json decode: this isn't json!")),b[d[2]]=d[3]?parseInt(d[3],10):d[2].match(/^(ct|salt|iv)$/)?sjcl.codec.base64.toBits(d[4]):unescape(d[4]);}return b;},d:function(a,b,c){a===t&&(a={});if(b===t){return a;}for(var d in b){b.hasOwnProperty(d)&&(c&&(a[d]!==t&&a[d]!==b[d])&&q(new sjcl.exception.invalid("required parameter overridden")),a[d]=b[d]);}return a;},X:function(a,b){var c={},d;for(d in a){a.hasOwnProperty(d)&&a[d]!==b[d]&&(c[d]=a[d]);}return c;},W:function(a,b){var c={},d;for(d=0;d<b.length;d++){a[b[d]]!==t&&(c[b[d]]=a[b[d]]);}return c;}};sjcl.encrypt=sjcl.json.encrypt;sjcl.decrypt=sjcl.json.decrypt;sjcl.misc.V={};sjcl.misc.cachedPbkdf2=function(a,b){var c=sjcl.misc.V,d;b=b||{};d=b.iter||1000;c=c[a]=c[a]||{};d=c[d]=c[d]||{firstSalt:b.salt&&b.salt.length?b.salt.slice(0):sjcl.random.randomWords(2,0)};c=b.salt===t?d.firstSalt:b.salt;d[c]=d[c]||sjcl.misc.pbkdf2(a,c,b.iter);return{key:d[c].slice(0),salt:c.slice(0)};};sjcl.codec.bytes={fromBits:function(arr){var out=[],bl=sjcl.bitArray.bitLength(arr),i,tmp;for(i=0;i<bl/8;i++){if((i&3)===0){tmp=arr[i/4];}out.push(tmp>>>24);tmp<<=8;}return out;},toBits:function(bytes){var out=[],i,tmp=0;for(i=0;i<bytes.length;i++){tmp=tmp<<8|bytes[i];if((i&3)===3){out.push(tmp);tmp=0;}}if(i&3){out.push(sjcl.bitArray.partial(8*(i&3),tmp));}return out;}};
/* aes.js */
/*
 * CryptoJS v3.1.2
 * code.google.com/p/crypto-js
 * (c) 2009-2013 by Jeff Mott. All rights reserved.
 * code.google.com/p/crypto-js/wiki/License
 * */
var CryptoJS=CryptoJS||function(u,p){var d={},l=d.lib={},s=function(){},t=l.Base={extend:function(a){s.prototype=this;var c=new s;a&&c.mixIn(a);c.hasOwnProperty("init")||(c.init=function(){c.$super.init.apply(this,arguments);});c.init.prototype=c;c.$super=this;return c;},create:function(){var a=this.extend();a.init.apply(a,arguments);return a;},init:function(){},mixIn:function(a){for(var c in a){a.hasOwnProperty(c)&&(this[c]=a[c]);}a.hasOwnProperty("toString")&&(this.toString=a.toString);},clone:function(){return this.init.prototype.extend(this);}},r=l.WordArray=t.extend({init:function(a,c){a=this.words=a||[];this.sigBytes=c!=p?c:4*a.length;},toString:function(a){return(a||v).stringify(this);},concat:function(a){var c=this.words,e=a.words,j=this.sigBytes;a=a.sigBytes;this.clamp();if(j%4){for(var k=0;k<a;k++){c[j+k>>>2]|=(e[k>>>2]>>>24-8*(k%4)&255)<<24-8*((j+k)%4);}}else{if(65535<e.length){for(k=0;k<a;k+=4){c[j+k>>>2]=e[k>>>2];}}else{c.push.apply(c,e);}}this.sigBytes+=a;return this;},clamp:function(){var a=this.words,c=this.sigBytes;a[c>>>2]&=4294967295<<32-8*(c%4);a.length=u.ceil(c/4);},clone:function(){var a=t.clone.call(this);a.words=this.words.slice(0);return a;},random:function(a){for(var c=[],e=0;e<a;e+=4){c.push(4294967296*u.random()|0);}return new r.init(c,a);}}),w=d.enc={},v=w.Hex={stringify:function(a){var c=a.words;a=a.sigBytes;for(var e=[],j=0;j<a;j++){var k=c[j>>>2]>>>24-8*(j%4)&255;e.push((k>>>4).toString(16));e.push((k&15).toString(16));}return e.join("");},parse:function(a){for(var c=a.length,e=[],j=0;j<c;j+=2){e[j>>>3]|=parseInt(a.substr(j,2),16)<<24-4*(j%8);}return new r.init(e,c/2);}},b=w.Latin1={stringify:function(a){var c=a.words;a=a.sigBytes;for(var e=[],j=0;j<a;j++){e.push(String.fromCharCode(c[j>>>2]>>>24-8*(j%4)&255));}return e.join("");},parse:function(a){for(var c=a.length,e=[],j=0;j<c;j++){e[j>>>2]|=(a.charCodeAt(j)&255)<<24-8*(j%4);}return new r.init(e,c);}},x=w.Utf8={stringify:function(a){try{return decodeURIComponent(escape(b.stringify(a)));}catch(c){throw Error("Malformed UTF-8 data");}},parse:function(a){return b.parse(unescape(encodeURIComponent(a)));}},q=l.BufferedBlockAlgorithm=t.extend({reset:function(){this._data=new r.init;this._nDataBytes=0;},_append:function(a){"string"==typeof a&&(a=x.parse(a));this._data.concat(a);this._nDataBytes+=a.sigBytes;},_process:function(a){var c=this._data,e=c.words,j=c.sigBytes,k=this.blockSize,b=j/(4*k),b=a?u.ceil(b):u.max((b|0)-this._minBufferSize,0);a=b*k;j=u.min(4*a,j);if(a){for(var q=0;q<a;q+=k){this._doProcessBlock(e,q);}q=e.splice(0,a);c.sigBytes-=j;}return new r.init(q,j);},clone:function(){var a=t.clone.call(this);a._data=this._data.clone();return a;},_minBufferSize:0});l.Hasher=q.extend({cfg:t.extend(),init:function(a){this.cfg=this.cfg.extend(a);this.reset();},reset:function(){q.reset.call(this);this._doReset();},update:function(a){this._append(a);this._process();return this;},finalize:function(a){a&&this._append(a);return this._doFinalize();},blockSize:16,_createHelper:function(a){return function(b,e){return(new a.init(e)).finalize(b);};},_createHmacHelper:function(a){return function(b,e){return(new n.HMAC.init(a,e)).finalize(b);};}});var n=d.algo={};return d;}(Math);(function(){var u=CryptoJS,p=u.lib.WordArray;u.enc.Base64={stringify:function(d){var l=d.words,p=d.sigBytes,t=this._map;d.clamp();d=[];for(var r=0;r<p;r+=3){for(var w=(l[r>>>2]>>>24-8*(r%4)&255)<<16|(l[r+1>>>2]>>>24-8*((r+1)%4)&255)<<8|l[r+2>>>2]>>>24-8*((r+2)%4)&255,v=0;4>v&&r+0.75*v<p;v++){d.push(t.charAt(w>>>6*(3-v)&63));}}if(l=t.charAt(64)){for(;d.length%4;){d.push(l);}}return d.join("");},parse:function(d){var l=d.length,s=this._map,t=s.charAt(64);t&&(t=d.indexOf(t),-1!=t&&(l=t));for(var t=[],r=0,w=0;w<l;w++){if(w%4){var v=s.indexOf(d.charAt(w-1))<<2*(w%4),b=s.indexOf(d.charAt(w))>>>6-2*(w%4);t[r>>>2]|=(v|b)<<24-8*(r%4);r++;}}return p.create(t,r);},_map:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="};})();(function(u){function p(b,n,a,c,e,j,k){b=b+(n&a|~n&c)+e+k;return(b<<j|b>>>32-j)+n;}function d(b,n,a,c,e,j,k){b=b+(n&c|a&~c)+e+k;return(b<<j|b>>>32-j)+n;}function l(b,n,a,c,e,j,k){b=b+(n^a^c)+e+k;return(b<<j|b>>>32-j)+n;}function s(b,n,a,c,e,j,k){b=b+(a^(n|~c))+e+k;return(b<<j|b>>>32-j)+n;}for(var t=CryptoJS,r=t.lib,w=r.WordArray,v=r.Hasher,r=t.algo,b=[],x=0;64>x;x++){b[x]=4294967296*u.abs(u.sin(x+1))|0;}r=r.MD5=v.extend({_doReset:function(){this._hash=new w.init([1732584193,4023233417,2562383102,271733878]);},_doProcessBlock:function(q,n){for(var a=0;16>a;a++){var c=n+a,e=q[c];q[c]=(e<<8|e>>>24)&16711935|(e<<24|e>>>8)&4278255360;}var a=this._hash.words,c=q[n+0],e=q[n+1],j=q[n+2],k=q[n+3],z=q[n+4],r=q[n+5],t=q[n+6],w=q[n+7],v=q[n+8],A=q[n+9],B=q[n+10],C=q[n+11],u=q[n+12],D=q[n+13],E=q[n+14],x=q[n+15],f=a[0],m=a[1],g=a[2],h=a[3],f=p(f,m,g,h,c,7,b[0]),h=p(h,f,m,g,e,12,b[1]),g=p(g,h,f,m,j,17,b[2]),m=p(m,g,h,f,k,22,b[3]),f=p(f,m,g,h,z,7,b[4]),h=p(h,f,m,g,r,12,b[5]),g=p(g,h,f,m,t,17,b[6]),m=p(m,g,h,f,w,22,b[7]),f=p(f,m,g,h,v,7,b[8]),h=p(h,f,m,g,A,12,b[9]),g=p(g,h,f,m,B,17,b[10]),m=p(m,g,h,f,C,22,b[11]),f=p(f,m,g,h,u,7,b[12]),h=p(h,f,m,g,D,12,b[13]),g=p(g,h,f,m,E,17,b[14]),m=p(m,g,h,f,x,22,b[15]),f=d(f,m,g,h,e,5,b[16]),h=d(h,f,m,g,t,9,b[17]),g=d(g,h,f,m,C,14,b[18]),m=d(m,g,h,f,c,20,b[19]),f=d(f,m,g,h,r,5,b[20]),h=d(h,f,m,g,B,9,b[21]),g=d(g,h,f,m,x,14,b[22]),m=d(m,g,h,f,z,20,b[23]),f=d(f,m,g,h,A,5,b[24]),h=d(h,f,m,g,E,9,b[25]),g=d(g,h,f,m,k,14,b[26]),m=d(m,g,h,f,v,20,b[27]),f=d(f,m,g,h,D,5,b[28]),h=d(h,f,m,g,j,9,b[29]),g=d(g,h,f,m,w,14,b[30]),m=d(m,g,h,f,u,20,b[31]),f=l(f,m,g,h,r,4,b[32]),h=l(h,f,m,g,v,11,b[33]),g=l(g,h,f,m,C,16,b[34]),m=l(m,g,h,f,E,23,b[35]),f=l(f,m,g,h,e,4,b[36]),h=l(h,f,m,g,z,11,b[37]),g=l(g,h,f,m,w,16,b[38]),m=l(m,g,h,f,B,23,b[39]),f=l(f,m,g,h,D,4,b[40]),h=l(h,f,m,g,c,11,b[41]),g=l(g,h,f,m,k,16,b[42]),m=l(m,g,h,f,t,23,b[43]),f=l(f,m,g,h,A,4,b[44]),h=l(h,f,m,g,u,11,b[45]),g=l(g,h,f,m,x,16,b[46]),m=l(m,g,h,f,j,23,b[47]),f=s(f,m,g,h,c,6,b[48]),h=s(h,f,m,g,w,10,b[49]),g=s(g,h,f,m,E,15,b[50]),m=s(m,g,h,f,r,21,b[51]),f=s(f,m,g,h,u,6,b[52]),h=s(h,f,m,g,k,10,b[53]),g=s(g,h,f,m,B,15,b[54]),m=s(m,g,h,f,e,21,b[55]),f=s(f,m,g,h,v,6,b[56]),h=s(h,f,m,g,x,10,b[57]),g=s(g,h,f,m,t,15,b[58]),m=s(m,g,h,f,D,21,b[59]),f=s(f,m,g,h,z,6,b[60]),h=s(h,f,m,g,C,10,b[61]),g=s(g,h,f,m,j,15,b[62]),m=s(m,g,h,f,A,21,b[63]);a[0]=a[0]+f|0;a[1]=a[1]+m|0;a[2]=a[2]+g|0;a[3]=a[3]+h|0;},_doFinalize:function(){var b=this._data,n=b.words,a=8*this._nDataBytes,c=8*b.sigBytes;n[c>>>5]|=128<<24-c%32;var e=u.floor(a/4294967296);n[(c+64>>>9<<4)+15]=(e<<8|e>>>24)&16711935|(e<<24|e>>>8)&4278255360;n[(c+64>>>9<<4)+14]=(a<<8|a>>>24)&16711935|(a<<24|a>>>8)&4278255360;b.sigBytes=4*(n.length+1);this._process();b=this._hash;n=b.words;for(a=0;4>a;a++){c=n[a],n[a]=(c<<8|c>>>24)&16711935|(c<<24|c>>>8)&4278255360;}return b;},clone:function(){var b=v.clone.call(this);b._hash=this._hash.clone();return b;}});t.MD5=v._createHelper(r);t.HmacMD5=v._createHmacHelper(r);})(Math);(function(){var u=CryptoJS,p=u.lib,d=p.Base,l=p.WordArray,p=u.algo,s=p.EvpKDF=d.extend({cfg:d.extend({keySize:4,hasher:p.MD5,iterations:1}),init:function(d){this.cfg=this.cfg.extend(d);},compute:function(d,r){for(var p=this.cfg,s=p.hasher.create(),b=l.create(),u=b.words,q=p.keySize,p=p.iterations;u.length<q;){n&&s.update(n);var n=s.update(d).finalize(r);s.reset();for(var a=1;a<p;a++){n=s.finalize(n),s.reset();}b.concat(n);}b.sigBytes=4*q;return b;}});u.EvpKDF=function(d,l,p){return s.create(p).compute(d,l);};})();CryptoJS.lib.Cipher||function(u){var p=CryptoJS,d=p.lib,l=d.Base,s=d.WordArray,t=d.BufferedBlockAlgorithm,r=p.enc.Base64,w=p.algo.EvpKDF,v=d.Cipher=t.extend({cfg:l.extend(),createEncryptor:function(e,a){return this.create(this._ENC_XFORM_MODE,e,a);},createDecryptor:function(e,a){return this.create(this._DEC_XFORM_MODE,e,a);},init:function(e,a,b){this.cfg=this.cfg.extend(b);this._xformMode=e;this._key=a;this.reset();},reset:function(){t.reset.call(this);this._doReset();},process:function(e){this._append(e);return this._process();},finalize:function(e){e&&this._append(e);return this._doFinalize();},keySize:4,ivSize:4,_ENC_XFORM_MODE:1,_DEC_XFORM_MODE:2,_createHelper:function(e){return{encrypt:function(b,k,d){return("string"==typeof k?c:a).encrypt(e,b,k,d);},decrypt:function(b,k,d){return("string"==typeof k?c:a).decrypt(e,b,k,d);}};}});d.StreamCipher=v.extend({_doFinalize:function(){return this._process(!0);},blockSize:1});var b=p.mode={},x=function(e,a,b){var c=this._iv;c?this._iv=u:c=this._prevBlock;for(var d=0;d<b;d++){e[a+d]^=c[d];}},q=(d.BlockCipherMode=l.extend({createEncryptor:function(e,a){return this.Encryptor.create(e,a);},createDecryptor:function(e,a){return this.Decryptor.create(e,a);},init:function(e,a){this._cipher=e;this._iv=a;}})).extend();q.Encryptor=q.extend({processBlock:function(e,a){var b=this._cipher,c=b.blockSize;x.call(this,e,a,c);b.encryptBlock(e,a);this._prevBlock=e.slice(a,a+c);}});q.Decryptor=q.extend({processBlock:function(e,a){var b=this._cipher,c=b.blockSize,d=e.slice(a,a+c);b.decryptBlock(e,a);x.call(this,e,a,c);this._prevBlock=d;}});b=b.CBC=q;q=(p.pad={}).Pkcs7={pad:function(a,b){for(var c=4*b,c=c-a.sigBytes%c,d=c<<24|c<<16|c<<8|c,l=[],n=0;n<c;n+=4){l.push(d);}c=s.create(l,c);a.concat(c);},unpad:function(a){a.sigBytes-=a.words[a.sigBytes-1>>>2]&255;}};d.BlockCipher=v.extend({cfg:v.cfg.extend({mode:b,padding:q}),reset:function(){v.reset.call(this);var a=this.cfg,b=a.iv,a=a.mode;if(this._xformMode==this._ENC_XFORM_MODE){var c=a.createEncryptor;}else{c=a.createDecryptor,this._minBufferSize=1;}this._mode=c.call(a,this,b&&b.words);},_doProcessBlock:function(a,b){this._mode.processBlock(a,b);},_doFinalize:function(){var a=this.cfg.padding;if(this._xformMode==this._ENC_XFORM_MODE){a.pad(this._data,this.blockSize);var b=this._process(!0);}else{b=this._process(!0),a.unpad(b);}return b;},blockSize:4});var n=d.CipherParams=l.extend({init:function(a){this.mixIn(a);},toString:function(a){return(a||this.formatter).stringify(this);}}),b=(p.format={}).OpenSSL={stringify:function(a){var b=a.ciphertext;a=a.salt;return(a?s.create([1398893684,1701076831]).concat(a).concat(b):b).toString(r);},parse:function(a){a=r.parse(a);var b=a.words;if(1398893684==b[0]&&1701076831==b[1]){var c=s.create(b.slice(2,4));b.splice(0,4);a.sigBytes-=16;}return n.create({ciphertext:a,salt:c});}},a=d.SerializableCipher=l.extend({cfg:l.extend({format:b}),encrypt:function(a,b,c,d){d=this.cfg.extend(d);var l=a.createEncryptor(c,d);b=l.finalize(b);l=l.cfg;return n.create({ciphertext:b,key:c,iv:l.iv,algorithm:a,mode:l.mode,padding:l.padding,blockSize:a.blockSize,formatter:d.format});},decrypt:function(a,b,c,d){d=this.cfg.extend(d);b=this._parse(b,d.format);return a.createDecryptor(c,d).finalize(b.ciphertext);},_parse:function(a,b){return"string"==typeof a?b.parse(a,this):a;}}),p=(p.kdf={}).OpenSSL={execute:function(a,b,c,d){d||(d=s.random(8));a=w.create({keySize:b+c}).compute(a,d);c=s.create(a.words.slice(b),4*c);a.sigBytes=4*b;return n.create({key:a,iv:c,salt:d});}},c=d.PasswordBasedCipher=a.extend({cfg:a.cfg.extend({kdf:p}),encrypt:function(b,c,d,l){l=this.cfg.extend(l);d=l.kdf.execute(d,b.keySize,b.ivSize);l.iv=d.iv;b=a.encrypt.call(this,b,c,d.key,l);b.mixIn(d);return b;},decrypt:function(b,c,d,l){l=this.cfg.extend(l);c=this._parse(c,l.format);d=l.kdf.execute(d,b.keySize,b.ivSize,c.salt);l.iv=d.iv;return a.decrypt.call(this,b,c,d.key,l);}});}();(function(){for(var u=CryptoJS,p=u.lib.BlockCipher,d=u.algo,l=[],s=[],t=[],r=[],w=[],v=[],b=[],x=[],q=[],n=[],a=[],c=0;256>c;c++){a[c]=128>c?c<<1:c<<1^283;}for(var e=0,j=0,c=0;256>c;c++){var k=j^j<<1^j<<2^j<<3^j<<4,k=k>>>8^k&255^99;l[e]=k;s[k]=e;var z=a[e],F=a[z],G=a[F],y=257*a[k]^16843008*k;t[e]=y<<24|y>>>8;r[e]=y<<16|y>>>16;w[e]=y<<8|y>>>24;v[e]=y;y=16843009*G^65537*F^257*z^16843008*e;b[k]=y<<24|y>>>8;x[k]=y<<16|y>>>16;q[k]=y<<8|y>>>24;n[k]=y;e?(e=z^a[a[a[G^z]]],j^=a[a[j]]):e=j=1;}var H=[0,1,2,4,8,16,32,64,128,27,54],d=d.AES=p.extend({_doReset:function(){for(var a=this._key,c=a.words,d=a.sigBytes/4,a=4*((this._nRounds=d+6)+1),e=this._keySchedule=[],j=0;j<a;j++){if(j<d){e[j]=c[j];}else{var k=e[j-1];j%d?6<d&&4==j%d&&(k=l[k>>>24]<<24|l[k>>>16&255]<<16|l[k>>>8&255]<<8|l[k&255]):(k=k<<8|k>>>24,k=l[k>>>24]<<24|l[k>>>16&255]<<16|l[k>>>8&255]<<8|l[k&255],k^=H[j/d|0]<<24);e[j]=e[j-d]^k;}}c=this._invKeySchedule=[];for(d=0;d<a;d++){j=a-d,k=d%4?e[j]:e[j-4],c[d]=4>d||4>=j?k:b[l[k>>>24]]^x[l[k>>>16&255]]^q[l[k>>>8&255]]^n[l[k&255]];}},encryptBlock:function(a,b){this._doCryptBlock(a,b,this._keySchedule,t,r,w,v,l);},decryptBlock:function(a,c){var d=a[c+1];a[c+1]=a[c+3];a[c+3]=d;this._doCryptBlock(a,c,this._invKeySchedule,b,x,q,n,s);d=a[c+1];a[c+1]=a[c+3];a[c+3]=d;},_doCryptBlock:function(a,b,c,d,e,j,l,f){for(var m=this._nRounds,g=a[b]^c[0],h=a[b+1]^c[1],k=a[b+2]^c[2],n=a[b+3]^c[3],p=4,r=1;r<m;r++){var q=d[g>>>24]^e[h>>>16&255]^j[k>>>8&255]^l[n&255]^c[p++],s=d[h>>>24]^e[k>>>16&255]^j[n>>>8&255]^l[g&255]^c[p++],t=d[k>>>24]^e[n>>>16&255]^j[g>>>8&255]^l[h&255]^c[p++],n=d[n>>>24]^e[g>>>16&255]^j[h>>>8&255]^l[k&255]^c[p++],g=q,h=s,k=t;}q=(f[g>>>24]<<24|f[h>>>16&255]<<16|f[k>>>8&255]<<8|f[n&255])^c[p++];s=(f[h>>>24]<<24|f[k>>>16&255]<<16|f[n>>>8&255]<<8|f[g&255])^c[p++];t=(f[k>>>24]<<24|f[n>>>16&255]<<16|f[g>>>8&255]<<8|f[h&255])^c[p++];n=(f[n>>>24]<<24|f[g>>>16&255]<<16|f[h>>>8&255]<<8|f[k&255])^c[p++];a[b]=q;a[b+1]=s;a[b+2]=t;a[b+3]=n;},keySize:8});u.AES=p._createHelper(d);})();
/* client_crypto.js | by lj */
var salt = sjcl.codec.bytes.toBits([0xda, 0x90, 0x45, 0xc3, 0x06, 0xc7, 0xcc, 0x26]);

// gen magic_str
function gen_magic_str(repo_id, passwd) {
    var magic_array = sjcl.misc.pbkdf2(repo_id + passwd, salt, 1000, 32*8, null);
    var magic_str = sjcl.codec.hex.fromBits(magic_array); //convert to hex
    return magic_str;
}

function FileKey(passwd) {
    this.passwd = passwd;
}
FileKey.prototype.pre = function() {
    var passwd = this.passwd;

    var key_array = sjcl.misc.pbkdf2(passwd, salt, 1000, 32*8, null);
    var iv_array = sjcl.misc.pbkdf2(key_array, salt, 10, 32*8, null);
    var key =  sjcl.codec.hex.fromBits(key_array);
    var iv = sjcl.codec.hex.fromBits(iv_array);
    
    return {key: key, iv:iv};
};
// generate an encrypted file key
FileKey.prototype.gen_enc = function() {
    var file_key_array;
    if (window.crypto && window.crypto.getRandomValues) {
        file_key_array = new Uint32Array(8);
        window.crypto.getRandomValues(file_key_array);
    } else {
        file_key_array = []; 
        for (var i = 0; i < 8; i++) {
            file_key_array.push(parseInt(Math.random() * Math.pow(2,32)));
        }
    }

    var pre = this.pre();
    var key = pre.key, iv = pre.iv;

    var encrypted_file_key_obj = CryptoJS.AES.encrypt(CryptoJS.lib.WordArray.create(file_key_array), CryptoJS.enc.Hex.parse(key), {iv: CryptoJS.enc.Hex.parse(iv)});
    var encrypted_file_key = encrypted_file_key_obj.ciphertext.toString(CryptoJS.enc.Hex); // convert to hex
    
    return encrypted_file_key;
};
FileKey.prototype.decrypt = function(encrypted_file_key) {
    var pre = this.pre();
    var key = pre.key, iv = pre.iv;

    var file_key_array = CryptoJS.AES.decrypt(CryptoJS.enc.Hex.parse(encrypted_file_key).toString(CryptoJS.enc.Base64), CryptoJS.enc.Hex.parse(key), {iv: CryptoJS.enc.Hex.parse(iv)});
    var file_key = file_key_array.toString(CryptoJS.enc.Hex);
    
    return file_key;
};

// gen key, iv: used in file encrypt/decrypt
function gen_enc_key_iv(file_key) {
    var enc_key_array = sjcl.misc.pbkdf2(sjcl.codec.hex.toBits(file_key), salt, 1000, 32*8, null);
    var enc_iv_array = sjcl.misc.pbkdf2(enc_key_array, salt, 10, 32*8, null);
    var enc_key = sjcl.codec.hex.fromBits(enc_key_array);
    var enc_iv = sjcl.codec.hex.fromBits(enc_iv_array);
    
    return {key: enc_key, iv:enc_iv}; 
}