sjcl.hash.sha256.prototype={blockSize:512,reset:function(){this.F=this.Y.slice(0);this.A=[];this.l=0;returnthis},update:function(a){"string"===typeofa&&(a=sjcl.codec.utf8String.toBits(a));varb,c=this.A=sjcl.bitArray.concat(this.A,a);b=this.l;a=this.l=b+sjcl.bitArray.bitLength(a);if(0x1fffffffffffff<a)thrownewsjcl.exception.invalid("Cannot hash more than 2^53 - 1 bits");if("undefined"!==typeofUint32Array){vard=newUint32Array(c),e=0;for(b=512+b-(512+b&0x1ff);b<=a;b+=512)u(this,d.subarray(16*e,
sjcl.mode.ccm={name:"ccm",G:[],listenProgress:function(a){sjcl.mode.ccm.G.push(a)},unListenProgress:function(a){a=sjcl.mode.ccm.G.indexOf(a);-1<a&&sjcl.mode.ccm.G.splice(a,1)},fa:function(a){varb=sjcl.mode.ccm.G.slice(),c;for(c=0;c<b.length;c+=1)b[c](a)},encrypt:function(a,b,c,d,e){varf,g=b.slice(0),h=sjcl.bitArray,k=h.bitLength(c)/8,l=h.bitLength(g)/8;e=e||64;d=d||[];if(7>k)thrownewsjcl.exception.invalid("ccm: iv must be at least 7 bytes");for(f=2;4>f&&l>>>8*f;f++);f<15-k&&(f=15-k);c=h.clamp(c,
8*(15-f));b=sjcl.mode.ccm.V(a,b,c,d,e,f);g=sjcl.mode.ccm.C(a,g,c,b,e,f);returnh.concat(g.data,g.tag)},decrypt:function(a,b,c,d,e){e=e||64;d=d||[];varf=sjcl.bitArray,g=f.bitLength(c)/8,h=f.bitLength(b),k=f.clamp(b,h-e),l=f.bitSlice(b,h-e),h=(h-e)/8;if(7>g)thrownewsjcl.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));k=sjcl.mode.ccm.C(a,k,c,l,e,b);a=sjcl.mode.ccm.V(a,k.data,c,d,e,b);if(!f.equal(k.tag,a))thrownewsjcl.exception.corrupt("ccm: tag doesn't match");
returnk.data},na:function(a,b,c,d,e,f){varg=[],h=sjcl.bitArray,k=h.i;d=[h.partial(8,(b.length?64:0)|d-2<<2|f-1)];d=h.concat(d,c);d[3]|=e;d=a.encrypt(d);if(b.length)for(c=h.bitLength(b)/8,65279>=c?g=[h.partial(16,c)]:0xffffffff>=c&&(g=h.concat([h.partial(16,65534)],[c])),g=h.concat(g,b),b=0;b<g.length;b+=4)d=a.encrypt(k(d,g.slice(b,b+4).concat([0,0,0])));returnd},V:function(a,b,c,d,e,f){varg=sjcl.bitArray,h=g.i;e/=8;if(e%2||4>e||16<e)thrownewsjcl.exception.invalid("ccm: invalid tag length");
if(0xffffffff<d.length||0xffffffff<b.length)thrownewsjcl.exception.bug("ccm: can't deal with 4GiB or more data");c=sjcl.mode.ccm.na(a,d,c,e,g.bitLength(b)/8,f);for(d=0;d<b.length;d+=4)c=a.encrypt(h(c,b.slice(d,d+4).concat([0,0,0])));returng.clamp(c,8*e)},C:function(a,b,c,d,e,f){varg,h=sjcl.bitArray;g=h.i;vark=b.length,l=h.bitLength(b),n=k/50,m=n;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(!k)return{tag:d,data:[]};for(g=0;g<k;g+=4)g>n&&(sjcl.mode.ccm.fa(g/
sjcl.mode.ocb2={name:"ocb2",encrypt:function(a,b,c,d,e,f){if(128!==sjcl.bitArray.bitLength(c))thrownewsjcl.exception.invalid("ocb iv must be 128 bits");varg,h=sjcl.mode.ocb2.S,k=sjcl.bitArray,l=k.i,n=[0,0,0,0];c=h(a.encrypt(c));varm,p=[];d=d||[];e=e||64;for(g=0;g+4<b.length;g+=4)m=b.slice(g,g+4),n=l(n,m),p=p.concat(l(c,a.encrypt(l(c,m)))),c=h(c);m=b.slice(g);b=k.bitLength(m);g=a.encrypt(l(c,[0,0,0,b]));m=k.clamp(l(m.concat([0,0,0]),g),b);n=l(n,l(m.concat([0,0,0]),g));n=a.encrypt(l(n,l(c,h(c))));
d.length&&(n=l(n,f?d:sjcl.mode.ocb2.pmac(a,d)));returnp.concat(k.concat(m,k.clamp(n,e)))},decrypt:function(a,b,c,d,e,f){if(128!==sjcl.bitArray.bitLength(c))thrownewsjcl.exception.invalid("ocb iv must be 128 bits");e=e||64;varg=sjcl.mode.ocb2.S,h=sjcl.bitArray,k=h.i,l=[0,0,0,0],n=g(a.encrypt(c)),m,p,r=sjcl.bitArray.bitLength(b)-e,q=[];d=d||[];for(c=0;c+4<r/32;c+=4)m=k(n,a.decrypt(k(n,b.slice(c,c+4)))),l=k(l,m),q=q.concat(m),n=g(n);p=r-32*c;m=a.encrypt(k(n,[0,0,0,p]));m=k(m,h.clamp(b.slice(c),p).concat([0,
0,0]));l=k(l,m);l=a.encrypt(k(l,k(n,g(n))));d.length&&(l=k(l,f?d:sjcl.mode.ocb2.pmac(a,d)));if(!h.equal(h.clamp(l,e),h.bitSlice(b,r)))thrownewsjcl.exception.corrupt("ocb: tag doesn't match");returnq.concat(h.clamp(m,p))},pmac:function(a,b){varc,d=sjcl.mode.ocb2.S,e=sjcl.bitArray,f=e.i,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);
sjcl.mode.gcm={name:"gcm",encrypt:function(a,b,c,d,e){varf=b.slice(0);b=sjcl.bitArray;d=d||[];a=sjcl.mode.gcm.C(!0,a,f,d,c,e||128);returnb.concat(a.data,a.tag)},decrypt:function(a,b,c,d,e){varf=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.C(!1,a,f,d,c,e);if(!g.equal(a.tag,b))thrownewsjcl.exception.corrupt("gcm: tag doesn't match");returna.data},ka:function(a,b){varc,d,e,f,g,h=sjcl.bitArray.i;e=[0,0,
sjcl.misc.hmac.prototype.encrypt=sjcl.misc.hmac.prototype.mac=function(a){if(this.aa)thrownewsjcl.exception.invalid("encrypt on already updated hmac called!");this.update(a);returnthis.digest(a)};sjcl.misc.hmac.prototype.reset=function(){this.R=newthis.W(this.w[0]);this.aa=!1};sjcl.misc.hmac.prototype.update=function(a){this.aa=!0;this.R.update(a)};sjcl.misc.hmac.prototype.digest=function(){vara=this.R.finalize(),a=(newthis.W(this.w[1])).update(a).finalize();this.reset();returna};
sjcl.misc.pbkdf2=function(a,b,c,d,e){c=c||1E4;if(0>d||0>c)thrownewsjcl.exception.invalid("invalid params to pbkdf2");"string"===typeofa&&(a=sjcl.codec.utf8String.toBits(a));"string"===typeofb&&(b=sjcl.codec.utf8String.toBits(b));e=e||sjcl.misc.hmac;a=newe(a);varf,g,h,k,l=[],n=sjcl.bitArray;for(k=1;32*l.length<(d||1);k++){e=f=a.encrypt(n.concat(b,[k]));for(g=1;g<c;g++)for(f=a.encrypt(f),h=0;h<f.length;h++)e[h]^=f[h];l=l.concat(e)}d&&(l=n.clamp(l,d));returnl};
f);this.P++;this.b=sjcl.hash.sha256.hash(this.b.concat(e));this.L=newsjcl.cipher.aes(this.b);for(d=0;4>d&&(this.h[d]=this.h[d]+1|0,!this.h[d]);d++);}for(d=0;d<a;d+=4)0===(d+1)%this.ca&&y(this),e=z(this),c.push(e[0],e[1],e[2],e[3]);y(this);returnc.slice(0,a)},setDefaultParanoia:function(a,b){if(0===a&&"Setting paranoia=0 will ruin your security; use it only for testing"!==b)thrownewsjcl.exception.invalid("Setting paranoia=0 will ruin your security; use it only for testing");this.M=a},addEntropy:function(a,
(k=1);if(!k){if(void0===b)for(c=b=0;c<a.length;c++)for(e=a[c];0<e;)b++,e=e>>>1;this.c[g].update([d,this.N++,2,b,f,a.length].concat(a))}break;case"string":void0===b&&(b=a.length);this.c[g].update([d,this.N++,3,b,f,a.length]);this.c[g].update(a);break;default:k=1}if(k)thrownewsjcl.exception.bug("random: addEntropy only supports number, array of numbers or string");this.m[g]+=b;this.f+=b;h===this.u&&(this.isReady()!==this.u&&A("seeded",Math.max(this.o,this.f)),A("progress",this.getProgress()))},
elsebreaka;sjcl.random.addEntropy(F,1024,"crypto['getRandomValues']")}}catch(a){"undefined"!==typeofwindow&&window.console&&(console.log("There was an error collecting entropy from the browser:"),console.log(a))}
