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annotate src/browser/otr.min.js @ 918:96a56856d357

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pages (blog_new/articles): first concert Libervia page, blog articles: This page is for now called blog_new to avoid conflict with former blog static page, but it will replace the older one when ready. The page get target profile from URL, the request 10 last blog from it, and display it using blog/articles template. Errors are not correctly handled for now (specially blog retrieval errors).
author Goffi <goffi@goffi.org>
date Mon, 06 Mar 2017 00:05:31 +0100
parents cd56f2b0e85b
children
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1 /*
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2
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3 This file contains minified versions of otr.js, Big Integer Library, CryptoJS, EventEmitter.
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4 It is sublicensed under AGPL v3 (or any later version) as allowed by the original licenses.
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5
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6 Below some information about the authors and the licences of the included libraries:
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7
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8 Big Integer Library v. 5.5
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9 Created 2000, last modified 2013
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10 Leemon Baird
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11 www.leemon.com
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12 Original licence information:
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13 // This file is public domain. You can use it for any purpose without restriction.
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14 // I do not guarantee that it is correct, so use it at your own risk. If you use
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15 // it for something interesting, I'd appreciate hearing about it. If you find
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16 // any bugs or make any improvements, I'd appreciate hearing about those too.
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17 // It would also be nice if my name and URL were left in the comments. But none
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18 // of that is required.
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19
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20 CryptoJS v3.1.2
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21 code.google.com/p/crypto-js
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22 (c) 2009-2013 by Jeff Mott. All rights reserved.
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23 code.google.com/p/crypto-js/wiki/License (MIT licence)
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24
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25 EventEmitter v4.2.3 - git.io/ee
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26 Oliver Caldwell
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27 MIT license
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0de69fec24e9 browser and server sides: OTR plugin, first draft
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29 otr.js v0.2.12 - 2014-04-15
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30 (c) 2014 - Arlo Breault <arlolra@gmail.com>
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31 Freely distributed under the MPL v2.0 license.
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32
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33 */
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34
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cd56f2b0e85b browser_side: disable OTR if the browser is too old to offer crypto.getRandomValues (CSPRNG)
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35 if (typeof crypto !== 'undefined' && (typeof crypto.randomBytes === 'function' || typeof crypto.getRandomValues === 'function')) {
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37 (function(a,b){if(typeof define==="function"&&define.amd){define(b.bind(a,a.crypto||a.msCrypto))}else{if(typeof module!=="undefined"&&module.exports){module.exports=b(require("crypto"))}else{a.BigInt=b(a.crypto||a.msCrypto)}}}(this,function(v){var x=26;var E=1<<x;var aw=E-1;var bd="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_=!@#$%^&*()[]{}|;:,.<>/?`~ \\'\"+-";var o=a0(1,1,1);var W=new Array(0);var aT=W;var n=W;var k=W;var j=W;var i=W;var h=W,g=W;var f=W;var e=W;var ar=W;var a2=W;var aR=W,F=W,R=W;var S=W,V=W,aG=W,aE=W,aC=W,aA=W;var ah=W,ag=W,af=W,aL=W,P=W,O=W,aH=W;var N=W,al=W,aa=W,aQ=W,ao=W,bf=W,U=W,a8=W;var ae=W,H=W,X=W,ad=W,ab=W,M=W,L=W,aW=W;var a7=W;function ba(bl){var T,bj,bk,t;bj=new Array(bl);for(T=0;T<bl;T++){bj[T]=0}bj[0]=2;bk=0;for(;bj[bk]<bl;){for(T=bj[bk]*bj[bk];T<bl;T+=bj[bk]){bj[T]=1}bk++;bj[bk]=bj[bk-1]+1;for(;bj[bk]<bl&&bj[bj[bk]];bj[bk]++){}}t=new Array(bk);for(T=0;T<bk;T++){t[T]=bj[T]}return t}function 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j=h.indexOf(p.charAt(l))>>>(6-(l%4)*2);o[m>>>2]|=(k|j)<<(24-(m%4)*8);m++}}return c.create(o,m)},_map:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="}}());a.lib.Cipher||(function(e){var n=a;var x=n.lib;var j=x.Base;var u=x.WordArray;var w=x.BufferedBlockAlgorithm;var s=n.enc;var g=s.Utf8;var m=s.Base64;var c=n.algo;var i=c.EvpKDF;var k=x.Cipher=w.extend({cfg:j.extend(),createEncryptor:function(C,B){return this.create(this._ENC_XFORM_MODE,C,B)},createDecryptor:function(C,B){return this.create(this._DEC_XFORM_MODE,C,B)},init:function(D,C,B){this.cfg=this.cfg.extend(B);this._xformMode=D;this._key=C;this.reset()},reset:function(){w.reset.call(this);this._doReset()},process:function(B){this._append(B);return this._process()},finalize:function(C){if(C){this._append(C)}var B=this._doFinalize();return B},keySize:128/32,ivSize:128/32,_ENC_XFORM_MODE:1,_DEC_XFORM_MODE:2,_createHelper:(function(){function B(C){if(typeof C=="string"){return h}else{return A}}return function(C){return{encrypt:function(F,E,D){return B(E).encrypt(C,F,E,D)},decrypt:function(F,E,D){return B(E).decrypt(C,F,E,D)}}}}())});var q=x.StreamCipher=k.extend({_doFinalize:function(){var B=this._process(!!"flush");return B},blockSize:1});var t=n.mode={};var z=x.BlockCipherMode=j.extend({createEncryptor:function(B,C){return this.Encryptor.create(B,C)},createDecryptor:function(B,C){return this.Decryptor.create(B,C)},init:function(B,C){this._cipher=B;this._iv=C}});var d=t.CBC=(function(){var B=z.extend();B.Encryptor=B.extend({processBlock:function(G,F){var D=this._cipher;var E=D.blockSize;C.call(this,G,F,E);D.encryptBlock(G,F);this._prevBlock=G.slice(F,F+E)}});B.Decryptor=B.extend({processBlock:function(H,G){var D=this._cipher;var F=D.blockSize;var E=H.slice(G,G+F);D.decryptBlock(H,G);C.call(this,H,G,F);this._prevBlock=E}});function C(I,H,F){var D=this._iv;if(D){var G=D;this._iv=e}else{var G=this._prevBlock}for(var E=0;E<F;E++){I[H+E]^=G[E]}}return B}());var f=n.pad={};var b=f.Pkcs7={pad:function(G,E){var F=E*4;var I=F-G.sigBytes%F;var B=(I<<24)|(I<<16)|(I<<8)|I;var D=[];for(var C=0;C<I;C+=4){D.push(B)}var H=u.create(D,I);G.concat(H)},unpad:function(B){var C=B.words[(B.sigBytes-1)>>>2]&255;B.sigBytes-=C}};var r=x.BlockCipher=k.extend({cfg:k.cfg.extend({mode:d,padding:b}),reset:function(){k.reset.call(this);var B=this.cfg;var C=B.iv;var E=B.mode;if(this._xformMode==this._ENC_XFORM_MODE){var D=E.createEncryptor}else{var D=E.createDecryptor;this._minBufferSize=1}this._mode=D.call(E,this,C&&C.words)},_doProcessBlock:function(C,B){this._mode.processBlock(C,B)},_doFinalize:function(){var C=this.cfg.padding;if(this._xformMode==this._ENC_XFORM_MODE){C.pad(this._data,this.blockSize);var B=this._process(!!"flush")}else{var B=this._process(!!"flush");C.unpad(B)}return B},blockSize:128/32});var p=x.CipherParams=j.extend({init:function(B){this.mixIn(B)},toString:function(B){return(B||this.formatter).stringify(this)}});var o=n.format={};var v=o.OpenSSL={stringify:function(B){var E=B.ciphertext;var C=B.salt;if(C){var D=u.create([1398893684,1701076831]).concat(C).concat(E)}else{var D=E}return D.toString(m)},parse:function(D){var C=m.parse(D);var E=C.words;if(E[0]==1398893684&&E[1]==1701076831){var B=u.create(E.slice(2,4));E.splice(0,4);C.sigBytes-=16}return p.create({ciphertext:C,salt:B})}};var A=x.SerializableCipher=j.extend({cfg:j.extend({format:v}),encrypt:function(B,G,E,C){C=this.cfg.extend(C);var D=B.createEncryptor(E,C);var H=D.finalize(G);var F=D.cfg;return p.create({ciphertext:H,key:E,iv:F.iv,algorithm:B,mode:F.mode,padding:F.padding,blockSize:B.blockSize,formatter:C.format})},decrypt:function(B,F,D,C){C=this.cfg.extend(C);F=this._parse(F,C.format);var E=B.createDecryptor(D,C).finalize(F.ciphertext);return E},_parse:function(B,C){if(typeof B=="string"){return C.parse(B,this)}else{return B}}});var l=n.kdf={};var y=l.OpenSSL={execute:function(D,G,B,F){if(!F){F=u.random(64/8)}var E=i.create({keySize:G+B}).compute(D,F);var C=u.create(E.words.slice(G),B*4);E.sigBytes=G*4;return p.create({key:E,iv:C,salt:F})}};var h=x.PasswordBasedCipher=A.extend({cfg:A.cfg.extend({kdf:y}),encrypt:function(B,E,D,C){C=this.cfg.extend(C);var G=C.kdf.execute(D,B.keySize,B.ivSize);C.iv=G.iv;var F=A.encrypt.call(this,B,E,G.key,C);F.mixIn(G);return F},decrypt:function(B,F,D,C){C=this.cfg.extend(C);F=this._parse(F,C.format);var G=C.kdf.execute(D,B.keySize,B.ivSize,F.salt);C.iv=G.iv;var E=A.decrypt.call(this,B,F,G.key,C);return E}})}());(function(){var b=a;var c=b.lib;var q=c.BlockCipher;var l=b.algo;var e=[];var m=[];var p=[];var o=[];var n=[];var k=[];var j=[];var i=[];var h=[];var g=[];(function(){var u=[];for(var s=0;s<256;s++){if(s<128){u[s]=s<<1}else{u[s]=(s<<1)^283}}var y=0;var v=0;for(var s=0;s<256;s++){var w=v^(v<<1)^(v<<2)^(v<<3)^(v<<4);w=(w>>>8)^(w&255)^99;e[y]=w;m[w]=y;var r=u[y];var B=u[r];var z=u[B];var A=(u[w]*257)^(w*16843008);p[y]=(A<<24)|(A>>>8);o[y]=(A<<16)|(A>>>16);n[y]=(A<<8)|(A>>>24);k[y]=A;var A=(z*16843009)^(B*65537)^(r*257)^(y*16843008);j[w]=(A<<24)|(A>>>8);i[w]=(A<<16)|(A>>>16);h[w]=(A<<8)|(A>>>24);g[w]=A;if(!y){y=v=1}else{y=r^u[u[u[z^r]]];v^=u[u[v]]}}}());var d=[0,1,2,4,8,16,32,64,128,27,54];var f=l.AES=q.extend({_doReset:function(){var A=this._key;var s=A.words;var z=A.sigBytes/4;var y=this._nRounds=z+6;var r=(y+1)*4;var u=this._keySchedule=[];for(var x=0;x<r;x++){if(x<z){u[x]=s[x]}else{var B=u[x-1];if(!(x%z)){B=(B<<8)|(B>>>24);B=(e[B>>>24]<<24)|(e[(B>>>16)&255]<<16)|(e[(B>>>8)&255]<<8)|e[B&255];B^=d[(x/z)|0]<<24}else{if(z>6&&x%z==4){B=(e[B>>>24]<<24)|(e[(B>>>16)&255]<<16)|(e[(B>>>8)&255]<<8)|e[B&255]}}u[x]=u[x-z]^B}}var v=this._invKeySchedule=[];for(var w=0;w<r;w++){var x=r-w;if(w%4){var B=u[x]}else{var B=u[x-4]}if(w<4||x<=4){v[w]=B}else{v[w]=j[e[B>>>24]]^i[e[(B>>>16)&255]]^h[e[(B>>>8)&255]]^g[e[B&255]]}}},encryptBlock:function(s,r){this._doCryptBlock(s,r,this._keySchedule,p,o,n,k,e)},decryptBlock:function(u,s){var r=u[s+1];u[s+1]=u[s+3];u[s+3]=r;this._doCryptBlock(u,s,this._invKeySchedule,j,i,h,g,m);var r=u[s+1];u[s+1]=u[s+3];u[s+3]=r},_doCryptBlock:function(A,z,I,w,u,s,r,H){var F=this._nRounds;var y=A[z]^I[0];var x=A[z+1]^I[1];var v=A[z+2]^I[2];var t=A[z+3]^I[3];var G=4;for(var J=1;J<F;J++){var E=w[y>>>24]^u[(x>>>16)&255]^s[(v>>>8)&255]^r[t&255]^I[G++];var D=w[x>>>24]^u[(v>>>16)&255]^s[(t>>>8)&255]^r[y&255]^I[G++];var C=w[v>>>24]^u[(t>>>16)&255]^s[(y>>>8)&255]^r[x&255]^I[G++];var B=w[t>>>24]^u[(y>>>16)&255]^s[(x>>>8)&255]^r[v&255]^I[G++];y=E;x=D;v=C;t=B}var E=((H[y>>>24]<<24)|(H[(x>>>16)&255]<<16)|(H[(v>>>8)&255]<<8)|H[t&255])^I[G++];var D=((H[x>>>24]<<24)|(H[(v>>>16)&255]<<16)|(H[(t>>>8)&255]<<8)|H[y&255])^I[G++];var C=((H[v>>>24]<<24)|(H[(t>>>16)&255]<<16)|(H[(y>>>8)&255]<<8)|H[x&255])^I[G++];var B=((H[t>>>24]<<24)|(H[(y>>>16)&255]<<16)|(H[(x>>>8)&255]<<8)|H[v&255])^I[G++];A[z]=E;A[z+1]=D;A[z+2]=C;A[z+3]=B},keySize:256/32});b.AES=q._createHelper(f)}());(function(){var h=a;var e=h.lib;var g=e.WordArray;var c=e.Hasher;var f=h.algo;var b=[];var d=f.SHA1=c.extend({_doReset:function(){this._hash=new g.init([1732584193,4023233417,2562383102,271733878,3285377520])},_doProcessBlock:function(o,k){var u=this._hash.words;var s=u[0];var r=u[1];var q=u[2];var p=u[3];var m=u[4];for(var l=0;l<80;l++){if(l<16){b[l]=o[k+l]|0}else{var j=b[l-3]^b[l-8]^b[l-14]^b[l-16];b[l]=(j<<1)|(j>>>31)}var v=((s<<5)|(s>>>27))+m+b[l];if(l<20){v+=((r&q)|(~r&p))+1518500249}else{if(l<40){v+=(r^q^p)+1859775393}else{if(l<60){v+=((r&q)|(r&p)|(q&p))-1894007588}else{v+=(r^q^p)-899497514}}}m=p;p=q;q=(r<<30)|(r>>>2);r=s;s=v}u[0]=(u[0]+s)|0;u[1]=(u[1]+r)|0;u[2]=(u[2]+q)|0;u[3]=(u[3]+p)|0;u[4]=(u[4]+m)|0},_doFinalize:function(){var k=this._data;var l=k.words;var i=this._nDataBytes*8;var j=k.sigBytes*8;l[j>>>5]|=128<<(24-j%32);l[(((j+64)>>>9)<<4)+14]=Math.floor(i/4294967296);l[(((j+64)>>>9)<<4)+15]=i;k.sigBytes=l.length*4;this._process();return this._hash},clone:function(){var i=c.clone.call(this);i._hash=this._hash.clone();return i}});h.SHA1=c._createHelper(d);h.HmacSHA1=c._createHmacHelper(d)}());(function(d){var b=a;var c=b.lib;var h=c.WordArray;var f=c.Hasher;var i=b.algo;var k=[];var j=[];(function(){function o(s){var r=d.sqrt(s);for(var q=2;q<=r;q++){if(!(s%q)){return false}}return true}function m(q){return((q-(q|0))*4294967296)|0}var p=2;var l=0;while(l<64){if(o(p)){if(l<8){k[l]=m(d.pow(p,1/2))}j[l]=m(d.pow(p,1/3));l++}p++}}());var e=[];var g=i.SHA256=f.extend({_doReset:function(){this._hash=new h.init(k.slice(0))},_doProcessBlock:function(o,n){var r=this._hash.words;var E=r[0];var D=r[1];var C=r[2];var B=r[3];var A=r[4];var z=r[5];var y=r[6];var x=r[7];for(var w=0;w<64;w++){if(w<16){e[w]=o[n+w]|0}else{var m=e[w-15];var G=((m<<25)|(m>>>7))^((m<<14)|(m>>>18))^(m>>>3);var s=e[w-2];var F=((s<<15)|(s>>>17))^((s<<13)|(s>>>19))^(s>>>10);e[w]=G+e[w-7]+F+e[w-16]}var t=(A&z)^(~A&y);var l=(E&D)^(E&C)^(D&C);var v=((E<<30)|(E>>>2))^((E<<19)|(E>>>13))^((E<<10)|(E>>>22));var u=((A<<26)|(A>>>6))^((A<<21)|(A>>>11))^((A<<7)|(A>>>25));var q=x+u+t+j[w]+e[w];var p=v+l;x=y;y=z;z=A;A=(B+q)|0;B=C;C=D;D=E;E=(q+p)|0}r[0]=(r[0]+E)|0;r[1]=(r[1]+D)|0;r[2]=(r[2]+C)|0;r[3]=(r[3]+B)|0;r[4]=(r[4]+A)|0;r[5]=(r[5]+z)|0;r[6]=(r[6]+y)|0;r[7]=(r[7]+x)|0},_doFinalize:function(){var n=this._data;var o=n.words;var l=this._nDataBytes*8;var m=n.sigBytes*8;o[m>>>5]|=128<<(24-m%32);o[(((m+64)>>>9)<<4)+14]=d.floor(l/4294967296);o[(((m+64)>>>9)<<4)+15]=l;n.sigBytes=o.length*4;this._process();return this._hash},clone:function(){var l=f.clone.call(this);l._hash=this._hash.clone();return l}});b.SHA256=f._createHelper(g);b.HmacSHA256=f._createHmacHelper(g)}(Math));(function(){var h=a;var e=h.lib;var d=e.Base;var g=h.enc;var c=g.Utf8;var f=h.algo;var b=f.HMAC=d.extend({init:function(r,o){r=this._hasher=new r.init();if(typeof o=="string"){o=c.parse(o)}var l=r.blockSize;var j=l*4;if(o.sigBytes>j){o=r.finalize(o)}o.clamp();var q=this._oKey=o.clone();var n=this._iKey=o.clone();var p=q.words;var k=n.words;for(var m=0;m<l;m++){p[m]^=1549556828;k[m]^=909522486}q.sigBytes=n.sigBytes=j;this.reset()},reset:function(){var i=this._hasher;i.reset();i.update(this._iKey)},update:function(i){this._hasher.update(i);return this},finalize:function(i){var j=this._hasher;var l=j.finalize(i);j.reset();var k=j.finalize(this._oKey.clone().concat(l));return k}})}());a.pad.NoPadding={pad:function(){},unpad:function(){}};a.mode.CTR=(function(){var c=a.lib.BlockCipherMode.extend();var b=c.Encryptor=c.extend({processBlock:function(l,k){var d=this._cipher;var h=d.blockSize;var f=this._iv;var e=this._counter;if(f){e=this._counter=f.slice(0);this._iv=undefined}var j=e.slice(0);d.encryptBlock(j,0);e[h-1]=(e[h-1]+1)|0;for(var g=0;g<h;g++){l[k+g]^=j[g]}}});c.Decryptor=b;return c}());return a}));
ee38b6a87692 add licence information for otr.js and dependencies
souliane <souliane@mailoo.org>
parents: 522
diff changeset
38 (function(){function c(){}var l=c.prototype;function h(w,x){var v=w.length;while(v--){if(w[v].listener===x){return v}}return -1}function j(v){return function w(){return this[v].apply(this,arguments)}}l.getListeners=function t(v){var y=this._getEvents();var w;var x;if(typeof v==="object"){w={};for(x in y){if(y.hasOwnProperty(x)&&v.test(x)){w[x]=y[x]}}}else{w=y[v]||(y[v]=[])}return w};l.flattenListeners=function r(x){var v=[];var w;for(w=0;w<x.length;w+=1){v.push(x[w].listener)}return v};l.getListenersAsObject=function e(v){var x=this.getListeners(v);var w;if(x instanceof Array){w={};w[v]=x}return w||x};l.addListener=function f(v,y){var x=this.getListenersAsObject(v);var z=typeof y==="object";var w;for(w in x){if(x.hasOwnProperty(w)&&h(x[w],y)===-1){x[w].push(z?y:{listener:y,once:false})}}return this};l.on=j("addListener");l.addOnceListener=function a(v,w){return this.addListener(v,{listener:w,once:true})};l.once=j("addOnceListener");l.defineEvent=function p(v){this.getListeners(v);return this};l.defineEvents=function q(v){for(var w=0;w<v.length;w+=1){this.defineEvent(v[w])}return this};l.removeListener=function b(v,z){var y=this.getListenersAsObject(v);var w;var x;for(x in y){if(y.hasOwnProperty(x)){w=h(y[x],z);if(w!==-1){y[x].splice(w,1)}}}return this};l.off=j("removeListener");l.addListeners=function m(v,w){return this.manipulateListeners(false,v,w)};l.removeListeners=function s(v,w){return this.manipulateListeners(true,v,w)};l.manipulateListeners=function g(w,x,z){var y;var A;var B=w?this.removeListener:this.addListener;var v=w?this.removeListeners:this.addListeners;if(typeof x==="object"&&!(x instanceof RegExp)){for(y in x){if(x.hasOwnProperty(y)&&(A=x[y])){if(typeof A==="function"){B.call(this,y,A)}else{v.call(this,y,A)}}}}else{y=z.length;while(y--){B.call(this,x,z[y])}}return this};l.removeEvent=function o(v){var y=typeof v;var x=this._getEvents();var w;if(y==="string"){delete x[v]}else{if(y==="object"){for(w in x){if(x.hasOwnProperty(w)&&v.test(w)){delete x[w]}}}else{delete this._events}}return this};l.emitEvent=function u(v,x){var A=this.getListenersAsObject(v);var B;var z;var y;var w;for(y in A){if(A.hasOwnProperty(y)){z=A[y].length;while(z--){B=A[y][z];if(B.once===true){this.removeListener(v,B.listener)}w=B.listener.apply(this,x||[]);if(w===this._getOnceReturnValue()){this.removeListener(v,B.listener)}}}}return this};l.trigger=j("emitEvent");l.emit=function k(v){var w=Array.prototype.slice.call(arguments,1);return this.emitEvent(v,w)};l.setOnceReturnValue=function i(v){this._onceReturnValue=v;return this};l._getOnceReturnValue=function n(){if(this.hasOwnProperty("_onceReturnValue")){return this._onceReturnValue}else{return true}};l._getEvents=function d(){return this._events||(this._events={})};if(typeof define==="function"&&define.amd){define(function(){return c})}else{if(typeof module==="object"&&module.exports){module.exports=c}else{this.EventEmitter=c}}}.call(this));
522
0de69fec24e9 browser and server sides: OTR plugin, first draft
souliane <souliane@mailoo.org>
parents:
diff changeset
39 !function(root,factory){"function"==typeof define&&define.amd?define(["bigint","crypto","eventemitter"],function(BigInt,CryptoJS,EventEmitter){var root={BigInt:BigInt,CryptoJS:CryptoJS,EventEmitter:EventEmitter,OTR:{},DSA:{}};return factory.call(root)}):(root.OTR={},root.DSA={},factory.call(root))}(this,function(){return function(){"use strict";var root=this,CONST={N:"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3DC2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F83655D23DCA3AD961C62F356208552BB9ED529077096966D670C354E4ABC9804F1746C08CA237327FFFFFFFFFFFFFFFF",G:"2",MSGSTATE_PLAINTEXT:0,MSGSTATE_ENCRYPTED:1,MSGSTATE_FINISHED:2,AUTHSTATE_NONE:0,AUTHSTATE_AWAITING_DHKEY:1,AUTHSTATE_AWAITING_REVEALSIG:2,AUTHSTATE_AWAITING_SIG:3,WHITESPACE_TAG:" ",WHITESPACE_TAG_V2:" ",WHITESPACE_TAG_V3:" ",OTR_TAG:"?OTR",OTR_VERSION_1:"\x00",OTR_VERSION_2:"\x00",OTR_VERSION_3:"\x00",SMPSTATE_EXPECT0:0,SMPSTATE_EXPECT1:1,SMPSTATE_EXPECT2:2,SMPSTATE_EXPECT3:3,SMPSTATE_EXPECT4:4,STATUS_SEND_QUERY:0,STATUS_AKE_INIT:1,STATUS_AKE_SUCCESS:2,STATUS_END_OTR:3};"undefined"!=typeof module&&module.exports?module.exports=CONST:root.OTR.CONST=CONST}.call(this),function(){"use strict";var CryptoJS,BigInt,root=this,HLP={};"undefined"!=typeof module&&module.exports?(module.exports=HLP={},CryptoJS=require("../vendor/crypto.js"),BigInt=require("../vendor/bigint.js")):(root.OTR&&(root.OTR.HLP=HLP),root.DSA&&(root.DSA.HLP=HLP),CryptoJS=root.CryptoJS,BigInt=root.BigInt);var DTS={BYTE:1,SHORT:2,INT:4,CTR:8,MAC:20,SIG:40},WRAPPER_BEGIN="?OTR",WRAPPER_END=".",TWO=BigInt.str2bigInt("2",10);HLP.debug=function(msg){this.debug&&"function"!=typeof this.debug&&"undefined"!=typeof console&&console.log(msg)},HLP.extend=function(child,parent){function Ctor(){this.constructor=child}for(var key in parent)Object.hasOwnProperty.call(parent,key)&&(child[key]=parent[key]);Ctor.prototype=parent.prototype,child.prototype=new Ctor,child.__super__=parent.prototype},HLP.compare=function(str1,str2){if(str1.length!==str2.length)return!1;for(var i=0,result=0;i<str1.length;i++)result|=str1[i].charCodeAt(0)^str2[i].charCodeAt(0);return 0===result},HLP.randomExponent=function(){return BigInt.randBigInt(1536)},HLP.smpHash=function(version,fmpi,smpi){var sha256=CryptoJS.algo.SHA256.create();sha256.update(CryptoJS.enc.Latin1.parse(HLP.packBytes(version,DTS.BYTE))),sha256.update(CryptoJS.enc.Latin1.parse(HLP.packMPI(fmpi))),smpi&&sha256.update(CryptoJS.enc.Latin1.parse(HLP.packMPI(smpi)));var hash=sha256.finalize();return HLP.bits2bigInt(hash.toString(CryptoJS.enc.Latin1))},HLP.makeMac=function(aesctr,m){var pass=CryptoJS.enc.Latin1.parse(m),mac=CryptoJS.HmacSHA256(CryptoJS.enc.Latin1.parse(aesctr),pass);return HLP.mask(mac.toString(CryptoJS.enc.Latin1),0,160)},HLP.make1Mac=function(aesctr,m){var pass=CryptoJS.enc.Latin1.parse(m),mac=CryptoJS.HmacSHA1(CryptoJS.enc.Latin1.parse(aesctr),pass);return mac.toString(CryptoJS.enc.Latin1)},HLP.encryptAes=function(msg,c,iv){var opts={mode:CryptoJS.mode.CTR,iv:CryptoJS.enc.Latin1.parse(iv),padding:CryptoJS.pad.NoPadding},aesctr=CryptoJS.AES.encrypt(msg,CryptoJS.enc.Latin1.parse(c),opts),aesctr_decoded=CryptoJS.enc.Base64.parse(aesctr.toString());return CryptoJS.enc.Latin1.stringify(aesctr_decoded)},HLP.decryptAes=function(msg,c,iv){msg=CryptoJS.enc.Latin1.parse(msg);var opts={mode:CryptoJS.mode.CTR,iv:CryptoJS.enc.Latin1.parse(iv),padding:CryptoJS.pad.NoPadding};return CryptoJS.AES.decrypt(CryptoJS.enc.Base64.stringify(msg),CryptoJS.enc.Latin1.parse(c),opts)},HLP.multPowMod=function(a,b,c,d,e){return BigInt.multMod(BigInt.powMod(a,b,e),BigInt.powMod(c,d,e),e)},HLP.ZKP=function(v,c,d,e){return BigInt.equals(c,HLP.smpHash(v,d,e))},HLP.GTOE=function(a,b){return BigInt.equals(a,b)||BigInt.greater(a,b)},HLP.between=function(x,a,b){return BigInt.greater(x,a)&&BigInt.greater(b,x)},HLP.checkGroup=function(g,N_MINUS_2){return HLP.GTOE(g,TWO)&&HLP.GTOE(N_MINUS_2,g)},HLP.h1=function(b,secbytes){var sha1=CryptoJS.algo.SHA1.create();return sha1.update(CryptoJS.enc.Latin1.parse(b)),sha1.update(CryptoJS.enc.Latin1.parse(secbytes)),sha1.finalize().toString(CryptoJS.enc.Latin1)},HLP.h2=function(b,secbytes){var sha256=CryptoJS.algo.SHA256.create();return sha256.update(CryptoJS.enc.Latin1.parse(b)),sha256.update(CryptoJS.enc.Latin1.parse(secbytes)),sha256.finalize().toString(CryptoJS.enc.Latin1)},HLP.mask=function(bytes,start,n){return bytes.substr(start/8,n/8)};var _toString=String.fromCharCode;HLP.packBytes=function(val,bytes){val=val.toString(16);for(var nex,res="";bytes>0;bytes--)nex=val.length?val.substr(-2,2):"0",val=val.substr(0,val.length-2),res=_toString(parseInt(nex,16))+res;return res},HLP.packINT=function(d){return HLP.packBytes(d,DTS.INT)},HLP.packCtr=function(d){return HLP.padCtr(HLP.packBytes(d,DTS.CTR))},HLP.padCtr=function(ctr){return ctr+"\x00\x00\x00\x00\x00\x00\x00\x00"},HLP.unpackCtr=function(d){return d=HLP.toByteArray(d.substring(0,8)),HLP.unpack(d)},HLP.unpack=function(arr){for(var val=0,i=0,len=arr.length;len>i;i++)val=256*val+arr[i];return val},HLP.packData=function(d){return HLP.packINT(d.length)+d},HLP.bits2bigInt=function(bits){return bits=HLP.toByteArray(bits),BigInt.ba2bigInt(bits)},HLP.packMPI=function(mpi){return HLP.packData(BigInt.bigInt2bits(BigInt.trim(mpi,0)))},HLP.packSHORT=function(short){return HLP.packBytes(short,DTS.SHORT)},HLP.unpackSHORT=function(short){return short=HLP.toByteArray(short),HLP.unpack(short)},HLP.packTLV=function(type,value){return HLP.packSHORT(type)+HLP.packSHORT(value.length)+value},HLP.readLen=function(msg){return msg=HLP.toByteArray(msg.substring(0,4)),HLP.unpack(msg)},HLP.readData=function(data){var n=HLP.unpack(data.splice(0,4));return[n,data]},HLP.readMPI=function(data){return data=HLP.toByteArray(data),data=HLP.readData(data),BigInt.ba2bigInt(data[1])},HLP.packMPIs=function(arr){return arr.reduce(function(prv,cur){return prv+HLP.packMPI(cur)},"")},HLP.unpackMPIs=function(num,mpis){for(var i=0,arr=[];num>i;i++)arr.push("MPI");return HLP.splitype(arr,mpis).map(function(m){return HLP.readMPI(m)})},HLP.wrapMsg=function(msg,fs,v3,our_it,their_it){msg=CryptoJS.enc.Base64.stringify(CryptoJS.enc.Latin1.parse(msg)),msg=WRAPPER_BEGIN+":"+msg+WRAPPER_END;var its;if(v3&&(its="|",its+=HLP.readLen(our_it).toString(16),its+="|",its+=HLP.readLen(their_it).toString(16)),!fs)return[null,msg];var n=Math.ceil(msg.length/fs);if(n>65535)return["Too many fragments"];if(1==n)return[null,msg];var k,bi,ei,frag,mf,mfs=[];for(k=1;n>=k;k++)bi=(k-1)*fs,ei=k*fs,frag=msg.slice(bi,ei),mf=WRAPPER_BEGIN,v3&&(mf+=its),mf+=","+k+",",mf+=n+",",mf+=frag+",",mfs.push(mf);return[null,mfs]},HLP.splitype=function splitype(arr,msg){var data=[];return arr.forEach(function(a){var str;switch(a){case"PUBKEY":str=splitype(["SHORT","MPI","MPI","MPI","MPI"],msg).join("");break;case"DATA":case"MPI":str=msg.substring(0,HLP.readLen(msg)+4);break;default:str=msg.substring(0,DTS[a])}data.push(str),msg=msg.substring(str.length)}),data};var _bin2num=function(){for(var i=0,_bin2num={};256>i;++i)_bin2num[String.fromCharCode(i)]=i;for(i=128;256>i;++i)_bin2num[String.fromCharCode(63232+i)]=i;return _bin2num}();HLP.toByteArray=function(data){for(var rv=[],ary=data.split(""),i=-1,iz=ary.length,remain=iz%8;remain--;)++i,rv[i]=_bin2num[ary[i]];for(remain=iz>>3;remain--;)rv.push(_bin2num[ary[++i]],_bin2num[ary[++i]],_bin2num[ary[++i]],_bin2num[ary[++i]],_bin2num[ary[++i]],_bin2num[ary[++i]],_bin2num[ary[++i]],_bin2num[ary[++i]]);return rv}}.call(this),function(){"use strict";function timer(){var start=(new Date).getTime();return function(s){if(DEBUG&&"undefined"!=typeof console){var t=(new Date).getTime();console.log(s+": "+(t-start)),start=t}}}function makeRandom(min,max){var c=BigInt.randBigInt(BigInt.bitSize(max));return HLP.between(c,min,max)?c:makeRandom(min,max)}function isProbPrime(k,n){var i,B=3e4,l=BigInt.bitSize(k),primes=BigInt.primes;for(0===primes.length&&(primes=BigInt.findPrimes(B)),rpprb.length!=k.length&&(rpprb=BigInt.dup(k)),i=0;i<primes.length&&primes[i]<=B;i++)if(0===BigInt.modInt(k,primes[i])&&!BigInt.equalsInt(k,primes[i]))return 0;for(i=0;n>i;i++){for(BigInt.randBigInt_(rpprb,l,0);!BigInt.greater(k,rpprb);)BigInt.randBigInt_(rpprb,l,0);if(!BigInt.millerRabin(k,rpprb))return 0}return 1}function generatePrimes(bit_length){for(var q,p,rem,counter,t=timer(),repeat=bit_lengths[bit_length].repeat,N=bit_lengths[bit_length].N,LM1=BigInt.twoToThe(bit_length-1),bl4=4*bit_length,brk=!1;;)if(q=BigInt.randBigInt(N,1),q[0]|=1,isProbPrime(q,repeat)){for(t("q"),counter=0;bl4>counter;counter++)if(p=BigInt.randBigInt(bit_length,1),p[0]|=1,rem=BigInt.mod(p,q),rem=BigInt.sub(rem,ONE),p=BigInt.sub(p,rem),!BigInt.greater(LM1,p)&&isProbPrime(p,repeat)){t("p"),primes[bit_length]={p:p,q:q},brk=!0;break}if(brk)break}for(var g,h=BigInt.dup(TWO),pm1=BigInt.sub(p,ONE),e=BigInt.multMod(pm1,BigInt.inverseMod(q,p),p);;){g=BigInt.powMod(h,e,p);{if(!BigInt.equals(g,ONE))return primes[bit_length].g=g,void t("g");h=BigInt.add(h,ONE)}}throw new Error("Unreachable!")}function DSA(obj,opts){if(!(this instanceof DSA))return new DSA(obj,opts);if(opts=opts||{},obj){var self=this;return["p","q","g","y","x"].forEach(function(prop){self[prop]=obj[prop]}),void(this.type=obj.type||KEY_TYPE)}var bit_length=parseInt(opts.bit_length?opts.bit_length:1024,10);if(!bit_lengths[bit_length])throw new Error("Unsupported bit length.");primes[bit_length]||generatePrimes(bit_length),this.p=primes[bit_length].p,this.q=primes[bit_length].q,this.g=primes[bit_length].g,this.type=KEY_TYPE,this.x=makeRandom(ZERO,this.q),this.y=BigInt.powMod(this.g,this.x,this.p),opts.nocache&&(primes[bit_length]=null)}function tokenizeStr(str){var start,end;if(start=str.indexOf("("),end=str.lastIndexOf(")"),0>start||0>end)throw new Error("Malformed S-Expression");str=str.substring(start+1,end);var splt=str.search(/\s/),obj={type:str.substring(0,splt),val:[]};if(str=str.substring(splt+1,end),start=str.indexOf("("),0>start)obj.val.push(str);else for(var i,len,ss,es;start>-1;){for(i=start+1,len=str.length,ss=1,es=0;len>i&&ss>es;i++)"("===str[i]&&ss++,")"===str[i]&&es++;obj.val.push(tokenizeStr(str.substring(start,++i))),str=str.substring(++i),start=str.indexOf("(")}return obj}function parseLibotr(obj){if(!obj.type)throw new Error("Parse error.");var o,val;return"privkeys"===obj.type?(o=[],obj.val.forEach(function(i){o.push(parseLibotr(i))}),o):(o={},obj.val.forEach(function(i){val=i.val[0],"string"==typeof val?0===val.indexOf("#")&&(val=val.substring(1,val.lastIndexOf("#")),val=BigInt.str2bigInt(val,16)):val=parseLibotr(i),o[i.type]=val}),o)}var CryptoJS,BigInt,Worker,WWPath,HLP,root=this;"undefined"!=typeof module&&module.exports?(module.exports=DSA,CryptoJS=require("../vendor/crypto.js"),BigInt=require("../vendor/bigint.js"),WWPath=require("path").join(__dirname,"/dsa-webworker.js"),HLP=require("./helpers.js")):(Object.keys(root.DSA).forEach(function(k){DSA[k]=root.DSA[k]}),root.DSA=DSA,CryptoJS=root.CryptoJS,BigInt=root.BigInt,Worker=root.Worker,WWPath="dsa-webworker.js",HLP=DSA.HLP);var ZERO=BigInt.str2bigInt("0",10),ONE=BigInt.str2bigInt("1",10),TWO=BigInt.str2bigInt("2",10),KEY_TYPE="\x00\x00",DEBUG=!1,rpprb=[],bit_lengths={1024:{N:160,repeat:40},2048:{N:224,repeat:56}},primes={};DSA.prototype={constructor:DSA,packPublic:function(){var str=this.type;return str+=HLP.packMPI(this.p),str+=HLP.packMPI(this.q),str+=HLP.packMPI(this.g),str+=HLP.packMPI(this.y)},packPrivate:function(){var str=this.packPublic()+HLP.packMPI(this.x);return str=CryptoJS.enc.Latin1.parse(str),str.toString(CryptoJS.enc.Base64)},generateNonce:function(m){var priv=BigInt.bigInt2bits(BigInt.trim(this.x,0)),rand=BigInt.bigInt2bits(BigInt.randBigInt(256)),sha256=CryptoJS.algo.SHA256.create();sha256.update(CryptoJS.enc.Latin1.parse(priv)),sha256.update(m),sha256.update(CryptoJS.enc.Latin1.parse(rand));var hash=sha256.finalize();return hash=HLP.bits2bigInt(hash.toString(CryptoJS.enc.Latin1)),BigInt.rightShift_(hash,256-BigInt.bitSize(this.q)),HLP.between(hash,ZERO,this.q)?hash:this.generateNonce(m)},sign:function(m){m=CryptoJS.enc.Latin1.parse(m);for(var k,b=BigInt.str2bigInt(m.toString(CryptoJS.enc.Hex),16),r=ZERO,s=ZERO;BigInt.isZero(s)||BigInt.isZero(r);)k=this.generateNonce(m),r=BigInt.mod(BigInt.powMod(this.g,k,this.p),this.q),BigInt.isZero(r)||(s=BigInt.inverseMod(k,this.q),s=BigInt.mult(s,BigInt.add(b,BigInt.mult(this.x,r))),s=BigInt.mod(s,this.q));return[r,s]},fingerprint:function(){var pk=this.packPublic();return this.type===KEY_TYPE&&(pk=pk.substring(2)),pk=CryptoJS.enc.Latin1.parse(pk),CryptoJS.SHA1(pk).toString(CryptoJS.enc.Hex)}},DSA.parsePublic=function(str,priv){var fields=["SHORT","MPI","MPI","MPI","MPI"];priv&&fields.push("MPI"),str=HLP.splitype(fields,str);var obj={type:str[0],p:HLP.readMPI(str[1]),q:HLP.readMPI(str[2]),g:HLP.readMPI(str[3]),y:HLP.readMPI(str[4])};return priv&&(obj.x=HLP.readMPI(str[5])),new DSA(obj)},DSA.parsePrivate=function(str,libotr){return libotr?parseLibotr(tokenizeStr(str))[0]["private-key"].dsa:(str=CryptoJS.enc.Base64.parse(str),str=str.toString(CryptoJS.enc.Latin1),DSA.parsePublic(str,!0))},DSA.verify=function(key,m,r,s){if(!HLP.between(r,ZERO,key.q)||!HLP.between(s,ZERO,key.q))return!1;var hm=CryptoJS.enc.Latin1.parse(m);hm=BigInt.str2bigInt(hm.toString(CryptoJS.enc.Hex),16);var w=BigInt.inverseMod(s,key.q),u1=BigInt.multMod(hm,w,key.q),u2=BigInt.multMod(r,w,key.q);u1=BigInt.powMod(key.g,u1,key.p),u2=BigInt.powMod(key.y,u2,key.p);var v=BigInt.mod(BigInt.multMod(u1,u2,key.p),key.q);return BigInt.equals(v,r)},DSA.createInWebWorker=function(options,cb){var opts={path:WWPath,seed:BigInt.getSeed};options&&"object"==typeof options&&Object.keys(options).forEach(function(k){opts[k]=options[k]}),"undefined"!=typeof module&&module.exports&&(Worker=require("webworker-threads").Worker);var worker=new Worker(opts.path);worker.onmessage=function(e){var data=e.data;switch(data.type){case"debug":if(!DEBUG||"undefined"==typeof console)return;console.log(data.val);break;case"data":worker.terminate(),cb(DSA.parsePrivate(data.val));break;default:throw new Error("Unrecognized type.")}},worker.postMessage({seed:opts.seed(),imports:opts.imports,debug:DEBUG})}}.call(this),function(){"use strict";var CryptoJS,CONST,HLP,root=this,Parse={};"undefined"!=typeof module&&module.exports?(module.exports=Parse,CryptoJS=require("../vendor/crypto.js"),CONST=require("./const.js"),HLP=require("./helpers.js")):(root.OTR.Parse=Parse,CryptoJS=root.CryptoJS,CONST=root.OTR.CONST,HLP=root.OTR.HLP);var tags={};tags[CONST.WHITESPACE_TAG_V2]=CONST.OTR_VERSION_2,tags[CONST.WHITESPACE_TAG_V3]=CONST.OTR_VERSION_3,Parse.parseMsg=function(otr,msg){var ver=[],start=msg.indexOf(CONST.OTR_TAG);if(!~start){if(this.initFragment(otr),ind=msg.indexOf(CONST.WHITESPACE_TAG),~ind){msg=msg.split(""),msg.splice(ind,16);for(var tag,len=msg.length;len>ind;)tag=msg.slice(ind,ind+8).join(""),Object.hasOwnProperty.call(tags,tag)?(msg.splice(ind,8),ver.push(tags[tag])):ind+=8;msg=msg.join("")}return{msg:msg,ver:ver}}var ind=start+CONST.OTR_TAG.length,com=msg[ind];if(","===com||"|"===com)return this.msgFragment(otr,msg.substring(ind+1),"|"===com);if(this.initFragment(otr),~["?","v"].indexOf(com)){"?"===msg[ind]&&(ver.push(CONST.OTR_VERSION_1),ind+=1);var vers={2:CONST.OTR_VERSION_2,3:CONST.OTR_VERSION_3},qs=msg.substring(ind+1),qi=qs.indexOf("?");return qi>=1&&(qs=qs.substring(0,qi).split(""),"v"===msg[ind]&&qs.forEach(function(q){Object.hasOwnProperty.call(vers,q)&&ver.push(vers[q])})),{cls:"query",ver:ver}}if(":"===com){ind+=1;var info=msg.substring(ind,ind+4);if(info.length<4)return{msg:msg};info=CryptoJS.enc.Base64.parse(info).toString(CryptoJS.enc.Latin1);var version=info.substring(0,2),type=info.substring(2);if(!otr["ALLOW_V"+HLP.unpackSHORT(version)])return{msg:msg};ind+=4;var end=msg.substring(ind).indexOf(".");if(!~end)return{msg:msg};msg=CryptoJS.enc.Base64.parse(msg.substring(ind,ind+end)),msg=CryptoJS.enc.Latin1.stringify(msg);var instance_tags;version===CONST.OTR_VERSION_3&&(instance_tags=msg.substring(0,8),msg=msg.substring(8));var cls;return~["","\n","",""].indexOf(type)?cls="ake":""===type&&(cls="data"),{version:version,type:type,msg:msg,cls:cls,instance_tags:instance_tags}}return" Error:"===msg.substring(ind,ind+7)?(otr.ERROR_START_AKE&&otr.sendQueryMsg(),{msg:msg.substring(ind+7),cls:"error"}):{msg:msg}},Parse.initFragment=function(otr){otr.fragment={s:"",j:0,k:0}},Parse.msgFragment=function(otr,msg,v3){if(msg=msg.split(","),v3){var its=msg.shift().split("|"),their_it=HLP.packINT(parseInt(its[0],16)),our_it=HLP.packINT(parseInt(its[1],16));if(otr.checkInstanceTags(their_it+our_it))return}if(!(msg.length<4||isNaN(parseInt(msg[0],10))||isNaN(parseInt(msg[1],10)))){var k=parseInt(msg[0],10),n=parseInt(msg[1],10);return msg=msg[2],k>n||0===n||0===k?void this.initFragment(otr):(1===k?(this.initFragment(otr),otr.fragment={k:1,n:n,s:msg}):n===otr.fragment.n&&k===otr.fragment.k+1?(otr.fragment.s+=msg,otr.fragment.k+=1):this.initFragment(otr),n===k?(msg=otr.fragment.s,this.initFragment(otr),this.parseMsg(otr,msg)):void 0)}}}.call(this),function(){"use strict";function hMac(gx,gy,pk,kid,m){var pass=CryptoJS.enc.Latin1.parse(m),hmac=CryptoJS.algo.HMAC.create(CryptoJS.algo.SHA256,pass);return hmac.update(CryptoJS.enc.Latin1.parse(HLP.packMPI(gx))),hmac.update(CryptoJS.enc.Latin1.parse(HLP.packMPI(gy))),hmac.update(CryptoJS.enc.Latin1.parse(pk)),hmac.update(CryptoJS.enc.Latin1.parse(kid)),hmac.finalize().toString(CryptoJS.enc.Latin1)}function AKE(otr){if(!(this instanceof AKE))return new AKE(otr);this.otr=otr,this.our_dh=otr.our_old_dh,this.our_keyid=otr.our_keyid-1,this.their_y=null,this.their_keyid=null,this.their_priv_pk=null,this.ssid=null,this.transmittedRS=!1,this.r=null;var self=this;["sendMsg"].forEach(function(meth){self[meth]=self[meth].bind(self)})}var CryptoJS,BigInt,CONST,HLP,DSA,root=this;"undefined"!=typeof module&&module.exports?(module.exports=AKE,CryptoJS=require("../vendor/crypto.js"),BigInt=require("../vendor/bigint.js"),CONST=require("./const.js"),HLP=require("./helpers.js"),DSA=require("./dsa.js")):(root.OTR.AKE=AKE,CryptoJS=root.CryptoJS,BigInt=root.BigInt,CONST=root.OTR.CONST,HLP=root.OTR.HLP,DSA=root.DSA);var N=BigInt.str2bigInt(CONST.N,16),N_MINUS_2=BigInt.sub(N,BigInt.str2bigInt("2",10));AKE.prototype={constructor:AKE,createKeys:function(g){var s=BigInt.powMod(g,this.our_dh.privateKey,N),secbytes=HLP.packMPI(s);this.ssid=HLP.mask(HLP.h2("\x00",secbytes),0,64);var tmp=HLP.h2("",secbytes);this.c=HLP.mask(tmp,0,128),this.c_prime=HLP.mask(tmp,128,128),this.m1=HLP.h2("",secbytes),this.m2=HLP.h2("",secbytes),this.m1_prime=HLP.h2("",secbytes),this.m2_prime=HLP.h2("",secbytes)},verifySignMac:function(mac,aesctr,m2,c,their_y,our_dh_pk,m1,ctr){var vmac=HLP.makeMac(aesctr,m2);if(!HLP.compare(mac,vmac))return["MACs do not match."];var x=HLP.decryptAes(aesctr.substring(4),c,ctr);x=HLP.splitype(["PUBKEY","INT","SIG"],x.toString(CryptoJS.enc.Latin1));var m=hMac(their_y,our_dh_pk,x[0],x[1],m1),pub=DSA.parsePublic(x[0]),r=HLP.bits2bigInt(x[2].substring(0,20)),s=HLP.bits2bigInt(x[2].substring(20));return DSA.verify(pub,m,r,s)?[null,HLP.readLen(x[1]),pub]:["Cannot verify signature of m."]},makeM:function(their_y,m1,c,m2){var pk=this.otr.priv.packPublic(),kid=HLP.packINT(this.our_keyid),m=hMac(this.our_dh.publicKey,their_y,pk,kid,m1);m=this.otr.priv.sign(m);var msg=pk+kid;msg+=BigInt.bigInt2bits(m[0],20),msg+=BigInt.bigInt2bits(m[1],20),msg=CryptoJS.enc.Latin1.parse(msg);var aesctr=HLP.packData(HLP.encryptAes(msg,c,HLP.packCtr(0))),mac=HLP.makeMac(aesctr,m2);return aesctr+mac},akeSuccess:function(version){return HLP.debug.call(this.otr,"success"),BigInt.equals(this.their_y,this.our_dh.publicKey)?this.otr.error("equal keys - we have a problem.",!0):(this.otr.our_old_dh=this.our_dh,this.otr.their_priv_pk=this.their_priv_pk,this.their_keyid===this.otr.their_keyid&&BigInt.equals(this.their_y,this.otr.their_y)||this.their_keyid===this.otr.their_keyid-1&&BigInt.equals(this.their_y,this.otr.their_old_y)||(this.otr.their_y=this.their_y,this.otr.their_old_y=null,this.otr.their_keyid=this.their_keyid,this.otr.sessKeys[0]=[new this.otr.DHSession(this.otr.our_dh,this.otr.their_y),null],this.otr.sessKeys[1]=[new this.otr.DHSession(this.otr.our_old_dh,this.otr.their_y),null]),this.otr.ssid=this.ssid,this.otr.transmittedRS=this.transmittedRS,this.otr_version=version,this.otr.authstate=CONST.AUTHSTATE_NONE,this.otr.msgstate=CONST.MSGSTATE_ENCRYPTED,this.r=null,this.myhashed=null,this.dhcommit=null,this.encrypted=null,this.hashed=null,this.otr.trigger("status",[CONST.STATUS_AKE_SUCCESS]),void this.otr.sendStored())},handleAKE:function(msg){var send,vsm,type,version=msg.version;switch(msg.type){case"":if(HLP.debug.call(this.otr,"d-h key message"),msg=HLP.splitype(["DATA","DATA"],msg.msg),this.otr.authstate===CONST.AUTHSTATE_AWAITING_DHKEY){var ourHash=HLP.readMPI(this.myhashed),theirHash=HLP.readMPI(msg[1]);if(BigInt.greater(ourHash,theirHash)){type="",send=this.dhcommit;break}this.our_dh=this.otr.dh(),this.otr.authstate=CONST.AUTHSTATE_NONE,this.r=null,this.myhashed=null}else this.otr.authstate===CONST.AUTHSTATE_AWAITING_SIG&&(this.our_dh=this.otr.dh());this.otr.authstate=CONST.AUTHSTATE_AWAITING_REVEALSIG,this.encrypted=msg[0].substring(4),this.hashed=msg[1].substring(4),type="\n",send=HLP.packMPI(this.our_dh.publicKey);break;case"\n":if(HLP.debug.call(this.otr,"reveal signature message"),msg=HLP.splitype(["MPI"],msg.msg),this.otr.authstate!==CONST.AUTHSTATE_AWAITING_DHKEY){if(this.otr.authstate!==CONST.AUTHSTATE_AWAITING_SIG)return;if(!BigInt.equals(this.their_y,HLP.readMPI(msg[0])))return}if(this.otr.authstate=CONST.AUTHSTATE_AWAITING_SIG,this.their_y=HLP.readMPI(msg[0]),!HLP.checkGroup(this.their_y,N_MINUS_2))return this.otr.error("Illegal g^y.",!0);this.createKeys(this.their_y),type="",send=HLP.packMPI(this.r),send+=this.makeM(this.their_y,this.m1,this.c,this.m2),this.m1=null,this.m2=null,this.c=null;break;case"":if(HLP.debug.call(this.otr,"signature message"),this.otr.authstate!==CONST.AUTHSTATE_AWAITING_REVEALSIG)return;msg=HLP.splitype(["DATA","DATA","MAC"],msg.msg),this.r=HLP.readMPI(msg[0]);var key=CryptoJS.enc.Hex.parse(BigInt.bigInt2str(this.r,16));key=CryptoJS.enc.Latin1.stringify(key);var gxmpi=HLP.decryptAes(this.encrypted,key,HLP.packCtr(0));gxmpi=gxmpi.toString(CryptoJS.enc.Latin1),this.their_y=HLP.readMPI(gxmpi);var hash=CryptoJS.SHA256(CryptoJS.enc.Latin1.parse(gxmpi));return HLP.compare(this.hashed,hash.toString(CryptoJS.enc.Latin1))?HLP.checkGroup(this.their_y,N_MINUS_2)?(this.createKeys(this.their_y),vsm=this.verifySignMac(msg[2],msg[1],this.m2,this.c,this.their_y,this.our_dh.publicKey,this.m1,HLP.packCtr(0)),vsm[0]?this.otr.error(vsm[0],!0):(this.their_keyid=vsm[1],this.their_priv_pk=vsm[2],send=this.makeM(this.their_y,this.m1_prime,this.c_prime,this.m2_prime),this.m1=null,this.m2=null,this.m1_prime=null,this.m2_prime=null,this.c=null,this.c_prime=null,this.sendMsg(version,"",send),void this.akeSuccess(version))):this.otr.error("Illegal g^x.",!0):this.otr.error("Hashed g^x does not match.",!0);case"":if(HLP.debug.call(this.otr,"data message"),this.otr.authstate!==CONST.AUTHSTATE_AWAITING_SIG)return;return msg=HLP.splitype(["DATA","MAC"],msg.msg),vsm=this.verifySignMac(msg[1],msg[0],this.m2_prime,this.c_prime,this.their_y,this.our_dh.publicKey,this.m1_prime,HLP.packCtr(0)),vsm[0]?this.otr.error(vsm[0],!0):(this.their_keyid=vsm[1],this.their_priv_pk=vsm[2],this.m1_prime=null,this.m2_prime=null,this.c_prime=null,this.transmittedRS=!0,void this.akeSuccess(version));default:return}this.sendMsg(version,type,send)},sendMsg:function(version,type,msg){var send=version+type,v3=version===CONST.OTR_VERSION_3;return v3&&(HLP.debug.call(this.otr,"instance tags"),send+=this.otr.our_instance_tag,send+=this.otr.their_instance_tag),send+=msg,send=HLP.wrapMsg(send,this.otr.fragment_size,v3,this.otr.our_instance_tag,this.otr.their_instance_tag),send[0]?this.otr.error(send[0]):void this.otr.io(send[1])},initiateAKE:function(version){HLP.debug.call(this.otr,"d-h commit message"),this.otr.trigger("status",[CONST.STATUS_AKE_INIT]),this.otr.authstate=CONST.AUTHSTATE_AWAITING_DHKEY;var gxmpi=HLP.packMPI(this.our_dh.publicKey);gxmpi=CryptoJS.enc.Latin1.parse(gxmpi),this.r=BigInt.randBigInt(128);var key=CryptoJS.enc.Hex.parse(BigInt.bigInt2str(this.r,16));key=CryptoJS.enc.Latin1.stringify(key),this.myhashed=CryptoJS.SHA256(gxmpi),this.myhashed=HLP.packData(this.myhashed.toString(CryptoJS.enc.Latin1)),this.dhcommit=HLP.packData(HLP.encryptAes(gxmpi,key,HLP.packCtr(0))),this.dhcommit+=this.myhashed,this.sendMsg(version,"",this.dhcommit)}}}.call(this),function(){"use strict";function SM(reqs){return this instanceof SM?(this.version=1,this.our_fp=reqs.our_fp,this.their_fp=reqs.their_fp,this.ssid=reqs.ssid,this.debug=!!reqs.debug,void this.init()):new SM(reqs)}var CryptoJS,BigInt,EventEmitter,CONST,HLP,root=this;"undefined"!=typeof module&&module.exports?(module.exports=SM,CryptoJS=require("../vendor/crypto.js"),BigInt=require("../vendor/bigint.js"),EventEmitter=require("../vendor/eventemitter.js"),CONST=require("./const.js"),HLP=require("./helpers.js")):(root.OTR.SM=SM,CryptoJS=root.CryptoJS,BigInt=root.BigInt,EventEmitter=root.EventEmitter,CONST=root.OTR.CONST,HLP=root.OTR.HLP);var G=BigInt.str2bigInt(CONST.G,10),N=BigInt.str2bigInt(CONST.N,16),N_MINUS_2=BigInt.sub(N,BigInt.str2bigInt("2",10)),Q=BigInt.sub(N,BigInt.str2bigInt("1",10));BigInt.divInt_(Q,2),HLP.extend(SM,EventEmitter),SM.prototype.init=function(){this.smpstate=CONST.SMPSTATE_EXPECT1,this.secret=null},SM.prototype.makeSecret=function(our,secret){var sha256=CryptoJS.algo.SHA256.create();sha256.update(CryptoJS.enc.Latin1.parse(HLP.packBytes(this.version,1))),sha256.update(CryptoJS.enc.Hex.parse(our?this.our_fp:this.their_fp)),sha256.update(CryptoJS.enc.Hex.parse(our?this.their_fp:this.our_fp)),sha256.update(CryptoJS.enc.Latin1.parse(this.ssid)),sha256.update(CryptoJS.enc.Latin1.parse(secret));var hash=sha256.finalize();this.secret=HLP.bits2bigInt(hash.toString(CryptoJS.enc.Latin1))},SM.prototype.makeG2s=function(){this.a2=HLP.randomExponent(),this.a3=HLP.randomExponent(),this.g2a=BigInt.powMod(G,this.a2,N),this.g3a=BigInt.powMod(G,this.a3,N),HLP.checkGroup(this.g2a,N_MINUS_2)&&HLP.checkGroup(this.g3a,N_MINUS_2)||this.makeG2s()},SM.prototype.computeGs=function(g2a,g3a){this.g2=BigInt.powMod(g2a,this.a2,N),this.g3=BigInt.powMod(g3a,this.a3,N)},SM.prototype.computePQ=function(r){this.p=BigInt.powMod(this.g3,r,N),this.q=HLP.multPowMod(G,r,this.g2,this.secret,N)},SM.prototype.computeR=function(){this.r=BigInt.powMod(this.QoQ,this.a3,N)},SM.prototype.computeRab=function(r){return BigInt.powMod(r,this.a3,N)},SM.prototype.computeC=function(v,r){return HLP.smpHash(v,BigInt.powMod(G,r,N))},SM.prototype.computeD=function(r,a,c){return BigInt.subMod(r,BigInt.multMod(a,c,Q),Q)},SM.prototype.handleSM=function(msg){var send,r2,r3,r7,t1,t2,t3,t4,rab,tmp2,cR,d7,ms,trust,expectStates={2:CONST.SMPSTATE_EXPECT1,3:CONST.SMPSTATE_EXPECT2,4:CONST.SMPSTATE_EXPECT3,5:CONST.SMPSTATE_EXPECT4,7:CONST.SMPSTATE_EXPECT1};if(6===msg.type)return this.init(),void this.trigger("abort");if(this.smpstate!==expectStates[msg.type])return this.abort();switch(this.smpstate){case CONST.SMPSTATE_EXPECT1:HLP.debug.call(this,"smp tlv 2");var ind,question;return 7===msg.type&&(ind=msg.msg.indexOf("\x00"),question=msg.msg.substring(0,ind),msg.msg=msg.msg.substring(ind+1)),ms=HLP.readLen(msg.msg.substr(0,4)),6!==ms?this.abort():(msg=HLP.unpackMPIs(6,msg.msg.substring(4)),HLP.checkGroup(msg[0],N_MINUS_2)&&HLP.checkGroup(msg[3],N_MINUS_2)&&HLP.ZKP(1,msg[1],HLP.multPowMod(G,msg[2],msg[0],msg[1],N))&&HLP.ZKP(2,msg[4],HLP.multPowMod(G,msg[5],msg[3],msg[4],N))?(this.g3ao=msg[3],this.makeG2s(),r2=HLP.randomExponent(),r3=HLP.randomExponent(),this.c2=this.computeC(3,r2),this.c3=this.computeC(4,r3),this.d2=this.computeD(r2,this.a2,this.c2),this.d3=this.computeD(r3,this.a3,this.c3),this.computeGs(msg[0],msg[3]),this.smpstate=CONST.SMPSTATE_EXPECT0,question=CryptoJS.enc.Latin1.parse(question).toString(CryptoJS.enc.Utf8),void this.trigger("question",[question])):this.abort());case CONST.SMPSTATE_EXPECT2:if(HLP.debug.call(this,"smp tlv 3"),ms=HLP.readLen(msg.msg.substr(0,4)),11!==ms)return this.abort();if(msg=HLP.unpackMPIs(11,msg.msg.substring(4)),!(HLP.checkGroup(msg[0],N_MINUS_2)&&HLP.checkGroup(msg[3],N_MINUS_2)&&HLP.checkGroup(msg[6],N_MINUS_2)&&HLP.checkGroup(msg[7],N_MINUS_2)))return this.abort();if(!HLP.ZKP(3,msg[1],HLP.multPowMod(G,msg[2],msg[0],msg[1],N)))return this.abort();if(!HLP.ZKP(4,msg[4],HLP.multPowMod(G,msg[5],msg[3],msg[4],N)))return this.abort();if(this.g3ao=msg[3],this.computeGs(msg[0],msg[3]),t1=HLP.multPowMod(this.g3,msg[9],msg[6],msg[8],N),t2=HLP.multPowMod(G,msg[9],this.g2,msg[10],N),t2=BigInt.multMod(t2,BigInt.powMod(msg[7],msg[8],N),N),!HLP.ZKP(5,msg[8],t1,t2))return this.abort();var r4=HLP.randomExponent();this.computePQ(r4);var r5=HLP.randomExponent(),r6=HLP.randomExponent(),tmp=HLP.multPowMod(G,r5,this.g2,r6,N),cP=HLP.smpHash(6,BigInt.powMod(this.g3,r5,N),tmp),d5=this.computeD(r5,r4,cP),d6=this.computeD(r6,this.secret,cP);this.QoQ=BigInt.divMod(this.q,msg[7],N),this.PoP=BigInt.divMod(this.p,msg[6],N),this.computeR(),r7=HLP.randomExponent(),tmp2=BigInt.powMod(this.QoQ,r7,N),cR=HLP.smpHash(7,BigInt.powMod(G,r7,N),tmp2),d7=this.computeD(r7,this.a3,cR),this.smpstate=CONST.SMPSTATE_EXPECT4,send=HLP.packINT(8)+HLP.packMPIs([this.p,this.q,cP,d5,d6,this.r,cR,d7]),send=HLP.packTLV(4,send);break;case CONST.SMPSTATE_EXPECT3:if(HLP.debug.call(this,"smp tlv 4"),ms=HLP.readLen(msg.msg.substr(0,4)),8!==ms)return this.abort();if(msg=HLP.unpackMPIs(8,msg.msg.substring(4)),!HLP.checkGroup(msg[0],N_MINUS_2)||!HLP.checkGroup(msg[1],N_MINUS_2)||!HLP.checkGroup(msg[5],N_MINUS_2))return this.abort();if(t1=HLP.multPowMod(this.g3,msg[3],msg[0],msg[2],N),t2=HLP.multPowMod(G,msg[3],this.g2,msg[4],N),t2=BigInt.multMod(t2,BigInt.powMod(msg[1],msg[2],N),N),!HLP.ZKP(6,msg[2],t1,t2))return this.abort();if(t3=HLP.multPowMod(G,msg[7],this.g3ao,msg[6],N),this.QoQ=BigInt.divMod(msg[1],this.q,N),t4=HLP.multPowMod(this.QoQ,msg[7],msg[5],msg[6],N),!HLP.ZKP(7,msg[6],t3,t4))return this.abort();this.computeR(),r7=HLP.randomExponent(),tmp2=BigInt.powMod(this.QoQ,r7,N),cR=HLP.smpHash(8,BigInt.powMod(G,r7,N),tmp2),d7=this.computeD(r7,this.a3,cR),send=HLP.packINT(3)+HLP.packMPIs([this.r,cR,d7]),send=HLP.packTLV(5,send),rab=this.computeRab(msg[5]),trust=!!BigInt.equals(rab,BigInt.divMod(msg[0],this.p,N)),this.trigger("trust",[trust,"answered"]),this.init();break;case CONST.SMPSTATE_EXPECT4:return HLP.debug.call(this,"smp tlv 5"),ms=HLP.readLen(msg.msg.substr(0,4)),3!==ms?this.abort():(msg=HLP.unpackMPIs(3,msg.msg.substring(4)),HLP.checkGroup(msg[0],N_MINUS_2)?(t3=HLP.multPowMod(G,msg[2],this.g3ao,msg[1],N),t4=HLP.multPowMod(this.QoQ,msg[2],msg[0],msg[1],N),HLP.ZKP(8,msg[1],t3,t4)?(rab=this.computeRab(msg[0]),trust=!!BigInt.equals(rab,this.PoP),this.trigger("trust",[trust,"asked"]),void this.init()):this.abort()):this.abort())}this.sendMsg(send)},SM.prototype.sendMsg=function(send){this.trigger("send",[this.ssid,"\x00"+send])},SM.prototype.rcvSecret=function(secret,question){HLP.debug.call(this,"receive secret");var fn,our=!1;this.smpstate===CONST.SMPSTATE_EXPECT0?fn=this.answer:(fn=this.initiate,our=!0),this.makeSecret(our,secret),fn.call(this,question)},SM.prototype.answer=function(){HLP.debug.call(this,"smp answer");var r4=HLP.randomExponent();this.computePQ(r4);var r5=HLP.randomExponent(),r6=HLP.randomExponent(),tmp=HLP.multPowMod(G,r5,this.g2,r6,N),cP=HLP.smpHash(5,BigInt.powMod(this.g3,r5,N),tmp),d5=this.computeD(r5,r4,cP),d6=this.computeD(r6,this.secret,cP);this.smpstate=CONST.SMPSTATE_EXPECT3;var send=HLP.packINT(11)+HLP.packMPIs([this.g2a,this.c2,this.d2,this.g3a,this.c3,this.d3,this.p,this.q,cP,d5,d6]);this.sendMsg(HLP.packTLV(3,send))
549
cd56f2b0e85b browser_side: disable OTR if the browser is too old to offer crypto.getRandomValues (CSPRNG)
souliane <souliane@mailoo.org>
parents: 526
diff changeset
40 },SM.prototype.initiate=function(question){HLP.debug.call(this,"smp initiate"),this.smpstate!==CONST.SMPSTATE_EXPECT1&&this.abort(),this.makeG2s();var r2=HLP.randomExponent(),r3=HLP.randomExponent();this.c2=this.computeC(1,r2),this.c3=this.computeC(2,r3),this.d2=this.computeD(r2,this.a2,this.c2),this.d3=this.computeD(r3,this.a3,this.c3),this.smpstate=CONST.SMPSTATE_EXPECT2;var send="",type=2;question&&(send+=question,send+="\x00",type=7),send+=HLP.packINT(6)+HLP.packMPIs([this.g2a,this.c2,this.d2,this.g3a,this.c3,this.d3]),this.sendMsg(HLP.packTLV(type,send))},SM.prototype.abort=function(){this.init(),this.sendMsg(HLP.packTLV(6,"")),this.trigger("abort")}}.call(this),function(){"use strict";function OTR(options){if(!(this instanceof OTR))return new OTR(options);if(options=options||{},options.priv&&!(options.priv instanceof DSA))throw new Error("Requires long-lived DSA key.");if(this.priv=options.priv?options.priv:new DSA,this.fragment_size=options.fragment_size||0,this.fragment_size<0)throw new Error("Fragment size must be a positive integer.");if(this.send_interval=options.send_interval||0,this.send_interval<0)throw new Error("Send interval must be a positive integer.");this.outgoing=[],this.our_instance_tag=options.instance_tag||OTR.makeInstanceTag(),this.debug=!!options.debug,this.smw=options.smw,this.init();var self=this;["sendMsg","receiveMsg"].forEach(function(meth){self[meth]=self[meth].bind(self)}),EventEmitter.call(this)}var CryptoJS,BigInt,EventEmitter,Worker,SMWPath,CONST,HLP,Parse,AKE,SM,DSA,root=this;"undefined"!=typeof module&&module.exports?(module.exports=OTR,CryptoJS=require("../vendor/crypto.js"),BigInt=require("../vendor/bigint.js"),EventEmitter=require("../vendor/eventemitter.js"),SMWPath=require("path").join(__dirname,"/sm-webworker.js"),CONST=require("./const.js"),HLP=require("./helpers.js"),Parse=require("./parse.js"),AKE=require("./ake.js"),SM=require("./sm.js"),DSA=require("./dsa.js"),OTR.CONST=CONST):(Object.keys(root.OTR).forEach(function(k){OTR[k]=root.OTR[k]}),root.OTR=OTR,CryptoJS=root.CryptoJS,BigInt=root.BigInt,EventEmitter=root.EventEmitter,Worker=root.Worker,SMWPath="sm-webworker.js",CONST=OTR.CONST,HLP=OTR.HLP,Parse=OTR.Parse,AKE=OTR.AKE,SM=OTR.SM,DSA=root.DSA);var G=BigInt.str2bigInt(CONST.G,10),N=BigInt.str2bigInt(CONST.N,16),MAX_INT=Math.pow(2,53)-1,MAX_UINT=Math.pow(2,31)-1;HLP.extend(OTR,EventEmitter),OTR.prototype.init=function(){this.msgstate=CONST.MSGSTATE_PLAINTEXT,this.authstate=CONST.AUTHSTATE_NONE,this.ALLOW_V2=!0,this.ALLOW_V3=!0,this.REQUIRE_ENCRYPTION=!1,this.SEND_WHITESPACE_TAG=!1,this.WHITESPACE_START_AKE=!1,this.ERROR_START_AKE=!1,Parse.initFragment(this),this.their_y=null,this.their_old_y=null,this.their_keyid=0,this.their_priv_pk=null,this.their_instance_tag="\x00\x00\x00\x00",this.our_dh=this.dh(),this.our_old_dh=this.dh(),this.our_keyid=2,this.sessKeys=[new Array(2),new Array(2)],this.storedMgs=[],this.oldMacKeys=[],this.sm=null,this._akeInit(),this.receivedPlaintext=!1},OTR.prototype._akeInit=function(){this.ake=new AKE(this),this.transmittedRS=!1,this.ssid=null},OTR.prototype._SMW=function(otr,reqs){this.otr=otr;var opts={path:SMWPath,seed:BigInt.getSeed};"object"==typeof otr.smw&&Object.keys(otr.smw).forEach(function(k){opts[k]=otr.smw[k]}),"undefined"!=typeof module&&module.exports&&(Worker=require("webworker-threads").Worker),this.worker=new Worker(opts.path);var self=this;this.worker.onmessage=function(e){var d=e.data;d&&self.trigger(d.method,d.args)},this.worker.postMessage({type:"seed",seed:opts.seed(),imports:opts.imports}),this.worker.postMessage({type:"init",reqs:reqs})},HLP.extend(OTR.prototype._SMW,EventEmitter),["handleSM","rcvSecret","abort"].forEach(function(m){OTR.prototype._SMW.prototype[m]=function(){this.worker.postMessage({type:"method",method:m,args:Array.prototype.slice.call(arguments,0)})}}),OTR.prototype._smInit=function(){var reqs={ssid:this.ssid,our_fp:this.priv.fingerprint(),their_fp:this.their_priv_pk.fingerprint(),debug:this.debug};this.smw?(this.sm&&this.sm.worker.terminate(),this.sm=new this._SMW(this,reqs)):this.sm=new SM(reqs);var self=this;["trust","abort","question"].forEach(function(e){self.sm.on(e,function(){self.trigger("smp",[e].concat(Array.prototype.slice.call(arguments)))})}),this.sm.on("send",function(ssid,send){self.ssid===ssid&&(send=self.prepareMsg(send),self.io(send))})},OTR.prototype.io=function(msg,meta){msg=[].concat(msg).map(function(m){return{msg:m,meta:meta}}),this.outgoing=this.outgoing.concat(msg);var self=this;!function send(first){if(!first){if(!self.outgoing.length)return;var elem=self.outgoing.shift();self.trigger("io",[elem.msg,elem.meta])}setTimeout(send,first?0:self.send_interval)}(!0)},OTR.prototype.dh=function(){var keys={privateKey:BigInt.randBigInt(320)};return keys.publicKey=BigInt.powMod(G,keys.privateKey,N),keys},OTR.prototype.DHSession=function DHSession(our_dh,their_y){if(!(this instanceof DHSession))return new DHSession(our_dh,their_y);var s=BigInt.powMod(their_y,our_dh.privateKey,N),secbytes=HLP.packMPI(s);this.id=HLP.mask(HLP.h2("\x00",secbytes),0,64);var sq=BigInt.greater(our_dh.publicKey,their_y),sendbyte=sq?"":"",rcvbyte=sq?"":"";this.sendenc=HLP.mask(HLP.h1(sendbyte,secbytes),0,128),this.sendmac=CryptoJS.SHA1(CryptoJS.enc.Latin1.parse(this.sendenc)),this.sendmac=this.sendmac.toString(CryptoJS.enc.Latin1),this.rcvenc=HLP.mask(HLP.h1(rcvbyte,secbytes),0,128),this.rcvmac=CryptoJS.SHA1(CryptoJS.enc.Latin1.parse(this.rcvenc)),this.rcvmac=this.rcvmac.toString(CryptoJS.enc.Latin1),this.rcvmacused=!1,this.extra_symkey=HLP.h2("ÿ",secbytes),this.send_counter=0,this.rcv_counter=0},OTR.prototype.rotateOurKeys=function(){var self=this;this.sessKeys[1].forEach(function(sk){sk&&sk.rcvmacused&&self.oldMacKeys.push(sk.rcvmac)}),this.our_old_dh=this.our_dh,this.our_dh=this.dh(),this.our_keyid+=1,this.sessKeys[1][0]=this.sessKeys[0][0],this.sessKeys[1][1]=this.sessKeys[0][1],this.sessKeys[0]=[this.their_y?new this.DHSession(this.our_dh,this.their_y):null,this.their_old_y?new this.DHSession(this.our_dh,this.their_old_y):null]},OTR.prototype.rotateTheirKeys=function(their_y){this.their_keyid+=1;var self=this;this.sessKeys.forEach(function(sk){sk[1]&&sk[1].rcvmacused&&self.oldMacKeys.push(sk[1].rcvmac)}),this.their_old_y=this.their_y,this.sessKeys[0][1]=this.sessKeys[0][0],this.sessKeys[1][1]=this.sessKeys[1][0],this.their_y=their_y,this.sessKeys[0][0]=new this.DHSession(this.our_dh,this.their_y),this.sessKeys[1][0]=new this.DHSession(this.our_old_dh,this.their_y)},OTR.prototype.prepareMsg=function(msg,esk){if(this.msgstate!==CONST.MSGSTATE_ENCRYPTED||0===this.their_keyid)return this.error("Not ready to encrypt.");var sessKeys=this.sessKeys[1][0];if(sessKeys.send_counter>=MAX_INT)return this.error("Should have rekeyed by now.");sessKeys.send_counter+=1;var ctr=HLP.packCtr(sessKeys.send_counter),send=this.ake.otr_version+"",v3=this.ake.otr_version===CONST.OTR_VERSION_3;if(v3&&(send+=this.our_instance_tag,send+=this.their_instance_tag),send+="\x00",send+=HLP.packINT(this.our_keyid-1),send+=HLP.packINT(this.their_keyid),send+=HLP.packMPI(this.our_dh.publicKey),send+=ctr.substring(0,8),Math.ceil(msg.length/8)>=MAX_UINT)return this.error("Message is too long.");var aes=HLP.encryptAes(CryptoJS.enc.Latin1.parse(msg),sessKeys.sendenc,ctr);return send+=HLP.packData(aes),send+=HLP.make1Mac(send,sessKeys.sendmac),send+=HLP.packData(this.oldMacKeys.splice(0).join("")),send=HLP.wrapMsg(send,this.fragment_size,v3,this.our_instance_tag,this.their_instance_tag),send[0]?this.error(send[0]):(esk&&this.trigger("file",["send",sessKeys.extra_symkey,esk]),send[1])},OTR.prototype.handleDataMsg=function(msg){var vt=msg.version+msg.type;this.ake.otr_version===CONST.OTR_VERSION_3&&(vt+=msg.instance_tags);var types=["BYTE","INT","INT","MPI","CTR","DATA","MAC","DATA"];msg=HLP.splitype(types,msg.msg);var ign=""===msg[0];if(this.msgstate!==CONST.MSGSTATE_ENCRYPTED||8!==msg.length)return void(ign||this.error("Received an unreadable encrypted message.",!0));var our_keyid=this.our_keyid-HLP.readLen(msg[2]),their_keyid=this.their_keyid-HLP.readLen(msg[1]);if(0>our_keyid||our_keyid>1)return void(ign||this.error("Not of our latest keys.",!0));if(0>their_keyid||their_keyid>1)return void(ign||this.error("Not of your latest keys.",!0));var their_y=their_keyid?this.their_old_y:this.their_y;if(1===their_keyid&&!their_y)return void(ign||this.error("Do not have that key."));var sessKeys=this.sessKeys[our_keyid][their_keyid],ctr=HLP.unpackCtr(msg[4]);if(ctr<=sessKeys.rcv_counter)return void(ign||this.error("Counter in message is not larger."));sessKeys.rcv_counter=ctr,vt+=msg.slice(0,6).join("");var vmac=HLP.make1Mac(vt,sessKeys.rcvmac);if(!HLP.compare(msg[6],vmac))return void(ign||this.error("MACs do not match."));sessKeys.rcvmacused=!0;var out=HLP.decryptAes(msg[5].substring(4),sessKeys.rcvenc,HLP.padCtr(msg[4]));out=out.toString(CryptoJS.enc.Latin1),our_keyid||this.rotateOurKeys(),their_keyid||this.rotateTheirKeys(HLP.readMPI(msg[3]));var ind=out.indexOf("\x00");return~ind&&(this.handleTLVs(out.substring(ind+1),sessKeys),out=out.substring(0,ind)),out=CryptoJS.enc.Latin1.parse(out),out.toString(CryptoJS.enc.Utf8)},OTR.prototype.handleTLVs=function(tlvs,sessKeys){for(var type,len,msg;tlvs.length&&(type=HLP.unpackSHORT(tlvs.substr(0,2)),len=HLP.unpackSHORT(tlvs.substr(2,2)),msg=tlvs.substr(4,len),!(msg.length<len));){switch(type){case 1:this.msgstate=CONST.MSGSTATE_FINISHED,this.trigger("status",[CONST.STATUS_END_OTR]);break;case 2:case 3:case 4:case 5:case 6:case 7:if(this.msgstate!==CONST.MSGSTATE_ENCRYPTED)return void(this.sm&&this.sm.abort());this.sm||this._smInit(),this.sm.handleSM({msg:msg,type:type});break;case 8:msg=msg.substring(4),msg=CryptoJS.enc.Latin1.parse(msg),msg=msg.toString(CryptoJS.enc.Utf8),this.trigger("file",["receive",sessKeys.extra_symkey,msg])}tlvs=tlvs.substring(4+len)}},OTR.prototype.smpSecret=function(secret,question){return this.msgstate!==CONST.MSGSTATE_ENCRYPTED?this.error("Must be encrypted for SMP."):"string"!=typeof secret||secret.length<1?this.error("Secret is required."):(this.sm||this._smInit(),secret=CryptoJS.enc.Utf8.parse(secret).toString(CryptoJS.enc.Latin1),question=CryptoJS.enc.Utf8.parse(question).toString(CryptoJS.enc.Latin1),void this.sm.rcvSecret(secret,question))},OTR.prototype.sendQueryMsg=function(){var versions={},msg=CONST.OTR_TAG;this.ALLOW_V2&&(versions[2]=!0),this.ALLOW_V3&&(versions[3]=!0);var vs=Object.keys(versions);vs.length&&(msg+="v",vs.forEach(function(v){"1"!==v&&(msg+=v)}),msg+="?"),this.io(msg),this.trigger("status",[CONST.STATUS_SEND_QUERY])},OTR.prototype.sendMsg=function(msg,meta){switch((this.REQUIRE_ENCRYPTION||this.msgstate!==CONST.MSGSTATE_PLAINTEXT)&&(msg=CryptoJS.enc.Utf8.parse(msg),msg=msg.toString(CryptoJS.enc.Latin1)),this.msgstate){case CONST.MSGSTATE_PLAINTEXT:if(this.REQUIRE_ENCRYPTION)return this.storedMgs.push({msg:msg,meta:meta}),void this.sendQueryMsg();this.SEND_WHITESPACE_TAG&&!this.receivedPlaintext&&(msg+=CONST.WHITESPACE_TAG,this.ALLOW_V3&&(msg+=CONST.WHITESPACE_TAG_V3),this.ALLOW_V2&&(msg+=CONST.WHITESPACE_TAG_V2));break;case CONST.MSGSTATE_FINISHED:return this.storedMgs.push({msg:msg,meta:meta}),void this.error("Message cannot be sent at this time.");case CONST.MSGSTATE_ENCRYPTED:msg=this.prepareMsg(msg);break;default:throw new Error("Unknown message state.")}msg&&this.io(msg,meta)},OTR.prototype.receiveMsg=function(msg){if(msg=Parse.parseMsg(this,msg)){switch(msg.cls){case"error":return void this.error(msg.msg);case"ake":if(msg.version===CONST.OTR_VERSION_3&&this.checkInstanceTags(msg.instance_tags))return;return void this.ake.handleAKE(msg);case"data":if(msg.version===CONST.OTR_VERSION_3&&this.checkInstanceTags(msg.instance_tags))return;msg.msg=this.handleDataMsg(msg),msg.encrypted=!0;break;case"query":this.msgstate===CONST.MSGSTATE_ENCRYPTED&&this._akeInit(),this.doAKE(msg);break;default:(this.REQUIRE_ENCRYPTION||this.msgstate!==CONST.MSGSTATE_PLAINTEXT)&&this.error("Received an unencrypted message."),this.receivedPlaintext=!0,this.WHITESPACE_START_AKE&&msg.ver.length>0&&this.doAKE(msg)}msg.msg&&this.trigger("ui",[msg.msg,!!msg.encrypted])}},OTR.prototype.checkInstanceTags=function(it){var their_it=HLP.readLen(it.substr(0,4)),our_it=HLP.readLen(it.substr(4,4));if(our_it&&our_it!==HLP.readLen(this.our_instance_tag))return!0;if(HLP.readLen(this.their_instance_tag)){if(HLP.readLen(this.their_instance_tag)!==their_it)return!0}else{if(100>their_it)return!0;this.their_instance_tag=HLP.packINT(their_it)}},OTR.prototype.doAKE=function(msg){this.ALLOW_V3&&~msg.ver.indexOf(CONST.OTR_VERSION_3)?this.ake.initiateAKE(CONST.OTR_VERSION_3):this.ALLOW_V2&&~msg.ver.indexOf(CONST.OTR_VERSION_2)?this.ake.initiateAKE(CONST.OTR_VERSION_2):this.error("OTR conversation requested, but no compatible protocol version found.")},OTR.prototype.error=function(err,send){return send?(this.debug||(err="An OTR error has occurred."),err="?OTR Error:"+err,void this.io(err)):void this.trigger("error",[err])},OTR.prototype.sendStored=function(){var self=this;this.storedMgs.splice(0).forEach(function(elem){var msg=self.prepareMsg(elem.msg);self.io(msg,elem.meta)})},OTR.prototype.sendFile=function(filename){if(this.msgstate!==CONST.MSGSTATE_ENCRYPTED)return this.error("Not ready to encrypt.");if(this.ake.otr_version!==CONST.OTR_VERSION_3)return this.error("Protocol v3 required.");if(!filename)return this.error("Please specify a filename.");var l1name=CryptoJS.enc.Utf8.parse(filename);if(l1name=l1name.toString(CryptoJS.enc.Latin1),l1name.length>=65532)return this.error("filename is too long.");var msg="\x00";msg+="\x00\b",msg+=HLP.packSHORT(4+l1name.length),msg+="\x00\x00\x00",msg+=l1name,msg=this.prepareMsg(msg,filename),this.io(msg)},OTR.prototype.endOtr=function(){this.msgstate===CONST.MSGSTATE_ENCRYPTED&&(this.sendMsg("\x00\x00\x00\x00"),this.sm&&(this.smw&&this.sm.worker.terminate(),this.sm=null)),this.msgstate=CONST.MSGSTATE_PLAINTEXT,this.receivedPlaintext=!1,this.trigger("status",[CONST.STATUS_END_OTR])},OTR.makeInstanceTag=function(){var num=BigInt.randBigInt(32);return BigInt.greater(BigInt.str2bigInt("100",16),num)?OTR.makeInstanceTag():HLP.packINT(parseInt(BigInt.bigInt2str(num,10),10))}}.call(this),{OTR:this.OTR,DSA:this.DSA}});
cd56f2b0e85b browser_side: disable OTR if the browser is too old to offer crypto.getRandomValues (CSPRNG)
souliane <souliane@mailoo.org>
parents: 526
diff changeset
41
cd56f2b0e85b browser_side: disable OTR if the browser is too old to offer crypto.getRandomValues (CSPRNG)
souliane <souliane@mailoo.org>
parents: 526
diff changeset
42 };