diff --git a/qevents.js.download b/qevents.js.download
new file mode 100644
index 0000000000..f3d0e497cb
--- /dev/null
+++ b/qevents.js.download
@@ -0,0 +1,63 @@
+!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.qevents=e():t.qevents=e()}(this,function(){return function(t){function e(r){if(n[r])return n[r].exports;var i=n[r]={i:r,l:!1,exports:{}};return t[r].call(i.exports,i,i.exports,e),i.l=!0,i.exports}var n={};return e.m=t,e.c=n,e.d=function(t,n,r){e.o(t,n)||Object.defineProperty(t,n,{configurable:!1,enumerable:!0,get:r})},e.n=function(t){var n=t&&t.__esModule?function(){return t["default"]}:function(){return t};return e.d(n,"a",n),n},e.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},e.p="",e(e.s="./shared/qevents/main.js")}({"./shared/Class.js":function(t,e){function n(t,e){function n(){if(i||(t.call(c),r(h,e,a),i=!0,e=null),this!==c){var n=this.__init__;n&&n.apply(this,arguments)}}var i,a=s.prototype=t.prototype,h=new s;return n.prototype=h,n.extend=o,h.constructor=n,n}function r(t,e,n){for(var r in e)e.hasOwnProperty(r)&&(t[r]=n?i(r,e,n):e[r])}function i(t,e,n){var r=e[t],i=n[t];return"function"==typeof r&&"function"==typeof i&&r!==i&&a.test(r)?function(){var e=this._super;this._super=n[t];try{return r.apply(this,arguments)}finally{this._super=e}}:r}function o(t){return n(this,t)}var a=/xyz/.test(function(){xyz})?/\b_super\b/:/.*/,s=function(){},c={};e.Class=o.call(function(){},{})},"./shared/email_normalizer.js":function(t,e){e.normalizeEmail=function(t){var e=/@(.*mail\.facebook\.com|quora\.com)/,n=/\+.*?@/,r="@gmail.com".length;return t=t.toLowerCase(),-1!=t.indexOf("+")&&-1==t.search(e)&&(t=t.replace(n,"@")),t.endsWith("@gmail.com")&&(t=t.slice(0,-r).replace(/\./g,"")+"@gmail.com"),t}},"./shared/hash_email.js":function(t,e,n){var r=n("./third_party/sjcl.js");e.validateEmail=function(t){return/^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/.test(t)},e.validateSHA256=function(t){return/^[a-z0-9]{64}$/i.test(t)},e.sha256HexDigest=function(t){var e=r.hash.sha256.hash(t);return r.codec.hex.fromBits(e)}},"./shared/polyfills/array.js":function(t,e){var n=function(t,e,n){"function"==typeof Object.defineProperty?Object.defineProperty(t,e,{configurable:!0,value:n,writable:!0,enumerable:!1}):t[e]=n};if(!Array.prototype.every){var r=function(t,e){"use strict";var n,r;if(null===this)throw new TypeError("this is null or not defined");var i=Object(this),o=i.length>>>0;if("function"!=typeof t)throw new TypeError;for(arguments.length>1&&(n=e),r=0;r<o;){var a;if(r in i){a=i[r];if(!t.call(n,a,r,i))return!1}r++}return!0};n(Array.prototype,"every",r)}if(!Array.prototype.some){var i=function(t){"use strict";if(null===this)throw new TypeError("Array.prototype.some called on null or undefined");if("function"!=typeof t)throw new TypeError;for(var e=Object(this),n=e.length>>>0,r=arguments.length>=2?arguments[1]:void 0,i=0;i<n;i++)if(i in e&&t.call(r,e[i],i,e))return!0;return!1};n(Array.prototype,"some",i)}if(!Array.prototype.indexOf){var o=function(t,e){var n;if(null===this)throw new TypeError('"this" is null or not defined');var r=Object(this),i=r.length>>>0;if(0===i)return-1;var o=+e||0;if(Math.abs(o)===Infinity&&(o=0),o>=i)return-1;for(n=Math.max(o>=0?o:i-Math.abs(o),0);n<i;){if(n in r&&r[n]===t)return n;n++}return-1};n(Array.prototype,"indexOf",o)}if(!Array.prototype.forEach){var a=function(t,e){var n,r;if(null===this)throw new TypeError(" this is null or not defined");var i=Object(this),o=i.length>>>0;if("function"!=typeof t)throw new TypeError(t+" is not a function");for(arguments.length>1&&(n=e),r=0;r<o;){var a;r in i&&(a=i[r],t.call(n,a,r,i)),r++}};n(Array.prototype,"forEach",a)}if(!Array.prototype.map){var s=function(t,e){var n,r,i;if(null===this)throw new TypeError(" this is null or not defined");var o=Object(this),a=o.length>>>0;if("function"!=typeof t)throw new TypeError(t+" is not a function");for(arguments.length>1&&(n=e),r=new Array(a),i=0;i<a;){var s,c;i in o&&(s=o[i],c=t.call(n,s,i,o),r[i]=c),i++}return r};n(Array.prototype,"map",s)}if(!Array.prototype.filter){var c=function(t){"use strict";if(void 0===this||null===this)throw new TypeError;var e=Object(this),n=e.length>>>0;if("function"!=typeof t)throw new TypeError;for(var r=[],i=arguments.length>=2?arguments[1]:void 0,o=0;o<n;o++)if(o in e){var a=e[o];t.call(i,a,o,e)&&r.push(a)}return r};n(Array.prototype,"filter",c)}if(!Array.prototype.reduce){var h=function(t){"use strict";if(null===this)throw new TypeError("Array.prototype.reduce called on null or undefined");if("function"!=typeof t)throw new TypeError(t+" is not a function");var e,n=Object(this),r=n.length>>>0,i=0;if(2==arguments.length)e=arguments[1];else{for(;i<r&&!(i in n);)i++;if(i>=r)throw new TypeError("Reduce of empty array with no initial value");e=n[i++]}for(;i<r;i++)i in n&&(e=t(e,n[i],i,n));return e};n(Array.prototype,"reduce",h)}if(!Array.prototype.lastIndexOf){var u=function(t){"use strict";if(void 0===this||null===this)throw new TypeError;var e,n,r=Object(this),i=r.length>>>0;if(0===i)return-1;for(e=i-1,arguments.length>1&&(e=Number(arguments[1]),e!=e?e=0:0!==e&&e!=1/0&&e!=-1/0&&(e=(e>0||-1)*Math.floor(Math.abs(e)))),n=e>=0?Math.min(e,i-1):i-Math.abs(e);n>=0;n--)if(n in r&&r[n]===t)return n;return-1};n(Array.prototype,"lastIndexOf",u)}if(!Array.prototype.includes){var l=function(t){"use strict";if(null==this)throw new TypeError("Array.prototype.includes called on null or undefined");var e=Object(this),n=parseInt(e.length,10)||0;if(0===n)return!1;var r,i=parseInt(arguments[1],10)||0;i>=0?r=i:(r=n+i)<0&&(r=0);for(var o;r<n;){if(o=e[r],t===o||t!==t&&o!==o)return!0;r++}return!1};n(Array.prototype,"includes",l)}},"./shared/polyfills/date.js":function(t,e){Date.now||(Date.now=function(){return(new Date).getTime()})},"./shared/polyfills/function.js":function(t,e){Function.prototype.bind||(Function.prototype.bind=function(t){if("function"!=typeof this)throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");var e=Array.prototype.slice.call(arguments,1),n=this,r=function(){},i=function(){return n.apply(this instanceof r?this:t,e.concat(Array.prototype.slice.call(arguments)))};return this.prototype&&(r.prototype=this.prototype),i.prototype=new r,i})},"./shared/polyfills/object.js":function(t,e){Object.keys||(Object.keys=function(){"use strict";var t=Object.prototype.hasOwnProperty,e=!{toString:null}.propertyIsEnumerable("toString"),n=["toString","toLocaleString","valueOf","hasOwnProperty","isPrototypeOf","propertyIsEnumerable","constructor"],r=n.length;return function(i){if("object"!=typeof i&&("function"!=typeof i||null===i))throw new TypeError("Object.keys called on non-object");var o,a,s=[];for(o in i)t.call(i,o)&&s.push(o);if(e)for(a=0;a<r;a++)t.call(i,n[a])&&s.push(n[a]);return s}}()),"function"!=typeof Object.assign&&Object.defineProperty(Object,"assign",{value:function(t,e){"use strict";if(null===t||t===undefined)throw new TypeError("Cannot convert undefined or null to object");for(var n=Object(t),r=1;r<arguments.length;r++){var i=arguments[r];if(null!==i&&i!==undefined)for(var o in i)Object.prototype.hasOwnProperty.call(i,o)&&(n[o]=i[o])}return n},writable:!0,configurable:!0}),Object.entries||(Object.entries=function(t){for(var e=Object.keys(t),n=e.length,r=new Array(n);n--;)r[n]=[e[n],t[e[n]]];return r})},"./shared/polyfills/string.js":function(t,e){String.prototype.endsWith||(String.prototype.endsWith=function(t,e){var n=this.toString();("number"!=typeof e||!isFinite(e)||Math.floor(e)!==e||e>n.length)&&(e=n.length),e-=t.length;var r=n.indexOf(t,e);return-1!==r&&r===e}),String.prototype.startsWith||(String.prototype.startsWith=function(t,e){return e=e||0,this.substr(e,t.length)===t}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),String.prototype.includes||(String.prototype.includes=function(t,e){"use strict";return"number"!=typeof e&&(e=0),!(e+t.length>this.length)&&-1!==this.indexOf(t,e)})},"./shared/qevents/main.js":function(t,e,n){n("./shared/polyfills/string.js"),n("./shared/polyfills/array.js"),n("./shared/polyfills/function.js"),n("./shared/polyfills/object.js"),n("./shared/polyfills/date.js"),n("./shared/qevents/pixel.js").init(),n("./shared/qevents/queue.js").flush()},"./shared/qevents/pixel.js":function(t,e,n){function r(){try{var t=o("ia_share_url");if(null!==t)return t}catch(t){}try{return ia_document!==undefined&&ia_document.shareURL}catch(t){return}}function i(t){var e,n=[];for(var r in t)e=t[r],a(r)&&s(e)&&n.push(r+"="+encodeURIComponent(e));return n.join("&")}function o(t){var e=null,n=[];return window.location.search.substr(1).split("&").forEach(function(r){n=r.split("="),n[0]===t&&(e=decodeURIComponent(n[1]))}),e}function a(t){return"string"==typeof t}function s(t){return"string"==typeof t||!isNaN(Number(t))}function c(){function t(t,e){var n=window.history[t];window.history[t]=function(){var t=n.apply(this,arguments);return e.apply(this,arguments),t}}window.history.pushState&&window.history.replaceState&&(t("pushState",h),t("replaceState",h),window.addEventListener("popstate",h,!1))}function h(){!0!==window.qp.disablePushState&&e.quoraPixelHelper("track","ViewContent")}var u,l=n("./shared/Class.js").Class,f=n("./shared/email_normalizer.js"),d=n("./shared/hash_email.js"),p=n("./shared/qevents/timer.js").PixelTimer,y=l.extend({__init__:function(t,e){if("string"!=typeof t)throw new Error("Quora Pixel Error: The second argument passed to qp is invalid.");this.uuid=t,this.email=this._getEmailFromPassback(e),this.eventSource=this._getEventSourceFromPassback(e),this.lastViewContentUrl=""},track:function(t,n){if("string"!=typeof t)throw new Error("Quora Pixel Error: The second argument passed to qp is invalid.");var r,i,o=this._getIsFBIAUrl(),a=this._getValueFromPassback(n),s=this._getEventIdFromPassback(n),c=this._getUrl();this._shouldTrack(t,c)&&(r=this._getMetadata(t,c,o,a,undefined,undefined,s),i=this._getPixelUrl(r),e.firePixel(i))},trackDwellTime:function(t,n){if("number"!=typeof t)throw new Error("Quora Pixel Error: Invalid dwell time.");var r,i,o=this._getUrl();r=this._getMetadata("DwellTime",o,undefined,undefined,t,n,undefined),i=this._getPixelUrl(r),e.firePixel(i)},_shouldTrack:function(t,e){return("ViewContent"!=t||e!=this.lastViewContentUrl)&&("DwellTime"!=t&&("ViewContent"==t&&(this.lastViewContentUrl=e),!0))},_getMetadata:function(t,e,n,r,i,o,a){var s={j:1,u:e,tag:t,ts:(new Date).getTime()};return n&&(s.fbia=1),r!==undefined&&(s.v=r),this.email!==undefined&&(s.em=this.email),this.eventSource!==undefined&&(s.i=this.eventSource),"DwellTime"===t&&i!==undefined&&(s.dwt=i),o!==undefined&&(s.ive=o),a!==undefined&&(s.evid=a),s},_getValueFromPassback:function(t){var e;if(t!==undefined&&null!==t&&t.value!==undefined&&"number"!=typeof(e=t.value)&&"string"!=typeof e)throw new Error("Quora Pixel Error: The third argument passed to qp is invalid.");return e},_getEventIdFromPassback:function(t){var e;return t!==undefined&&null!==t&&t.event_id!==undefined&&(e=t.event_id),e},_getEmailFromPassback:function(t){var e;if(t!==undefined&&null!==t)if(t.email!==undefined){if("string"!=typeof(e=f.normalizeEmail(t.email))||!d.validateEmail(e))throw new Error("Quora Pixel Error: The third argument passed to qp is invalid.");e=d.sha256HexDigest(e)}else if(t.hashed_email!==undefined&&("string"!=typeof(e=t.hashed_email)||!d.validateSHA256(e)))throw new Error("Quora Pixel Error: The third argument passed to qp is invalid.");return e},_getEventSourceFromPassback:function(t){var e;if(t!==undefined&&null!==t&&t.event_source!==undefined&&"string"!=typeof(e=t.event_source))throw new Error("Quora Pixel Error: The event source argument passed to qp is invalid.");return e},_getUrl:function(){var t=r();return t||(t=window.location.href),t},_getIsFBIAUrl:function(){return Boolean(r())},_getPixelUrl:function(t){return this._getBasePixelUrl()+this.uuid+"/pixel?"+i(t)},_getBasePixelUrl:function(){return"https://q.quora.com/_/ad/"}}),m=l.extend({__init__:function(){this.uuidToPixel={}},installPixel:function(t,e){if(this.uuidToPixel[t]===undefined){var n=new y(t,e);this.uuidToPixel[t]=n}},track:function(t,e){var n=Object.keys(this.uuidToPixel);if(!n.length)throw new Error("Quora Pixel Error: Base pixel code is not installed properly.");for(var r=0;r<n.length;r++){var i=n[r];this.uuidToPixel[i].track(t,e)}},trackDwellTime:function(t,e){var n=Object.keys(this.uuidToPixel);if(!n.length)throw new Error("Quora Pixel Error: Base pixel code is not installed properly.");for(var r=0;r<n.length;r++){var i=n[r];this.uuidToPixel[i].trackDwellTime(t,e)}}});e.quoraPixelHelper=function(t,e,n){if("string"!=typeof arguments[0])throw new Error("Quora Pixel Error: The first argument passed to qp is invalid.");"init"==t?u.installPixel(e,n):"track"==t&&u.track(e,n)},e.firePixel=function(t){(new Image).src=t},e.init=function(){if(!window.qp)throw new Error("Quora Pixel Error: Base pixel code is not installed properly.");null==window.qp.qp&&(window.qp.qp=e.quoraPixelHelper,c(),u=new m,this.pixelTimer=new p(function(t,e){u.trackDwellTime(t,e)}))},e.initializeStates=function(){u=new m}},"./shared/qevents/queue.js":function(t,e){e.flush=function(){var t,e=window.qp;for(e.queue||(e.queue=[]);e.queue.length;)t=e.queue.shift(),e.apply(e,t)}},"./shared/qevents/timer.js":function(t,e,n){function r(){a===undefined&&(a=new Date)}function i(t,e){if(a!==undefined){var n=new Date,r=n-a;r>0&&t(r,e),a=undefined}}function o(){"undefined"!=typeof document.msHidden?(s="msHidden",c="msvisibilitychange"):"undefined"!=typeof document.webkitHidden?(s="webkitHidden",c="webkitvisibilitychange"):"undefined"!=typeof document.mozHidden?(s="mozHidden",c="mozvisibilitychange"):(s="hidden",c="visibilitychange")}var a,s,c,h=n("./shared/Class.js").Class;e.PixelTimer=h.extend({__init__:function(t){o(),document.addEventListener(c,function(){"visible"===document[s]||!1===document[s]?r():"hidden"!==document[s]&&!0!==document[s]||i(t,s)}),window.addEventListener("pageshow",function(t){r()}),window.addEventListener("pagehide",function(e){i(t,"pagehide")}),window.addEventListener("blur",function(){i(t,"blur")}),window.addEventListener("focus",function(){r()})}})},"./third_party/sjcl.js":function(t,e){/*!
+
+SJCL is open. You can use, modify and redistribute it under a BSD
+license or under the GNU GPL, version 2.0.
+
+---------------------------------------------------------------------
+
+http://opensource.org/licenses/BSD-2-Clause
+
+Copyright (c) 2009-2015, Emily Stark, Mike Hamburg and Dan Boneh at
+Stanford University. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+1. Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+---------------------------------------------------------------------
+
+http://opensource.org/licenses/GPL-2.0
+
+The Stanford Javascript Crypto Library (hosted here on GitHub) is a
+project by the Stanford Computer Security Lab to build a secure,
+powerful, fast, small, easy-to-use, cross-browser library for
+cryptography in Javascript.
+
+Copyright (c) 2009-2015, Emily Stark, Mike Hamburg and Dan Boneh at
+Stanford University.
+
+This program is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2 of the License, or (at your
+option) any later version.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+*/
+"use strict";function n(t,e,n){if(4!==e.length)throw new h.exception.invalid("invalid aes block size");var r=t.b[n],i=e[0]^r[0],o=e[n?3:1]^r[1],a=e[2]^r[2];e=e[n?1:3]^r[3];var s,c,u,l,f=r.length/4-2,d=4,p=[0,0,0,0];s=t.s[n],t=s[0];var y=s[1],m=s[2],g=s[3],v=s[4];for(l=0;l<f;l++)s=t[i>>>24]^y[o>>16&255]^m[a>>8&255]^g[255&e]^r[d],c=t[o>>>24]^y[a>>16&255]^m[e>>8&255]^g[255&i]^r[d+1],u=t[a>>>24]^y[e>>16&255]^m[i>>8&255]^g[255&o]^r[d+2],e=t[e>>>24]^y[i>>16&255]^m[o>>8&255]^g[255&a]^r[d+3],d+=4,i=s,o=c,a=u;for(l=0;4>l;l++)p[n?3&-l:l]=v[i>>>24]<<24^v[o>>16&255]<<16^v[a>>8&255]<<8^v[255&e]^r[d++],s=i,i=o,o=a,a=e,e=s;return p}function r(t,e){var n,r,i,o=t.F,a=t.b,s=o[0],c=o[1],h=o[2],u=o[3],l=o[4],f=o[5],d=o[6],p=o[7];for(n=0;64>n;n++)16>n?r=e[n]:(r=e[n+1&15],i=e[n+14&15],r=e[15&n]=(r>>>7^r>>>18^r>>>3^r<<25^r<<14)+(i>>>17^i>>>19^i>>>10^i<<15^i<<13)+e[15&n]+e[n+9&15]|0),r=r+p+(l>>>6^l>>>11^l>>>25^l<<26^l<<21^l<<7)+(d^l&(f^d))+a[n],p=d,d=f,f=l,l=u+r|0,u=h,h=c,c=s,s=r+(c&h^u&(c^h))+(c>>>2^c>>>13^c>>>22^c<<30^c<<19^c<<10)|0;o[0]=o[0]+s|0,o[1]=o[1]+c|0,o[2]=o[2]+h|0,o[3]=o[3]+u|0,o[4]=o[4]+l|0,o[5]=o[5]+f|0,o[6]=o[6]+d|0,o[7]=o[7]+p|0}function i(t,e){var n,r=h.random.K[t],i=[];for(n in r)r.hasOwnProperty(n)&&i.push(r[n]);for(n=0;n<i.length;n++)i[n](e)}function o(t,e){"undefined"!=typeof window&&window.performance&&"function"==typeof window.performance.now?t.addEntropy(window.performance.now(),e,"loadtime"):t.addEntropy((new Date).valueOf(),e,"loadtime")}function a(t){t.b=s(t).concat(s(t)),t.L=new h.cipher.aes(t.b)}function s(t){for(var e=0;4>e&&(t.h[e]=t.h[e]+1|0,!t.h[e]);e++);return t.L.encrypt(t.h)}function c(t,e){return function(){e.apply(t,arguments)}}var h={cipher:{},hash:{},keyexchange:{},mode:{},misc:{},codec:{},exception:{corrupt:function(t){this.toString=function(){return"CORRUPT: "+this.message},this.message=t},invalid:function(t){this.toString=function(){return"INVALID: "+this.message},this.message=t},bug:function(t){this.toString=function(){return"BUG: "+this.message},this.message=t},notReady:function(t){this.toString=function(){return"NOT READY: "+this.message},this.message=t}}};h.cipher.aes=function(t){this.s[0][0][0]||this.O();var e,n,r,i,o=this.s[0][4],a=this.s[1];e=t.length;var s=1;if(4!==e&&6!==e&&8!==e)throw new h.exception.invalid("invalid aes key size");for(this.b=[r=t.slice(0),i=[]],t=e;t<4*e+28;t++)n=r[t-1],(0==t%e||8===e&&4==t%e)&&(n=o[n>>>24]<<24^o[n>>16&255]<<16^o[n>>8&255]<<8^o[255&n],0==t%e&&(n=n<<8^n>>>24^s<<24,s=s<<1^283*(s>>7))),r[t]=r[t-e]^n;for(e=0;t;e++,t--)n=r[3&e?t:t-4],i[e]=4>=t||4>e?n:a[0][o[n>>>24]]^a[1][o[n>>16&255]]^a[2][o[n>>8&255]]^a[3][o[255&n]]},h.cipher.aes.prototype={encrypt:function(t){return n(this,t,0)},decrypt:function(t){return n(this,t,1)},s:[[[],[],[],[],[]],[[],[],[],[],[]]],O:function(){var t,e,n,r,i,o,a,s=this.s[0],c=this.s[1],h=s[4],u=c[4],l=[],f=[];for(t=0;256>t;t++)f[(l[t]=t<<1^283*(t>>7))^t]=t;for(e=n=0;!h[e];e^=r||1,n=f[n]||1)for(o=n^n<<1^n<<2^n<<3^n<<4,o=o>>8^255&o^99,h[e]=o,u[o]=e,i=l[t=l[r=l[e]]],a=16843009*i^65537*t^257*r^16843008*e,i=257*l[o]^16843008*o,t=0;4>t;t++)s[t][e]=i=i<<24^i>>>8,c[t][o]=a=a<<24^a>>>8;for(t=0;5>t;t++)s[t]=s[t].slice(0),c[t]=c[t].slice(0)}},h.bitArray={bitSlice:function(t,e,n){return t=h.bitArray.$(t.slice(e/32),32-(31&e)).slice(1),void 0===n?t:h.bitArray.clamp(t,n-e)},extract:function(t,e,n){var r=Math.floor(-e-n&31);return(-32&(e+n-1^e)?t[e/32|0]<<32-r^t[e/32+1|0]>>>r:t[e/32|0]>>>r)&(1<<n)-1},concat:function(t,e){if(0===t.length||0===e.length)return t.concat(e);var n=t[t.length-1],r=h.bitArray.getPartial(n);return 32===r?t.concat(e):h.bitArray.$(e,r,0|n,t.slice(0,t.length-1))},bitLength:function(t){var e=t.length;return 0===e?0:32*(e-1)+h.bitArray.getPartial(t[e-1])},clamp:function(t,e){if(32*t.length<e)return t;t=t.slice(0,Math.ceil(e/32));var n=t.length;return e&=31,0<n&&e&&(t[n-1]=h.bitArray.partial(e,t[n-1]&2147483648>>e-1,1)),t},partial:function(t,e,n){return 32===t?e:(n?0|e:e<<32-t)+1099511627776*t},getPartial:function(t){return Math.round(t/1099511627776)||32},equal:function(t,e){if(h.bitArray.bitLength(t)!==h.bitArray.bitLength(e))return!1;var n,r=0;for(n=0;n<t.length;n++)r|=t[n]^e[n];return 0===r},$:function(t,e,n,r){var i;for(i=0,void 0===r&&(r=[]);32<=e;e-=32)r.push(n),n=0;if(0===e)return r.concat(t);for(i=0;i<t.length;i++)r.push(n|t[i]>>>e),n=t[i]<<32-e;return i=t.length?t[t.length-1]:0,t=h.bitArray.getPartial(i),r.push(h.bitArray.partial(e+t&31,32<e+t?n:r.pop(),1)),r},i:function(t,e){return[t[0]^e[0],t[1]^e[1],t[2]^e[2],t[3]^e[3]]},byteswapM:function(t){var e,n;for(e=0;e<t.length;++e)n=t[e],t[e]=n>>>24|n>>>8&65280|(65280&n)<<8|n<<24;return t}},h.codec.utf8String={fromBits:function(t){var e,n,r="",i=h.bitArray.bitLength(t);for(e=0;e<i/8;e++)0==(3&e)&&(n=t[e/4]),r+=String.fromCharCode(n>>>8>>>8>>>8),n<<=8;return decodeURIComponent(escape(r))},toBits:function(t){t=unescape(encodeURIComponent(t));var e,n=[],r=0;for(e=0;e<t.length;e++)r=r<<8|t.charCodeAt(e),3==(3&e)&&(n.push(r),r=0);return 3&e&&n.push(h.bitArray.partial(8*(3&e),r)),n}},h.codec.hex={fromBits:function(t){var e,n="";for(e=0;e<t.length;e++)n+=(0xf00000000000+(0|t[e])).toString(16).substr(4);return n.substr(0,h.bitArray.bitLength(t)/4)},toBits:function(t){var e,n,r=[];for(t=t.replace(/\s|0x/g,""),n=t.length,t+="00000000",e=0;e<t.length;e+=8)r.push(0^parseInt(t.substr(e,8),16));return h.bitArray.clamp(r,4*n)}},h.codec.base32={B:"ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",X:"0123456789ABCDEFGHIJKLMNOPQRSTUV",BITS:32,BASE:5,REMAINING:27,fromBits:function(t,e,n){var r=h.codec.base32.BASE,i=h.codec.base32.REMAINING,o="",a=0,s=h.codec.base32.B,c=0,u=h.bitArray.bitLength(t);for(n&&(s=h.codec.base32.X),n=0;o.length*r<u;)o+=s.charAt((c^t[n]>>>a)>>>i),a<r?(c=t[n]<<r-a,a+=i,n++):(c<<=r,a-=r);for(;7&o.length&&!e;)o+="=";return o},toBits:function(t,e){t=t.replace(/\s|=/g,"").toUpperCase();var n,r,i=h.codec.base32.BITS,o=h.codec.base32.BASE,a=h.codec.base32.REMAINING,s=[],c=0,u=h.codec.base32.B,l=0,f="base32";for(e&&(u=h.codec.base32.X,f="base32hex"),n=0;n<t.length;n++){if(0>(r=u.indexOf(t.charAt(n)))){if(!e)try{return h.codec.base32hex.toBits(t)}catch(t){}throw new h.exception.invalid("this isn't "+f+"!")}c>a?(c-=a,s.push(l^r>>>c),l=r<<i-c):(c+=o,l^=r<<i-c)}return 56&c&&s.push(h.bitArray.partial(56&c,l,1)),s}},h.codec.base32hex={fromBits:function(t,e){return h.codec.base32.fromBits(t,e,1)},toBits:function(t){return h.codec.base32.toBits(t,1)}},h.codec.base64={B:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",fromBits:function(t,e,n){var r="",i=0,o=h.codec.base64.B,a=0,s=h.bitArray.bitLength(t);for(n&&(o=o.substr(0,62)+"-_"),n=0;6*r.length<s;)r+=o.charAt((a^t[n]>>>i)>>>26),6>i?(a=t[n]<<6-i,i+=26,n++):(a<<=6,i-=6);for(;3&r.length&&!e;)r+="=";return r},toBits:function(t,e){t=t.replace(/\s|=/g,"");var n,r,i=[],o=0,a=h.codec.base64.B,s=0;for(e&&(a=a.substr(0,62)+"-_"),n=0;n<t.length;n++){if(0>(r=a.indexOf(t.charAt(n))))throw new h.exception.invalid("this isn't base64!");26<o?(o-=26,i.push(s^r>>>o),s=r<<32-o):(o+=6,s^=r<<32-o)}return 56&o&&i.push(h.bitArray.partial(56&o,s,1)),i}},h.codec.base64url={fromBits:function(t){return h.codec.base64.fromBits(t,1,1)},toBits:function(t){return h.codec.base64.toBits(t,1)}},h.hash.sha256=function(t){this.b[0]||this.O(),t?(this.F=t.F.slice(0),this.A=t.A.slice(0),this.l=t.l):this.reset()},h.hash.sha256.hash=function(t){return(new h.hash.sha256).update(t).finalize()},h.hash.sha256.prototype={blockSize:512,reset:function(){return this.F=this.Y.slice(0),this.A=[],this.l=0,this},update:function(t){"string"==typeof t&&(t=h.codec.utf8String.toBits(t));var e,n=this.A=h.bitArray.concat(this.A,t);if(e=this.l,9007199254740991<(t=this.l=e+h.bitArray.bitLength(t)))throw new h.exception.invalid("Cannot hash more than 2^53 - 1 bits");if("undefined"!=typeof Uint32Array){var i=new Uint32Array(n),o=0;for(e=512+e-(512+e&511);e<=t;e+=512)r(this,i.subarray(16*o,16*(o+1))),o+=1;n.splice(0,16*o)}else for(e=512+e-(512+e&511);e<=t;e+=512)r(this,n.splice(0,16));return this},finalize:function(){var t,e=this.A,n=this.F,e=h.bitArray.concat(e,[h.bitArray.partial(1,1)]);for(t=e.length+2;15&t;t++)e.push(0);for(e.push(Math.floor(this.l/4294967296)),e.push(0|this.l);e.length;)r(this,e.splice(0,16));return this.reset(),n},Y:[],b:[],O:function(){function t(t){return 4294967296*(t-Math.floor(t))|0}for(var e,n,r=0,i=2;64>r;i++){for(n=!0,e=2;e*e<=i;e++)if(0==i%e){n=!1;break}n&&(8>r&&(this.Y[r]=t(Math.pow(i,.5))),this.b[r]=t(Math.pow(i,1/3)),r++)}}},h.mode.ccm={name:"ccm",G:[],listenProgress:function(t){h.mode.ccm.G.push(t)},unListenProgress:function(t){-1<(t=h.mode.ccm.G.indexOf(t))&&h.mode.ccm.G.splice(t,1)},fa:function(t){var e,n=h.mode.ccm.G.slice();for(e=0;e<n.length;e+=1)n[e](t)},encrypt:function(t,e,n,r,i){var o,a=e.slice(0),s=h.bitArray,c=s.bitLength(n)/8,u=s.bitLength(a)/8;if(i=i||64,r=r||[],7>c)throw new h.exception.invalid("ccm: iv must be at least 7 bytes");for(o=2;4>o&&u>>>8*o;o++);return o<15-c&&(o=15-c),n=s.clamp(n,8*(15-o)),e=h.mode.ccm.V(t,e,n,r,i,o),a=h.mode.ccm.C(t,a,n,e,i,o),s.concat(a.data,a.tag)},decrypt:function(t,e,n,r,i){i=i||64,r=r||[];var o=h.bitArray,a=o.bitLength(n)/8,s=o.bitLength(e),c=o.clamp(e,s-i),u=o.bitSlice(e,s-i),s=(s-i)/8;if(7>a)throw new h.exception.invalid("ccm: iv must be at least 7 bytes");for(e=2;4>e&&s>>>8*e;e++);if(e<15-a&&(e=15-a),n=o.clamp(n,8*(15-e)),c=h.mode.ccm.C(t,c,n,u,i,e),t=h.mode.ccm.V(t,c.data,n,r,i,e),!o.equal(c.tag,t))throw new h.exception.corrupt("ccm: tag doesn't match");return c.data},na:function(t,e,n,r,i,o){var a=[],s=h.bitArray,c=s.i;if(r=[s.partial(8,(e.length?64:0)|r-2<<2|o-1)],r=s.concat(r,n),r[3]|=i,r=t.encrypt(r),e.length)for(n=s.bitLength(e)/8,65279>=n?a=[s.partial(16,n)]:4294967295>=n&&(a=s.concat([s.partial(16,65534)],[n])),a=s.concat(a,e),e=0;e<a.length;e+=4)r=t.encrypt(c(r,a.slice(e,e+4).concat([0,0,0])));return r},V:function(t,e,n,r,i,o){var a=h.bitArray,s=a.i;if((i/=8)%2||4>i||16<i)throw new h.exception.invalid("ccm: invalid tag length");if(4294967295<r.length||4294967295<e.length)throw new h.exception.bug("ccm: can't deal with 4GiB or more data");for(n=h.mode.ccm.na(t,r,n,i,a.bitLength(e)/8,o),r=0;r<e.length;r+=4)n=t.encrypt(s(n,e.slice(r,r+4).concat([0,0,0])));return a.clamp(n,8*i)},C:function(t,e,n,r,i,o){var a,s=h.bitArray;a=s.i;var c=e.length,u=s.bitLength(e),l=c/50,f=l;if(n=s.concat([s.partial(8,o-1)],n).concat([0,0,0]).slice(0,4),r=s.bitSlice(a(r,t.encrypt(n)),0,i),!c)return{tag:r,data:[]};for(a=0;a<c;a+=4)a>l&&(h.mode.ccm.fa(a/c),l+=f),n[3]++,i=t.encrypt(n),e[a]^=i[0],e[a+1]^=i[1],e[a+2]^=i[2],e[a+3]^=i[3];return{tag:r,data:s.clamp(e,u)}}},h.mode.ocb2={name:"ocb2",encrypt:function(t,e,n,r,i,o){if(128!==h.bitArray.bitLength(n))throw new h.exception.invalid("ocb iv must be 128 bits");var a,s=h.mode.ocb2.S,c=h.bitArray,u=c.i,l=[0,0,0,0];n=s(t.encrypt(n));var f,d=[];for(r=r||[],i=i||64,a=0;a+4<e.length;a+=4)f=e.slice(a,a+4),l=u(l,f),d=d.concat(u(n,t.encrypt(u(n,f)))),n=s(n);return f=e.slice(a),e=c.bitLength(f),a=t.encrypt(u(n,[0,0,0,e])),f=c.clamp(u(f.concat([0,0,0]),a),e),l=u(l,u(f.concat([0,0,0]),a)),l=t.encrypt(u(l,u(n,s(n)))),r.length&&(l=u(l,o?r:h.mode.ocb2.pmac(t,r))),d.concat(c.concat(f,c.clamp(l,i)))},decrypt:function(t,e,n,r,i,o){if(128!==h.bitArray.bitLength(n))throw new h.exception.invalid("ocb iv must be 128 bits");i=i||64;var a,s,c=h.mode.ocb2.S,u=h.bitArray,l=u.i,f=[0,0,0,0],d=c(t.encrypt(n)),p=h.bitArray.bitLength(e)-i,y=[];for(r=r||[],n=0;n+4<p/32;n+=4)a=l(d,t.decrypt(l(d,e.slice(n,n+4)))),f=l(f,a),y=y.concat(a),d=c(d);if(s=p-32*n,a=t.encrypt(l(d,[0,0,0,s])),a=l(a,u.clamp(e.slice(n),s).concat([0,0,0])),f=l(f,a),f=t.encrypt(l(f,l(d,c(d)))),r.length&&(f=l(f,o?r:h.mode.ocb2.pmac(t,r))),!u.equal(u.clamp(f,i),u.bitSlice(e,p)))throw new h.exception.corrupt("ocb: tag doesn't match");return y.concat(u.clamp(a,s))},pmac:function(t,e){var n,r=h.mode.ocb2.S,i=h.bitArray,o=i.i,a=[0,0,0,0],s=t.encrypt([0,0,0,0]),s=o(s,r(r(s)));for(n=0;n+4<e.length;n+=4)s=r(s),a=o(a,t.encrypt(o(s,e.slice(n,n+4))));return n=e.slice(n),128>i.bitLength(n)&&(s=o(s,r(s)),n=i.concat(n,[-2147483648,0,0,0])),a=o(a,n),t.encrypt(o(r(o(s,r(s))),a))},S:function(t){return[t[0]<<1^t[1]>>>31,t[1]<<1^t[2]>>>31,t[2]<<1^t[3]>>>31,t[3]<<1^135*(t[0]>>>31)]}},h.mode.gcm={name:"gcm",encrypt:function(t,e,n,r,i){var o=e.slice(0);return e=h.bitArray,r=r||[],t=h.mode.gcm.C(!0,t,o,r,n,i||128),e.concat(t.data,t.tag)},decrypt:function(t,e,n,r,i){var o=e.slice(0),a=h.bitArray,s=a.bitLength(o);if(i=i||128,r=r||[],i<=s?(e=a.bitSlice(o,s-i),o=a.bitSlice(o,0,s-i)):(e=o,o=[]),t=h.mode.gcm.C(!1,t,o,r,n,i),!a.equal(t.tag,e))throw new h.exception.corrupt("gcm: tag doesn't match");return t.data},ka:function(t,e){var n,r,i,o,a,s=h.bitArray.i;for(i=[0,0,0,0],o=e.slice(0),n=0;128>n;n++){for((r=0!=(t[Math.floor(n/32)]&1<<31-n%32))&&(i=s(i,o)),a=0!=(1&o[3]),r=3;0<r;r--)o[r]=o[r]>>>1|(1&o[r-1])<<31;o[0]>>>=1,a&&(o[0]^=-520093696)}return i},j:function(t,e,n){var r,i=n.length;for(e=e.slice(0),r=0;r<i;r+=4)e[0]^=4294967295&n[r],e[1]^=4294967295&n[r+1],e[2]^=4294967295&n[r+2],e[3]^=4294967295&n[r+3],e=h.mode.gcm.ka(e,t);return e},C:function(t,e,n,r,i,o){var a,s,c,u,l,f,d,p,y=h.bitArray;for(f=n.length,d=y.bitLength(n),p=y.bitLength(r),s=y.bitLength(i),a=e.encrypt([0,0,0,0]),96===s?(i=i.slice(0),i=y.concat(i,[1])):(i=h.mode.gcm.j(a,[0,0,0,0],i),i=h.mode.gcm.j(a,i,[0,0,Math.floor(s/4294967296),4294967295&s])),s=h.mode.gcm.j(a,[0,0,0,0],r),l=i.slice(0),r=s.slice(0),t||(r=h.mode.gcm.j(a,s,n)),u=0;u<f;u+=4)l[3]++,c=e.encrypt(l),n[u]^=c[0],n[u+1]^=c[1],n[u+2]^=c[2],n[u+3]^=c[3];return n=y.clamp(n,d),t&&(r=h.mode.gcm.j(a,s,n)),t=[Math.floor(p/4294967296),4294967295&p,Math.floor(d/4294967296),4294967295&d],r=h.mode.gcm.j(a,r,t),c=e.encrypt(i),r[0]^=c[0],r[1]^=c[1],r[2]^=c[2],r[3]^=c[3],{tag:y.bitSlice(r,0,o),data:n}}},h.misc.hmac=function(t,e){this.W=e=e||h.hash.sha256;var n,r=[[],[]],i=e.prototype.blockSize/32;for(this.w=[new e,new e],t.length>i&&(t=e.hash(t)),n=0;n<i;n++)r[0][n]=909522486^t[n],r[1][n]=1549556828^t[n];this.w[0].update(r[0]),this.w[1].update(r[1]),this.R=new e(this.w[0])},h.misc.hmac.prototype.encrypt=h.misc.hmac.prototype.mac=function(t){if(this.aa)throw new h.exception.invalid("encrypt on already updated hmac called!");return this.update(t),this.digest(t)},h.misc.hmac.prototype.reset=function(){this.R=new this.W(this.w[0]),this.aa=!1},h.misc.hmac.prototype.update=function(t){this.aa=!0,this.R.update(t)},h.misc.hmac.prototype.digest=function(){var t=this.R.finalize(),t=new this.W(this.w[1]).update(t).finalize();return this.reset(),t},h.misc.pbkdf2=function(t,e,n,r,i){if(n=n||1e4,0>r||0>n)throw new h.exception.invalid("invalid params to pbkdf2");"string"==typeof t&&(t=h.codec.utf8String.toBits(t)),"string"==typeof e&&(e=h.codec.utf8String.toBits(e)),i=i||h.misc.hmac,t=new i(t);var o,a,s,c,u=[],l=h.bitArray;for(c=1;32*u.length<(r||1);c++){for(i=o=t.encrypt(l.concat(e,[c])),a=1;a<n;a++)for(o=t.encrypt(o),s=0;s<o.length;s++)i[s]^=o[s];u=u.concat(i)}return r&&(u=l.clamp(u,r)),u},h.prng=function(t){this.c=[new h.hash.sha256],this.m=[0],this.P=0,this.H={},this.N=0,this.U={},this.Z=this.f=this.o=this.ha=0,this.b=[0,0,0,0,0,0,0,0],this.h=[0,0,0,0],this.L=void 0,this.M=t,this.D=!1,this.K={progress:{},seeded:{}},this.u=this.ga=0,this.I=1,this.J=2,this.ca=65536,this.T=[0,48,64,96,128,192,256,384,512,768,1024],this.da=3e4,this.ba=80},h.prng.prototype={randomWords:function(t,e){var n,r=[];n=this.isReady(e);var i;if(n===this.u)throw new h.exception.notReady("generator isn't seeded");if(n&this.J){n=!(n&this.I),i=[];var o,c=0;for(this.Z=i[0]=(new Date).valueOf()+this.da,o=0;16>o;o++)i.push(4294967296*Math.random()|0);for(o=0;o<this.c.length&&(i=i.concat(this.c[o].finalize()),c+=this.m[o],this.m[o]=0,n||!(this.P&1<<o));o++);for(this.P>=1<<this.c.length&&(this.c.push(new h.hash.sha256),this.m.push(0)),this.f-=c,c>this.o&&(this.o=c),this.P++,this.b=h.hash.sha256.hash(this.b.concat(i)),this.L=new h.cipher.aes(this.b),n=0;4>n&&(this.h[n]=this.h[n]+1|0,!this.h[n]);n++);}for(n=0;n<t;n+=4)0==(n+1)%this.ca&&a(this),i=s(this),r.push(i[0],i[1],i[2],i[3]);return a(this),r.slice(0,t)},setDefaultParanoia:function(t,e){if(0===t&&"Setting paranoia=0 will ruin your security; use it only for testing"!==e)throw new h.exception.invalid("Setting paranoia=0 will ruin your security; use it only for testing");this.M=t},addEntropy:function(t,e,n){n=n||"user";var r,o,a=(new Date).valueOf(),s=this.H[n],c=this.isReady(),u=0;switch(r=this.U[n],void 0===r&&(r=this.U[n]=this.ha++),void 0===s&&(s=this.H[n]=0),this.H[n]=(this.H[n]+1)%this.c.length,typeof t){case"number":void 0===e&&(e=1),this.c[s].update([r,this.N++,1,e,a,1,0|t]);break;case"object":if("[object Uint32Array]"===(n=Object.prototype.toString.call(t))){for(o=[],n=0;n<t.length;n++)o.push(t[n]);t=o}else for("[object Array]"!==n&&(u=1),n=0;n<t.length&&!u;n++)"number"!=typeof t[n]&&(u=1);if(!u){if(void 0===e)for(n=e=0;n<t.length;n++)for(o=t[n];0<o;)e++,o>>>=1;this.c[s].update([r,this.N++,2,e,a,t.length].concat(t))}break;case"string":void 0===e&&(e=t.length),this.c[s].update([r,this.N++,3,e,a,t.length]),this.c[s].update(t);break;default:u=1}if(u)throw new h.exception.bug("random: addEntropy only supports number, array of numbers or string");this.m[s]+=e,this.f+=e,c===this.u&&(this.isReady()!==this.u&&i("seeded",Math.max(this.o,this.f)),i("progress",this.getProgress()))},isReady:function(t){return t=this.T[void 0!==t?t:this.M],this.o&&this.o>=t?this.m[0]>this.ba&&(new Date).valueOf()>this.Z?this.J|this.I:this.I:this.f>=t?this.J|this.u:this.u},getProgress:function(t){return t=this.T[t||this.M],this.o>=t?1:this.f>t?1:this.f/t},startCollectors:function(){if(!this.D){if(this.a={loadTimeCollector:c(this,this.ma),mouseCollector:c(this,this.oa),keyboardCollector:c(this,this.la),accelerometerCollector:c(this,this.ea),touchCollector:c(this,this.qa)},window.addEventListener)window.addEventListener("load",this.a.loadTimeCollector,!1),window.addEventListener("mousemove",this.a.mouseCollector,!1),window.addEventListener("keypress",this.a.keyboardCollector,!1),window.addEventListener("devicemotion",this.a.accelerometerCollector,!1),window.addEventListener("touchmove",this.a.touchCollector,!1);else{if(!document.attachEvent)throw new h.exception.bug("can't attach event");document.attachEvent("onload",this.a.loadTimeCollector),document.attachEvent("onmousemove",this.a.mouseCollector),document.attachEvent("keypress",this.a.keyboardCollector)}this.D=!0}},stopCollectors:function(){this.D&&(window.removeEventListener?(window.removeEventListener("load",this.a.loadTimeCollector,!1),window.removeEventListener("mousemove",this.a.mouseCollector,!1),window.removeEventListener("keypress",this.a.keyboardCollector,!1),window.removeEventListener("devicemotion",this.a.accelerometerCollector,!1),window.removeEventListener("touchmove",this.a.touchCollector,!1)):document.detachEvent&&(document.detachEvent("onload",this.a.loadTimeCollector),document.detachEvent("onmousemove",this.a.mouseCollector),document.detachEvent("keypress",this.a.keyboardCollector)),this.D=!1)},addEventListener:function(t,e){this.K[t][this.ga++]=e},removeEventListener:function(t,e){var n,r,i=this.K[t],o=[];for(r in i)i.hasOwnProperty(r)&&i[r]===e&&o.push(r);for(n=0;n<o.length;n++)r=o[n],delete i[r]},la:function(){o(this,1)},oa:function(t){var e,n;try{e=t.x||t.clientX||t.offsetX||0,n=t.y||t.clientY||t.offsetY||0}catch(t){n=e=0}0!=e&&0!=n&&this.addEntropy([e,n],2,"mouse"),o(this,0)},qa:function(t){t=t.touches[0]||t.changedTouches[0],this.addEntropy([t.pageX||t.clientX,t.pageY||t.clientY],1,"touch"),o(this,0)},ma:function(){o(this,2)},ea:function(t){if(t=t.accelerationIncludingGravity.x||t.accelerationIncludingGravity.y||t.accelerationIncludingGravity.z,window.orientation){var e=window.orientation;"number"==typeof e&&this.addEntropy(e,1,"accelerometer")}t&&this.addEntropy(t,2,"accelerometer"),o(this,0)}},h.random=new h.prng(6);t:try{var u,l,f,d;if(d=void 0!==t&&t.exports){var p;try{p=require("crypto")}catch(t){p=null}d=l=p}if(d&&l.randomBytes)u=l.randomBytes(128),u=new Uint32Array(new Uint8Array(u).buffer),h.random.addEntropy(u,1024,"crypto['randomBytes']");else if("undefined"!=typeof window&&"undefined"!=typeof Uint32Array){if(f=new Uint32Array(32),window.crypto&&window.crypto.getRandomValues)window.crypto.getRandomValues(f);else{if(!window.msCrypto||!window.msCrypto.getRandomValues)break t;window.msCrypto.getRandomValues(f)}h.random.addEntropy(f,1024,"crypto['getRandomValues']")}}catch(t){"undefined"!=typeof window&&window.console&&(console.log("There was an error collecting entropy from the browser:"),console.log(t))}h.json={defaults:{v:1,iter:1e4,ks:128,ts:64,mode:"ccm",adata:"",cipher:"aes"},ja:function(t,e,n,r){n=n||{},r=r||{};var i,o=h.json,a=o.g({iv:h.random.randomWords(4,0)},o.defaults);if(o.g(a,n),n=a.adata,"string"==typeof a.salt&&(a.salt=h.codec.base64.toBits(a.salt)),"string"==typeof a.iv&&(a.iv=h.codec.base64.toBits(a.iv)),!h.mode[a.mode]||!h.cipher[a.cipher]||"string"==typeof t&&100>=a.iter||64!==a.ts&&96!==a.ts&&128!==a.ts||128!==a.ks&&192!==a.ks&&256!==a.ks||2>a.iv.length||4<a.iv.length)throw new h.exception.invalid("json encrypt: invalid parameters");return"string"==typeof t?(i=h.misc.cachedPbkdf2(t,a),t=i.key.slice(0,a.ks/32),a.salt=i.salt):h.ecc&&t instanceof h.ecc.elGamal.publicKey&&(i=t.kem(),a.kemtag=i.tag,t=i.key.slice(0,a.ks/32)),"string"==typeof e&&(e=h.codec.utf8String.toBits(e)),"string"==typeof n&&(a.adata=n=h.codec.utf8String.toBits(n)),i=new h.cipher[a.cipher](t),o.g(r,a),r.key=t,a.ct="ccm"===a.mode&&h.arrayBuffer&&h.arrayBuffer.ccm&&e instanceof ArrayBuffer?h.arrayBuffer.ccm.encrypt(i,e,a.iv,n,a.ts):h.mode[a.mode].encrypt(i,e,a.iv,n,a.ts),a},encrypt:function(t,e,n,r){var i=h.json,o=i.ja.apply(i,arguments);return i.encode(o)},ia:function(t,e,n,r){n=n||{},r=r||{};var i=h.json;e=i.g(i.g(i.g({},i.defaults),e),n,!0);var o,a;if(o=e.adata,"string"==typeof e.salt&&(e.salt=h.codec.base64.toBits(e.salt)),"string"==typeof e.iv&&(e.iv=h.codec.base64.toBits(e.iv)),!h.mode[e.mode]||!h.cipher[e.cipher]||"string"==typeof t&&100>=e.iter||64!==e.ts&&96!==e.ts&&128!==e.ts||128!==e.ks&&192!==e.ks&&256!==e.ks||!e.iv||2>e.iv.length||4<e.iv.length)throw new h.exception.invalid("json decrypt: invalid parameters");return"string"==typeof t?(a=h.misc.cachedPbkdf2(t,e),t=a.key.slice(0,e.ks/32),e.salt=a.salt):h.ecc&&t instanceof h.ecc.elGamal.secretKey&&(t=t.unkem(h.codec.base64.toBits(e.kemtag)).slice(0,e.ks/32)),"string"==typeof o&&(o=h.codec.utf8String.toBits(o)),a=new h.cipher[e.cipher](t),o="ccm"===e.mode&&h.arrayBuffer&&h.arrayBuffer.ccm&&e.ct instanceof ArrayBuffer?h.arrayBuffer.ccm.decrypt(a,e.ct,e.iv,e.tag,o,e.ts):h.mode[e.mode].decrypt(a,e.ct,e.iv,o,e.ts),i.g(r,e),r.key=t,1===n.raw?o:h.codec.utf8String.fromBits(o)},decrypt:function(t,e,n,r){var i=h.json;return i.ia(t,i.decode(e),n,r)},encode:function(t){var e,n="{",r="";for(e in t)if(t.hasOwnProperty(e)){if(!e.match(/^[a-z0-9]+$/i))throw new h.exception.invalid("json encode: invalid property name");switch(n+=r+'"'+e+'":',r=",",typeof t[e]){case"number":case"boolean":n+=t[e];break;case"string":n+='"'+escape(t[e])+'"';break;case"object":n+='"'+h.codec.base64.fromBits(t[e],0)+'"';break;default:throw new h.exception.bug("json encode: unsupported type")}}return n+"}"},decode:function(t){if(t=t.replace(/\s/g,""),!t.match(/^\{.*\}$/))throw new h.exception.invalid("json decode: this isn't json!");t=t.replace(/^\{|\}$/g,"").split(/,/);var e,n,r={};for(e=0;e<t.length;e++){if(!(n=t[e].match(/^\s*(?:(["']?)([a-z][a-z0-9]*)\1)\s*:\s*(?:(-?\d+)|"([a-z0-9+\/%*_.@=\-]*)"|(true|false))$/i)))throw new h.exception.invalid("json decode: this isn't json!");null!=n[3]?r[n[2]]=parseInt(n[3],10):null!=n[4]?r[n[2]]=n[2].match(/^(ct|adata|salt|iv)$/)?h.codec.base64.toBits(n[4]):unescape(n[4]):null!=n[5]&&(r[n[2]]="true"===n[5])}return r},g:function(t,e,n){if(void 0===t&&(t={}),void 0===e)return t;for(var r in e)if(e.hasOwnProperty(r)){if(n&&void 0!==t[r]&&t[r]!==e[r])throw new h.exception.invalid("required parameter overridden");t[r]=e[r]}return t},sa:function(t,e){var n,r={};for(n in t)t.hasOwnProperty(n)&&t[n]!==e[n]&&(r[n]=t[n]);return r},ra:function(t,e){var n,r={};for(n=0;n<e.length;n++)void 0!==t[e[n]]&&(r[e[n]]=t[e[n]]);return r}},h.encrypt=h.json.encrypt,h.decrypt=h.json.decrypt,h.misc.pa={},h.misc.cachedPbkdf2=function(t,e){var n,r=h.misc.pa;return e=e||{},n=e.iter||1e3,r=r[t]=r[t]||{},n=r[n]=r[n]||{firstSalt:e.salt&&e.salt.length?e.salt.slice(0):h.random.randomWords(2,0)},r=void 0===e.salt?n.firstSalt:e.salt,n[r]=n[r]||h.misc.pbkdf2(t,r,e.iter),{key:n[r].slice(0),salt:r.slice(0)}},void 0!==t&&t.exports&&(t.exports=h),"function"==typeof define&&define([],function(){return h})}})});
\ No newline at end of file