requirebin sketch

index.js

var simhash = require('simhash')();

var ConvertBase = require('convert-base');
var converter = new ConvertBase();

var perc = function(i, j) {
  return (+i/(+j)) * 100;
};

var bigInt = require('js-big-integer').BigInteger;

var result1 = simhash(['The cat sat on the mat']);
var binaryStr1 = result1.join('');
var bigNum1 = new bigInt(binaryStr1, 2);
var num1 = +bigNum1.toString();

var result2 = simhash(['The cat sat on a mat']);
var binaryStr2 = result2.join('');
var bigNum2 = new bigInt(binaryStr2, 2);
var num2 = +bigNum2.toString();
//debugger;
console.log(binaryStr1, binaryStr2);
console.log('documents are ' + perc(bigNum2.subtract(bigNum1).toString(), num1) + ' similar');

minified.js

require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({"convert-base":[function(require,module,exports){(function(){"use strict";var ConvertBase=function(bits){return{convert:function convert(number,from,to){var result=parseInt(number,from).toString(to).toUpperCase();if(to===10)return~~result;return result}}};if(typeof define==="function"&&define.amd){define(function(){return ConvertBase})}else if(typeof module!=="undefined"&&module.exports){module.exports=ConvertBase}else{window.ConvertBase=ConvertBase}})()},{}]},{},[]);require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var base64=require("base64-js");var ieee754=require("ieee754");exports.Buffer=Buffer;exports.SlowBuffer=Buffer;exports.INSPECT_MAX_BYTES=50;Buffer.poolSize=8192;var TYPED_ARRAY_SUPPORT=function(){try{var buf=new ArrayBuffer(0);var arr=new Uint8Array(buf);arr.foo=function(){return 42};return 42===arr.foo()&&typeof arr.subarray==="function"&&new Uint8Array(1).subarray(1,1).byteLength===0}catch(e){return false}}();function Buffer(subject,encoding,noZero){if(!(this instanceof Buffer))return new Buffer(subject,encoding,noZero);var type=typeof subject;var length;if(type==="number")length=subject>0?subject>>>0:0;else if(type==="string"){if(encoding==="base64")subject=base64clean(subject);length=Buffer.byteLength(subject,encoding)}else if(type==="object"&&subject!==null){if(subject.type==="Buffer"&&isArray(subject.data))subject=subject.data;length=+subject.length>0?Math.floor(+subject.length):0}else throw new Error("First argument needs to be a number, array or string.");var buf;if(TYPED_ARRAY_SUPPORT){buf=Buffer._augment(new Uint8Array(length))}else{buf=this;buf.length=length;buf._isBuffer=true}var i;if(TYPED_ARRAY_SUPPORT&&typeof subject.byteLength==="number"){buf._set(subject)}else if(isArrayish(subject)){if(Buffer.isBuffer(subject)){for(i=0;i<length;i++)buf[i]=subject.readUInt8(i)}else{for(i=0;i<length;i++)buf[i]=(subject[i]%256+256)%256}}else if(type==="string"){buf.write(subject,0,encoding)}else if(type==="number"&&!TYPED_ARRAY_SUPPORT&&!noZero){for(i=0;i<length;i++){buf[i]=0}}return buf}Buffer.isEncoding=function(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"raw":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return true;default:return false}};Buffer.isBuffer=function(b){return!!(b!=null&&b._isBuffer)};Buffer.byteLength=function(str,encoding){var ret;str=str.toString();switch(encoding||"utf8"){case"hex":ret=str.length/2;break;case"utf8":case"utf-8":ret=utf8ToBytes(str).length;break;case"ascii":case"binary":case"raw":ret=str.length;break;case"base64":ret=base64ToBytes(str).length;break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=str.length*2;break;default:throw new Error("Unknown encoding")}return ret};Buffer.concat=function(list,totalLength){assert(isArray(list),"Usage: Buffer.concat(list[, length])");if(list.length===0){return new Buffer(0)}else if(list.length===1){return list[0]}var i;if(totalLength===undefined){totalLength=0;for(i=0;i<list.length;i++){totalLength+=list[i].length}}var buf=new Buffer(totalLength);var pos=0;for(i=0;i<list.length;i++){var item=list[i];item.copy(buf,pos);pos+=item.length}return buf};Buffer.compare=function(a,b){assert(Buffer.isBuffer(a)&&Buffer.isBuffer(b),"Arguments must be Buffers");var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i<len&&a[i]===b[i];i++){}if(i!==len){x=a[i];y=b[i]}if(x<y){return-1}if(y<x){return 1}return 0};function hexWrite(buf,string,offset,length){offset=Number(offset)||0;var remaining=buf.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}var strLen=string.length;assert(strLen%2===0,"Invalid hex string");if(length>strLen/2){length=strLen/2}for(var i=0;i<length;i++){var byte=parseInt(string.substr(i*2,2),16);assert(!isNaN(byte),"Invalid hex string");buf[offset+i]=byte}return i}function utf8Write(buf,string,offset,length){var charsWritten=blitBuffer(utf8ToBytes(string),buf,offset,length);return charsWritten}function asciiWrite(buf,string,offset,length){var charsWritten=blitBuffer(asciiToBytes(string),buf,offset,length);return charsWritten}function binaryWrite(buf,string,offset,length){return asciiWrite(buf,string,offset,length)}function base64Write(buf,string,offset,length){var charsWritten=blitBuffer(base64ToBytes(string),buf,offset,length);return charsWritten}function utf16leWrite(buf,string,offset,length){var charsWritten=blitBuffer(utf16leToBytes(string),buf,offset,length);return charsWritten}Buffer.prototype.write=function(string,offset,length,encoding){if(isFinite(offset)){if(!isFinite(length)){encoding=length;length=undefined}}else{var swap=encoding;encoding=offset;offset=length;length=swap}offset=Number(offset)||0;var remaining=this.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}encoding=String(encoding||"utf8").toLowerCase();var ret;switch(encoding){case"hex":ret=hexWrite(this,string,offset,length);break;case"utf8":case"utf-8":ret=utf8Write(this,string,offset,length);break;case"ascii":ret=asciiWrite(this,string,offset,length);break;case"binary":ret=binaryWrite(this,string,offset,length);break;case"base64":ret=base64Write(this,string,offset,length);break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=utf16leWrite(this,string,offset,length);break;default:throw new Error("Unknown encoding")}return ret};Buffer.prototype.toString=function(encoding,start,end){var self=this;encoding=String(encoding||"utf8").toLowerCase();start=Number(start)||0;end=end===undefined?self.length:Number(end);if(end===start)return"";var ret;switch(encoding){case"hex":ret=hexSlice(self,start,end);break;case"utf8":case"utf-8":ret=utf8Slice(self,start,end);break;case"ascii":ret=asciiSlice(self,start,end);break;case"binary":ret=binarySlice(self,start,end);break;case"base64":ret=base64Slice(self,start,end);break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=utf16leSlice(self,start,end);break;default:throw new Error("Unknown encoding")}return ret};Buffer.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};Buffer.prototype.equals=function(b){assert(Buffer.isBuffer(b),"Argument must be a Buffer");return Buffer.compare(this,b)===0};Buffer.prototype.compare=function(b){assert(Buffer.isBuffer(b),"Argument must be a Buffer");return Buffer.compare(this,b)};Buffer.prototype.copy=function(target,target_start,start,end){var source=this;if(!start)start=0;if(!end&&end!==0)end=this.length;if(!target_start)target_start=0;if(end===start)return;if(target.length===0||source.length===0)return;assert(end>=start,"sourceEnd < sourceStart");assert(target_start>=0&&target_start<target.length,"targetStart out of bounds");assert(start>=0&&start<source.length,"sourceStart out of bounds");assert(end>=0&&end<=source.length,"sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-target_start<end-start)end=target.length-target_start+start;var len=end-start;if(len<100||!TYPED_ARRAY_SUPPORT){for(var i=0;i<len;i++){target[i+target_start]=this[i+start]}}else{target._set(this.subarray(start,start+len),target_start)}};function base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf)}else{return base64.fromByteArray(buf.slice(start,end))}}function utf8Slice(buf,start,end){var res="";var tmp="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){if(buf[i]<=127){res+=decodeUtf8Char(tmp)+String.fromCharCode(buf[i]);tmp=""}else{tmp+="%"+buf[i].toString(16)}}return res+decodeUtf8Char(tmp)}function asciiSlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){ret+=String.fromCharCode(buf[i])}return ret}function binarySlice(buf,start,end){return asciiSlice(buf,start,end)}function hexSlice(buf,start,end){var len=buf.length;if(!start||start<0)start=0;if(!end||end<0||end>len)end=len;var out="";for(var i=start;i<end;i++){out+=toHex(buf[i])}return out}function utf16leSlice(buf,start,end){var bytes=buf.slice(start,end);var res="";for(var i=0;i<bytes.length;i+=2){res+=String.fromCharCode(bytes[i]+bytes[i+1]*256)}return res}Buffer.prototype.slice=function(start,end){var len=this.length;start=~~start;end=end===undefined?len:~~end;if(start<0){start+=len;if(start<0)start=0}else if(start>len){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(end<start)end=start;if(TYPED_ARRAY_SUPPORT){return Buffer._augment(this.subarray(start,end))}else{var sliceLen=end-start;var newBuf=new Buffer(sliceLen,undefined,true);for(var i=0;i<sliceLen;i++){newBuf[i]=this[i+start]}return newBuf}};Buffer.prototype.get=function(offset){console.log(".get() is deprecated. Access using array indexes instead.");return this.readUInt8(offset)};Buffer.prototype.set=function(v,offset){console.log(".set() is deprecated. Access using array indexes instead.");return this.writeUInt8(v,offset)};Buffer.prototype.readUInt8=function(offset,noAssert){if(!noAssert){assert(offset!==undefined&&offset!==null,"missing offset");assert(offset<this.length,"Trying to read beyond buffer length")}if(offset>=this.length)return;return this[offset]};function readUInt16(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+1<buf.length,"Trying to read beyond buffer length")}var len=buf.length;if(offset>=len)return;var val;if(littleEndian){val=buf[offset];if(offset+1<len)val|=buf[offset+1]<<8}else{val=buf[offset]<<8;if(offset+1<len)val|=buf[offset+1]}return val}Buffer.prototype.readUInt16LE=function(offset,noAssert){return readUInt16(this,offset,true,noAssert)};Buffer.prototype.readUInt16BE=function(offset,noAssert){return readUInt16(this,offset,false,noAssert)};function readUInt32(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"Trying to read beyond buffer length")}var len=buf.length;if(offset>=len)return;var val;if(littleEndian){if(offset+2<len)val=buf[offset+2]<<16;if(offset+1<len)val|=buf[offset+1]<<8;val|=buf[offset];if(offset+3<len)val=val+(buf[offset+3]<<24>>>0)}else{if(offset+1<len)val=buf[offset+1]<<16;if(offset+2<len)val|=buf[offset+2]<<8;if(offset+3<len)val|=buf[offset+3];val=val+(buf[offset]<<24>>>0)}return val}Buffer.prototype.readUInt32LE=function(offset,noAssert){return readUInt32(this,offset,true,noAssert)};Buffer.prototype.readUInt32BE=function(offset,noAssert){return readUInt32(this,offset,false,noAssert)};Buffer.prototype.readInt8=function(offset,noAssert){if(!noAssert){assert(offset!==undefined&&offset!==null,"missing offset");assert(offset<this.length,"Trying to read beyond buffer length")}if(offset>=this.length)return;var neg=this[offset]&128;if(neg)return(255-this[offset]+1)*-1;else return this[offset]};function readInt16(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+1<buf.length,"Trying to read beyond buffer length")}var len=buf.length;if(offset>=len)return;var val=readUInt16(buf,offset,littleEndian,true);var neg=val&32768;if(neg)return(65535-val+1)*-1;else return val}Buffer.prototype.readInt16LE=function(offset,noAssert){return readInt16(this,offset,true,noAssert)};Buffer.prototype.readInt16BE=function(offset,noAssert){return readInt16(this,offset,false,noAssert)};function readInt32(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"Trying to read beyond buffer length")}var len=buf.length;if(offset>=len)return;var val=readUInt32(buf,offset,littleEndian,true);var neg=val&2147483648;if(neg)return(4294967295-val+1)*-1;else return val}Buffer.prototype.readInt32LE=function(offset,noAssert){return readInt32(this,offset,true,noAssert)};Buffer.prototype.readInt32BE=function(offset,noAssert){return readInt32(this,offset,false,noAssert)};function readFloat(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset+3<buf.length,"Trying to read beyond buffer length")}return ieee754.read(buf,offset,littleEndian,23,4)}Buffer.prototype.readFloatLE=function(offset,noAssert){return readFloat(this,offset,true,noAssert)};Buffer.prototype.readFloatBE=function(offset,noAssert){return readFloat(this,offset,false,noAssert)};function readDouble(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset+7<buf.length,"Trying to read beyond buffer length")}return ieee754.read(buf,offset,littleEndian,52,8)}Buffer.prototype.readDoubleLE=function(offset,noAssert){return readDouble(this,offset,true,noAssert)};Buffer.prototype.readDoubleBE=function(offset,noAssert){return readDouble(this,offset,false,noAssert)};Buffer.prototype.writeUInt8=function(value,offset,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset<this.length,"trying to write beyond buffer length");verifuint(value,255)}if(offset>=this.length)return;this[offset]=value;return offset+1};function writeUInt16(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+1<buf.length,"trying to write beyond buffer length");verifuint(value,65535)}var len=buf.length;if(offset>=len)return;for(var i=0,j=Math.min(len-offset,2);i<j;i++){buf[offset+i]=(value&255<<8*(littleEndian?i:1-i))>>>(littleEndian?i:1-i)*8}return offset+2}Buffer.prototype.writeUInt16LE=function(value,offset,noAssert){return writeUInt16(this,value,offset,true,noAssert)};Buffer.prototype.writeUInt16BE=function(value,offset,noAssert){return writeUInt16(this,value,offset,false,noAssert)};function writeUInt32(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"trying to write beyond buffer length");verifuint(value,4294967295)}var len=buf.length;if(offset>=len)return;for(var i=0,j=Math.min(len-offset,4);i<j;i++){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}return offset+4}Buffer.prototype.writeUInt32LE=function(value,offset,noAssert){return writeUInt32(this,value,offset,true,noAssert)};Buffer.prototype.writeUInt32BE=function(value,offset,noAssert){return writeUInt32(this,value,offset,false,noAssert)};Buffer.prototype.writeInt8=function(value,offset,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset<this.length,"Trying to write beyond buffer length");verifsint(value,127,-128)}if(offset>=this.length)return;if(value>=0)this.writeUInt8(value,offset,noAssert);else this.writeUInt8(255+value+1,offset,noAssert);return offset+1};function writeInt16(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+1<buf.length,"Trying to write beyond buffer length");verifsint(value,32767,-32768)}var len=buf.length;if(offset>=len)return;if(value>=0)writeUInt16(buf,value,offset,littleEndian,noAssert);else writeUInt16(buf,65535+value+1,offset,littleEndian,noAssert);return offset+2}Buffer.prototype.writeInt16LE=function(value,offset,noAssert){return writeInt16(this,value,offset,true,noAssert)};Buffer.prototype.writeInt16BE=function(value,offset,noAssert){return writeInt16(this,value,offset,false,noAssert)};function writeInt32(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"Trying to write beyond buffer length");verifsint(value,2147483647,-2147483648)}var len=buf.length;if(offset>=len)return;if(value>=0)writeUInt32(buf,value,offset,littleEndian,noAssert);else writeUInt32(buf,4294967295+value+1,offset,littleEndian,noAssert);return offset+4}Buffer.prototype.writeInt32LE=function(value,offset,noAssert){return writeInt32(this,value,offset,true,noAssert)};Buffer.prototype.writeInt32BE=function(value,offset,noAssert){return writeInt32(this,value,offset,false,noAssert)};function writeFloat(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"Trying to write beyond buffer length");verifIEEE754(value,3.4028234663852886e38,-3.4028234663852886e38)}var len=buf.length;if(offset>=len)return;ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+7<buf.length,"Trying to write beyond buffer length");verifIEEE754(value,1.7976931348623157e308,-1.7976931348623157e308)}var len=buf.length;if(offset>=len)return;ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.fill=function(value,start,end){if(!value)value=0;if(!start)start=0;if(!end)end=this.length;assert(end>=start,"end < start");if(end===start)return;if(this.length===0)return;assert(start>=0&&start<this.length,"start out of bounds");assert(end>=0&&end<=this.length,"end out of bounds");var i;if(typeof value==="number"){for(i=start;i<end;i++){this[i]=value}}else{var bytes=utf8ToBytes(value.toString());var len=bytes.length;for(i=start;i<end;i++){this[i]=bytes[i%len]}}return this};Buffer.prototype.inspect=function(){var out=[];var len=this.length;for(var i=0;i<len;i++){out[i]=toHex(this[i]);if(i===exports.INSPECT_MAX_BYTES){out[i+1]="...";break}}return"<Buffer "+out.join(" ")+">"};Buffer.prototype.toArrayBuffer=function(){if(typeof Uint8Array!=="undefined"){if(TYPED_ARRAY_SUPPORT){return new Buffer(this).buffer}else{var buf=new Uint8Array(this.length);for(var i=0,len=buf.length;i<len;i+=1){buf[i]=this[i]}return buf.buffer}}else{throw new Error("Buffer.toArrayBuffer not supported in this browser")}};var BP=Buffer.prototype;Buffer._augment=function(arr){arr._isBuffer=true;arr._get=arr.get;arr._set=arr.set;arr.get=BP.get;arr.set=BP.set;arr.write=BP.write;arr.toString=BP.toString;arr.toLocaleString=BP.toString;arr.toJSON=BP.toJSON;arr.equals=BP.equals;arr.compare=BP.compare;arr.copy=BP.copy;arr.slice=BP.slice;arr.readUInt8=BP.readUInt8;arr.readUInt16LE=BP.readUInt16LE;arr.readUInt16BE=BP.readUInt16BE;arr.readUInt32LE=BP.readUInt32LE;arr.readUInt32BE=BP.readUInt32BE;arr.readInt8=BP.readInt8;arr.readInt16LE=BP.readInt16LE;arr.readInt16BE=BP.readInt16BE;arr.readInt32LE=BP.readInt32LE;arr.readInt32BE=BP.readInt32BE;arr.readFloatLE=BP.readFloatLE;arr.readFloatBE=BP.readFloatBE;arr.readDoubleLE=BP.readDoubleLE;arr.readDoubleBE=BP.readDoubleBE;arr.writeUInt8=BP.writeUInt8;arr.writeUInt16LE=BP.writeUInt16LE;arr.writeUInt16BE=BP.writeUInt16BE;arr.writeUInt32LE=BP.writeUInt32LE;arr.writeUInt32BE=BP.writeUInt32BE;arr.writeInt8=BP.writeInt8;arr.writeInt16LE=BP.writeInt16LE;arr.writeInt16BE=BP.writeInt16BE;arr.writeInt32LE=BP.writeInt32LE;arr.writeInt32BE=BP.writeInt32BE;arr.writeFloatLE=BP.writeFloatLE;arr.writeFloatBE=BP.writeFloatBE;arr.writeDoubleLE=BP.writeDoubleLE;arr.writeDoubleBE=BP.writeDoubleBE;arr.fill=BP.fill;arr.inspect=BP.inspect;arr.toArrayBuffer=BP.toArrayBuffer;return arr};var INVALID_BASE64_RE=/[^+\/0-9A-z]/g;function base64clean(str){str=stringtrim(str).replace(INVALID_BASE64_RE,"");while(str.length%4!==0){str=str+"="}return str}function stringtrim(str){if(str.trim)return str.trim();return str.replace(/^\s+|\s+$/g,"")}function isArray(subject){return(Array.isArray||function(subject){return Object.prototype.toString.call(subject)==="[object Array]"})(subject)}function isArrayish(subject){return isArray(subject)||Buffer.isBuffer(subject)||subject&&typeof subject==="object"&&typeof subject.length==="number"}function toHex(n){if(n<16)return"0"+n.toString(16);return n.toString(16)}function utf8ToBytes(str){var byteArray=[];for(var i=0;i<str.length;i++){var b=str.charCodeAt(i);if(b<=127){byteArray.push(b)}else{var start=i;if(b>=55296&&b<=57343)i++;var h=encodeURIComponent(str.slice(start,i+1)).substr(1).split("%");for(var j=0;j<h.length;j++){byteArray.push(parseInt(h[j],16))}}}return byteArray}function asciiToBytes(str){var byteArray=[];for(var i=0;i<str.length;i++){byteArray.push(str.charCodeAt(i)&255)}return byteArray}function utf16leToBytes(str){var c,hi,lo;var byteArray=[];for(var i=0;i<str.length;i++){c=str.charCodeAt(i);hi=c>>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(str)}function blitBuffer(src,dst,offset,length){for(var i=0;i<length;i++){if(i+offset>=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function decodeUtf8Char(str){try{return decodeURIComponent(str)}catch(err){return String.fromCharCode(65533)}}function verifuint(value,max){assert(typeof value==="number","cannot write a non-number as a number");assert(value>=0,"specified a negative value for writing an unsigned value");assert(value<=max,"value is larger than maximum value for type");assert(Math.floor(value)===value,"value has a fractional component")}function verifsint(value,max,min){assert(typeof value==="number","cannot write a non-number as a number");assert(value<=max,"value larger than maximum allowed value");assert(value>=min,"value smaller than minimum allowed value");assert(Math.floor(value)===value,"value has a fractional component")}function verifIEEE754(value,max,min){assert(typeof value==="number","cannot write a non-number as a number");assert(value<=max,"value larger than maximum allowed value");assert(value>=min,"value smaller than minimum allowed value")}function assert(test,message){if(!test)throw new Error(message||"Failed assertion")}},{"base64-js":2,ieee754:3}],2:[function(require,module,exports){var lookup="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";(function(exports){"use strict";var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var PLUS="+".charCodeAt(0);var SLASH="/".charCodeAt(0);var NUMBER="0".charCodeAt(0);var LOWER="a".charCodeAt(0);var UPPER="A".charCodeAt(0);function decode(elt){var code=elt.charCodeAt(0);if(code===PLUS)return 62;if(code===SLASH)return 63;if(code<NUMBER)return-1;if(code<NUMBER+10)return code-NUMBER+26+26;if(code<UPPER+26)return code-UPPER;if(code<LOWER+26)return code-LOWER+26}function b64ToByteArray(b64){var i,j,l,tmp,placeHolders,arr;if(b64.length%4>0){throw new Error("Invalid string. Length must be a multiple of 4")}var len=b64.length;placeHolders="="===b64.charAt(len-2)?2:"="===b64.charAt(len-1)?1:0;arr=new Arr(b64.length*3/4-placeHolders);l=placeHolders>0?b64.length-4:b64.length;var L=0;function push(v){arr[L++]=v}for(i=0,j=0;i<l;i+=4,j+=3){tmp=decode(b64.charAt(i))<<18|decode(b64.charAt(i+1))<<12|decode(b64.charAt(i+2))<<6|decode(b64.charAt(i+3));push((tmp&16711680)>>16);push((tmp&65280)>>8);push(tmp&255)}if(placeHolders===2){tmp=decode(b64.charAt(i))<<2|decode(b64.charAt(i+1))>>4;push(tmp&255)}else if(placeHolders===1){tmp=decode(b64.charAt(i))<<10|decode(b64.charAt(i+1))<<4|decode(b64.charAt(i+2))>>2;push(tmp>>8&255);push(tmp&255)}return arr}function uint8ToBase64(uint8){var i,extraBytes=uint8.length%3,output="",temp,length;function encode(num){return lookup.charAt(num)}function tripletToBase64(num){return encode(num>>18&63)+encode(num>>12&63)+encode(num>>6&63)+encode(num&63)}for(i=0,length=uint8.length-extraBytes;i<length;i+=3){temp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2];output+=tripletToBase64(temp)}switch(extraBytes){case 1:temp=uint8[uint8.length-1];output+=encode(temp>>2);output+=encode(temp<<4&63);output+="==";break;case 2:temp=(uint8[uint8.length-2]<<8)+uint8[uint8.length-1];output+=encode(temp>>10);output+=encode(temp>>4&63);output+=encode(temp<<2&63);output+="=";break}return output}exports.toByteArray=b64ToByteArray;exports.fromByteArray=uint8ToBase64})(typeof exports==="undefined"?this.base64js={}:exports)},{}],3:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,nBits=-7,i=isLE?nBytes-1:0,d=isLE?-1:1,s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8);m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8);if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0,i=isLE?0:nBytes-1,d=isLE?1:-1,s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8);e=e<<mLen|m;eLen+=mLen;for(;eLen>0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8);buffer[offset+i-d]|=s*128}},{}],4:[function(require,module,exports){(function(Buffer){var createHash=require("sha.js");var md5=toConstructor(require("./md5"));var rmd160=toConstructor(require("ripemd160"));function toConstructor(fn){return function(){var buffers=[];var m={update:function(data,enc){if(!Buffer.isBuffer(data))data=new Buffer(data,enc);buffers.push(data);return this},digest:function(enc){var buf=Buffer.concat(buffers);var r=fn(buf);buffers=null;return enc?r.toString(enc):r}};return m}}module.exports=function(alg){if("md5"===alg)return new md5;if("rmd160"===alg)return new rmd160;return createHash(alg)}}).call(this,require("buffer").Buffer)},{"./md5":8,buffer:1,ripemd160:9,"sha.js":11}],5:[function(require,module,exports){(function(Buffer){var createHash=require("./create-hash");var blocksize=64;var zeroBuffer=new Buffer(blocksize);zeroBuffer.fill(0);module.exports=Hmac;function Hmac(alg,key){if(!(this instanceof Hmac))return new Hmac(alg,key);this._opad=opad;this._alg=alg;key=this._key=!Buffer.isBuffer(key)?new Buffer(key):key;if(key.length>blocksize){key=createHash(alg).update(key).digest()}else if(key.length<blocksize){key=Buffer.concat([key,zeroBuffer],blocksize)}var ipad=this._ipad=new Buffer(blocksize);var opad=this._opad=new Buffer(blocksize);for(var i=0;i<blocksize;i++){ipad[i]=key[i]^54;opad[i]=key[i]^92}this._hash=createHash(alg).update(ipad)}Hmac.prototype.update=function(data,enc){this._hash.update(data,enc);return this};Hmac.prototype.digest=function(enc){var h=this._hash.digest();return createHash(this._alg).update(this._opad).update(h).digest(enc)}}).call(this,require("buffer").Buffer)},{"./create-hash":4,buffer:1}],6:[function(require,module,exports){(function(Buffer){var intSize=4;var zeroBuffer=new Buffer(intSize);zeroBuffer.fill(0);var chrsz=8;function toArray(buf,bigEndian){if(buf.length%intSize!==0){var len=buf.length+(intSize-buf.length%intSize);buf=Buffer.concat([buf,zeroBuffer],len)}var arr=[];var fn=bigEndian?buf.readInt32BE:buf.readInt32LE;for(var i=0;i<buf.length;i+=intSize){arr.push(fn.call(buf,i))}return arr}function toBuffer(arr,size,bigEndian){var buf=new Buffer(size);var fn=bigEndian?buf.writeInt32BE:buf.writeInt32LE;for(var i=0;i<arr.length;i++){fn.call(buf,arr[i],i*4,true)}return buf}function hash(buf,fn,hashSize,bigEndian){if(!Buffer.isBuffer(buf))buf=new Buffer(buf);var arr=fn(toArray(buf,bigEndian),buf.length*chrsz);return toBuffer(arr,hashSize,bigEndian)}module.exports={hash:hash}}).call(this,require("buffer").Buffer)},{buffer:1}],7:[function(require,module,exports){(function(Buffer){var rng=require("./rng");function error(){var m=[].slice.call(arguments).join(" ");throw new Error([m,"we accept pull requests","http://github.com/dominictarr/crypto-browserify"].join("\n"))}exports.createHash=require("./create-hash");exports.createHmac=require("./create-hmac");exports.randomBytes=function(size,callback){if(callback&&callback.call){try{callback.call(this,undefined,new Buffer(rng(size)))}catch(err){callback(err)}}else{return new Buffer(rng(size))}};function each(a,f){for(var i in a)f(a[i],i)}exports.getHashes=function(){return["sha1","sha256","md5","rmd160"]};var p=require("./pbkdf2")(exports.createHmac);exports.pbkdf2=p.pbkdf2;exports.pbkdf2Sync=p.pbkdf2Sync;each(["createCredentials","createCipher","createCipheriv","createDecipher","createDecipheriv","createSign","createVerify","createDiffieHellman"],function(name){exports[name]=function(){error("sorry,",name,"is not implemented yet")}})}).call(this,require("buffer").Buffer)},{"./create-hash":4,"./create-hmac":5,"./pbkdf2":15,"./rng":16,buffer:1}],8:[function(require,module,exports){var helpers=require("./helpers");function core_md5(x,len){x[len>>5]|=128<<len%32;x[(len+64>>>9<<4)+14]=len;var a=1732584193;var b=-271733879;var c=-1732584194;var d=271733878;for(var i=0;i<x.length;i+=16){var olda=a;var oldb=b;var oldc=c;var oldd=d;a=md5_ff(a,b,c,d,x[i+0],7,-680876936);d=md5_ff(d,a,b,c,x[i+1],12,-389564586);c=md5_ff(c,d,a,b,x[i+2],17,606105819);b=md5_ff(b,c,d,a,x[i+3],22,-1044525330);a=md5_ff(a,b,c,d,x[i+4],7,-176418897);d=md5_ff(d,a,b,c,x[i+5],12,1200080426);c=md5_ff(c,d,a,b,x[i+6],17,-1473231341);b=md5_ff(b,c,d,a,x[i+7],22,-45705983);a=md5_ff(a,b,c,d,x[i+8],7,1770035416);d=md5_ff(d,a,b,c,x[i+9],12,-1958414417);c=md5_ff(c,d,a,b,x[i+10],17,-42063);b=md5_ff(b,c,d,a,x[i+11],22,-1990404162);a=md5_ff(a,b,c,d,x[i+12],7,1804603682);d=md5_ff(d,a,b,c,x[i+13],12,-40341101);
c=md5_ff(c,d,a,b,x[i+14],17,-1502002290);b=md5_ff(b,c,d,a,x[i+15],22,1236535329);a=md5_gg(a,b,c,d,x[i+1],5,-165796510);d=md5_gg(d,a,b,c,x[i+6],9,-1069501632);c=md5_gg(c,d,a,b,x[i+11],14,643717713);b=md5_gg(b,c,d,a,x[i+0],20,-373897302);a=md5_gg(a,b,c,d,x[i+5],5,-701558691);d=md5_gg(d,a,b,c,x[i+10],9,38016083);c=md5_gg(c,d,a,b,x[i+15],14,-660478335);b=md5_gg(b,c,d,a,x[i+4],20,-405537848);a=md5_gg(a,b,c,d,x[i+9],5,568446438);d=md5_gg(d,a,b,c,x[i+14],9,-1019803690);c=md5_gg(c,d,a,b,x[i+3],14,-187363961);b=md5_gg(b,c,d,a,x[i+8],20,1163531501);a=md5_gg(a,b,c,d,x[i+13],5,-1444681467);d=md5_gg(d,a,b,c,x[i+2],9,-51403784);c=md5_gg(c,d,a,b,x[i+7],14,1735328473);b=md5_gg(b,c,d,a,x[i+12],20,-1926607734);a=md5_hh(a,b,c,d,x[i+5],4,-378558);d=md5_hh(d,a,b,c,x[i+8],11,-2022574463);c=md5_hh(c,d,a,b,x[i+11],16,1839030562);b=md5_hh(b,c,d,a,x[i+14],23,-35309556);a=md5_hh(a,b,c,d,x[i+1],4,-1530992060);d=md5_hh(d,a,b,c,x[i+4],11,1272893353);c=md5_hh(c,d,a,b,x[i+7],16,-155497632);b=md5_hh(b,c,d,a,x[i+10],23,-1094730640);a=md5_hh(a,b,c,d,x[i+13],4,681279174);d=md5_hh(d,a,b,c,x[i+0],11,-358537222);c=md5_hh(c,d,a,b,x[i+3],16,-722521979);b=md5_hh(b,c,d,a,x[i+6],23,76029189);a=md5_hh(a,b,c,d,x[i+9],4,-640364487);d=md5_hh(d,a,b,c,x[i+12],11,-421815835);c=md5_hh(c,d,a,b,x[i+15],16,530742520);b=md5_hh(b,c,d,a,x[i+2],23,-995338651);a=md5_ii(a,b,c,d,x[i+0],6,-198630844);d=md5_ii(d,a,b,c,x[i+7],10,1126891415);c=md5_ii(c,d,a,b,x[i+14],15,-1416354905);b=md5_ii(b,c,d,a,x[i+5],21,-57434055);a=md5_ii(a,b,c,d,x[i+12],6,1700485571);d=md5_ii(d,a,b,c,x[i+3],10,-1894986606);c=md5_ii(c,d,a,b,x[i+10],15,-1051523);b=md5_ii(b,c,d,a,x[i+1],21,-2054922799);a=md5_ii(a,b,c,d,x[i+8],6,1873313359);d=md5_ii(d,a,b,c,x[i+15],10,-30611744);c=md5_ii(c,d,a,b,x[i+6],15,-1560198380);b=md5_ii(b,c,d,a,x[i+13],21,1309151649);a=md5_ii(a,b,c,d,x[i+4],6,-145523070);d=md5_ii(d,a,b,c,x[i+11],10,-1120210379);c=md5_ii(c,d,a,b,x[i+2],15,718787259);b=md5_ii(b,c,d,a,x[i+9],21,-343485551);a=safe_add(a,olda);b=safe_add(b,oldb);c=safe_add(c,oldc);d=safe_add(d,oldd)}return Array(a,b,c,d)}function md5_cmn(q,a,b,x,s,t){return safe_add(bit_rol(safe_add(safe_add(a,q),safe_add(x,t)),s),b)}function md5_ff(a,b,c,d,x,s,t){return md5_cmn(b&c|~b&d,a,b,x,s,t)}function md5_gg(a,b,c,d,x,s,t){return md5_cmn(b&d|c&~d,a,b,x,s,t)}function md5_hh(a,b,c,d,x,s,t){return md5_cmn(b^c^d,a,b,x,s,t)}function md5_ii(a,b,c,d,x,s,t){return md5_cmn(c^(b|~d),a,b,x,s,t)}function safe_add(x,y){var lsw=(x&65535)+(y&65535);var msw=(x>>16)+(y>>16)+(lsw>>16);return msw<<16|lsw&65535}function bit_rol(num,cnt){return num<<cnt|num>>>32-cnt}module.exports=function md5(buf){return helpers.hash(buf,core_md5,16)}},{"./helpers":6}],9:[function(require,module,exports){(function(Buffer){module.exports=ripemd160;var zl=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,7,4,13,1,10,6,15,3,12,0,9,5,2,14,11,8,3,10,14,4,9,15,8,1,2,7,0,6,13,11,5,12,1,9,11,10,0,8,12,4,13,3,7,15,14,5,6,2,4,0,5,9,7,12,2,10,14,1,3,8,11,6,15,13];var zr=[5,14,7,0,9,2,11,4,13,6,15,8,1,10,3,12,6,11,3,7,0,13,5,10,14,15,8,12,4,9,1,2,15,5,1,3,7,14,6,9,11,8,12,2,10,0,4,13,8,6,4,1,3,11,15,0,5,12,2,13,9,7,10,14,12,15,10,4,1,5,8,7,6,2,13,14,0,3,9,11];var sl=[11,14,15,12,5,8,7,9,11,13,14,15,6,7,9,8,7,6,8,13,11,9,7,15,7,12,15,9,11,7,13,12,11,13,6,7,14,9,13,15,14,8,13,6,5,12,7,5,11,12,14,15,14,15,9,8,9,14,5,6,8,6,5,12,9,15,5,11,6,8,13,12,5,12,13,14,11,8,5,6];var sr=[8,9,9,11,13,15,15,5,7,7,8,11,14,14,12,6,9,13,15,7,12,8,9,11,7,7,12,7,6,15,13,11,9,7,15,11,8,6,6,14,12,13,5,14,13,13,7,5,15,5,8,11,14,14,6,14,6,9,12,9,12,5,15,8,8,5,12,9,12,5,14,6,8,13,6,5,15,13,11,11];var hl=[0,1518500249,1859775393,2400959708,2840853838];var hr=[1352829926,1548603684,1836072691,2053994217,0];var bytesToWords=function(bytes){var words=[];for(var i=0,b=0;i<bytes.length;i++,b+=8){words[b>>>5]|=bytes[i]<<24-b%32}return words};var wordsToBytes=function(words){var bytes=[];for(var b=0;b<words.length*32;b+=8){bytes.push(words[b>>>5]>>>24-b%32&255)}return bytes};var processBlock=function(H,M,offset){for(var i=0;i<16;i++){var offset_i=offset+i;var M_offset_i=M[offset_i];M[offset_i]=(M_offset_i<<8|M_offset_i>>>24)&16711935|(M_offset_i<<24|M_offset_i>>>8)&4278255360}var al,bl,cl,dl,el;var ar,br,cr,dr,er;ar=al=H[0];br=bl=H[1];cr=cl=H[2];dr=dl=H[3];er=el=H[4];var t;for(var i=0;i<80;i+=1){t=al+M[offset+zl[i]]|0;if(i<16){t+=f1(bl,cl,dl)+hl[0]}else if(i<32){t+=f2(bl,cl,dl)+hl[1]}else if(i<48){t+=f3(bl,cl,dl)+hl[2]}else if(i<64){t+=f4(bl,cl,dl)+hl[3]}else{t+=f5(bl,cl,dl)+hl[4]}t=t|0;t=rotl(t,sl[i]);t=t+el|0;al=el;el=dl;dl=rotl(cl,10);cl=bl;bl=t;t=ar+M[offset+zr[i]]|0;if(i<16){t+=f5(br,cr,dr)+hr[0]}else if(i<32){t+=f4(br,cr,dr)+hr[1]}else if(i<48){t+=f3(br,cr,dr)+hr[2]}else if(i<64){t+=f2(br,cr,dr)+hr[3]}else{t+=f1(br,cr,dr)+hr[4]}t=t|0;t=rotl(t,sr[i]);t=t+er|0;ar=er;er=dr;dr=rotl(cr,10);cr=br;br=t}t=H[1]+cl+dr|0;H[1]=H[2]+dl+er|0;H[2]=H[3]+el+ar|0;H[3]=H[4]+al+br|0;H[4]=H[0]+bl+cr|0;H[0]=t};function f1(x,y,z){return x^y^z}function f2(x,y,z){return x&y|~x&z}function f3(x,y,z){return(x|~y)^z}function f4(x,y,z){return x&z|y&~z}function f5(x,y,z){return x^(y|~z)}function rotl(x,n){return x<<n|x>>>32-n}function ripemd160(message){var H=[1732584193,4023233417,2562383102,271733878,3285377520];if(typeof message=="string")message=new Buffer(message,"utf8");var m=bytesToWords(message);var nBitsLeft=message.length*8;var nBitsTotal=message.length*8;m[nBitsLeft>>>5]|=128<<24-nBitsLeft%32;m[(nBitsLeft+64>>>9<<4)+14]=(nBitsTotal<<8|nBitsTotal>>>24)&16711935|(nBitsTotal<<24|nBitsTotal>>>8)&4278255360;for(var i=0;i<m.length;i+=16){processBlock(H,m,i)}for(var i=0;i<5;i++){var H_i=H[i];H[i]=(H_i<<8|H_i>>>24)&16711935|(H_i<<24|H_i>>>8)&4278255360}var digestbytes=wordsToBytes(H);return new Buffer(digestbytes)}}).call(this,require("buffer").Buffer)},{buffer:1}],10:[function(require,module,exports){var u=require("./util");var write=u.write;var fill=u.zeroFill;module.exports=function(Buffer){function Hash(blockSize,finalSize){this._block=new Buffer(blockSize);this._finalSize=finalSize;this._blockSize=blockSize;this._len=0;this._s=0}Hash.prototype.init=function(){this._s=0;this._len=0};function lengthOf(data,enc){if(enc==null)return data.byteLength||data.length;if(enc=="ascii"||enc=="binary")return data.length;if(enc=="hex")return data.length/2;if(enc=="base64")return data.length/3}Hash.prototype.update=function(data,enc){var bl=this._blockSize;var length;if(!enc&&"string"===typeof data)enc="utf8";if(enc){if(enc==="utf-8")enc="utf8";if(enc==="base64"||enc==="utf8")data=new Buffer(data,enc),enc=null;length=lengthOf(data,enc)}else length=data.byteLength||data.length;var l=this._len+=length;var s=this._s=this._s||0;var f=0;var buffer=this._block;while(s<l){var t=Math.min(length,f+bl-s%bl);write(buffer,data,enc,s%bl,f,t);var ch=t-f;s+=ch;f+=ch;if(!(s%bl))this._update(buffer)}this._s=s;return this};Hash.prototype.digest=function(enc){var bl=this._blockSize;var fl=this._finalSize;var len=this._len*8;var x=this._block;var bits=len%(bl*8);x[this._len%bl]=128;fill(this._block,this._len%bl+1);if(bits>=fl*8){this._update(this._block);u.zeroFill(this._block,0)}x.writeInt32BE(len,fl+4);var hash=this._update(this._block)||this._hash();if(enc==null)return hash;return hash.toString(enc)};Hash.prototype._update=function(){throw new Error("_update must be implemented by subclass")};return Hash}},{"./util":14}],11:[function(require,module,exports){var exports=module.exports=function(alg){var Alg=exports[alg];if(!Alg)throw new Error(alg+" is not supported (we accept pull requests)");return new Alg};var Buffer=require("buffer").Buffer;var Hash=require("./hash")(Buffer);exports.sha=exports.sha1=require("./sha1")(Buffer,Hash);exports.sha256=require("./sha256")(Buffer,Hash)},{"./hash":10,"./sha1":12,"./sha256":13,buffer:1}],12:[function(require,module,exports){module.exports=function(Buffer,Hash){var inherits=require("util").inherits;inherits(Sha1,Hash);var A=0|0;var B=4|0;var C=8|0;var D=12|0;var E=16|0;var BE=false;var LE=true;var W=new Int32Array(80);var POOL=[];function Sha1(){if(POOL.length)return POOL.pop().init();if(!(this instanceof Sha1))return new Sha1;this._w=W;Hash.call(this,16*4,14*4);this._h=null;this.init()}Sha1.prototype.init=function(){this._a=1732584193;this._b=4023233417;this._c=2562383102;this._d=271733878;this._e=3285377520;Hash.prototype.init.call(this);return this};Sha1.prototype._POOL=POOL;var isDV=new Buffer(1)instanceof DataView;function readInt32BE(X,i){return isDV?X.getInt32(i,false):X.readInt32BE(i)}Sha1.prototype._update=function(array){var X=this._block;var h=this._h;var a,b,c,d,e,_a,_b,_c,_d,_e;a=_a=this._a;b=_b=this._b;c=_c=this._c;d=_d=this._d;e=_e=this._e;var w=this._w;for(var j=0;j<80;j++){var W=w[j]=j<16?X.readInt32BE(j*4):rol(w[j-3]^w[j-8]^w[j-14]^w[j-16],1);var t=add(add(rol(a,5),sha1_ft(j,b,c,d)),add(add(e,W),sha1_kt(j)));e=d;d=c;c=rol(b,30);b=a;a=t}this._a=add(a,_a);this._b=add(b,_b);this._c=add(c,_c);this._d=add(d,_d);this._e=add(e,_e)};Sha1.prototype._hash=function(){if(POOL.length<100)POOL.push(this);var H=new Buffer(20);H.writeInt32BE(this._a|0,A);H.writeInt32BE(this._b|0,B);H.writeInt32BE(this._c|0,C);H.writeInt32BE(this._d|0,D);H.writeInt32BE(this._e|0,E);return H};function sha1_ft(t,b,c,d){if(t<20)return b&c|~b&d;if(t<40)return b^c^d;if(t<60)return b&c|b&d|c&d;return b^c^d}function sha1_kt(t){return t<20?1518500249:t<40?1859775393:t<60?-1894007588:-899497514}function add(x,y){return x+y|0}function rol(num,cnt){return num<<cnt|num>>>32-cnt}return Sha1}},{util:20}],13:[function(require,module,exports){var inherits=require("util").inherits;var BE=false;var LE=true;var u=require("./util");module.exports=function(Buffer,Hash){var K=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298];inherits(Sha256,Hash);var W=new Array(64);var POOL=[];function Sha256(){if(POOL.length){}this.init();this._w=W;Hash.call(this,16*4,14*4)}Sha256.prototype.init=function(){this._a=1779033703|0;this._b=3144134277|0;this._c=1013904242|0;this._d=2773480762|0;this._e=1359893119|0;this._f=2600822924|0;this._g=528734635|0;this._h=1541459225|0;this._len=this._s=0;return this};var safe_add=function(x,y){var lsw=(x&65535)+(y&65535);var msw=(x>>16)+(y>>16)+(lsw>>16);return msw<<16|lsw&65535};function S(X,n){return X>>>n|X<<32-n}function R(X,n){return X>>>n}function Ch(x,y,z){return x&y^~x&z}function Maj(x,y,z){return x&y^x&z^y&z}function Sigma0256(x){return S(x,2)^S(x,13)^S(x,22)}function Sigma1256(x){return S(x,6)^S(x,11)^S(x,25)}function Gamma0256(x){return S(x,7)^S(x,18)^R(x,3)}function Gamma1256(x){return S(x,17)^S(x,19)^R(x,10)}Sha256.prototype._update=function(m){var M=this._block;var W=this._w;var a,b,c,d,e,f,g,h;var T1,T2;a=this._a|0;b=this._b|0;c=this._c|0;d=this._d|0;e=this._e|0;f=this._f|0;g=this._g|0;h=this._h|0;for(var j=0;j<64;j++){var w=W[j]=j<16?M.readInt32BE(j*4):Gamma1256(W[j-2])+W[j-7]+Gamma0256(W[j-15])+W[j-16];T1=h+Sigma1256(e)+Ch(e,f,g)+K[j]+w;T2=Sigma0256(a)+Maj(a,b,c);h=g;g=f;f=e;e=d+T1;d=c;c=b;b=a;a=T1+T2}this._a=a+this._a|0;this._b=b+this._b|0;this._c=c+this._c|0;this._d=d+this._d|0;this._e=e+this._e|0;this._f=f+this._f|0;this._g=g+this._g|0;this._h=h+this._h|0};Sha256.prototype._hash=function(){if(POOL.length<10)POOL.push(this);var H=new Buffer(32);H.writeInt32BE(this._a,0);H.writeInt32BE(this._b,4);H.writeInt32BE(this._c,8);H.writeInt32BE(this._d,12);H.writeInt32BE(this._e,16);H.writeInt32BE(this._f,20);H.writeInt32BE(this._g,24);H.writeInt32BE(this._h,28);return H};return Sha256}},{"./util":14,util:20}],14:[function(require,module,exports){exports.write=write;exports.zeroFill=zeroFill;exports.toString=toString;function write(buffer,string,enc,start,from,to,LE){var l=to-from;if(enc==="ascii"||enc==="binary"){for(var i=0;i<l;i++){buffer[start+i]=string.charCodeAt(i+from)}}else if(enc==null){for(var i=0;i<l;i++){buffer[start+i]=string[i+from]}}else if(enc==="hex"){for(var i=0;i<l;i++){var j=from+i;buffer[start+i]=parseInt(string[j*2]+string[j*2+1],16)}}else if(enc==="base64"){throw new Error("base64 encoding not yet supported")}else throw new Error(enc+" encoding not yet supported")}function zeroFill(buf,from){for(var i=from;i<buf.length;i++)buf[i]=0}},{}],15:[function(require,module,exports){(function(Buffer){var blocksize=64;var zeroBuffer=new Buffer(blocksize);zeroBuffer.fill(0);module.exports=function(createHmac,exports){exports=exports||{};exports.pbkdf2=function(password,salt,iterations,keylen,cb){if("function"!==typeof cb)throw new Error("No callback provided to pbkdf2");setTimeout(function(){cb(null,exports.pbkdf2Sync(password,salt,iterations,keylen))})};exports.pbkdf2Sync=function(key,salt,iterations,keylen){if("number"!==typeof iterations)throw new TypeError("Iterations not a number");if(iterations<0)throw new TypeError("Bad iterations");if("number"!==typeof keylen)throw new TypeError("Key length not a number");if(keylen<0)throw new TypeError("Bad key length");var key=!Buffer.isBuffer(key)?new Buffer(key):key;if(key.length>blocksize){key=createHash(alg).update(key).digest()}else if(key.length<blocksize){key=Buffer.concat([key,zeroBuffer],blocksize)}var HMAC;var cplen,p=0,i=1,itmp=new Buffer(4),digtmp;var out=new Buffer(keylen);out.fill(0);while(keylen){if(keylen>20)cplen=20;else cplen=keylen;itmp[0]=i>>24&255;itmp[1]=i>>16&255;itmp[2]=i>>8&255;itmp[3]=i&255;HMAC=createHmac("sha1",key);HMAC.update(salt);HMAC.update(itmp);digtmp=HMAC.digest();digtmp.copy(out,p,0,cplen);for(var j=1;j<iterations;j++){HMAC=createHmac("sha1",key);HMAC.update(digtmp);digtmp=HMAC.digest();for(var k=0;k<cplen;k++){out[k]^=digtmp[k]}}keylen-=cplen;i++;p+=cplen}return out};return exports}}).call(this,require("buffer").Buffer)},{buffer:1}],16:[function(require,module,exports){(function(Buffer){(function(){module.exports=function(size){var bytes=new Buffer(size);crypto.getRandomValues(bytes);return bytes}})()}).call(this,require("buffer").Buffer)},{buffer:1}],17:[function(require,module,exports){if(typeof Object.create==="function"){module.exports=function inherits(ctor,superCtor){ctor.super_=superCtor;ctor.prototype=Object.create(superCtor.prototype,{constructor:{value:ctor,enumerable:false,writable:true,configurable:true}})}}else{module.exports=function inherits(ctor,superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype;ctor.prototype=new TempCtor;ctor.prototype.constructor=ctor}}},{}],18:[function(require,module,exports){var process=module.exports={};process.nextTick=function(){var canSetImmediate=typeof window!=="undefined"&&window.setImmediate;var canPost=typeof window!=="undefined"&&window.postMessage&&window.addEventListener;if(canSetImmediate){return function(f){return window.setImmediate(f)}}if(canPost){var queue=[];window.addEventListener("message",function(ev){var source=ev.source;if((source===window||source===null)&&ev.data==="process-tick"){ev.stopPropagation();if(queue.length>0){var fn=queue.shift();fn()}}},true);return function nextTick(fn){queue.push(fn);window.postMessage("process-tick","*")}}return function nextTick(fn){setTimeout(fn,0)}}();process.title="browser";process.browser=true;process.env={};process.argv=[];function noop(){}process.on=noop;process.addListener=noop;process.once=noop;process.off=noop;process.removeListener=noop;process.removeAllListeners=noop;process.emit=noop;process.binding=function(name){throw new Error("process.binding is not supported")};process.cwd=function(){return"/"};process.chdir=function(dir){throw new Error("process.chdir is not supported")}},{}],19:[function(require,module,exports){module.exports=function isBuffer(arg){return arg&&typeof arg==="object"&&typeof arg.copy==="function"&&typeof arg.fill==="function"&&typeof arg.readUInt8==="function"}},{}],20:[function(require,module,exports){(function(process,global){var formatRegExp=/%[sdj%]/g;exports.format=function(f){if(!isString(f)){var objects=[];for(var i=0;i<arguments.length;i++){objects.push(inspect(arguments[i]))}return objects.join(" ")}var i=1;var args=arguments;var len=args.length;var str=String(f).replace(formatRegExp,function(x){if(x==="%%")return"%";if(i>=len)return x;switch(x){case"%s":return String(args[i++]);case"%d":return Number(args[i++]);case"%j":try{return JSON.stringify(args[i++])}catch(_){return"[Circular]"}default:return x}});for(var x=args[i];i<len;x=args[++i]){if(isNull(x)||!isObject(x)){str+=" "+x}else{str+=" "+inspect(x)}}return str};exports.deprecate=function(fn,msg){if(isUndefined(global.process)){return function(){return exports.deprecate(fn,msg).apply(this,arguments)}}if(process.noDeprecation===true){return fn}var warned=false;function deprecated(){if(!warned){if(process.throwDeprecation){throw new Error(msg)}else if(process.traceDeprecation){console.trace(msg)}else{console.error(msg)}warned=true}return fn.apply(this,arguments)}return deprecated};var debugs={};var debugEnviron;exports.debuglog=function(set){if(isUndefined(debugEnviron))debugEnviron=process.env.NODE_DEBUG||"";set=set.toUpperCase();if(!debugs[set]){if(new RegExp("\\b"+set+"\\b","i").test(debugEnviron)){var pid=process.pid;debugs[set]=function(){var msg=exports.format.apply(exports,arguments);console.error("%s %d: %s",set,pid,msg)}}else{debugs[set]=function(){}}}return debugs[set]};function inspect(obj,opts){var ctx={seen:[],stylize:stylizeNoColor};if(arguments.length>=3)ctx.depth=arguments[2];if(arguments.length>=4)ctx.colors=arguments[3];if(isBoolean(opts)){ctx.showHidden=opts}else if(opts){exports._extend(ctx,opts)}if(isUndefined(ctx.showHidden))ctx.showHidden=false;if(isUndefined(ctx.depth))ctx.depth=2;if(isUndefined(ctx.colors))ctx.colors=false;if(isUndefined(ctx.customInspect))ctx.customInspect=true;if(ctx.colors)ctx.stylize=stylizeWithColor;return formatValue(ctx,obj,ctx.depth)}exports.inspect=inspect;inspect.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]};inspect.styles={special:"cyan",number:"yellow","boolean":"yellow",undefined:"grey","null":"bold",string:"green",date:"magenta",regexp:"red"};function stylizeWithColor(str,styleType){var style=inspect.styles[styleType];if(style){return"["+inspect.colors[style][0]+"m"+str+"["+inspect.colors[style][1]+"m"}else{return str}}function stylizeNoColor(str,styleType){return str}function arrayToHash(array){var hash={};array.forEach(function(val,idx){hash[val]=true});return hash}function formatValue(ctx,value,recurseTimes){if(ctx.customInspect&&value&&isFunction(value.inspect)&&value.inspect!==exports.inspect&&!(value.constructor&&value.constructor.prototype===value)){var ret=value.inspect(recurseTimes,ctx);if(!isString(ret)){ret=formatValue(ctx,ret,recurseTimes)}return ret}var primitive=formatPrimitive(ctx,value);if(primitive){return primitive}var keys=Object.keys(value);var visibleKeys=arrayToHash(keys);if(ctx.showHidden){keys=Object.getOwnPropertyNames(value)}if(isError(value)&&(keys.indexOf("message")>=0||keys.indexOf("description")>=0)){return formatError(value)}if(keys.length===0){if(isFunction(value)){var name=value.name?": "+value.name:"";return ctx.stylize("[Function"+name+"]","special")}if(isRegExp(value)){return ctx.stylize(RegExp.prototype.toString.call(value),"regexp")}if(isDate(value)){return ctx.stylize(Date.prototype.toString.call(value),"date")}if(isError(value)){return formatError(value)}}var base="",array=false,braces=["{","}"];if(isArray(value)){array=true;braces=["[","]"]}if(isFunction(value)){var n=value.name?": "+value.name:"";base=" [Function"+n+"]"}if(isRegExp(value)){base=" "+RegExp.prototype.toString.call(value)}if(isDate(value)){base=" "+Date.prototype.toUTCString.call(value)}if(isError(value)){base=" "+formatError(value)}if(keys.length===0&&(!array||value.length==0)){return braces[0]+base+braces[1]}if(recurseTimes<0){if(isRegExp(value)){return ctx.stylize(RegExp.prototype.toString.call(value),"regexp")}else{return ctx.stylize("[Object]","special")}}ctx.seen.push(value);var output;if(array){output=formatArray(ctx,value,recurseTimes,visibleKeys,keys)}else{output=keys.map(function(key){return formatProperty(ctx,value,recurseTimes,visibleKeys,key,array)})}ctx.seen.pop();return reduceToSingleString(output,base,braces)}function formatPrimitive(ctx,value){if(isUndefined(value))return ctx.stylize("undefined","undefined");if(isString(value)){var simple="'"+JSON.stringify(value).replace(/^"|"$/g,"").replace(/'/g,"\\'").replace(/\\"/g,'"')+"'";return ctx.stylize(simple,"string")}if(isNumber(value))return ctx.stylize(""+value,"number");if(isBoolean(value))return ctx.stylize(""+value,"boolean");if(isNull(value))return ctx.stylize("null","null")}function formatError(value){return"["+Error.prototype.toString.call(value)+"]"}function formatArray(ctx,value,recurseTimes,visibleKeys,keys){var output=[];for(var i=0,l=value.length;i<l;++i){if(hasOwnProperty(value,String(i))){output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,String(i),true))}else{output.push("")}}keys.forEach(function(key){if(!key.match(/^\d+$/)){output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,key,true))}});return output}function formatProperty(ctx,value,recurseTimes,visibleKeys,key,array){var name,str,desc;desc=Object.getOwnPropertyDescriptor(value,key)||{value:value[key]};if(desc.get){if(desc.set){str=ctx.stylize("[Getter/Setter]","special")}else{str=ctx.stylize("[Getter]","special")}}else{if(desc.set){str=ctx.stylize("[Setter]","special")}}if(!hasOwnProperty(visibleKeys,key)){name="["+key+"]"}if(!str){if(ctx.seen.indexOf(desc.value)<0){if(isNull(recurseTimes)){str=formatValue(ctx,desc.value,null)}else{str=formatValue(ctx,desc.value,recurseTimes-1)}if(str.indexOf("\n")>-1){if(array){str=str.split("\n").map(function(line){return"  "+line}).join("\n").substr(2)}else{str="\n"+str.split("\n").map(function(line){return"   "+line}).join("\n")}}}else{str=ctx.stylize("[Circular]","special")}}if(isUndefined(name)){if(array&&key.match(/^\d+$/)){return str}name=JSON.stringify(""+key);if(name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)){name=name.substr(1,name.length-2);name=ctx.stylize(name,"name")}else{name=name.replace(/'/g,"\\'").replace(/\\"/g,'"').replace(/(^"|"$)/g,"'");name=ctx.stylize(name,"string")}}return name+": "+str}function reduceToSingleString(output,base,braces){var numLinesEst=0;var length=output.reduce(function(prev,cur){numLinesEst++;if(cur.indexOf("\n")>=0)numLinesEst++;return prev+cur.replace(/\u001b\[\d\d?m/g,"").length+1},0);if(length>60){return braces[0]+(base===""?"":base+"\n ")+" "+output.join(",\n  ")+" "+braces[1]}return braces[0]+base+" "+output.join(", ")+" "+braces[1]}function isArray(ar){return Array.isArray(ar)}exports.isArray=isArray;function isBoolean(arg){return typeof arg==="boolean"}exports.isBoolean=isBoolean;function isNull(arg){return arg===null}exports.isNull=isNull;function isNullOrUndefined(arg){return arg==null}exports.isNullOrUndefined=isNullOrUndefined;function isNumber(arg){return typeof arg==="number"}exports.isNumber=isNumber;function isString(arg){return typeof arg==="string"}exports.isString=isString;function isSymbol(arg){return typeof arg==="symbol"}exports.isSymbol=isSymbol;function isUndefined(arg){return arg===void 0}exports.isUndefined=isUndefined;function isRegExp(re){return isObject(re)&&objectToString(re)==="[object RegExp]"}exports.isRegExp=isRegExp;function isObject(arg){return typeof arg==="object"&&arg!==null}exports.isObject=isObject;function isDate(d){return isObject(d)&&objectToString(d)==="[object Date]"}exports.isDate=isDate;function isError(e){return isObject(e)&&(objectToString(e)==="[object Error]"||e instanceof Error)}exports.isError=isError;function isFunction(arg){return typeof arg==="function"}exports.isFunction=isFunction;function isPrimitive(arg){return arg===null||typeof arg==="boolean"||typeof arg==="number"||typeof arg==="string"||typeof arg==="symbol"||typeof arg==="undefined"}exports.isPrimitive=isPrimitive;exports.isBuffer=require("./support/isBuffer");function objectToString(o){return Object.prototype.toString.call(o)}function pad(n){return n<10?"0"+n.toString(10):n.toString(10)}var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];function timestamp(){var d=new Date;var time=[pad(d.getHours()),pad(d.getMinutes()),pad(d.getSeconds())].join(":");return[d.getDate(),months[d.getMonth()],time].join(" ")}exports.log=function(){console.log("%s - %s",timestamp(),exports.format.apply(exports,arguments))};exports.inherits=require("inherits");exports._extend=function(origin,add){if(!add||!isObject(add))return origin;var keys=Object.keys(add);var i=keys.length;while(i--){origin[keys[i]]=add[keys[i]]}return origin};function hasOwnProperty(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}}).call(this,require("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./support/isBuffer":19,_process:18,inherits:17}],21:[function(require,module,exports){var Buffer=require("buffer").Buffer;var CRC_TABLE=[0,1996959894,3993919788,2567524794,124634137,1886057615,3915621685,2657392035,249268274,2044508324,3772115230,2547177864,162941995,2125561021,3887607047,2428444049,498536548,1789927666,4089016648,2227061214,450548861,1843258603,4107580753,2211677639,325883990,1684777152,4251122042,2321926636,335633487,1661365465,4195302755,2366115317,997073096,1281953886,3579855332,2724688242,1006888145,1258607687,3524101629,2768942443,901097722,1119000684,3686517206,2898065728,853044451,1172266101,3705015759,2882616665,651767980,1373503546,3369554304,3218104598,565507253,1454621731,3485111705,3099436303,671266974,1594198024,3322730930,2970347812,795835527,1483230225,3244367275,3060149565,1994146192,31158534,2563907772,4023717930,1907459465,112637215,2680153253,3904427059,2013776290,251722036,2517215374,3775830040,2137656763,141376813,2439277719,3865271297,1802195444,476864866,2238001368,4066508878,1812370925,453092731,2181625025,4111451223,1706088902,314042704,2344532202,4240017532,1658658271,366619977,2362670323,4224994405,1303535960,984961486,2747007092,3569037538,1256170817,1037604311,2765210733,3554079995,1131014506,879679996,2909243462,3663771856,1141124467,855842277,2852801631,3708648649,1342533948,654459306,3188396048,3373015174,1466479909,544179635,3110523913,3462522015,1591671054,702138776,2966460450,3352799412,1504918807,783551873,3082640443,3233442989,3988292384,2596254646,62317068,1957810842,3939845945,2647816111,81470997,1943803523,3814918930,2489596804,225274430,2053790376,3826175755,2466906013,167816743,2097651377,4027552580,2265490386,503444072,1762050814,4150417245,2154129355,426522225,1852507879,4275313526,2312317920,282753626,1742555852,4189708143,2394877945,397917763,1622183637,3604390888,2714866558,953729732,1340076626,3518719985,2797360999,1068828381,1219638859,3624741850,2936675148,906185462,1090812512,3747672003,2825379669,829329135,1181335161,3412177804,3160834842,628085408,1382605366,3423369109,3138078467,570562233,1426400815,3317316542,2998733608,733239954,1555261956,3268935591,3050360625,752459403,1541320221,2607071920,3965973030,1969922972,40735498,2617837225,3943577151,1913087877,83908371,2512341634,3803740692,2075208622,213261112,2463272603,3855990285,2094854071,198958881,2262029012,4057260610,1759359992,534414190,2176718541,4139329115,1873836001,414664567,2282248934,4279200368,1711684554,285281116,2405801727,4167216745,1634467795,376229701,2685067896,3608007406,1308918612,956543938,2808555105,3495958263,1231636301,1047427035,2932959818,3654703836,1088359270,936918e3,2847714899,3736837829,1202900863,817233897,3183342108,3401237130,1404277552,615818150,3134207493,3453421203,1423857449,601450431,3009837614,3294710456,1567103746,711928724,3020668471,3272380065,1510334235,755167117];function bufferizeInt(num){var tmp=Buffer(4);tmp.writeInt32BE(num,0);return tmp}function _crc32(buf){if(!Buffer.isBuffer(buf))buf=Buffer(buf);var crc=4294967295;for(var n=0;n<buf.length;n++){crc=CRC_TABLE[(crc^buf[n])&255]^crc>>>8}return crc^4294967295}function crc32(){return bufferizeInt(_crc32.apply(null,arguments))}crc32.signed=function(){return _crc32.apply(null,arguments)};crc32.unsigned=function(){return crc32.apply(null,arguments).readUInt32BE(0)};module.exports=crc32},{buffer:1}],simhash:[function(require,module,exports){(function(Buffer){var crypto=require("crypto");var crc32=require("buffer-crc32");function Simhash(algorithm){this.algorithm=algorithm;if(!algorithm){this.algorithm="crc32"}var tmp=this._hashBuffer(new Buffer(""));if(typeof tmp==="number"){this.hashLength=32}else{this.hashLength=tmp.length*8}this._hashed=[]}Simhash.prototype._accumulateNumber=function(input){};Simhash.prototype._accumulate=function(input){var self=this;var accumulated=new Array(this.hashLength);var i=this.hashLength;while(--i>=0){accumulated[i]=0}if(typeof input[0]==="number"){i=input.length;while(--i>=0){var data=input[i];var j=this.hashLength;while(--j>=0){accumulated[j]+=data&1<<j?1:-1}}}else{i=input.length;while(--i>=0){var buf=input[i];var j=0;var l=buf.length-1;while(j<self.hashLength){for(var k=0;k<8;++k){accumulated[j]+=buf[l]&1<<k?1:-1;j++}l--}}}return accumulated};Simhash.prototype._hashBuffer=function(buffer){if(this.algorithm==="crc32"){return crc32.signed(buffer)}var hash=crypto.createHash(this.algorithm);hash.update(buffer.toString("binary"),"binary");return new Buffer(hash.digest("binary"),"binary")};Simhash.prototype.hash=function(tokens){this._hashed.length=tokens.length;for(var i=0;i<tokens.length;++i){this._hashed[i]=this._hashBuffer(tokens[i])}var result=this._accumulate(this._hashed);for(var i=0;i<result.length;++i){result[i]=result[i]>0?1:0}return result};module.exports=function(algorithm){var simhash=new Simhash(algorithm);return simhash.hash.bind(simhash)};module.exports.Simhash=Simhash}).call(this,require("buffer").Buffer)},{buffer:1,"buffer-crc32":21,crypto:7}]},{},[]);require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({"js-big-integer":[function(require,module,exports){(function(exports){"use strict";var floor=Math.floor;var parseInteger=function(s,from,to,radix){var i=from-1;var n=0;var y=radix<10?radix:10;while(++i<to){var code=s.charCodeAt(i);var v=code-48;if(v<0||y<=v){v=10-65+code;if(v<10||radix<=v){v=10-97+code;if(v<10||radix<=v){throw new RangeError}}}n=n*radix+v}return n};var base=67108864;var createArray=function(length){var x=new Array(length);if(x.length!==length){x.length=length}var i=-1;while(++i<length){x[i]=0}return x};var getLength=function(a,length){var k=length;while(k>0&&a[k-1]===0){k-=1}return k};var performMultiplication=function(carry,a,b,result,index){var c=carry+a*b;var q=floor(c/base);result[index]=c-q*base;return q};var performDivision=function(a,b,divisor,result,index){var carry=a*base+b;var q=floor(carry/divisor);result[index]=q;return carry-q*divisor};var checkRadix=function(radix){if(radix<2||radix>36){throw new RangeError("radix argument must be between 2 and 36")}};var convertRadix=function(magnitude,size,radix){var i=-1;while(++i<size){var j=-1;var c=magnitude[i];magnitude[i]=0;while(++j<i+1){c=performMultiplication(c,magnitude[j],radix,magnitude,j)
}}};function BigInteger(s,radix,m){var sign=1;var magnitude=null;var magnitudeLength=0;if(m!==undefined){sign=radix<0?-1:1;magnitude=m;magnitudeLength=sign*radix}else{if(radix===undefined){radix=10}if(radix!==Number(radix)||floor(radix)!==radix){throw new RangeError}checkRadix(radix);var length=s.length;if(length===0){throw new RangeError}var signCharCode=s.charCodeAt(0);var from=0;if(signCharCode===43){from=1}if(signCharCode===45){from=1;sign=-1}length-=from;if(length===0){throw new RangeError}var groupLength=0;var groupRadix=1;var y=floor(base/radix);while(y>=groupRadix&&groupLength<length){groupLength+=1;groupRadix*=radix}var size=floor((length-1)/groupLength)+1;magnitude=createArray(size);var k=size;var i=length;while(i>0){k-=1;magnitude[k]=parseInteger(s,from+(i>groupLength?i-groupLength:0),from+i,radix);i-=groupLength}convertRadix(magnitude,size,groupRadix);magnitudeLength=getLength(magnitude,size)}this.signum=magnitudeLength===0?0:sign;this.magnitude=magnitude;this.length=magnitudeLength}var createBigInteger=function(signum,magnitude,length){return new BigInteger("",signum*length,magnitude)};var compareMagnitude=function(aMagnitude,aLength,bMagnitude,bLength){if(aLength!==bLength){return aLength<bLength?-1:+1}var i=aLength;while(--i>=0){if(aMagnitude[i]!==bMagnitude[i]){return aMagnitude[i]<bMagnitude[i]?-1:+1}}return 0};var compareTo=function(aSignum,aMagnitude,aLength,bSignum,bMagnitude,bLength){if(aSignum===bSignum){var c=compareMagnitude(aMagnitude,aLength,bMagnitude,bLength);if(c===0){return c}return aSignum*c}if(aSignum===0){return-bSignum}return aSignum};var add=function(aSignum,aMagnitude,aLength,bSignum,bMagnitude,bLength){var z=compareMagnitude(aMagnitude,aLength,bMagnitude,bLength);if(z>0){return add(bSignum,bMagnitude,bLength,aSignum,aMagnitude,aLength)}if(aSignum===0){return createBigInteger(bSignum,bMagnitude,bLength)}var subtract=false;if(aSignum!==bSignum){if(z===0){return createBigInteger(0,createArray(0),0)}subtract=true;if(aLength===bLength){while(bLength>0&&aMagnitude[bLength-1]===bMagnitude[bLength-1]){bLength-=1}}}var resultLength=bLength+(subtract?0:1);var result=createArray(resultLength);var i=-1;var c=0;while(++i<bLength){c+=i<aLength?subtract?bMagnitude[i]-aMagnitude[i]:bMagnitude[i]+aMagnitude[i]:bMagnitude[i];if(c<0){result[i]=base+c;c=-1}else if(c<base){result[i]=c;c=0}else{result[i]=c-base;c=+1}}if(c!==0){result[bLength]=c}return createBigInteger(bSignum,result,getLength(result,resultLength))};var multiply=function(aSignum,aMagnitude,aLength,bSignum,bMagnitude,bLength){if(aLength===0||bLength===0){return createBigInteger(0,createArray(0),0)}var resultSign=aSignum*bSignum;if(aLength===1&&aMagnitude[0]===1){return createBigInteger(resultSign,bMagnitude,bLength)}if(bLength===1&&bMagnitude[0]===1){return createBigInteger(resultSign,aMagnitude,aLength)}var resultLength=aLength+bLength;var result=createArray(resultLength);var i=-1;while(++i<bLength){var c=0;var j=-1;while(++j<aLength){c=performMultiplication(c+result[j+i],aMagnitude[j],bMagnitude[i],result,j+i)}result[aLength+i]=c}return createBigInteger(resultSign,result,getLength(result,resultLength))};var divideBySmall=function(magnitude,length,lambda){var c=0;var i=length;while(--i>=0){c=performDivision(c,magnitude[i],lambda,magnitude,i)}return c};var multiplyBySmall=function(magnitude,length,lambda){var c=0;var i=-1;while(++i<length){c=performMultiplication(c,magnitude[i],lambda,magnitude,i)}magnitude[length]=c};var divideAndRemainder=function(aSignum,aMagnitude,aLength,bSignum,bMagnitude,bLength,divide){if(bLength===0){throw new RangeError}if(aLength===0){return createBigInteger(0,createArray(0),0)}if(bLength===1&&bMagnitude[0]===1){return divide?createBigInteger(aSignum===0?0:aSignum*bSignum,aMagnitude,aLength):createBigInteger(0,createArray(0),0)}var divisorOffset=aLength+1;var divisorAndRemainder=createArray(divisorOffset+bLength+1);var divisor=divisorAndRemainder;var remainder=divisorAndRemainder;var n=aLength;while(--n>=0){remainder[n]=aMagnitude[n]}var m=bLength;while(--m>=0){divisor[divisorOffset+m]=bMagnitude[m]}var top=divisor[divisorOffset+bLength-1];var lambda=1;if(bLength>1){lambda=floor(base/(top+1));if(lambda>1){multiplyBySmall(divisorAndRemainder,divisorOffset+bLength,lambda);top=divisor[divisorOffset+bLength-1]}if(top<floor(base/2)){throw new RangeError}}var shift=aLength-bLength+1;if(shift<0){shift=0}var quotinent=null;var quotinentLength=0;var i=shift;while(--i>=0){var t=bLength+i;var tmp=remainder[t];performDivision(remainder[t],remainder[t-1],top,remainder,t);var q=remainder[t];remainder[t]=tmp;var ax=0;var bx=0;var j=i-1;while(++j<=t){var rj=remainder[j];bx=performMultiplication(bx,q,divisor[divisorOffset+j-i],remainder,j);ax+=rj-remainder[j];if(ax<0){remainder[j]=base+ax;ax=-1}else{remainder[j]=ax;ax=0}}while(ax!==0){q-=1;var c=0;var k=i-1;while(++k<=t){c+=remainder[k]+divisor[divisorOffset+k-i];if(c<base){remainder[k]=c;c=0}else{remainder[k]=c-base;c=+1}}ax+=c}if(divide&&q!==0){if(quotinent===null){quotinentLength=i+1;quotinent=createArray(quotinentLength)}quotinent[i]=q}}if(divide){if(quotinent===null){return createBigInteger(0,createArray(0),0)}return createBigInteger(aSignum*bSignum,quotinent,quotinentLength)}var remainderLength=aLength+1;if(lambda>1){divideBySmall(remainder,remainderLength,lambda)}while(remainderLength>0&&remainder[remainderLength-1]===0){remainderLength-=1}if(remainderLength===0){return createBigInteger(0,createArray(0),0)}var result=createArray(remainderLength);var o=remainderLength;while(--o>=0){result[o]=remainder[o]}return createBigInteger(aSignum,result,remainderLength)};var toString=function(signum,magnitude,length,radix){var result=signum<0?"-":"";var remainderLength=length;if(remainderLength===0){return"0"}if(remainderLength===1){result+=magnitude[0].toString(radix);return result}var groupLength=0;var groupRadix=1;var y=floor(base/radix);while(y>=groupRadix){groupLength+=1;groupRadix*=radix}var size=remainderLength+floor((remainderLength-1)/groupLength)+1;var remainder=createArray(size);var n=-1;while(++n<remainderLength){remainder[n]=magnitude[n]}var k=size;while(remainderLength!==0){var q=divideBySmall(remainder,remainderLength,groupRadix);while(remainderLength!==0&&remainder[remainderLength-1]===0){remainderLength-=1}k-=1;remainder[k]=q}result+=remainder[k].toString(radix);while(++k<size){var t=remainder[k].toString(radix);var j=groupLength-t.length;while(--j>=0){result+="0"}result+=t}return result};BigInteger.prototype.compareTo=function(b){return compareTo(this.signum,this.magnitude,this.length,b.signum,b.magnitude,b.length)};BigInteger.prototype.negate=function(){return createBigInteger(0-this.signum,this.magnitude,this.length)};BigInteger.prototype.add=function(b){return add(this.signum,this.magnitude,this.length,b.signum,b.magnitude,b.length)};BigInteger.prototype.subtract=function(b){return add(this.signum,this.magnitude,this.length,0-b.signum,b.magnitude,b.length)};BigInteger.prototype.multiply=function(b){return multiply(this.signum,this.magnitude,this.length,b.signum,b.magnitude,b.length)};BigInteger.prototype.divide=function(b){return divideAndRemainder(this.signum,this.magnitude,this.length,b.signum,b.magnitude,b.length,true)};BigInteger.prototype.remainder=function(b){return divideAndRemainder(this.signum,this.magnitude,this.length,b.signum,b.magnitude,b.length,false)};BigInteger.prototype.toString=function(radix){if(radix===undefined){radix=10}if(radix!==Number(radix)||floor(radix)!==radix){throw new RangeError}checkRadix(radix);return toString(this.signum,this.magnitude,this.length,radix)};var ZERO=createBigInteger(0,createArray(0),0);var oneMagnitude=createArray(1);oneMagnitude[0]=1;var ONE=createBigInteger(1,oneMagnitude,1);BigInteger.ZERO=ZERO;BigInteger.ONE=ONE;exports.BigInteger=BigInteger})(this)},{}]},{},[]);var simhash=require("simhash")();var ConvertBase=require("convert-base");var converter=new ConvertBase;var perc=function(i,j){return+i/+j*100};var bigInt=require("js-big-integer").BigInteger;var result1=simhash(["The cat sat on the mat"]);var binaryStr1=result1.join("");var bigNum1=new bigInt(binaryStr1,2);var num1=+bigNum1.toString();var result2=simhash(["The cat sat on a mat"]);var binaryStr2=result2.join("");var bigNum2=new bigInt(binaryStr2,2);var num2=+bigNum2.toString();console.log(binaryStr1,binaryStr2);console.log("documents are "+perc(bigNum2.subtract(bigNum1).toString(),num1)+" similar");

package.json

{
  "name": "requirebin-sketch",
  "version": "1.0.0",
  "dependencies": {
    "convert-base": "0.1.0",
    "simhash": "0.1.0",
    "js-big-integer": "1.0.2"
  }
}

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