CryptoJS.lib.Cipher||(function(undefined){var C=CryptoJS;var C_lib=C.lib;var Base=C_lib.Base;var WordArray=C_lib.WordArray;var BufferedBlockAlgorithm=C_lib.BufferedBlockAlgorithm;var C_enc=C.enc;var Utf8=C_enc.Utf8;var Base64=C_enc.Base64;var C_algo=C.algo;var EvpKDF=C_algo.EvpKDF;var Cipher=C_lib.Cipher=BufferedBlockAlgorithm.extend({cfg:Base.extend(),createEncryptor:function(key,cfg){return this.create(this._ENC_XFORM_MODE,key,cfg)},createDecryptor:function(key,cfg){return this.create(this._DEC_XFORM_MODE,key,cfg)},init:function(xformMode,key,cfg){this.cfg=this.cfg.extend(cfg);this._xformMode=xformMode;this._key=key;this.reset()},reset:function(){BufferedBlockAlgorithm.reset.call(this);this._doReset()},process:function(dataUpdate){this._append(dataUpdate);return this._process()},finalize:function(dataUpdate){if(dataUpdate){this._append(dataUpdate)}var finalProcessedData=this._doFinalize();return finalProcessedData},keySize:128/32,ivSize:128/32,_ENC_XFORM_MODE:1,_DEC_XFORM_MODE:2,_createHelper:(function(){function selectCipherStrategy(key){if(typeof key=="string"){return PasswordBasedCipher}else{return SerializableCipher}}return function(cipher){return{encrypt:function(message,key,cfg){return selectCipherStrategy(key).encrypt(cipher,message,key,cfg)},decrypt:function(ciphertext,key,cfg){return selectCipherStrategy(key).decrypt(cipher,ciphertext,key,cfg)}}}}())});var StreamCipher=C_lib.StreamCipher=Cipher.extend({_doFinalize:function(){var finalProcessedBlocks=this._process(!!"flush");return finalProcessedBlocks},blockSize:1});var C_mode=C.mode={};var BlockCipherMode=C_lib.BlockCipherMode=Base.extend({createEncryptor:function(cipher,iv){return this.Encryptor.create(cipher,iv)},createDecryptor:function(cipher,iv){return this.Decryptor.create(cipher,iv)},init:function(cipher,iv){this._cipher=cipher;this._iv=iv}});var CBC=C_mode.CBC=(function(){var CBC=BlockCipherMode.extend();CBC.Encryptor=CBC.extend({processBlock:function(words,offset){var cipher=this._cipher;var blockSize=cipher.blockSize;xorBlock.call(this,words,offset,blockSize);cipher.encryptBlock(words,offset);this._prevBlock=words.slice(offset,offset+blockSize)}});CBC.Decryptor=CBC.extend({processBlock:function(words,offset){var cipher=this._cipher;var blockSize=cipher.blockSize;var thisBlock=words.slice(offset,offset+blockSize);cipher.decryptBlock(words,offset);xorBlock.call(this,words,offset,blockSize);this._prevBlock=thisBlock}});function xorBlock(words,offset,blockSize){var iv=this._iv;if(iv){var block=iv;this._iv=undefined}else{var block=this._prevBlock}for(var i=0;i>>2]&255;data.sigBytes-=nPaddingBytes}};var BlockCipher=C_lib.BlockCipher=Cipher.extend({cfg:Cipher.cfg.extend({mode:CBC,padding:Pkcs7}),reset:function(){Cipher.reset.call(this);var cfg=this.cfg;var iv=cfg.iv;var mode=cfg.mode;if(this._xformMode==this._ENC_XFORM_MODE){var modeCreator=mode.createEncryptor}else{var modeCreator=mode.createDecryptor;this._minBufferSize=1}this._mode=modeCreator.call(mode,this,iv&&iv.words)},_doProcessBlock:function(words,offset){this._mode.processBlock(words,offset)},_doFinalize:function(){var padding=this.cfg.padding;if(this._xformMode==this._ENC_XFORM_MODE){padding.pad(this._data,this.blockSize);var finalProcessedBlocks=this._process(!!"flush")}else{var finalProcessedBlocks=this._process(!!"flush");padding.unpad(finalProcessedBlocks)}return finalProcessedBlocks},blockSize:128/32});var CipherParams=C_lib.CipherParams=Base.extend({init:function(cipherParams){this.mixIn(cipherParams)},toString:function(formatter){return(formatter||this.formatter).stringify(this)}});var C_format=C.format={};var OpenSSLFormatter=C_format.OpenSSL={stringify:function(cipherParams){var ciphertext=cipherParams.ciphertext;var salt=cipherParams.salt;if(salt){var wordArray=WordArray.create([1398893684,1701076831]).concat(salt).concat(ciphertext)}else{var wordArray=ciphertext}return wordArray.toString(Base64)},parse:function(openSSLStr){var ciphertext=Base64.parse(openSSLStr);var ciphertextWords=ciphertext.words;if(ciphertextWords[0]==1398893684&&ciphertextWords[1]==1701076831){var salt=WordArray.create(ciphertextWords.slice(2,4));ciphertextWords.splice(0,4);ciphertext.sigBytes-=16}return CipherParams.create({ciphertext:ciphertext,salt:salt})}};var SerializableCipher=C_lib.SerializableCipher=Base.extend({cfg:Base.extend({format:OpenSSLFormatter}),encrypt:function(cipher,message,key,cfg){cfg=this.cfg.extend(cfg);var encryptor=cipher.createEncryptor(key,cfg);var ciphertext=encryptor.finalize(message);var cipherCfg=encryptor.cfg;return CipherParams.create({ciphertext:ciphertext,key:key,iv:cipherCfg.iv,algorithm:cipher,mode:cipherCfg.mode,padding:cipherCfg.padding,blockSize:cipher.blockSize,formatter:cfg.format})},decrypt:function(cipher,ciphertext,key,cfg){cfg=this.cfg.extend(cfg);ciphertext=this._parse(ciphertext,cfg.format);var plaintext=cipher.createDecryptor(key,cfg).finalize(ciphertext.ciphertext);return plaintext},_parse:function(ciphertext,format){if(typeof ciphertext=="string"){return format.parse(ciphertext,this)}else{return ciphertext}}});var C_kdf=C.kdf={};var OpenSSLKdf=C_kdf.OpenSSL={execute:function(password,keySize,ivSize,salt){if(!salt){salt=WordArray.random(64/8)}var key=EvpKDF.create({keySize:keySize+ivSize}).compute(password,salt);var iv=WordArray.create(key.words.slice(keySize),ivSize*4);key.sigBytes=keySize*4;return CipherParams.create({key:key,iv:iv,salt:salt})}};var PasswordBasedCipher=C_lib.PasswordBasedCipher=SerializableCipher.extend({cfg:SerializableCipher.cfg.extend({kdf:OpenSSLKdf}),encrypt:function(cipher,message,password,cfg){cfg=this.cfg.extend(cfg);var derivedParams=cfg.kdf.execute(password,cipher.keySize,cipher.ivSize);cfg.iv=derivedParams.iv;var ciphertext=SerializableCipher.encrypt.call(this,cipher,message,derivedParams.key,cfg);ciphertext.mixIn(derivedParams);return ciphertext},decrypt:function(cipher,ciphertext,password,cfg){cfg=this.cfg.extend(cfg);ciphertext=this._parse(ciphertext,cfg.format);var derivedParams=cfg.kdf.execute(password,cipher.keySize,cipher.ivSize,ciphertext.salt);cfg.iv=derivedParams.iv;var plaintext=SerializableCipher.decrypt.call(this,cipher,ciphertext,derivedParams.key,cfg);return plaintext}})}());