welsonjs/lib/crypto-js/cipher-core.min.js

!function(e,t){"object"==typeof exports?module.exports=exports=t(require("./core"),require("./evpkdf")):"function"==typeof define&&define.amd?define(["./core","./evpkdf"],t):t(e.CryptoJS)}(this,function(m){m.lib.Cipher||function(){var e=m,t=e.lib,r=t.Base,a=t.WordArray,i=t.BufferedBlockAlgorithm,n=e.enc,c=(n.Utf8,n.Base64),o=e.algo.EvpKDF,s=t.Cipher=i.extend({cfg:r.extend(),createEncryptor:function(e,t){return this.create(this._ENC_XFORM_MODE,e,t)},createDecryptor:function(e,t){return this.create(this._DEC_XFORM_MODE,e,t)},init:function(e,t,r){this.cfg=this.cfg.extend(r),this._xformMode=e,this._key=t,this.reset()},reset:function(){i.reset.call(this),this._doReset()},process:function(e){return this._append(e),this._process()},finalize:function(e){return e&&this._append(e),this._doFinalize()},keySize:4,ivSize:4,_ENC_XFORM_MODE:1,_DEC_XFORM_MODE:2,_createHelper:function(i){return{encrypt:function(e,t,r){return f(t).encrypt(i,e,t,r)},decrypt:function(e,t,r){return f(t).decrypt(i,e,t,r)}}}});function f(e){return"string"==typeof e?g:k}t.StreamCipher=s.extend({_doFinalize:function(){return this._process(!0)},blockSize:1});var p,d=e.mode={},h=t.BlockCipherMode=r.extend({createEncryptor:function(e,t){return this.Encryptor.create(e,t)},createDecryptor:function(e,t){return this.Decryptor.create(e,t)},init:function(e,t){this._cipher=e,this._iv=t}}),u=d.CBC=((p=h.extend()).Encryptor=p.extend({processBlock:function(e,t){var r=this._cipher,i=r.blockSize;l.call(this,e,t,i),r.encryptBlock(e,t),this._prevBlock=e.slice(t,t+i)}}),p.Decryptor=p.extend({processBlock:function(e,t){var r=this._cipher,i=r.blockSize,n=e.slice(t,t+i);r.decryptBlock(e,t),l.call(this,e,t,i),this._prevBlock=n}}),p);function l(e,t,r){var i=this._iv;if(i){var n=i;this._iv=void 0}else n=this._prevBlock;for(var c=0;c<r;c++)e[t+c]^=n[c]}var _=(e.pad={}).Pkcs7={pad:function(e,t){for(var r=4*t,i=r-e.sigBytes%r,n=i<<24|i<<16|i<<8|i,c=[],o=0;o<i;o+=4)c.push(n);var s=a.create(c,i);e.concat(s)},unpad:function(e){var t=255&e.words[e.sigBytes-1>>>2];e.sigBytes-=t}},y=(t.BlockCipher=s.extend({cfg:s.cfg.extend({mode:u,padding:_}),reset:function(){s.reset.call(this);var e=this.cfg,t=e.iv,r=e.mode;if(this._xformMode==this._ENC_XFORM_MODE)var i=r.createEncryptor;else{i=r.createDecryptor;this._minBufferSize=1}this._mode&&this._mode.__creator==i?this._mode.init(this,t&&t.words):(this._mode=i.call(r,this,t&&t.words),this._mode.__creator=i)},_doProcessBlock:function(e,t){this._mode.processBlock(e,t)},_doFinalize:function(){var e=this.cfg.padding;if(this._xformMode==this._ENC_XFORM_MODE){e.pad(this._data,this.blockSize);var t=this._process(!0)}else{t=this._process(!0);e.unpad(t)}return t},blockSize:4}),t.CipherParams=r.extend({init:function(e){this.mixIn(e)},toString:function(e){return(e||this.formatter).stringify(this)}})),v=(e.format={}).OpenSSL={stringify:function(e){var t=e.ciphertext,r=e.salt;if(r)var i=a.create([1398893684,1701076831]).concat(r).concat(t);else i=t;return i.toString(c)},parse:function(e){var t=c.parse(e),r=t.words;if(1398893684==r[0]&&1701076831==r[1]){var i=a.create(r.slice(2,4));r.splice(0,4),t.sigBytes-=16}return y.create({ciphertext:t,salt:i})}},k=t.SerializableCipher=r.extend({cfg:r.extend({format:v}),encrypt:function(e,t,r,i){i=this.cfg.extend(i);var n=e.createEncryptor(r,i),c=n.finalize(t),o=n.cfg;return y.create({ciphertext:c,key:r,iv:o.iv,algorithm:e,mode:o.mode,padding:o.padding,blockSize:e.blockSize,formatter:i.format})},decrypt:function(e,t,r,i){return i=this.cfg.extend(i),t=this._parse(t,i.format),e.createDecryptor(r,i).finalize(t.ciphertext)},_parse:function(e,t){return"string"==typeof e?t.parse(e,this):e}}),x=(e.kdf={}).OpenSSL={execute:function(e,t,r,i){i=i||a.random(8);var n=o.create({keySize:t+r}).compute(e,i),c=a.create(n.words.slice(t),4*r);return n.sigBytes=4*t,y.create({key:n,iv:c,salt:i})}},g=t.PasswordBasedCipher=k.extend({cfg:k.cfg.extend({kdf:x}),encrypt:function(e,t,r,i){var n=(i=this.cfg.extend(i)).kdf.execute(r,e.keySize,e.ivSize);i.iv=n.iv;var c=k.encrypt.call(this,e,t,n.key,i);return c.mixIn(n),c},decrypt:function(e,t,r,i){i=this.cfg.extend(i),t=this._parse(t,i.format);var n=i.kdf.execute(r,e.keySize,e.ivSize,t.salt);return i.iv=n.iv,k.decrypt.call(this,e,t,n.key,i)}})}()});