welsonjs/lib/crypto-js/rc4.min.js

!function(e,r){"object"==typeof exports?module.exports=exports=r(require("./core"),require("./enc-base64"),require("./md5"),require("./evpkdf"),require("./cipher-core")):"function"==typeof define&&define.amd?define(["./core","./enc-base64","./md5","./evpkdf","./cipher-core"],r):r(e.CryptoJS)}(this,function(s){return function(){var e=s,r=e.lib.StreamCipher,i=e.algo,t=i.RC4=r.extend({_doReset:function(){for(var e=this._key,r=e.words,i=e.sigBytes,t=this._S=[],o=0;o<256;o++)t[o]=o;o=0;for(var c=0;o<256;o++){var s=o%i,n=r[s>>>2]>>>24-s%4*8&255;c=(c+t[o]+n)%256;var f=t[o];t[o]=t[c],t[c]=f}this._i=this._j=0},_doProcessBlock:function(e,r){e[r]^=o.call(this)},keySize:8,ivSize:0});function o(){for(var e=this._S,r=this._i,i=this._j,t=0,o=0;o<4;o++){i=(i+e[r=(r+1)%256])%256;var c=e[r];e[r]=e[i],e[i]=c,t|=e[(e[r]+e[i])%256]<<24-8*o}return this._i=r,this._j=i,t}e.RC4=r._createHelper(t);var c=i.RC4Drop=t.extend({cfg:t.cfg.extend({drop:192}),_doReset:function(){t._doReset.call(this);for(var e=this.cfg.drop;0<e;e--)o.call(this)}});e.RC4Drop=r._createHelper(c)}(),s.RC4});