rem: this.rc4_ = new ARC4(); 
add: this.streamCipher_ = Cc["@mozilla.org/security/streamcipher;1"] .createInstance(Ci.nsIStreamCipher); 
context: function PROT_EnchashDecrypter() {  this.debugZone = "enchashdecrypter";  this.REs_ = PROT_EnchashDecrypter.REs;  this.hasher_ = new G_CryptoHasher();  this.base64_ = new G_Base64();  this.rc4_ = new ARC4();}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/53e597ef6cf22644d6f691e806556be70cfc056e/enchash-decrypter.js/buggy/toolkit/components/url-classifier/content/enchash-decrypter.js