rc4 RC4 was initially a trade secret, but in September 1994 a descr iption of it was anonymously posted to the Cypherpunks mailing list[3]. It was soon posted on the sci.crypt newsgroup, and from there to many sites on the Internet. The leaked code

cr4-dotnet RC4 was initially a trade secret, but in September 1994 a descr iption of it was anonymously posted to the Cypherpunks mailing list[3]. It was soon posted on the sci.crypt newsgroup, and from there to many sites on the Internet. The leak