Btw, Ronald Rivest modified RC4 to Spritz
[<a href="http:&#x2F;&#x2F;people.csail.mit.edu&#x2F;rivest&#x2F;pubs&#x2F;RS14.pdf" rel="nofollow">http:&#x2F;&#x2F;people.csail.mit.edu&#x2F;rivest&#x2F;pubs&#x2F;RS14.pdf</a>]