need info about stream cipher

[kthned]

Hi every one

I need information about the following stream cipher,

.py

.RC4

any body knows about then, please pass me link/material.

Thanks

[ajagadee]

Syed,

RC4 is stream cipher designed by Rivest for RSA Data Security, Inc. It is a variable key-size stream cipher with byte-oriented operations. The algorithm is based on the use of a random permutation.

http://www.rsasecurity.com/rsalabs/node.asp?id=2174

http://en.wikipedia.org/wiki/Stream_cipher

.Py

http://en.wikipedia.org/wiki/Py_(cipher)

I hope the above information helps.

Regards,

Arul

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