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Re: ESP transform with RC5



	 Seems that an RC4 ESP would have a simliar need?  Of course, I'd
	 suspect that only RSA would submit an RC4 ESP and they have
	 already moved on to 5...

Well, the SKIP folks like RC4, too.  But RC4 is a stream cipher, and
RC5 is a block cipher, so they address different needs.  For practical
purposes, there are only two RC4 versions that matter, 40-bit and 128-bit.
RC5 has several other variables as well.