[3845] in cryptography@c2.net mail archive

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Re: On living with the 56-bit key length restriction

daemon@ATHENA.MIT.EDU (Jim Gillogly)
Thu Dec 24 15:52:33 1998

Date: Wed, 23 Dec 1998 17:43:53 -0800
From: Jim Gillogly <jim@acm.org>
To: coderpunks@toad.com, cryptography@c2.net

On cascaded short-key ciphers, Antonomasia writes:
> Does this mean that padding the final block is out and ciphertext
> stealing is in ?

Yes, if you mean PKCS-style or IPSec-style padding.  Random padding
or ciphertext stealing are both fine.

Or use a respectable-length key and use any padding you want.  Stronger
and faster all at once.  Who could object to that??

--
	Jim Gillogly
	2 Afteryule S.R. 1999, 01:38
	12.19.5.14.6, 12 Cimi 19 Mac, Seventh Lord of Night


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