Date: Thu, 04 May 2000 22:15:32 +0200 From: Mark Murray <mark@grondar.za> To: "Andrew J. Korty" <ajk@iu.edu> Cc: security@FreeBSD.ORG Subject: Re: Cryptographic dump(8) Message-ID: <200005042015.WAA07617@grimreaper.grondar.za> In-Reply-To: <Pine.BSF.4.21.0005041318270.26492-100000@verbal.uits.iupui.edu> ; from "Andrew J. Korty" <ajk@iu.edu> "Thu, 04 May 2000 13:20:12 EST." References: <Pine.BSF.4.21.0005041318270.26492-100000@verbal.uits.iupui.edu>
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> I was under the impression that the CBC mode would also propagate this
> entry throughout the block. Must I use one of the feedback modes?
Yes. I have no hard references in front of me, but I'll put ${bodypart}
on a block that CBC is 8-bytes-at-a-time-with-same-key-each-time. IE not
good enough to stave off known plaintext attacks. CBC is what you'd use
if the entire plaintext is of unpredictable structure.
M
--
Mark Murray
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