Compress before encrypting? (Was Re: NSA Helped Yeltsin...)
Jay Prime Positive
jpp at jpplap.markv.com
Mon May 30 09:06:17 PDT 1994
Date: Mon, 30 May 1994 16:53:32 +0200
From: Alastair McKinstry <amck at maths.tcd.ie>
[...]
While this is true, don't forget the usefulness of known plaintext
for brute-force analyses. If you're doing a brute-force search
[...]
Costs: <$20 million (see Schneier) and this then makes breaking DES
keys (for example) trivial, if they all have the plain text.
[I presume Alastair ment to say] ...the same known plain text.
[...]
Ah yes. Well, the state of the art in cryptanalysis (as far as I
know) just moved forward a notch. =)
j'
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