17 Dec
2003
17 Dec
'03
11:17 p.m.
Date: Mon, 30 May 1994 16:53:32 +0200 From: Alastair McKinstry <amck@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'