Re: TEA (was Re: filesystem encryption)

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mgraffam@mhv.net
Wed, 24 Jun 1998 16:20:20 -0400 (EDT)


On Wed, 24 Jun 1998, [iso-8859-1] Jesús Cea [iso-8859-1] Avión wrote:
> Why not?. I need a *simple*, *lightning* fast crypt, without setup
> overhead. Streng is important but only for "domestic" attacks, since
> each register is crypted using its unique "user provided but server
> generated" key. In fact we are using only 64 bit keys, with up-most 64
> bits set to 0. The users already have a hard time remembering 12 random
> chars (64 bits coded as two 32 bit base64).

Uh.. why not just use a hash algoritm to hash a passphrase down to
128 bits, if you really only want 64, just truncate it.

People will remember it all easier, and you'll get better security.

Michael J. Graffam (mgraffam@mhv.net)
http://www.mhv.net/~mgraffam -- Philosophy, Religion, Computers, Crypto, etc
"..subordination of one sex to the other is wrong in itself, and now
one of the chief hindrances to human improvement.." John Stuart Mill
"The Subjection of Women"


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The following archive was created by hippie-mail 7.98617-22 on Fri Aug 21 1998 - 17:19:00 ADT