[Fwd: Cylink can export 128-bit DH?]
Mike Duvos
mpd at netcom.com
Wed May 1 22:32:32 PDT 1996
frantz at netcom.com (Bill Frantz) writes:
> Most cryptographic experts recommend Triple DES, encrypting
> the data 3 times with 3 different keys.
It's actually encrypted three times with two keys comprising
112 bits of keyspace, using a decrypt on one key sandwiched
between two encrypts using the other. This prevents a "man
in the middle" attack, which would be possible if only two
DES encryptions were used, one for each key.
--
Mike Duvos $ PGP 2.6 Public Key available $
mpd at netcom.com $ via Finger. $
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