On Mon, 06 Feb 2006 17:38:01 -0500 Hal Finney <hal(_at_)finney(_dot_)org>
wrote:
Note that V3 keys only support ciphers with a block size of 8
bytes, so
I think it is OK to explicitly say "8 octets" here.
are v4 keys different in this respect ?
(i.e., is there any cipher currently within the open pgp standard
that v4 keys support that v3 keys could not?
classically, v3 keys were started when all that was available was
IDEA,
but Disastry extended 2.6x for v3 keys to accept 'any' open-pgp
cipher,
even for symmetric protection of the secret key
(i have occasionally found it useful to prepare v3 non-IDEA test
keys,
for gnupg testers who prefer not to use patented algorithms, even
for testing, if there is a convenient way around it)
[am not trying to awaken a v3 / v4 controversy ;-)
am just trying to 'understand' what i might have 'missed' ]
tia,
vedaal
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