Hash for Rijndael a92 and 256
Thu Mar 1 08:24:04 2001
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> > What hash does GnuPG use for Rijndael 192 and Rijndael 256?
> I don't undertstand that question. Rijndael (aka AES) is a
> symmetric cipher algorithm and a hash algorithm is not needed.
hash is used to obsfucate passphrase for conventional encryption,
If the hash size is less than the key size, multiple instances of
the hash context are created -- enough to produce the required key
data. These instances are preloaded with 0, 1, 2, ... octets of
zeros (that is to say, the first instance has no preloading, the
second gets preloaded with 1 octet of zero, the third is preloaded
with two octets of zeros, and so forth).
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http://disastry.dhs.org/pgp <--PGP plugins for Netscape and MDaemon
^----GPG for Win32 (supports loadable modules & IDEA)
^----PGP 2.6.3ia-multi (supports IDEA,CAST5,BLOWFISH,AES128,MD5,SHA1)
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