🚀 go-pugleaf

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"C. J." wrote:
> > > Doesn't Work !! **
> >
> > it does:
> > gpg --cipher-algo IDEA --digest-algo MD5 test.pgp
> 
> Yes it certainly does. I didn't know I had to supply the optional arguments
> (I though it would just recognice the algorithm in use).

it recognize the algorithm if possible.

> By the way, do you know how can I become certain that the message the user
> is trying to decrypt was ciphered using IDEA?

not possible, why ? see below

> With "gpg --list-packets" you can get the packets, but it doesn't print the
> algorithm used

gpg --list-packets --show-session-key
prints algorithm

> (although, if I am not wrong, it should be possible reading
> the "Symmetric-key encrypted session-key packet (tag 3)", shouldn't it?).

yes,
but if you encrypt conventionally with IDEA, PGP does not make "Symmetric-key
encrypted session-key packet" to be compatible with PGP 2.6 which
does not supports this packet.

in PGP 2.6.3ia-multi04 I solved this by trying to decrypt with all available ciphers.
but GPG defaults to 3DES (? or maybe blowfish ?) if there is no "Symmetric-key
encrypted session-key packet"

== <EOF> ==
Disastry  http://i.am/disastry/
http://disastry.dhs.org/pgp <----PGP plugins for Netscape and MDaemon
 ^--GPG for Win32 (supports loadable modules and IDEA)
 ^---PGP 2.6.3ia-multi04 (supports IDEA, CAST5, BLOWFISH, TWOFISH,
     AES, 3DES ciphers and MD5, SHA1, RIPEMD160 hashes)
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