How to read list-packets
Fri Jun 20 18:35:02 2003
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On Fri, Jun 20, 2003 at 10:30:35AM +0200, Johan Wevers wrote:
> Is there somewhere documentation availeble on how to read the output of
> gpg --list-packets? I had a problem some days agoo where someone was not
> able to read my encrypted mail. The other person was using GnuPG too, and
> finally it turned out she forgot to add the IDEA plugin when she upgraded
> GnuPG. The output of gpg --list-packets on my encrypted file is below.
> vulcan:~> gpg --list-packets X.txt.asc
> gpg: NOTE: THIS IS A DEVELOPMENT VERSION!
> gpg: It is only intended for test purposes and should NOT be
> gpg: used in a production environment or with production keys!
> :pubkey enc packet: version 3, algo 1, keyid XXXXXXXXXXXXXXXX
> data: [1023 bits]
> This is a 1024 bit RSA key, I assume the algo=1 points to RSA. But why list
> it here as 1023 bits?
That's not the size of the RSA key. That's the size of the session
> Enter passphrase:
> :encrypted data packet:
> length: unknown
> gpg: encrypted with 1024-bit RSA key, ID XXXXXXXX, created 1995-10-15
> "XXXX <firstname.lastname@example.org>"
> gpg: encrypted with 3072-bit ELG-E key, ID 7A3FE18C, created 2000-08-11
> "Johan Wevers <email@example.com>"
> :compressed packet: algo=1
> I assume the algo=1 here points to the compression algorithm? Or does algo
> here mean the IDEA cipher?
The compression algorithm. 1==ZIP.
The documentation for --list-packets is RFC-2440 ;) Just look up each
packet type and you'll see the different arguments.
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Version: GnuPG v1.2.3rc1 (GNU/Linux)
Comment: Key available at http://www.jabberwocky.com/david/keys.asc
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