Help revoking a signature

Charly Avital shavital at mac.com
Mon Aug 15 14:34:08 CEST 2005


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

 From man gpg:
"To revoke a subkey or a signature, use the --edit command."

Provided you didn't sign that key using the nrsign command, you can  
still revoke your own signature.

It could look like this:

$ gpg --edit-key [key ID]
 >Command revsign [return]

You have signed these user IDs on key [key ID]:
      User name <user at domain_name.com>
    signed by your key [signing key ID] on [signature date]

Create a revocation certificate for this signature? (y/N)

You take it from there. Eventually, you'll be requested to enter the  
passphrase of the key you used for the signature you want to revoke,  
a reason for the revocation, and a comment.

At the end of the process, the Terminal emulator (I am a Mac user),  
or DOS prompt will show the key without your signature. Save it.

To check what you have done:

Type gpg --edit-key [key ID where you have just revoked your signature]
 >Command check [this will display the key's signatures]
there will be a line like:
rev! [your signing key ID] [signature date]  your name  
<user_name at domain_name.com>

*and also* a line showing your original signature.


This proves that the new keyblock contains both your original  
signature and its revocation.

If the key (you signed) is already on the keyservers, you should  
consider to upload the new keyblock to a keyserver too.

A remark for the gpg gurus:
In my gpg system 1.4.2, the reason and comment for the revocation,  
that I entered during the revocation process, do not show. I think  
they should, otherwise why gpg requires to enter that information?


Good luck,
Charly



On Aug 12, 2005, at 9:52 AM, Robin Cooper wrote:

> I feel like this ia a dumb question, but I can't seem to find the
> commands in my docs or the WinPT program.
>
> How can I revoke a signature I have added to someone else's key?
>
> -- 
> robin.cooper at gmail.com
> PGP public key fingerprint: 2EE2 8019 3B18 1720 960F  B57A C9C3  
> 3CB2 86B1 4A38
> Lookup @ pgp.mit.edu: http://tinyurl.com/yv438
> Lookup @ pgpkeys.pca.dfn.de: http://tinyurl.com/87kju
>
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.2 (Darwin)
Comment: GnuPG for Privacy
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=XuSI
-----END PGP SIGNATURE-----



More information about the Gnupg-users mailing list