Hello, I just had one of these unpleasant moments when you realize that you haven't understood something you believed to have understood for quite a while... :-/
gpg-agent identifies keys by their keygrip. But gpg-agent cares about secret keys only. So by my naive understanding the application talking to gpg-agent cannot know the keygrip of the key material itself. Because gpg-agent does hide this key material from the application. Is the keygrip computed over the passphrase-protected key material (which the application knows)? I.e. does the keygrip change if the passphrase changes? Or does gpg-agent use only pairs of secret and public keys and the keygrip refers to the public key? Another gpg-agent problem: It seems to me that you can only check for keys which you know. Is it possible to get a list of the known keygrips from gpg-agent? I create keys in an account with an empty keyring thus getting only one keygrip would be unambiguous. Hauke -- Crypto für alle: http://www.openpgp-schulungen.de/fuer/bekannte/ OpenPGP: 7D82 FB9F D25A 2CE4 5241 6C37 BF4B 8EEF 1A57 1DF5
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