peter.c.dietrich at freenet
Apr 19, 2012, 2:56 AM
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gpg4win: homedir option not passed on to gpg-agent
Dear members of the gnupg-users list,
I use gpg on Windows XP Sp3 via gpg4win 2.1.1-svn1694.
I try to follow the off-line primary key paradigm (to some extent), hence
on the same computer there is one directory containing the keyring of my
secret primary key. There is also another directory with the keyring of
the corresponding secret subkeys for daily use. The latter one is set as
the gpg home directory in the Windows registry as described in the GnuPG
When I try to generate a revocation certificate for the primary key, I
issue this command (I realize the secret-keyring option is not necessary
here, it is only included to make clear the distinction between primary
and subkey secret):
gpg2 --homedir path/to/primary/secret --secret-keyring
path/to/subkeys/secret --gen-revoke PrimaryKeyID
This runs as expected until the point where I have to unlock the primary
key and enter my passphrase. There the pinentry box does not pop up,
instead I get "can't connect to the agent: IPC connect call failed" and
the process is aborted.
Alternative Problem description:
I can reproduce the above problem just by creating a new keyring in a
directory other than the gnupg-homedir:
gpg2 --homedir some/other/directory --gen-key. This also gives me the IPC
connect failure, when, in fact, the pinentry dialog should have popped up.
When I start the gpg-agent directly by saying gpg-agent --daemon --homedir
some/other/directory, I can complete the "gpg2 --homedir
some/other/directory --gen-key" successfully, i.e. with passphrase entry
in the pinentry box.
This leads me to believe, that the homedir option given to gpg2 is not
passed on the gpg-agent. I don't know how exactly gpg2 calls gpg-agent
(gpg-connect-agent, I suspect), and I don't know how to modify this call.
Would somebody, please, offer their help?
Peter C. Dietrich
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