gpg-agent: use --disable-scdaemon, yet still get SC-related error?
Werner Koch
wk at gnupg.org
Mon Nov 28 10:31:48 CET 2011
On Sun, 27 Nov 2011 22:38, jim at meyering.net said:
> Yet in spite of that --disable-scdaemon option, I still get what looks
> like an SC-related error in the log each time I try to use gpg:
> (and the agent fails to do its job):
>
> 2011-11-27 22:29:21 gpg-agent[13380] error getting default authentication
> keyID of card: Not supported
Not a real error, should be reworded as "note". Will do so for master.
The gpg-agent always tries to use a key from a smartcard for ssh
authentication. Thus it asks scdaemon whether a suitable smartcard is
plugged in. With scdaemon disabled or no suitabale smartcard, gpg-agent
tries the next key from the list kept in ~/.gnupg/sshcontrol :
"# List of allowed ssh keys. Only keys present in this file are used\n"
"# in the SSH protocol. The ssh-add tool may add new entries to this\n"
"# file to enable them; you may also add them manually. Comment\n"
"# lines, like this one, as well as empty lines are ignored. Lines do\n"
"# have a certain length limit but this is not serious limitation as\n"
"# the format of the entries is fixed and checked by gpg-agent. A\n"
"# non-comment line starts with optional white spaces, followed by the\n"
"# keygrip of the key given as 40 hex digits, optionally followed by a\n"
"# the caching TTL in seconds and another optional field for arbitrary\n"
"# flags. Prepend the keygrip with an '!' mark to disable it.\n"
Shalom-Salam,
Werner
--
Die Gedanken sind frei. Ausnahmen regelt ein Bundesgesetz.
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