using the SSH secret key fails sometimes

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using the SSH secret key fails sometimes

Matthias Apitz

Hello,

This is on FreeBSD with:

$ gpg2 --version
gpg (GnuPG) 2.1.19
libgcrypt 1.7.6

$ ps ax | egrep 'gnu|pcs'
1034  -  Ss     0:00,59 gpg-agent --homedir /home/guru/.gnupg-ccid --use-standard-socket
1036  -  S      0:02,24 scdaemon --multi-server --homedir /home/guru/.gnupg-ccid
3844  -  S      0:01,04 /usr/local/sbin/pcscd

From time to time (let's say 1-2 times a day) the access to the SSH secret on
the OpenPGP card fails. The card is already unlocked in this moment
because the unlocking the KDE desktop has asked for the PIN.
Initializing a SSH session produces the attached error in the scdaemon's
log file.

It helps to withdraw the card and insert it again (which starts a new
proc /usr/local/sbin/pcscd).

Any idea where to look? Thanks

        matthias


2018-03-05 10:53:40 scdaemon[1036.802017e00] manejador del descriptor 13 iniciado
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> OK GNU Privacy Guard's Smartcard server ready
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 <- SERIALNO
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> S SERIALNO D27600012401020100050000532B0000
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> OK
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 <- GETINFO card_list
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> S SERIALNO D27600012401020100050000532B0000
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> OK
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 <- SERIALNO --demand=D27600012401020100050000532B0000
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> S SERIALNO D27600012401020100050000532B0000
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> OK
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 <- GETATTR $AUTHKEYID
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> S $AUTHKEYID OPENPGP.3
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> OK
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 <- GETATTR SERIALNO
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> S SERIALNO D27600012401020100050000532B0000
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> OK
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 <- READKEY OPENPGP.3
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> [ 44 20 28 31 30 3a 70 75 62 6c 69 63 2d 6b 65 79 ...(548 byte(s) skipped) ]
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> OK
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 <- GETATTR $DISPSERIALNO
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> S $DISPSERIALNO 00050000532B
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> OK
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 <- SERIALNO --demand=D27600012401020100050000532B0000
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> S SERIALNO D27600012401020100050000532B0000
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> OK
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 <- SETDATA 3021300906052B0E03021A05000414579704ECB5FC67E700FAD99C8080277E86DCAD94
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> OK
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 <- PKAUTH OPENPGP.3
2018-03-05 10:53:40 scdaemon[1036.802017e00] pcsc_transmit failed: not transacted (0x80100016)
2018-03-05 10:53:40 scdaemon[1036.802017e00] apdu_send_simple(0) failed: general error
2018-03-05 10:53:40 scdaemon[1036.802017e00] operation auth result: General error
2018-03-05 10:53:40 scdaemon[1036.802017e00] app_auth failed: General error
2018-03-05 10:53:40 scdaemon[1036.802017e00] DBG: chan_13 -> ERR 100663297 General error <SCD>
2018-03-05 10:54:04 scdaemon[1036.802017e00] DBG: chan_13 <- BYE
2018-03-05 10:54:04 scdaemon[1036.802017e00] DBG: chan_13 -> OK closing connection
2018-03-05 10:54:04 scdaemon[1036.802017e00] manejador del descriptor 13 terminado

--
Matthias Apitz, ✉ [hidden email], ⌂ http://www.unixarea.de/  📱 +49-176-38902045
Public GnuPG key: http://www.unixarea.de/key.pub

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