Found: echo 'disable-ccid' >> ~/.gnupg/scdaemon.conf
An entry in /usr/share/doc/gnupg/README.Debian could help here
On 5/10/25 22:39, Yadd wrote:
Hi,
I can no more use my Yubikey with GPG aftre recent changes. I followed
https://wiki.debian.org/Smartcards/OpenPGP instructions but nothing
succeeded.
I'm running a Debian testing.
Did someone find a solution ?
$ pcsc_scan
PC/SC device scanner
V 1.7.3 (c) 2001-2024, Ludovic Rousseau <ludovic.rouss...@free.fr>
Using reader plug'n play mechanism
Scanning present readers...
0: Yubico YubiKey OTP+FIDO+CCID 00 00
Sat May 10 22:33:51 2025
Reader 0: Yubico YubiKey OTP+FIDO+CCID 00 00
Event number: 0
Card state: Card inserted, Shared Mode,
ATR: 3B F8 13 00 00 81 31 FE 15 59 75 62 69 6B 65 79 34 D4
ATR: 3B F8 13 00 00 81 31 FE 15 59 75 62 69 6B 65 79 34 D4
+ TS = 3B --> Direct Convention
+ T0 = F8, Y(1): 1111, K: 8 (historical bytes)
TA(1) = 13 --> Fi=372, Di=4, 93 cycles/ETU
43010 bits/s at 4 MHz, fMax for Fi = 5 MHz => 53763 bits/s
TB(1) = 00 --> VPP is not electrically connected
TC(1) = 00 --> Extra guard time: 0
TD(1) = 81 --> Y(i+1) = 1000, Protocol T = 1
-----
TD(2) = 31 --> Y(i+1) = 0011, Protocol T = 1
-----
TA(3) = FE --> IFSC: 254
TB(3) = 15 --> Block Waiting Integer: 1 - Character Waiting Integer: 5
+ Historical bytes: 59 75 62 69 6B 65 79 34
Category indicator byte: 59 (proprietary format)
+ TCK = D4 (correct checksum)
Possibly identified card (using /usr/share/pcsc/smartcard_list.txt):
3B F8 13 00 00 81 31 FE 15 59 75 62 69 6B 65 79 34 D4
Yubico Yubikey 4 OTP+CCID
[then process is blocked, waiting a long time]
SCardGetStatusChange: RPC transport error.
$ sudo killall scdaemon; sudo killall gnome-keyring-daemon
$ gpg --card-edit
gpg: selecting card failed: No such device
gpg: OpenPGP card not available: No such device
gpg/card>
