Yubico Forum

When trying "gpg --card-status" on Centos 7, I get the following error:



I had the Yubikey working fine on other systems (e.g. Ubuntu 14.04), the only difference I was able to spot is that the executable "scdaemon" is missing from gnupg package on Centos 7. It seems necessary for the smartcard functions of GnuPG, which the error message seems to point at.

The pcscd process runs and opensc-tool reports the Yubikey as existing smartcard.

Did anybody else get GPG running with Yubikey on Centos 7? Unless I am missing something, it seems I'd need to recompile the GnuPG package.

(Other functions like logging via SSH with PIV applet and OpenSC work fine, so the smartcard part is definitely working.)

The executable scdaemon is in gnupg2-smime package and is necessary to for gnupg2 to work with Yubikey's OpenPGP applet. Similarly, Ubuntu needs scdaemon package which contains the scdaemon executable.

gpg 1.x does not need the daemon.