Hugo • 3/13/2023

Using a Yubikey for both GPG and TOTP

This article details a specific technical problem where using a Yubikey for GPG operations blocks its TOTP functionality, and vice versa. It explains the root cause involving the `pcscd` daemon and `scdaemon`'s exclusive lock, and provides a step-by-step solution involving configuration changes to `scdaemon.conf` to enable shared access.

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#Yubikey #Totp #Gpg