Connect a Yubikey with keys on it.
gpg --edit-card [...] Reader ...........: Yubico YubiKey OTP FIDO CCID 0 Application ID ...: D2760001240100000006154949930000 Application type .: OpenPGP Version ..........: 1.0 Manufacturer .....: ? Serial number ....: 15494993 Name of cardholder: [nicht gesetzt] Language prefs ...: [nicht gesetzt] Salutation .......: URL of public key : [nicht gesetzt] Login data .......: [nicht gesetzt] Signature PIN ....: nicht zwingend Max. PIN lengths .: 3 -2 0 PIN retry counter : 0 0 0 Signature counter : 0 Signature key ....: [none] Encryption key....: [none] Authentication key: [none] General key info..: [none] quit
gpg-card l 0 openpgp
gpg --edit-card [...] Reader ...........: Yubico YubiKey OTP FIDO CCID 0 Application ID ...: D2760001240100000006154949930000 Application type .: OpenPGP Version ..........: 3.4 Manufacturer .....: Yubico Serial number ....: 15494993 Name of cardholder: [nicht gesetzt] Language prefs ...: [nicht gesetzt] Salutation .......: URL of public key : [nicht gesetzt] Login data .......: [nicht gesetzt] Signature PIN ....: nicht zwingend Key attributes ...: rsa3072 rsa3072 rsa2048 Max. PIN lengths .: 127 127 127 PIN retry counter : 3 0 3 Signature counter : 5 KDF setting ......: off UIF setting ......: Sign=off Decrypt=off Auth=off Signature key ....: B1AA 5DAD EEC1 A157 3F78 B593 B548 8A5F 0920 C399 created ....: 2023-04-19 09:36:25 keygrip ....: 0882A0B98E72DF321F1F964CB1333C5434CDE33A Encryption key....: 21F0 46EA 39FE B856 A7DF 4D3C 3985 207B 705D 8F17 created ....: 2023-04-19 09:36:25 keygrip ....: F718F9328157913E9B9C1CA29DB044618B4DBBF5 Authentication key: [none] General key info..: [none]