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Dendron - TLDR

ykman openpgp

Manage the OpenPGP YubiKey application. Note: you need to use gpg --card-edit for some settings. More information: https://docs.yubico.com/software/yubikey/tools/ykman/OpenPGP_Commands.html.

  • Display general information about the OpenPGP application:

ykman openpgp info

  • Set the number of retry attempts for the User PIN, Reset Code, and Admin PIN, respectively:

ykman openpgp access set-retries {{3}} {{3}} {{3}}

  • Change the User PIN, Reset Code or Admin PIN:

ykman openpgp access change-{{pin|reset-code|admin-pin}}

  • Factory reset the OpenPGP application (you have to do this after exceeding the number of Admin PIN retry attempts):

ykman openpgp reset