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Utility for resetting a Yubikey to factory defaults using gpg-connect-agent. This will wipe out any stored keys and reset PINs to default values.
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| # Adapted from https://developers.yubico.com/ykneo-openpgp/ResetApplet.html | |
| gpg-connect-agent <<EOF | |
| /hex | |
| scd serialno | |
| scd apdu 00 20 00 81 08 40 40 40 40 40 40 40 40 | |
| scd apdu 00 20 00 81 08 40 40 40 40 40 40 40 40 | |
| scd apdu 00 20 00 81 08 40 40 40 40 40 40 40 40 | |
| scd apdu 00 20 00 81 08 40 40 40 40 40 40 40 40 | |
| scd apdu 00 20 00 83 08 40 40 40 40 40 40 40 40 | |
| scd apdu 00 20 00 83 08 40 40 40 40 40 40 40 40 | |
| scd apdu 00 20 00 83 08 40 40 40 40 40 40 40 40 | |
| scd apdu 00 20 00 83 08 40 40 40 40 40 40 40 40 | |
| scd apdu 00 e6 00 00 | |
| scd apdu 00 44 00 00 | |
| /echo Yubikey has been successfully reset. | |
| /echo The factory default PINs are 123456 (user) and 12345678 (admin). | |
| EOF |
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