Skip to content

Instantly share code, notes, and snippets.

@woopstar
Forked from pkirkovsky/yubikey-reset.sh
Created July 29, 2017 18:50
Show Gist options
  • Save woopstar/73c7411809e6fc165f59d3a84357cc69 to your computer and use it in GitHub Desktop.
Save woopstar/73c7411809e6fc165f59d3a84357cc69 to your computer and use it in GitHub Desktop.
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.
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
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment