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YubiKey-Guide
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Merge pull request #291 from gaffneyd4/improve-recovery-guide 

Added clearer recovery options
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drduh 2021-10-24 11:08:50 -07:00 committed by GitHub
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@ -80,6 +80,7 @@ If you have a comment or suggestion, please open an [Issue](https://github.com/d
* [Mailvelope on macOS](#mailvelope-on-macos)
* [Mutt](#mutt)
- [Reset](#reset)
- [Recovery after reset](#recovery-after-reset)
- [Notes](#notes)
- [Troubleshooting](#troubleshooting)
- [Alternatives](#alternatives)
@ -2647,7 +2648,7 @@ To enable GnuPG support, one can just use the config file `gpg.rc` provided by m
If PIN attempts are exceeded, the card is locked and must be [reset](https://developers.yubico.com/ykneo-openpgp/ResetApplet.html) and set up again using the encrypted backup.
Copy the following script to a file and run `gpg-connect-agent --run $file` to lock and terminate the card. Then re-insert YubiKey to reset.
Copy the following script to a file and run `gpg-connect-agent -r $file` to lock and terminate the card. Then re-insert YubiKey to reset.
```console
/hex
@ -2677,6 +2678,12 @@ Reset code: NOT SET
Admin PIN: 12345678
```
# Recovery after reset
If for whatever reason you need to reinstate your YubiKey from your master key backup (such as the one stored on an encrypted USB described in [Backup](#backup)), follow the following steps in [Rotating keys](#rotating-keys) to setup your environment, and then follow the steps of again [Configure Smartcard](#configure-smartcard).
Before you unmount your backup, ask yourself if you should make another one just in case.
# Notes
1. YubiKey has two configurations: one invoked with a short press, and the other with a long press. By default, the short-press mode is configured for HID OTP - a brief touch will emit an OTP string starting with `cccccccc`. If you rarely use the OTP mode, you can swap it to the second configuration via the YubiKey Personalization tool. If you *never* use OTP, you can disable it entirely using the [YubiKey Manager](https://developers.yubico.com/yubikey-manager) application (note, this not the similarly named older YubiKey NEO Manager).