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Mention zbar & pass-otp

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Kamil Aronowski 2022-11-14 23:50:04 +01:00
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@ -171,6 +171,38 @@ is largely the same.
For a more complete list of compatible services, see [here][usage].
Alternative - zbar & pass-otp
-------------------
As an alternative, one can download a QR code, scan it with zbar and use the scan to create one time passwords with pass-otp.
First, generate a GPG key if you haven't done so yet.
```
gpg --full-gen-key
```
Initialize the `pass` store (`~/.password-store/`)
```
pass init <YOUR_EMAIL>
```
Then scan a downloaded QR code with zbar
```
zbarimg -q QR.png
```
Now we're ready to add it to `pass`. As an example let's assume we're trying to use it as an alternative to GitHub Authenticator app.
```
pass otp add github
```
You'll be prompted to enter the `otpauth://` URI. Copy it from the `zbarimg` output and paste.
You can now use the command `pass otp github` to get your one-time password. Depending on your GPG configuration, you may get prompted to enter a passphrase to unlock your OpenPGP secret key first.
[YubiKey]: https://www.qubes-os.org/doc/YubiKey/
[MFA]: https://en.wikipedia.org/wiki/Multi-factor_authentication