2fa

Usage

To encrypt a secret:

./2fa add testing [email protected] my-random-2fa-secret-string

The encrypted 2fa secret was saved in ~/.2fa/testing.

To decrypt a secret:

./2fa code testing

2fa code (testing): 123456

The 2fa code is printed on screen.

Inspiration

2fa tutorial: https://etherarp.net/google-authenticator-without-a-phone/