TOTP Authentication Tool

Hi all,

Maybe interesting for some of you, in case you
have for example an Android device with Termux
installed, or use already my minitalk program,
with your PC, etc.

$ totp -h

Usage of totp:
  -account string
        The account name for the TOTP key (default "user@example.com")
  -issuer string
        The issuer for the TOTP key (default "example.com")
  -skew int
        The skew value for TOTP validation (default: 1) (default 1)

$ totp

TOTP Authentication Tool
1. Generate a new shared secret
2. Generate a passcode
3. Validate a passcode
4. Exit

https://github.com/706f6c6c7578/TOTP
https://en.wikipedia.org/wiki/Time-based_one-time_password

Regards
Stefan