(T)OTP mod for minetest

• State: Stable

Overview

Lets security-aware players use the /otp_enable command to protect their account with a second factor.

Players that have the OTP enabled have to enter a verification code upon joining the game.

OTP Authenticator apps

• https://freeotp.github.io/
• https://github.com/helloworld1/FreeOTPPlus

Screenshots

OTP verification form

OTP Setup form

Links / References

• https://en.wikipedia.org/wiki/Time-based_one-time_password
• https://en.wikipedia.org/wiki/HMAC-based_one-time_password
• https://en.wikipedia.org/wiki/HMAC
• https://github.com/google/google-authenticator/wiki/Key-Uri-Format

Chatcommands

• /otp_enable Starts the OTP onboarding process
• /otp_disable Disables the OTP Login

Privileges

• otp_enabled Players with this privilege have to verify the OTP Code upon login (automatically granted on successful /otp_enable)

License

• Code: MIT
• Textures: CC-BY-SA 3.0
• "basexx.lua" MIT https://github.com/aiq/basexx/blob/master/lib/basexx.lua
• "qrencode.lua" BSD https://github.com/speedata/luaqrcode/blob/master/qrencode.lua