YubiKey challenge-response USB and NFC driver for Android

Tool to check if an IP of a DblTek GoIP is vulnerable to a challenge-response login system, send SMS messages from the system, execute remote commands botnet style, and generate responses to challenges.

This is for setting up a Yubico Passwordless Ubuntu Login or Logins

Use your YubiKey as a consistent password generator

Fastest SCRAM's implementation for Erlang & OTP, aiming at performance and statelessness for ease-of-use

Simple Python script to check and work with SIP challenge requests

PAM QRCode Authentication is a pluggable authentication module designed for authentication using QRCode based on Challenge Response

Yubikey Challenge-Response & Configuration

A deterministic password manager.

Perform HMAC-SHA1 and OTP challenges with YubiKey, OnlyKey and NitroKey, in pure Rust.

A tool to login the campus network of Lanzhou University. Challenge Response Authentication

Proof-of-work based challenge-response TCP server

Social profile

opiekey, but written in Go! S/KEY authentication like it's 1996.

A simple pure-js implementation of DIGEST-MD5. Written for XMPP, but can be used elsewhere.

A PAM OPIE module, but written in Go! S/KEY authentication like it's 1996.

Open The Knock ✊ a Lock with a Rhythm 🎶

A Coding Game for NYC Python. I added my solution!

A simple looking website that communicates the main features and benefits of the business. A minimalist colour palette with a burst of bright tones that evokes an elegant yet inviting website.

A super simple demonstration of challenge-response authentication.