TOTP Authenticator

A Java implementation of TOTP(time-base one-time password) and the algorithm is described in rfc6238.

Features

Generate TOTP with a secret key
Validate TOTP according to the secret key and the totp from prover

Quick start

Add Maven dependency

<dependency>
   <groupId>com.github.cheergoivan</groupId>
   <artifactId>totp-authenticator</artifactId>
   <version>1.0</version>
</dependency>

Usage

TOTPAuthenticator auth = TOTPAuthenticator.builder().build();
String secret = "jsjbdfislfd";
String totp = auth.generateTOTP(secret);
System.out.println(totp);
System.out.println(auth.validateTOTP(secret, totp));

Spring Boot Starter

I provide a spring boot starter for totp-authenticator, please check this project: totp-authenticator-spring-boot-starter

License

This project is licensed under the Apache 2 License.