obov stands for OATH Based OTP validator. It’s a 100% pure Java library that provides simple to use methods to validate (and related utilities) one time passwords generated by OATH compliant devices.

We have released the first version of obov, including support for HMAC-SHA1 event based OTP validation (RFC 4226). Visit obov’s homepage, download it, and post your feedback.

Tags: encryption, hmac, java, obov, otp, password, Security, sha1, simple, validation