JSummer is a tool to compute and check MD5, MD4, MD2, SHA-160, SHA-256, SHA-384, SHA-512, RIPEMD128, RIPEMD160, WHIRLPOOL, TIGER, HAVAL message digest consisting of a Console-Version and GUI. Implemented in Java.
S/Key - OTP Generator for J2ME architecture. An RFC2289 compliant One-Time Password generator for mobile phone supporting Java language. It uses MD4 and MD5 hash algorithms.