A few days ago, NIST announced the winner of the SHA-3 competition: Keccak (prounced [kɛtʃak], ketchak). The researchers who authored Keccak released a reference implementation in C. We’ve created Ruby and Node.js extensions for Keccak. Our extensions utilize the code from the official reference implementation and come with a extensive suite of unit tests. But note however that I do not claim to b