HMAC

RbNaCl::HMAC::SHA256 and RbNaCl::HMAC::SHA512256 provide secure hash-based message authenticators.

Message authenticators are the symmetric equivalent of digital signatures. They can be used to detect when a message has been (potentially maliciously) altered.

RDoc

• RbNaCl::HMAC::SHA256
• RbNaCl::HMAC::SHA512256