Go JWT signing, verifying and validating

A .NET implementation of HMAC, with support for SHA256, SHA384, and SHA512.

Cryptographic hashing functions for Dart

JavaScript implementation of HMAC generation and verification for the browser and node.js. It uses the global SubtleCrypto interface [Web Crypto API]. Multiple representations of the HMAC are available (e.g. hexadecimal, base32, base64, ...)

A .NET implementation of HKDF, with support for SHA256, SHA384, and SHA512.

A .NET implementation of PBKDF2 with HMAC-SHA-2.