rfc5869

A standalone Java 7 implementation of HMAC-based key derivation function (HKDF) defined in RFC 5869 first described by Hugo Krawczyk. HKDF follows the "extract-then-expand" paradigm which is compatible to NIST 800-56C Rev. 1 two step KDF

Erlang HMAC-based Extract-and-Expand Key Derivation Function (HKDF)

HMAC-based Extract-and-Expand Key Derivation Function (HKDF) (RFC 5869)

Chrome/Mozilla push notifications payload encryption for .NET

Fast, cross-platform, RFC-compliant implementation of HMAC-based Extract-and-Expand Key Derivation Function (HKDF) in .NET Standard

An implementation of HKDF in Erlang.

An implementation of the HMAC-based Key Derivation Function (HKDF) mechanism as per RFC 5869.

Key-derivation functions in pure Standard ML: HKDF (RFC 5869) + scrypt (RFC 7914), with byte-exact RFC vectors. Dual-compiler (MLton + Poly/ML).

SPARK-proved HKDF (RFC 5869) - HKDF_SHA256 proved at Level 2