https://eprint.iacr.org/2010/264
Cryptographic Extraction and Key Derivation: The HKDF Scheme
In spite of the central role of key derivation functions (KDF) in applied cryptography, there has been little formal work addressing the design and analysis of...
cryptographicextractionkeyhkdfscheme
https://www.swi-prolog.org/pldoc/man?section=crypto-hkdf
SWI-Prolog -- HMAC-based key derivation function (HKDF)
swiprologhmacbasedkey
https://go.googlesource.com/crypto/+/1e6e3497d506cca640d89d202b2070f00e81b0cb/hkdf/hkdf_test.go?autodive=0%2F
hkdf/hkdf_test.go - crypto - Git at Google
hkdftestgocryptogit
https://go.googlesource.com/crypto/+/1dc4269656dd23b2c4e71c51b8af6bc2b63eecb7/internal/wycheproof/hkdf_test.go
internal/wycheproof/hkdf_test.go - crypto - Git at Google
internalhkdftestgocrypto
https://boringssl.googlesource.com/boringssl/+/c25c3760ed8c47b9175863f503b2a6ef5b6c61a7/third_party/wycheproof_testvectors/hkdf_sha256_test.txt
third_party/wycheproof_testvectors/hkdf_sha256_test.txt - boringssl - Git at Google
third party
https://openweave.io/java-reference/reference/com/nestlabs/weave/security/HKDF.html?hl=he
HKDF | OpenWeave
hkdfopenweave