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nist

singlestep-kdf

GitHub · · Java · 8 · v0.3.0
Implementation of the single-step key derivation function (KDF) as described in NIST Special Publication 800-56C Rev1 supporting messages digest and HMAC.

hkdf

GitHub · · Java · 58 · v2.0.0
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

dice

GitHub · · Java · 13 · v1.7.0
A cryptographically secure pseudorandom number generator cli tool printing in a wide variety of byte encodings (hex, base64,..) and for many programming languages (c, java, c#, php, etc.) using NIST SP800-90Ar1 HMAC-DRBG. Supports external seeding from various true random services.