$ java -cp classes Rfc5869Vectors      (25.0.5+8-LTS)
== RFC 5869 A.1 basic  (IKM 22 B, salt 13 B, info 10 B, L=42)
PASS  extract+expand -> OKM
PASS  extractOnly      -> PRK
PASS  expandOnly(PRK)  -> OKM
== RFC 5869 A.2 long inputs  (IKM 80 B, salt 80 B, info 80 B, L=82)
PASS  extract+expand -> OKM
PASS  extractOnly      -> PRK
PASS  expandOnly(PRK)  -> OKM
== RFC 5869 A.3 empty salt and info  (IKM 22 B, salt 0 B, info 0 B, L=42)
PASS  extract+expand -> OKM
PASS  extractOnly      -> PRK
PASS  expandOnly(PRK)  -> OKM
== RFC 5869 cases 4 to 7 use SHA-1, which this provider does not offer
PASS  HKDF-SHA1 -> NoSuchAlgorithmException
ALL CHECKS PASSED
exit=0