DH_KDF_X9_42

Derive keying material with the ANSI X9.42 / RFC 2631 KDF (deprecated).

Synopsis

Declared in <openssl/dh.h>

[[deprecated]]
int
DH_KDF_X9_42(
    unsigned char* out,
    size_t outlen,
    unsigned char const* Z,
    size_t Zlen,
    ASN1_OBJECT* key_oid,
    unsigned char const* ukm,
    size_t ukmlen,
    EVP_MD const* md);

WARNING

Deprecated. Use of this entity is allowed but discouraged.

Return Value

1 on success, or 0 on error.

Parameters

NameDescription
outOutput buffer of outlen bytes receiving the derived key.
outlenDesired derived-key length.
ZShared secret bytes.
ZlenLength of Z.
key_oidAlgorithm OID embedded in the OtherInfo structure.
ukmOptional partyInfo/UKM bytes, or NULL.
ukmlenLength of ukm when non-NULL.
mdMessage digest used by the KDF.