EVP_PKEY_CTX_set_dh_nid

Select named Diffie-Hellman parameters (RFC 7919 / RFC 3526) by NID.

Synopsis

Declared in <openssl/dh.h>

int
EVP_PKEY_CTX_set_dh_nid(
    EVP_PKEY_CTX* ctx,
    int nid);

Description

Mutually exclusive with EVP_PKEY_CTX_set_dh_rfc5114() / set_dhx_rfc5114().

Return Value

1 on success, or a non-positive value on error.

Parameters

NameDescription
ctxEVP_PKEY_CTX used for DH parameter or key generation.
nidNamed group such as NID_ffdhe2048 or NID_modp_2048, or NID_undef to clear.