EVP_PKEY_get_bn_param

Fetch a named BIGNUM parameter from an EVP_PKEY.

Synopsis

Declared in <openssl/evp.h>

int
EVP_PKEY_get_bn_param(
    EVP_PKEY const* pkey,
    char const* key_name,
    BIGNUM** bn);

Return Value

1 on success, or 0 on failure.

Parameters

NameDescription
pkeyKey to query.
key_nameParameter name (OSSL_PKEY_PARAM_*).
bnOn success, set to a newly allocated BIGNUM (caller frees with BN_free()).