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

Name

Description

pkey

Key to query.

key_name

Parameter name (OSSL_PKEY_PARAM_*).

bn

On success, set to a newly allocated BIGNUM (caller frees with BN_free()).

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