evp_pkey_set1_fn
OSSL_CORE_BIO *cout, evp_pkey_set1_fn *set1_key,
OSSL_CORE_BIO *cout, evp_pkey_set1_fn *set1_key,
#define dsa_set1 (evp_pkey_set1_fn *)EVP_PKEY_set1_DSA
#define rsa_set1 (evp_pkey_set1_fn *)EVP_PKEY_set1_RSA