EVP_MD_get_pkey_type
|| EVP_MD_get_pkey_type(EVP_MD_CTX_get0_md(mtmp)) == nid)
if (EVP_MD_get_pkey_type(EVP_MD_CTX_get0_md(mdc)) == md_type)
int EVP_MD_get_pkey_type(const EVP_MD *md);
#define EVP_MD_pkey_type EVP_MD_get_pkey_type