load_key_pwd
EVP_PKEY *pkey = load_key_pwd(opt_srv_key, opt_keyform,
EVP_PKEY *pkey = load_key_pwd(opt_rsp_key, opt_keyform,
pkey = load_key_pwd(opt_tls_key, opt_keyform, opt_tls_keypass,
EVP_PKEY *pkey = load_key_pwd(opt_key, opt_keyform, opt_keypass, engine,
pkey = load_key_pwd(file, format, pass, engine, desc);