OSSL_PKEY_PARAM_CIPHER
OSSL_PKEY_PARAM_CIPHER, OSSL_PARAM_UTF8_STRING, fix_cipher },
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_CIPHER,
OSSL_PKEY_PARAM_CIPHER,
OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_CIPHER, NULL, 0),
OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_CIPHER, NULL, 0),
OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_CIPHER, NULL, 0),