| /* |
| * Copyright (c) 2022-2023, Arm Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <assert.h> |
| #include <delegated_attestation.h> |
| #include <psa/error.h> |
| #include <services/rmmd_svc.h> |
| |
| /* |
| * Get the delegated realm attestation key through the PSA delegated |
| * attestation layer. |
| * |
| * FVP cannot support RSS hardware at the moment, but it can still mock |
| * the RSS implementation of the PSA interface (see PLAT_RSS_NOT_SUPPORTED). |
| */ |
| int plat_rmmd_get_cca_realm_attest_key(uintptr_t buf, size_t *len, |
| unsigned int type) |
| { |
| psa_status_t ret; |
| |
| assert(type == ATTEST_KEY_CURVE_ECC_SECP384R1); |
| |
| ret = rss_delegated_attest_get_delegated_key(0U, 0U, (uint8_t *)buf, |
| *len, len, 0U); |
| |
| return ret; |
| } |