blob: da8b87c6da3aae003cfaa1b831012b7db97d2c24 [file] [log] [blame]
Abdellatif El Khlifiad9b8e52021-04-21 17:20:43 +01001/*
2 * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7#include <plat/arm/common/plat_arm.h>
8
9/*
10 * Return the ROTPK hash in the following ASN.1 structure in DER format:
11 *
12 * AlgorithmIdentifier ::= SEQUENCE {
13 * algorithm OBJECT IDENTIFIER,
14 * parameters ANY DEFINED BY algorithm OPTIONAL
15 * }
16 *
17 * DigestInfo ::= SEQUENCE {
18 * digestAlgorithm AlgorithmIdentifier,
19 * digest OCTET STRING
20 * }
21 *
22 * The function returns 0 on success. Any other value is treated as error by the
23 * Trusted Board Boot. The function also reports extra information related
24 * to the ROTPK in the flags parameter: ROTPK_IS_HASH, ROTPK_NOT_DEPLOYED.
25 *
26 * Refer to the TF-A porting-guide document for more details.
27 */
28int plat_get_rotpk_info(void *cookie, void **key_ptr, unsigned int *key_len,
29 unsigned int *flags)
30{
31 return arm_get_rotpk_info(cookie, key_ptr, key_len, flags);
32}