xref: /arm-trusted-firmware/plat/arm/board/fvp/fvp_realm_attest_key.c (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright (c) 2022-2023, Arm Limited and Contributors. All rights reserved.
3*91f16700Schasinglulu  *
4*91f16700Schasinglulu  * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu  */
6*91f16700Schasinglulu 
7*91f16700Schasinglulu #include <errno.h>
8*91f16700Schasinglulu #include <string.h>
9*91f16700Schasinglulu 
10*91f16700Schasinglulu #include <plat/common/platform.h>
11*91f16700Schasinglulu 
12*91f16700Schasinglulu static const uint8_t sample_delegated_key[] = {
13*91f16700Schasinglulu 	0x20, 0x11, 0xC7, 0xF0, 0x3C, 0xEE, 0x43, 0x25, 0x17, 0x6E,
14*91f16700Schasinglulu 	0x52, 0x4F, 0x03, 0x3C, 0x0C, 0xE1, 0xE2, 0x1A, 0x76, 0xE6,
15*91f16700Schasinglulu 	0xC1, 0xA4, 0xF0, 0xB8, 0x39, 0xAA, 0x1D, 0xF6, 0x1E, 0x0E,
16*91f16700Schasinglulu 	0x8A, 0x5C, 0x8A, 0x05, 0x74, 0x0F, 0x9B, 0x69, 0xEF, 0xA7,
17*91f16700Schasinglulu 	0xEB, 0x1A, 0x41, 0x85, 0xBD, 0x11, 0x7F, 0x68
18*91f16700Schasinglulu };
19*91f16700Schasinglulu 
20*91f16700Schasinglulu /*
21*91f16700Schasinglulu  * Get the hardcoded delegated realm attestation key as FVP
22*91f16700Schasinglulu  * does not support RSS.
23*91f16700Schasinglulu  */
24*91f16700Schasinglulu int plat_rmmd_get_cca_realm_attest_key(uintptr_t buf, size_t *len,
25*91f16700Schasinglulu 				       unsigned int type)
26*91f16700Schasinglulu {
27*91f16700Schasinglulu 	if (*len < sizeof(sample_delegated_key)) {
28*91f16700Schasinglulu 		return -EINVAL;
29*91f16700Schasinglulu 	}
30*91f16700Schasinglulu 
31*91f16700Schasinglulu 	(void)memcpy((void *)buf, (const void *)sample_delegated_key,
32*91f16700Schasinglulu 		     sizeof(sample_delegated_key));
33*91f16700Schasinglulu 	*len = sizeof(sample_delegated_key);
34*91f16700Schasinglulu 
35*91f16700Schasinglulu 	return 0;
36*91f16700Schasinglulu }
37