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