aboutsummaryrefslogtreecommitdiff
path: root/include/drivers/auth/mbedtls/mbedtls_config.h
blob: 6e179bbd1e3c442a8419ce13c98326e563c97e3f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
/*
 * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
#ifndef MBEDTLS_CONFIG_H
#define MBEDTLS_CONFIG_H

/*
 * Key algorithms currently supported on mbed TLS libraries
 */
#define TF_MBEDTLS_RSA			1
#define TF_MBEDTLS_ECDSA		2
#define TF_MBEDTLS_RSA_AND_ECDSA	3

#define TF_MBEDTLS_USE_RSA (TF_MBEDTLS_KEY_ALG_ID == TF_MBEDTLS_RSA \
		|| TF_MBEDTLS_KEY_ALG_ID == TF_MBEDTLS_RSA_AND_ECDSA)
#define TF_MBEDTLS_USE_ECDSA (TF_MBEDTLS_KEY_ALG_ID == TF_MBEDTLS_ECDSA \
		|| TF_MBEDTLS_KEY_ALG_ID == TF_MBEDTLS_RSA_AND_ECDSA)

/*
 * Hash algorithms currently supported on mbed TLS libraries
 */
#define TF_MBEDTLS_SHA256		1
#define TF_MBEDTLS_SHA384		2
#define TF_MBEDTLS_SHA512		3

/*
 * Configuration file to build mbed TLS with the required features for
 * Trusted Boot
 */

#define MBEDTLS_PLATFORM_MEMORY
#define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
/* Prevent mbed TLS from using snprintf so that it can use tf_snprintf. */
#define MBEDTLS_PLATFORM_SNPRINTF_ALT

#define MBEDTLS_PKCS1_V21

#define MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
#define MBEDTLS_X509_CHECK_KEY_USAGE
#define MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE

#define MBEDTLS_ASN1_PARSE_C
#define MBEDTLS_ASN1_WRITE_C

#define MBEDTLS_BASE64_C
#define MBEDTLS_BIGNUM_C

#define MBEDTLS_ERROR_C
#define MBEDTLS_MD_C

#define MBEDTLS_MEMORY_BUFFER_ALLOC_C
#define MBEDTLS_OID_C

#define MBEDTLS_PK_C
#define MBEDTLS_PK_PARSE_C
#define MBEDTLS_PK_WRITE_C

#define MBEDTLS_PLATFORM_C

#if TF_MBEDTLS_USE_ECDSA
#define MBEDTLS_ECDSA_C
#define MBEDTLS_ECP_C
#define MBEDTLS_ECP_DP_SECP256R1_ENABLED
#endif
#if TF_MBEDTLS_USE_RSA
#define MBEDTLS_RSA_C
#define MBEDTLS_X509_RSASSA_PSS_SUPPORT
#endif

#define MBEDTLS_SHA256_C
#if (TF_MBEDTLS_HASH_ALG_ID != TF_MBEDTLS_SHA256)
#define MBEDTLS_SHA512_C
#endif

#define MBEDTLS_VERSION_C

#define MBEDTLS_X509_USE_C
#define MBEDTLS_X509_CRT_PARSE_C

/* MPI / BIGNUM options */
#define MBEDTLS_MPI_WINDOW_SIZE			2

#if TF_MBEDTLS_USE_RSA
#if TF_MBEDTLS_KEY_SIZE <= 2048
#define MBEDTLS_MPI_MAX_SIZE			256
#else
#define MBEDTLS_MPI_MAX_SIZE			512
#endif
#else
#define MBEDTLS_MPI_MAX_SIZE			256
#endif

/* Memory buffer allocator options */
#define MBEDTLS_MEMORY_ALIGN_MULTIPLE		8

#ifndef __ASSEMBLER__
/* System headers required to build mbed TLS with the current configuration */
#include <stdlib.h>
#include <mbedtls/check_config.h>
#endif

/*
 * Determine Mbed TLS heap size
 * 13312 = 13*1024
 * 11264 = 11*1024
 * 7168  = 7*1024
 */
#if TF_MBEDTLS_USE_ECDSA
#define TF_MBEDTLS_HEAP_SIZE		U(13312)
#elif TF_MBEDTLS_USE_RSA
#if TF_MBEDTLS_KEY_SIZE <= 2048
#define TF_MBEDTLS_HEAP_SIZE		U(7168)
#else
#define TF_MBEDTLS_HEAP_SIZE		U(11264)
#endif
#endif

#endif /* MBEDTLS_CONFIG_H */