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| author | Manish V Badarkhe <Manish.Badarkhe@arm.com> | 2020-05-16 16:36:39 +0100 |
|---|---|---|
| committer | Manish V Badarkhe <Manish.Badarkhe@arm.com> | 2020-05-19 05:05:19 +0100 |
| commit | ad43c49ee39f52d2f3e682aefd76ecbbe3e0c712 (patch) | |
| tree | 041dd6db1e190a329c2d4cb44651b8c3ea4a26a8 /include/common | |
| parent | 4108abb4a0ab73fe311df5a65eb706e5f534f3f5 (diff) | |
| download | platform_external_arm-trusted-firmware-ad43c49ee39f52d2f3e682aefd76ecbbe3e0c712.tar.gz platform_external_arm-trusted-firmware-ad43c49ee39f52d2f3e682aefd76ecbbe3e0c712.tar.bz2 platform_external_arm-trusted-firmware-ad43c49ee39f52d2f3e682aefd76ecbbe3e0c712.zip | |
Cleanup the code for TBBR CoT descriptors
CoT used for BL1 and BL2 are moved to tbbr_cot_bl1.c
and tbbr_cot_bl2.c respectively.
Common CoT used across BL1 and BL2 are moved to
tbbr_cot_common.c.
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: I2252ac8a6960b3431bcaafdb3ea4fb2d01b79cf5
Diffstat (limited to 'include/common')
| -rw-r--r-- | include/common/tbbr/cot_def.h | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/include/common/tbbr/cot_def.h b/include/common/tbbr/cot_def.h index 33350a0d3..c41114692 100644 --- a/include/common/tbbr/cot_def.h +++ b/include/common/tbbr/cot_def.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -11,4 +11,38 @@ #define COT_MAX_VERIFIED_PARAMS 4 +/* + * Maximum key and hash sizes (in DER format). + * + * Both RSA and ECDSA keys may be used at the same time. In this case, the key + * buffers must be big enough to hold either. As RSA keys are bigger than ECDSA + * ones for all key sizes we support, they impose the minimum size of these + * buffers. + */ +#if TF_MBEDTLS_USE_RSA +#if TF_MBEDTLS_KEY_SIZE == 1024 +#define PK_DER_LEN 162 +#elif TF_MBEDTLS_KEY_SIZE == 2048 +#define PK_DER_LEN 294 +#elif TF_MBEDTLS_KEY_SIZE == 3072 +#define PK_DER_LEN 422 +#elif TF_MBEDTLS_KEY_SIZE == 4096 +#define PK_DER_LEN 550 +#else +#error "Invalid value for TF_MBEDTLS_KEY_SIZE" +#endif +#else /* Only using ECDSA keys. */ +#define PK_DER_LEN 91 +#endif + +#if TF_MBEDTLS_HASH_ALG_ID == TF_MBEDTLS_SHA256 +#define HASH_DER_LEN 51 +#elif TF_MBEDTLS_HASH_ALG_ID == TF_MBEDTLS_SHA384 +#define HASH_DER_LEN 67 +#elif TF_MBEDTLS_HASH_ALG_ID == TF_MBEDTLS_SHA512 +#define HASH_DER_LEN 83 +#else +#error "Invalid value for TF_MBEDTLS_HASH_ALG_ID" +#endif + #endif /* COT_DEF_H */ |