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feat(tbbr): update PK_DER_LEN for ECDSA P-384 keys

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Adding the PK_DER_LEN option for 384 key size when adding ECDSA P384 key
support

Change-Id: I0f19aebad20d1c552976dc3c22ed396d79614769
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
This commit is contained in:
laurenw-arm 2023-10-03 15:25:21 -05:00
parent 557f7d806a
commit c1ec23dd60
1 changed files with 7 additions and 1 deletions
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8
include/common/tbbr/cot_def.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2023, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2015-2023, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -46,7 +46,13 @@
#error "Invalid value for TF_MBEDTLS_KEY_SIZE"
#endif
#else /* Only using ECDSA keys. */
#if TF_MBEDTLS_KEY_SIZE == 384
#define PK_DER_LEN 120
#elif TF_MBEDTLS_KEY_SIZE == 256
#define PK_DER_LEN 92
#else
#error "Invalid value for TF_MBEDTLS_KEY_SIZE"
#endif
#endif
#if TF_MBEDTLS_HASH_ALG_ID == TF_MBEDTLS_SHA256