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Merge "TBBR: Reduce size of ECDSA key buffers" into integration

This commit is contained in:
Sandrine Bailleux 2020-02-19 15:17:48 +00:00 committed by TrustedFirmware Code Review
parent b296bb10aa 495599cd0a
commit 564074c284
1 changed files with 9 additions and 4 deletions
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13
drivers/auth/tbbr/tbbr_cot.c
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved. * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
* *
* SPDX-License-Identifier: BSD-3-Clause * SPDX-License-Identifier: BSD-3-Clause
*/ */
@ -18,7 +18,12 @@
/* /*
* Maximum key and hash sizes (in DER format) * 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_USE_RSA
#if TF_MBEDTLS_KEY_SIZE == 1024 #if TF_MBEDTLS_KEY_SIZE == 1024
@ -32,8 +37,8 @@
#else #else
#error "Invalid value for TF_MBEDTLS_KEY_SIZE" #error "Invalid value for TF_MBEDTLS_KEY_SIZE"
#endif #endif
#else #else /* Only using ECDSA keys. */
#define PK_DER_LEN 294 #define PK_DER_LEN 91
#endif #endif
#define HASH_DER_LEN 83 #define HASH_DER_LEN 83