commit 9ccfe8018a355d6a8e6d46a1a595db63902a004d
author laurenw-arm <lauren.wehrmeister@arm.com> Tue Oct 03 15:25:21 2023 -0500
committer laurenw-arm <lauren.wehrmeister@arm.com> Fri Oct 13 09:59:25 2023 -0500
tree ce9ab64757b87230eefb987307f126db4ba7e215
parent f709c275c1660d63abb6b9116c370db0f4184806

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

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>

include/common/tbbr/cot_def.h

diff --git a/include/common/tbbr/cot_def.h b/include/common/tbbr/cot_def.h
index 822c474..1d28772 100644
--- a/include/common/tbbr/cot_def.h
+++ b/include/common/tbbr/cot_def.h
@@ -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