diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/auth/mbedtls/mbedtls_common.mk | 13 | ||||
| -rw-r--r-- | drivers/auth/tbbr/tbbr_cot.c | 16 |
2 files changed, 28 insertions, 1 deletions
diff --git a/drivers/auth/mbedtls/mbedtls_common.mk b/drivers/auth/mbedtls/mbedtls_common.mk index 63e65bd4..f34d3d00 100644 --- a/drivers/auth/mbedtls/mbedtls_common.mk +++ b/drivers/auth/mbedtls/mbedtls_common.mk @@ -1,5 +1,5 @@ # -# Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. +# Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved. # # SPDX-License-Identifier: BSD-3-Clause # @@ -59,6 +59,16 @@ ifeq (${TF_MBEDTLS_KEY_ALG},) endif endif +ifeq (${TF_MBEDTLS_KEY_SIZE},) + ifneq ($(findstring rsa,${TF_MBEDTLS_KEY_ALG}),) + ifeq (${KEY_SIZE},) + TF_MBEDTLS_KEY_SIZE := 2048 + else + TF_MBEDTLS_KEY_SIZE := ${KEY_SIZE} + endif + endif +endif + ifeq (${HASH_ALG}, sha384) TF_MBEDTLS_HASH_ALG_ID := TF_MBEDTLS_SHA384 else ifeq (${HASH_ALG}, sha512) @@ -79,6 +89,7 @@ endif # Needs to be set to drive mbed TLS configuration correctly $(eval $(call add_define,TF_MBEDTLS_KEY_ALG_ID)) +$(eval $(call add_define,TF_MBEDTLS_KEY_SIZE)) $(eval $(call add_define,TF_MBEDTLS_HASH_ALG_ID)) diff --git a/drivers/auth/tbbr/tbbr_cot.c b/drivers/auth/tbbr/tbbr_cot.c index da3631bb..6dd4ae25 100644 --- a/drivers/auth/tbbr/tbbr_cot.c +++ b/drivers/auth/tbbr/tbbr_cot.c @@ -7,6 +7,7 @@ #include <stddef.h> #include <platform_def.h> +#include <drivers/auth/mbedtls/mbedtls_config.h> #include <drivers/auth/auth_mod.h> #if USE_TBBR_DEFS @@ -19,7 +20,22 @@ /* * Maximum key and hash sizes (in DER format) */ +#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 +#define PK_DER_LEN 294 +#endif + #define HASH_DER_LEN 83 /* |