diff options
Diffstat (limited to 'include/drivers/auth/mbedtls/mbedtls_config.h')
| -rw-r--r-- | include/drivers/auth/mbedtls/mbedtls_config.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/include/drivers/auth/mbedtls/mbedtls_config.h b/include/drivers/auth/mbedtls/mbedtls_config.h new file mode 100644 index 0000000..01e261a --- /dev/null +++ b/include/drivers/auth/mbedtls/mbedtls_config.h @@ -0,0 +1,152 @@ +/* + * Copyright (c) 2015-2022, Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ +#ifndef MBEDTLS_CONFIG_H +#define MBEDTLS_CONFIG_H + +/* + * Key algorithms currently supported on mbed TLS libraries + */ +#define TF_MBEDTLS_RSA 1 +#define TF_MBEDTLS_ECDSA 2 +#define TF_MBEDTLS_RSA_AND_ECDSA 3 + +#define TF_MBEDTLS_USE_RSA (TF_MBEDTLS_KEY_ALG_ID == TF_MBEDTLS_RSA \ + || TF_MBEDTLS_KEY_ALG_ID == TF_MBEDTLS_RSA_AND_ECDSA) +#define TF_MBEDTLS_USE_ECDSA (TF_MBEDTLS_KEY_ALG_ID == TF_MBEDTLS_ECDSA \ + || TF_MBEDTLS_KEY_ALG_ID == TF_MBEDTLS_RSA_AND_ECDSA) + +/* + * Hash algorithms currently supported on mbed TLS libraries + */ +#define TF_MBEDTLS_SHA256 1 +#define TF_MBEDTLS_SHA384 2 +#define TF_MBEDTLS_SHA512 3 + +/* + * Configuration file to build mbed TLS with the required features for + * Trusted Boot + */ + +#define MBEDTLS_PLATFORM_MEMORY +#define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS +/* Prevent mbed TLS from using snprintf so that it can use tf_snprintf. */ +#define MBEDTLS_PLATFORM_SNPRINTF_ALT + +#define MBEDTLS_PKCS1_V21 + +#define MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION +#define MBEDTLS_X509_CHECK_KEY_USAGE +#define MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE + +#define MBEDTLS_ASN1_PARSE_C +#define MBEDTLS_ASN1_WRITE_C + +#define MBEDTLS_BASE64_C +#define MBEDTLS_BIGNUM_C + +#define MBEDTLS_ERROR_C +#define MBEDTLS_MD_C + +#define MBEDTLS_MEMORY_BUFFER_ALLOC_C +#define MBEDTLS_OID_C + +#define MBEDTLS_PK_C +#define MBEDTLS_PK_PARSE_C +#define MBEDTLS_PK_WRITE_C + +#define MBEDTLS_PLATFORM_C + +#if TF_MBEDTLS_USE_ECDSA +#define MBEDTLS_ECDSA_C +#define MBEDTLS_ECP_C +#define MBEDTLS_ECP_DP_SECP256R1_ENABLED +#define MBEDTLS_ECP_NO_INTERNAL_RNG +#endif +#if TF_MBEDTLS_USE_RSA +#define MBEDTLS_RSA_C +#define MBEDTLS_X509_RSASSA_PSS_SUPPORT +#endif + +#define MBEDTLS_SHA256_C + +/* + * If either Trusted Boot or Measured Boot require a stronger algorithm than + * SHA-256, pull in SHA-512 support. + */ +#if (TF_MBEDTLS_HASH_ALG_ID != TF_MBEDTLS_SHA256) /* TBB hash algo */ +#define MBEDTLS_SHA512_C +#else + /* TBB uses SHA-256, what about measured boot? */ +#if defined(TF_MBEDTLS_MBOOT_USE_SHA512) +#define MBEDTLS_SHA512_C +#endif +#endif + +#define MBEDTLS_VERSION_C + +#define MBEDTLS_X509_USE_C +#define MBEDTLS_X509_CRT_PARSE_C + +#if TF_MBEDTLS_USE_AES_GCM +#define MBEDTLS_AES_C +#define MBEDTLS_CIPHER_C +#define MBEDTLS_GCM_C +#endif + +/* MPI / BIGNUM options */ +#define MBEDTLS_MPI_WINDOW_SIZE 2 + +#if TF_MBEDTLS_USE_RSA +#if TF_MBEDTLS_KEY_SIZE <= 2048 +#define MBEDTLS_MPI_MAX_SIZE 256 +#else +#define MBEDTLS_MPI_MAX_SIZE 512 +#endif +#else +#define MBEDTLS_MPI_MAX_SIZE 256 +#endif + +/* Memory buffer allocator options */ +#define MBEDTLS_MEMORY_ALIGN_MULTIPLE 8 + +/* + * Prevent the use of 128-bit division which + * creates dependency on external libraries. + */ +#define MBEDTLS_NO_UDBL_DIVISION + +#ifndef __ASSEMBLER__ +/* System headers required to build mbed TLS with the current configuration */ +#include <stdlib.h> +#include <mbedtls/check_config.h> +#endif + +/* + * Determine Mbed TLS heap size + * 13312 = 13*1024 + * 11264 = 11*1024 + * 7168 = 7*1024 + */ +#if TF_MBEDTLS_USE_ECDSA +#define TF_MBEDTLS_HEAP_SIZE U(13312) +#elif TF_MBEDTLS_USE_RSA +#if TF_MBEDTLS_KEY_SIZE <= 2048 +#define TF_MBEDTLS_HEAP_SIZE U(7168) +#else +#define TF_MBEDTLS_HEAP_SIZE U(11264) +#endif +#endif + +/* + * Warn if errors from certain functions are ignored. + * + * The warnings are always enabled (where supported) for critical functions + * where ignoring the return value is almost always a bug. This macro extends + * the warnings to more functions. + */ +#define MBEDTLS_CHECK_RETURN_WARNING + +#endif /* MBEDTLS_CONFIG_H */ |