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/*
* Copyright (c) 2015-2019, ARM Limited and Contributors. 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
#endif
#if TF_MBEDTLS_USE_RSA
#define MBEDTLS_RSA_C
#define MBEDTLS_X509_RSASSA_PSS_SUPPORT
#endif
#define MBEDTLS_SHA256_C
#if (TF_MBEDTLS_HASH_ALG_ID != TF_MBEDTLS_SHA256)
#define MBEDTLS_SHA512_C
#endif
#define MBEDTLS_VERSION_C
#define MBEDTLS_X509_USE_C
#define MBEDTLS_X509_CRT_PARSE_C
/* 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
#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
#endif /* MBEDTLS_CONFIG_H */
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