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/*
* Copyright (c) 2022, STMicroelectronics - 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_USE_RSA 0
#define TF_MBEDTLS_USE_ECDSA 1
/*
* 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 (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
#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
/*
* Mbed TLS heap size is smal as we only use the asn1
* parsing functions
* digest, signature and crypto algorithm are done by
* other library.
*/
#define TF_MBEDTLS_HEAP_SIZE U(5120)
#endif /* MBEDTLS_CONFIG_H */
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