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/**
* \file config-suite-b.h
*
* \brief Minimal configuration for TLS NSA Suite B Profile (RFC 6460)
*/
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
*/
/*
* Minimal configuration for TLS NSA Suite B Profile (RFC 6460)
*
* Distinguishing features:
* - no RSA or classic DH, fully based on ECC
* - optimized for low RAM usage
*
* Possible improvements:
* - if 128-bit security is enough, disable secp384r1 and SHA-512
* - use embedded certs in DER format and disable PEM_PARSE_C and BASE64_C
*
* See README.txt for usage instructions.
*/
#define MBEDTLS_PSA_CRYPTO_CONFIG_FILE "../configs/crypto-config-suite-b.h"
#define MBEDTLS_PSA_CRYPTO_C
#define MBEDTLS_PSA_CRYPTO_CONFIG
#define MBEDTLS_USE_PSA_CRYPTO
/* System support */
#define MBEDTLS_HAVE_ASM
#define MBEDTLS_HAVE_TIME
/* Mbed TLS feature support */
#define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
#define MBEDTLS_SSL_PROTO_TLS1_2
/* Mbed TLS modules */
#define MBEDTLS_ASN1_PARSE_C
#define MBEDTLS_ASN1_WRITE_C
#define MBEDTLS_CTR_DRBG_C
#define MBEDTLS_ENTROPY_C
#define MBEDTLS_NET_C
#define MBEDTLS_OID_C
#define MBEDTLS_PK_C
#define MBEDTLS_PK_PARSE_C
#define MBEDTLS_SSL_CLI_C
#define MBEDTLS_SSL_SRV_C
#define MBEDTLS_SSL_TLS_C
#define MBEDTLS_X509_CRT_PARSE_C
#define MBEDTLS_X509_USE_C
/* For test certificates */
#define MBEDTLS_BASE64_C
#define MBEDTLS_PEM_PARSE_C
/* Save RAM at the expense of ROM */
#define MBEDTLS_AES_ROM_TABLES
/* Save RAM by adjusting to our exact needs */
#define MBEDTLS_MPI_MAX_SIZE 48 // 384-bit EC curve = 48 bytes
/* Save RAM at the expense of speed, see ecp.h */
#define MBEDTLS_ECP_WINDOW_SIZE 2
#define MBEDTLS_ECP_FIXED_POINT_OPTIM 0
/* Significant speed benefit at the expense of some ROM */
#define MBEDTLS_ECP_NIST_OPTIM
/*
* You should adjust this to the exact number of sources you're using: default
* is the "mbedtls_platform_entropy_poll" source, but you may want to add other ones.
* Minimum is 2 for the entropy test suite.
*/
#define MBEDTLS_ENTROPY_MAX_SOURCES 2
/* Save ROM and a few bytes of RAM by specifying our own ciphersuite list */
#define MBEDTLS_SSL_CIPHERSUITES \
MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, \
MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
/*
* Save RAM at the expense of interoperability: do this only if you control
* both ends of the connection! (See comments in "mbedtls/ssl.h".)
* The minimum size here depends on the certificate chain used as well as the
* typical size of records.
*/
#define MBEDTLS_SSL_IN_CONTENT_LEN 1024
#define MBEDTLS_SSL_OUT_CONTENT_LEN 1024
/* Error messages and TLS debugging traces
* (huge code size increase, needed for tests/ssl-opt.sh) */
//#define MBEDTLS_DEBUG_C
//#define MBEDTLS_ERROR_C
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