1*62c56f98SSadaf Ebrahimi /** 2*62c56f98SSadaf Ebrahimi * \file config-suite-b.h 3*62c56f98SSadaf Ebrahimi * 4*62c56f98SSadaf Ebrahimi * \brief Minimal configuration for TLS NSA Suite B Profile (RFC 6460) 5*62c56f98SSadaf Ebrahimi */ 6*62c56f98SSadaf Ebrahimi /* 7*62c56f98SSadaf Ebrahimi * Copyright The Mbed TLS Contributors 8*62c56f98SSadaf Ebrahimi * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later 9*62c56f98SSadaf Ebrahimi */ 10*62c56f98SSadaf Ebrahimi /* 11*62c56f98SSadaf Ebrahimi * Minimal configuration for TLS NSA Suite B Profile (RFC 6460) 12*62c56f98SSadaf Ebrahimi * 13*62c56f98SSadaf Ebrahimi * Distinguishing features: 14*62c56f98SSadaf Ebrahimi * - no RSA or classic DH, fully based on ECC 15*62c56f98SSadaf Ebrahimi * - optimized for low RAM usage 16*62c56f98SSadaf Ebrahimi * 17*62c56f98SSadaf Ebrahimi * Possible improvements: 18*62c56f98SSadaf Ebrahimi * - if 128-bit security is enough, disable secp384r1 and SHA-512 19*62c56f98SSadaf Ebrahimi * - use embedded certs in DER format and disable PEM_PARSE_C and BASE64_C 20*62c56f98SSadaf Ebrahimi * 21*62c56f98SSadaf Ebrahimi * See README.txt for usage instructions. 22*62c56f98SSadaf Ebrahimi */ 23*62c56f98SSadaf Ebrahimi 24*62c56f98SSadaf Ebrahimi /* System support */ 25*62c56f98SSadaf Ebrahimi #define MBEDTLS_HAVE_ASM 26*62c56f98SSadaf Ebrahimi #define MBEDTLS_HAVE_TIME 27*62c56f98SSadaf Ebrahimi 28*62c56f98SSadaf Ebrahimi /* Mbed TLS feature support */ 29*62c56f98SSadaf Ebrahimi #define MBEDTLS_ECP_DP_SECP256R1_ENABLED 30*62c56f98SSadaf Ebrahimi #define MBEDTLS_ECP_DP_SECP384R1_ENABLED 31*62c56f98SSadaf Ebrahimi #define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED 32*62c56f98SSadaf Ebrahimi #define MBEDTLS_SSL_PROTO_TLS1_2 33*62c56f98SSadaf Ebrahimi 34*62c56f98SSadaf Ebrahimi /* Mbed TLS modules */ 35*62c56f98SSadaf Ebrahimi #define MBEDTLS_AES_C 36*62c56f98SSadaf Ebrahimi #define MBEDTLS_ASN1_PARSE_C 37*62c56f98SSadaf Ebrahimi #define MBEDTLS_ASN1_WRITE_C 38*62c56f98SSadaf Ebrahimi #define MBEDTLS_BIGNUM_C 39*62c56f98SSadaf Ebrahimi #define MBEDTLS_CIPHER_C 40*62c56f98SSadaf Ebrahimi #define MBEDTLS_CTR_DRBG_C 41*62c56f98SSadaf Ebrahimi #define MBEDTLS_ECDH_C 42*62c56f98SSadaf Ebrahimi #define MBEDTLS_ECDSA_C 43*62c56f98SSadaf Ebrahimi #define MBEDTLS_ECP_C 44*62c56f98SSadaf Ebrahimi #define MBEDTLS_ENTROPY_C 45*62c56f98SSadaf Ebrahimi #define MBEDTLS_GCM_C 46*62c56f98SSadaf Ebrahimi #define MBEDTLS_MD_C 47*62c56f98SSadaf Ebrahimi #define MBEDTLS_NET_C 48*62c56f98SSadaf Ebrahimi #define MBEDTLS_OID_C 49*62c56f98SSadaf Ebrahimi #define MBEDTLS_PK_C 50*62c56f98SSadaf Ebrahimi #define MBEDTLS_PK_PARSE_C 51*62c56f98SSadaf Ebrahimi #define MBEDTLS_SHA256_C 52*62c56f98SSadaf Ebrahimi #define MBEDTLS_SHA384_C 53*62c56f98SSadaf Ebrahimi #define MBEDTLS_SHA512_C 54*62c56f98SSadaf Ebrahimi #define MBEDTLS_SSL_CLI_C 55*62c56f98SSadaf Ebrahimi #define MBEDTLS_SSL_SRV_C 56*62c56f98SSadaf Ebrahimi #define MBEDTLS_SSL_TLS_C 57*62c56f98SSadaf Ebrahimi #define MBEDTLS_X509_CRT_PARSE_C 58*62c56f98SSadaf Ebrahimi #define MBEDTLS_X509_USE_C 59*62c56f98SSadaf Ebrahimi 60*62c56f98SSadaf Ebrahimi /* For test certificates */ 61*62c56f98SSadaf Ebrahimi #define MBEDTLS_BASE64_C 62*62c56f98SSadaf Ebrahimi #define MBEDTLS_PEM_PARSE_C 63*62c56f98SSadaf Ebrahimi 64*62c56f98SSadaf Ebrahimi /* Save RAM at the expense of ROM */ 65*62c56f98SSadaf Ebrahimi #define MBEDTLS_AES_ROM_TABLES 66*62c56f98SSadaf Ebrahimi 67*62c56f98SSadaf Ebrahimi /* Save RAM by adjusting to our exact needs */ 68*62c56f98SSadaf Ebrahimi #define MBEDTLS_MPI_MAX_SIZE 48 // 384-bit EC curve = 48 bytes 69*62c56f98SSadaf Ebrahimi 70*62c56f98SSadaf Ebrahimi /* Save RAM at the expense of speed, see ecp.h */ 71*62c56f98SSadaf Ebrahimi #define MBEDTLS_ECP_WINDOW_SIZE 2 72*62c56f98SSadaf Ebrahimi #define MBEDTLS_ECP_FIXED_POINT_OPTIM 0 73*62c56f98SSadaf Ebrahimi 74*62c56f98SSadaf Ebrahimi /* Significant speed benefit at the expense of some ROM */ 75*62c56f98SSadaf Ebrahimi #define MBEDTLS_ECP_NIST_OPTIM 76*62c56f98SSadaf Ebrahimi 77*62c56f98SSadaf Ebrahimi /* 78*62c56f98SSadaf Ebrahimi * You should adjust this to the exact number of sources you're using: default 79*62c56f98SSadaf Ebrahimi * is the "mbedtls_platform_entropy_poll" source, but you may want to add other ones. 80*62c56f98SSadaf Ebrahimi * Minimum is 2 for the entropy test suite. 81*62c56f98SSadaf Ebrahimi */ 82*62c56f98SSadaf Ebrahimi #define MBEDTLS_ENTROPY_MAX_SOURCES 2 83*62c56f98SSadaf Ebrahimi 84*62c56f98SSadaf Ebrahimi /* Save ROM and a few bytes of RAM by specifying our own ciphersuite list */ 85*62c56f98SSadaf Ebrahimi #define MBEDTLS_SSL_CIPHERSUITES \ 86*62c56f98SSadaf Ebrahimi MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, \ 87*62c56f98SSadaf Ebrahimi MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 88*62c56f98SSadaf Ebrahimi 89*62c56f98SSadaf Ebrahimi /* 90*62c56f98SSadaf Ebrahimi * Save RAM at the expense of interoperability: do this only if you control 91*62c56f98SSadaf Ebrahimi * both ends of the connection! (See comments in "mbedtls/ssl.h".) 92*62c56f98SSadaf Ebrahimi * The minimum size here depends on the certificate chain used as well as the 93*62c56f98SSadaf Ebrahimi * typical size of records. 94*62c56f98SSadaf Ebrahimi */ 95*62c56f98SSadaf Ebrahimi #define MBEDTLS_SSL_IN_CONTENT_LEN 1024 96*62c56f98SSadaf Ebrahimi #define MBEDTLS_SSL_OUT_CONTENT_LEN 1024 97*62c56f98SSadaf Ebrahimi 98*62c56f98SSadaf Ebrahimi /* These defines are present so that the config modifying scripts can enable 99*62c56f98SSadaf Ebrahimi * them during tests/scripts/test-ref-configs.pl */ 100*62c56f98SSadaf Ebrahimi //#define MBEDTLS_USE_PSA_CRYPTO 101*62c56f98SSadaf Ebrahimi //#define MBEDTLS_PSA_CRYPTO_C 102*62c56f98SSadaf Ebrahimi 103*62c56f98SSadaf Ebrahimi /* Error messages and TLS debugging traces 104*62c56f98SSadaf Ebrahimi * (huge code size increase, needed for tests/ssl-opt.sh) */ 105*62c56f98SSadaf Ebrahimi //#define MBEDTLS_DEBUG_C 106*62c56f98SSadaf Ebrahimi //#define MBEDTLS_ERROR_C 107