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