2 * Minimal configuration for using TLS as part of Thread
4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
5 * SPDX-License-Identifier: Apache-2.0
7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
8 * not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 * This file is part of mbed TLS (https://tls.mbed.org)
23 * Minimal configuration for using TLS a part of Thread
24 * http://threadgroup.org/
26 * Distinguishing features:
27 * - no RSA or classic DH, fully based on ECC
29 * - support for experimental EC J-PAKE key exchange
31 * See README.txt for usage instructions.
34 #ifndef MBEDTLS_CONFIG_H
35 #define MBEDTLS_CONFIG_H
38 #define MBEDTLS_HAVE_ASM
40 /* mbed TLS feature support */
41 #define MBEDTLS_AES_ROM_TABLES
42 #define MBEDTLS_ECP_DP_SECP256R1_ENABLED
43 #define MBEDTLS_ECP_NIST_OPTIM
44 #define MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED
45 #define MBEDTLS_SSL_MAX_FRAGMENT_LENGTH
46 #define MBEDTLS_SSL_PROTO_TLS1_2
47 #define MBEDTLS_SSL_PROTO_DTLS
48 #define MBEDTLS_SSL_DTLS_ANTI_REPLAY
49 #define MBEDTLS_SSL_DTLS_HELLO_VERIFY
50 #define MBEDTLS_SSL_EXPORT_KEYS
52 /* mbed TLS modules */
54 #define MBEDTLS_ASN1_PARSE_C
55 #define MBEDTLS_ASN1_WRITE_C
56 #define MBEDTLS_BIGNUM_C
58 #define MBEDTLS_CIPHER_C
59 #define MBEDTLS_CTR_DRBG_C
60 #define MBEDTLS_CMAC_C
61 #define MBEDTLS_ECJPAKE_C
63 #define MBEDTLS_ENTROPY_C
64 #define MBEDTLS_HMAC_DRBG_C
68 #define MBEDTLS_PK_PARSE_C
69 #define MBEDTLS_SHA256_C
70 #define MBEDTLS_SSL_COOKIE_C
71 #define MBEDTLS_SSL_CLI_C
72 #define MBEDTLS_SSL_SRV_C
73 #define MBEDTLS_SSL_TLS_C
75 /* For tests using ssl-opt.sh */
77 #define MBEDTLS_TIMING_C
79 /* Save RAM at the expense of ROM */
80 #define MBEDTLS_AES_ROM_TABLES
82 /* Save RAM by adjusting to our exact needs */
83 #define MBEDTLS_ECP_MAX_BITS 256
84 #define MBEDTLS_MPI_MAX_SIZE 32 // 256 bits is 32 bytes
86 /* Save ROM and a few bytes of RAM by specifying our own ciphersuite list */
87 #define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECJPAKE_WITH_AES_128_CCM_8
89 #include "mbedtls/check_config.h"
91 #endif /* MBEDTLS_CONFIG_H */