Manuel Pégourié-Gonnard | 1a74a26 | 2014-06-24 15:51:32 +0200 | [diff] [blame] | 1 | /* |
Manuel Pégourié-Gonnard | 8119dad | 2015-08-06 10:59:26 +0200 | [diff] [blame] | 2 | * Minimal configuration for TLS 1.2 with PSK and AES-CCM ciphersuites |
| 3 | * |
| 4 | * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved |
Manuel Pégourié-Gonnard | 37ff140 | 2015-09-04 14:21:07 +0200 | [diff] [blame] | 5 | * SPDX-License-Identifier: Apache-2.0 |
| 6 | * |
| 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 |
| 10 | * |
| 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 12 | * |
| 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. |
Manuel Pégourié-Gonnard | 8119dad | 2015-08-06 10:59:26 +0200 | [diff] [blame] | 18 | * |
| 19 | * This file is part of mbed TLS (https://tls.mbed.org) |
Manuel Pégourié-Gonnard | 8119dad | 2015-08-06 10:59:26 +0200 | [diff] [blame] | 20 | */ |
| 21 | /* |
Manuel Pégourié-Gonnard | 1a74a26 | 2014-06-24 15:51:32 +0200 | [diff] [blame] | 22 | * Minimal configuration for TLS 1.2 with PSK and AES-CCM ciphersuites |
Manuel Pégourié-Gonnard | 0ac844c | 2014-06-24 16:30:49 +0200 | [diff] [blame] | 23 | * Distinguishing features: |
| 24 | * - no bignum, no PK, no X509 |
| 25 | * - fully modern and secure (provided the pre-shared keys have high entropy) |
Manuel Pégourié-Gonnard | cc10f4d | 2014-06-30 19:22:44 +0200 | [diff] [blame] | 26 | * - very low record overhead with CCM-8 |
Manuel Pégourié-Gonnard | 0ac844c | 2014-06-24 16:30:49 +0200 | [diff] [blame] | 27 | * - optimized for low RAM usage |
Manuel Pégourié-Gonnard | 1a74a26 | 2014-06-24 15:51:32 +0200 | [diff] [blame] | 28 | * |
| 29 | * See README.txt for usage instructions. |
| 30 | */ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 31 | #ifndef MBEDTLS_CONFIG_H |
| 32 | #define MBEDTLS_CONFIG_H |
Manuel Pégourié-Gonnard | 1a74a26 | 2014-06-24 15:51:32 +0200 | [diff] [blame] | 33 | |
| 34 | /* System support */ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 35 | //#define MBEDTLS_HAVE_TIME /* Optionally used in Hello messages */ |
| 36 | /* Other MBEDTLS_HAVE_XXX flags irrelevant for this configuration */ |
Manuel Pégourié-Gonnard | 1a74a26 | 2014-06-24 15:51:32 +0200 | [diff] [blame] | 37 | |
Manuel Pégourié-Gonnard | b4fe3cb | 2015-01-22 16:11:05 +0000 | [diff] [blame] | 38 | /* mbed TLS feature support */ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 39 | #define MBEDTLS_KEY_EXCHANGE_PSK_ENABLED |
| 40 | #define MBEDTLS_SSL_PROTO_TLS1_2 |
Manuel Pégourié-Gonnard | 1a74a26 | 2014-06-24 15:51:32 +0200 | [diff] [blame] | 41 | |
Manuel Pégourié-Gonnard | b4fe3cb | 2015-01-22 16:11:05 +0000 | [diff] [blame] | 42 | /* mbed TLS modules */ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 43 | #define MBEDTLS_AES_C |
| 44 | #define MBEDTLS_CCM_C |
| 45 | #define MBEDTLS_CIPHER_C |
| 46 | #define MBEDTLS_CTR_DRBG_C |
| 47 | #define MBEDTLS_ENTROPY_C |
| 48 | #define MBEDTLS_MD_C |
| 49 | #define MBEDTLS_NET_C |
| 50 | #define MBEDTLS_SHA256_C |
| 51 | #define MBEDTLS_SSL_CLI_C |
| 52 | #define MBEDTLS_SSL_SRV_C |
| 53 | #define MBEDTLS_SSL_TLS_C |
Manuel Pégourié-Gonnard | 1a74a26 | 2014-06-24 15:51:32 +0200 | [diff] [blame] | 54 | |
Manuel Pégourié-Gonnard | 0ac844c | 2014-06-24 16:30:49 +0200 | [diff] [blame] | 55 | /* Save RAM at the expense of ROM */ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 56 | #define MBEDTLS_AES_ROM_TABLES |
Manuel Pégourié-Gonnard | 0ac844c | 2014-06-24 16:30:49 +0200 | [diff] [blame] | 57 | |
Manuel Pégourié-Gonnard | ac7dd33 | 2014-07-03 16:17:59 +0200 | [diff] [blame] | 58 | /* Save some RAM by adjusting to your exact needs */ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 59 | #define MBEDTLS_PSK_MAX_LEN 16 /* 128-bits keys are generally enough */ |
Manuel Pégourié-Gonnard | ac7dd33 | 2014-07-03 16:17:59 +0200 | [diff] [blame] | 60 | |
Manuel Pégourié-Gonnard | 0ac844c | 2014-06-24 16:30:49 +0200 | [diff] [blame] | 61 | /* |
| 62 | * You should adjust this to the exact number of sources you're using: default |
Manuel Pégourié-Gonnard | 66e20c6 | 2014-06-24 17:47:40 +0200 | [diff] [blame] | 63 | * is the "platform_entropy_poll" source, but you may want to add other ones |
| 64 | * Minimum is 2 for the entropy test suite. |
Manuel Pégourié-Gonnard | 0ac844c | 2014-06-24 16:30:49 +0200 | [diff] [blame] | 65 | */ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 66 | #define MBEDTLS_ENTROPY_MAX_SOURCES 2 |
Manuel Pégourié-Gonnard | 0ac844c | 2014-06-24 16:30:49 +0200 | [diff] [blame] | 67 | |
| 68 | /* |
Manuel Pégourié-Gonnard | cc10f4d | 2014-06-30 19:22:44 +0200 | [diff] [blame] | 69 | * Use only CCM_8 ciphersuites, and |
| 70 | * save ROM and a few bytes of RAM by specifying our own ciphersuite list |
| 71 | */ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 72 | #define MBEDTLS_SSL_CIPHERSUITES \ |
| 73 | MBEDTLS_TLS_PSK_WITH_AES_256_CCM_8, \ |
| 74 | MBEDTLS_TLS_PSK_WITH_AES_128_CCM_8 |
Manuel Pégourié-Gonnard | ac7dd33 | 2014-07-03 16:17:59 +0200 | [diff] [blame] | 75 | |
Manuel Pégourié-Gonnard | cc10f4d | 2014-06-30 19:22:44 +0200 | [diff] [blame] | 76 | /* |
Manuel Pégourié-Gonnard | 0ac844c | 2014-06-24 16:30:49 +0200 | [diff] [blame] | 77 | * Save RAM at the expense of interoperability: do this only if you control |
Manuel Pégourié-Gonnard | 7f80997 | 2015-03-09 17:05:11 +0000 | [diff] [blame] | 78 | * both ends of the connection! (See comments in "mbedtls/ssl.h".) |
Manuel Pégourié-Gonnard | e38eb0b | 2014-06-24 17:30:05 +0200 | [diff] [blame] | 79 | * The optimal size here depends on the typical size of records. |
Manuel Pégourié-Gonnard | 0ac844c | 2014-06-24 16:30:49 +0200 | [diff] [blame] | 80 | */ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 81 | #define MBEDTLS_SSL_MAX_CONTENT_LEN 512 |
Manuel Pégourié-Gonnard | 0ac844c | 2014-06-24 16:30:49 +0200 | [diff] [blame] | 82 | |
Pascal Bach | 5e4c206 | 2015-09-15 21:38:12 +0200 | [diff] [blame] | 83 | #include "mbedtls/check_config.h" |
Manuel Pégourié-Gonnard | 1a74a26 | 2014-06-24 15:51:32 +0200 | [diff] [blame] | 84 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 85 | #endif /* MBEDTLS_CONFIG_H */ |