99 lines
3.3 KiB
C
99 lines
3.3 KiB
C
/**
|
|
* \file config-ccm-psk-tls1_2.h
|
|
*
|
|
* \brief Minimal configuration for TLS 1.2 with PSK and AES-CCM ciphersuites
|
|
*/
|
|
/*
|
|
* Copyright The Mbed TLS Contributors
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
* not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
/*
|
|
* Minimal configuration for TLS 1.2 with PSK and AES-CCM ciphersuites
|
|
*
|
|
* Distinguishing features:
|
|
* - Optimized for small code size, low bandwidth (on a reliable transport),
|
|
* and low RAM usage.
|
|
* - No asymmetric cryptography (no certificates, no Diffie-Hellman key
|
|
* exchange).
|
|
* - Fully modern and secure (provided the pre-shared keys are generated and
|
|
* stored securely).
|
|
* - Very low record overhead with CCM-8.
|
|
*
|
|
* See README.txt for usage instructions.
|
|
*/
|
|
|
|
/* System support */
|
|
//#define MBEDTLS_HAVE_TIME /* Optionally used in Hello messages */
|
|
/* Other MBEDTLS_HAVE_XXX flags irrelevant for this configuration */
|
|
|
|
/* Mbed TLS modules */
|
|
#define MBEDTLS_AES_C
|
|
#define MBEDTLS_CCM_C
|
|
#define MBEDTLS_CIPHER_C
|
|
#define MBEDTLS_CTR_DRBG_C
|
|
#define MBEDTLS_ENTROPY_C
|
|
#define MBEDTLS_MD_C
|
|
#define MBEDTLS_NET_C
|
|
/* The library does not currently support enabling SHA-224 without SHA-256.
|
|
* A future version of the library will have this option disabled
|
|
* by default. */
|
|
#define MBEDTLS_SHA224_C
|
|
#define MBEDTLS_SHA256_C
|
|
#define MBEDTLS_SSL_CLI_C
|
|
#define MBEDTLS_SSL_SRV_C
|
|
#define MBEDTLS_SSL_TLS_C
|
|
|
|
/* TLS protocol feature support */
|
|
#define MBEDTLS_KEY_EXCHANGE_PSK_ENABLED
|
|
#define MBEDTLS_SSL_PROTO_TLS1_2
|
|
|
|
/*
|
|
* Use only CCM_8 ciphersuites, and
|
|
* save ROM and a few bytes of RAM by specifying our own ciphersuite list
|
|
*/
|
|
#define MBEDTLS_SSL_CIPHERSUITES \
|
|
MBEDTLS_TLS_PSK_WITH_AES_256_CCM_8, \
|
|
MBEDTLS_TLS_PSK_WITH_AES_128_CCM_8
|
|
|
|
/*
|
|
* 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 optimal size here depends on the typical size of records.
|
|
*/
|
|
#define MBEDTLS_SSL_IN_CONTENT_LEN 1024
|
|
#define MBEDTLS_SSL_OUT_CONTENT_LEN 1024
|
|
|
|
/* Save RAM at the expense of ROM */
|
|
#define MBEDTLS_AES_ROM_TABLES
|
|
|
|
/* Save some RAM by adjusting to your exact needs */
|
|
#define MBEDTLS_PSK_MAX_LEN 16 /* 128-bits keys are generally enough */
|
|
|
|
/*
|
|
* You should adjust this to the exact number of sources you're using: default
|
|
* is the "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
|
|
|
|
/* These defines are present so that the config modifying scripts can enable
|
|
* them during tests/scripts/test-ref-configs.pl */
|
|
//#define MBEDTLS_USE_PSA_CRYPTO
|
|
//#define MBEDTLS_PSA_CRYPTO_C
|
|
|
|
/* Error messages and TLS debugging traces
|
|
* (huge code size increase, needed for tests/ssl-opt.sh) */
|
|
//#define MBEDTLS_DEBUG_C
|
|
//#define MBEDTLS_ERROR_C
|