mirror of
https://github.com/Mbed-TLS/mbedtls.git
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79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/**
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* \file config-ccm-psk-tls1_2.h
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*
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* \brief Minimal configuration for TLS 1.2 with PSK and AES-CCM ciphersuites
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*/
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/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*/
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/*
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* Minimal configuration for TLS 1.2 with PSK and AES-CCM ciphersuites
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*
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* Distinguishing features:
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* - Optimized for small code size, low bandwidth (on a reliable transport),
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* and low RAM usage.
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* - No asymmetric cryptography (no certificates, no Diffie-Hellman key
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* exchange).
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* - Fully modern and secure (provided the pre-shared keys are generated and
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* stored securely).
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* - Very low record overhead with CCM-8.
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*
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* See README.txt for usage instructions.
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*/
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#define MBEDTLS_PSA_CRYPTO_CONFIG_FILE "../configs/crypto-config-ccm-psk-tls1_2.h"
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#define MBEDTLS_PSA_CRYPTO_C
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#define MBEDTLS_USE_PSA_CRYPTO
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/* System support */
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//#define MBEDTLS_HAVE_TIME /* Optionally used in Hello messages */
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/* Other MBEDTLS_HAVE_XXX flags irrelevant for this configuration */
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/* Mbed TLS modules */
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#define MBEDTLS_CTR_DRBG_C
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#define MBEDTLS_ENTROPY_C
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#define MBEDTLS_NET_C
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#define MBEDTLS_SSL_CLI_C
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#define MBEDTLS_SSL_SRV_C
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#define MBEDTLS_SSL_TLS_C
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/* TLS protocol feature support */
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#define MBEDTLS_KEY_EXCHANGE_PSK_ENABLED
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#define MBEDTLS_SSL_PROTO_TLS1_2
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/*
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* Use only CCM_8 ciphersuites, and
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* save ROM and a few bytes of RAM by specifying our own ciphersuite list
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*/
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#define MBEDTLS_SSL_CIPHERSUITES \
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MBEDTLS_TLS_PSK_WITH_AES_256_CCM_8, \
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MBEDTLS_TLS_PSK_WITH_AES_128_CCM_8
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/*
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* Save RAM at the expense of interoperability: do this only if you control
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* both ends of the connection! (See comments in "mbedtls/ssl.h".)
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* The optimal size here depends on the typical size of records.
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*/
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#define MBEDTLS_SSL_IN_CONTENT_LEN 1024
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#define MBEDTLS_SSL_OUT_CONTENT_LEN 1024
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/* Save RAM at the expense of ROM */
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#define MBEDTLS_AES_ROM_TABLES
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/* Save some RAM by adjusting to your exact needs */
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#define MBEDTLS_PSK_MAX_LEN 16 /* 128-bits keys are generally enough */
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/*
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* You should adjust this to the exact number of sources you're using: default
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* is the "platform_entropy_poll" source, but you may want to add other ones
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* Minimum is 2 for the entropy test suite.
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*/
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#define MBEDTLS_ENTROPY_MAX_SOURCES 2
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/* Error messages and TLS debugging traces
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* (huge code size increase, needed for tests/ssl-opt.sh) */
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//#define MBEDTLS_DEBUG_C
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//#define MBEDTLS_ERROR_C
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