2019-05-01 00:27:23 +08:00
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/**
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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 (C) 2006-2015, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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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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* Distinguishing features:
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* - no bignum, no PK, no X509
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* - fully modern and secure (provided the pre-shared keys have high entropy)
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* - very low record overhead with CCM-8
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* - optimized for low RAM usage
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*
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* See README.txt for usage instructions.
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*/
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#ifndef MBEDTLS_CONFIG_H
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#define MBEDTLS_CONFIG_H
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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 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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/* mbed TLS modules */
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#define MBEDTLS_AES_C
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#define MBEDTLS_CCM_C
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#define MBEDTLS_CIPHER_C
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#define MBEDTLS_CTR_DRBG_C
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#define MBEDTLS_ENTROPY_C
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#define MBEDTLS_MD_C
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#define MBEDTLS_NET_C
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#define MBEDTLS_SHA256_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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/* 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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/*
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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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2020-02-27 19:23:58 +08:00
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#define MBEDTLS_SSL_MAX_CONTENT_LEN 1024
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2019-05-01 00:27:23 +08:00
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#include "mbedtls/check_config.h"
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#endif /* MBEDTLS_CONFIG_H */
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