mbedtls/configs/config-ccm-psk-tls1_2.h
2015-03-10 11:30:43 +00:00

67 lines
2.0 KiB
C

/*
* Minimal configuration for TLS 1.2 with PSK and AES-CCM ciphersuites
* Distinguishing features:
* - no bignum, no PK, no X509
* - fully modern and secure (provided the pre-shared keys have high entropy)
* - very low record overhead with CCM-8
* - optimized for low RAM usage
*
* See README.txt for usage instructions.
*/
#ifndef POLARSSL_CONFIG_H
#define POLARSSL_CONFIG_H
/* System support */
//#define POLARSSL_HAVE_IPV6 /* Optional */
//#define POLARSSL_HAVE_TIME /* Optionally used in Hello messages */
/* Other POLARSSL_HAVE_XXX flags irrelevant for this configuration */
/* mbed TLS feature support */
#define POLARSSL_KEY_EXCHANGE_PSK_ENABLED
#define POLARSSL_SSL_PROTO_TLS1_2
/* mbed TLS modules */
#define POLARSSL_AES_C
#define POLARSSL_CCM_C
#define POLARSSL_CIPHER_C
#define POLARSSL_CTR_DRBG_C
#define POLARSSL_ENTROPY_C
#define POLARSSL_MD_C
#define POLARSSL_NET_C
#define POLARSSL_SHA256_C
#define POLARSSL_SSL_CLI_C
#define POLARSSL_SSL_SRV_C
#define POLARSSL_SSL_TLS_C
/* Save RAM at the expense of ROM */
#define POLARSSL_AES_ROM_TABLES
/* Save some RAM by adjusting to your exact needs */
#define POLARSSL_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 ENTROPY_MAX_SOURCES 2
/*
* Use only CCM_8 ciphersuites, and
* save ROM and a few bytes of RAM by specifying our own ciphersuite list
*/
#define SSL_CIPHERSUITES \
TLS_PSK_WITH_AES_256_CCM_8, \
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 SSL_MAX_CONTENT_LEN 512
#include "check_config.h"
#endif /* POLARSSL_CONFIG_H */