mbed TLS library
Dependents: HTTPClient-SSL WS_SERVER
Diff: configs/config-ccm-psk-tls1_2.h
- Revision:
- 0:137634ff4186
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/configs/config-ccm-psk-tls1_2.h Thu Jun 11 03:27:03 2015 +0000 @@ -0,0 +1,68 @@ +/* + * 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 /* Now mandatory for NET_C */ +//#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 +#define POLARSSL_SSL_DISABLE_RENEGOTIATION + +/* 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 "polarssl/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 */ +