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/*
* Minimal configuration for TLS NSA Suite B Profile (RFC 6460)
*
* Distinguishing features:
* - no RSA or classic DH, fully based on ECC
* - optimized for low RAM usage
*
* Possible improvements:
* - if 128-bit security is enough, disable secp384r1 and SHA-512
* - use embedded certs in DER format and disable PEM_PARSE_C and BASE64_C
*
* See README.txt for usage instructions.
*/
#ifndef POLARSSL_CONFIG_H
#define POLARSSL_CONFIG_H
/* System support */
#define POLARSSL_HAVE_ASM
#define POLARSSL_HAVE_TIME
#define POLARSSL_HAVE_IPV6
/* PolarSSL feature support */
#define POLARSSL_ECP_DP_SECP256R1_ENABLED
#define POLARSSL_ECP_DP_SECP384R1_ENABLED
#define POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
#define POLARSSL_SSL_PROTO_TLS1_2
/* PolarSSL modules */
#define POLARSSL_AES_C
#define POLARSSL_ASN1_PARSE_C
#define POLARSSL_ASN1_WRITE_C
#define POLARSSL_BIGNUM_C
#define POLARSSL_CIPHER_C
#define POLARSSL_CTR_DRBG_C
#define POLARSSL_ECDH_C
#define POLARSSL_ECDSA_C
#define POLARSSL_ECP_C
#define POLARSSL_ENTROPY_C
#define POLARSSL_GCM_C
#define POLARSSL_MD_C
#define POLARSSL_NET_C
#define POLARSSL_OID_C
#define POLARSSL_PK_C
#define POLARSSL_PK_PARSE_C
#define POLARSSL_SHA256_C
#define POLARSSL_SHA512_C
#define POLARSSL_SSL_CLI_C
#define POLARSSL_SSL_SRV_C
#define POLARSSL_SSL_TLS_C
#define POLARSSL_X509_CRT_PARSE_C
#define POLARSSL_X509_USE_C
/* For test certificates */
#define POLARSSL_BASE64_C
#define POLARSSL_CERTS_C
#define POLARSSL_PEM_PARSE_C
/* Save RAM at the expense of ROM */
#define POLARSSL_AES_ROM_TABLES
/* Save RAM by adjusting to our exact needs */
#define POLARSSL_ECP_MAX_BITS 384
#define POLARSSL_MPI_MAX_SIZE 48 // 384 bits is 48 bytes
/* Save RAM at the expense of speed, see ecp.h */
#define POLARSSL_ECP_WINDOW_SIZE 2
#define POLARSSL_ECP_FIXED_POINT_OPTIM 0
/* Uncomment for a significant speed benefit at the expense of some ROM */
//#define POLARSSL_ECP_NIST_OPTIM
/*
* 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
/* Save ROM and a few bytes of RAM by specifying our own ciphersuite list */
#define SSL_CIPHERSUITES \
TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, \
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
/*
* Save RAM at the expense of interoperability: do this only if you control
* both ends of the connection! (See coments in "polarssl/ssl.h".)
* The minimum size here depends on the certificate chain used as well as the
* typical size of records.
*/
#define SSL_MAX_CONTENT_LEN 1024
#include "polarssl/check_config.h"
#endif /* POLARSSL_CONFIG_H */