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tinyCrypt: Initial commit towards ECDHE support

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This commit is a first step towards using uECC for ECDH
during TLS handshakes.
This commit is contained in:
Jarno Lamsa 2019-04-04 18:32:56 +03:00 • committed by Hanno Becker
parent 36ae758798
commit e12aafbdc7
4 changed files with 155 additions and 21 deletions
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18
include/mbedtls/ssl_internal.h
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@ -53,6 +53,11 @@
#include "ecjpake.h"
#endif
#if defined(MBEDTLS_USE_TINYCRYPT)
#include "tinycrypt/ecc.h"
#include "tinycrypt/ecc_dh.h"
#endif
#if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
!defined(inline) && !defined(__cplusplus)
#define inline __inline
@ -381,10 +386,17 @@ struct mbedtls_ssl_handshake_params
size_t ecjpake_cache_len; /*!< Length of cached data */
#endif
#endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
#if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \
#if defined(MBEDTLS_ECDH_C) || \
defined(MBEDTLS_ECDSA_C) || \
defined(MBEDTLS_USE_TINYCRYPT) || \
defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
uint16_t curve_tls_id; /*!< TLS ID of EC for ECDHE. */
#endif
#if defined(MBEDTLS_USE_TINYCRYPT)
uint8_t ecdh_privkey[NUM_ECC_BYTES];
uint8_t ecdh_ownpubkey[2*NUM_ECC_BYTES];
uint8_t ecdh_peerkey[2*NUM_ECC_BYTES];
#endif /* MBEDTLS_USE_TINYCRYPT */
#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
unsigned char *psk; /*!< PSK from the callback */
size_t psk_len; /*!< Length of PSK from callback */
@ -890,6 +902,10 @@ int mbedtls_ssl_handle_message_type( mbedtls_ssl_context *ssl );
int mbedtls_ssl_prepare_handshake_record( mbedtls_ssl_context *ssl );
void mbedtls_ssl_update_handshake_status( mbedtls_ssl_context *ssl );
#if defined(MBEDTLS_USE_TINYCRYPT)
int mbetls_uecc_rng_wrapper( uint8_t *dest, unsigned int size );
#endif
/**
* \brief Update record layer
*