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TinyCrypt SSL: Impl. ECDH-param extraction from CRT for TinyCrypt

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This commit is contained in:
Hanno Becker 2019-09-01 09:47:23 +01:00
parent ecf5d3fdb1
commit b3a244847d
2 changed files with 51 additions and 12 deletions
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21
library/ssl_srv.c
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@ -3198,6 +3198,26 @@ static int ssl_write_certificate_request( mbedtls_ssl_context *ssl )
#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) || \
defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
#if defined(MBEDTLS_USE_TINYCRYPT)
static int ssl_get_ecdh_params_from_cert( mbedtls_ssl_context *ssl )
{
mbedtls_uecc_keypair *own_key =
mbedtls_pk_uecc( *mbedtls_ssl_own_key( ssl ) );
if( ! mbedtls_pk_can_do( mbedtls_ssl_own_key( ssl ), MBEDTLS_PK_ECKEY ) )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "server key not ECDH capable" ) );
return( MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH );
}
memcpy( ssl->handshake->ecdh_privkey,
own_key->private_key,
sizeof( ssl->handshake->ecdh_privkey ) );
return( 0 );
}
#else /* MBEDTLS_USE_TINYCRYPT */
static int ssl_get_ecdh_params_from_cert( mbedtls_ssl_context *ssl )
{
int ret;
@ -3218,6 +3238,7 @@ static int ssl_get_ecdh_params_from_cert( mbedtls_ssl_context *ssl )
return( 0 );
}
#endif /* MBEDTLS_USE_TINYCRYPT */
#endif /* MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||
MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED */