Convert TLS1.3 functions to get_supported_groups
Signed-off-by: Brett Warren <brett.warren@arm.com>
diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index 633bb8d..8fe2232 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -117,36 +117,35 @@
* 'elliptic_curves' and only contained elliptic curve groups.
*/
static int ssl_tls13_write_named_group_list_ecdhe( mbedtls_ssl_context *ssl,
- unsigned char *buf,
- unsigned char *end,
- size_t *olen )
+ unsigned char *buf,
+ unsigned char *end,
+ size_t *olen )
{
unsigned char *p = buf;
*olen = 0;
- if( ssl->conf->curve_list == NULL )
+ const uint16_t *group_list = mbedtls_ssl_get_groups( ssl );
+
+ if( group_list == NULL )
return( MBEDTLS_ERR_SSL_BAD_CONFIG );
- for ( const mbedtls_ecp_group_id *grp_id = ssl->conf->curve_list;
- *grp_id != MBEDTLS_ECP_DP_NONE;
- grp_id++ )
+ for ( ; *group_list != 0; group_list++ )
{
const mbedtls_ecp_curve_info *info;
- info = mbedtls_ecp_curve_info_from_grp_id( *grp_id );
+ info = mbedtls_ecp_curve_info_from_tls_id( *group_list );
if( info == NULL )
continue;
- if( !mbedtls_ssl_tls13_named_group_is_ecdhe( info->tls_id ) )
+ if( !mbedtls_ssl_tls13_named_group_is_ecdhe( *group_list ) )
continue;
MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2);
- MBEDTLS_PUT_UINT16_BE( info->tls_id, p, 0 );
+ MBEDTLS_PUT_UINT16_BE( *group_list, p, 0 );
p += 2;
MBEDTLS_SSL_DEBUG_MSG( 3, ( "NamedGroup: %s ( %x )",
- mbedtls_ecp_curve_info_from_tls_id( info->tls_id )->name,
- info->tls_id ) );
+ info->name, *group_list ) );
}
*olen = p - buf;
@@ -301,20 +300,19 @@
#if defined(MBEDTLS_ECDH_C)
+ const uint16_t *group_list = mbedtls_ssl_get_groups( ssl );
/* Pick first available ECDHE group compatible with TLS 1.3 */
- if( ssl->conf->curve_list == NULL )
+ if( group_list == NULL )
return( MBEDTLS_ERR_SSL_BAD_CONFIG );
- for ( const mbedtls_ecp_group_id *grp_id = ssl->conf->curve_list;
- *grp_id != MBEDTLS_ECP_DP_NONE;
- grp_id++ )
+ for ( ; *group_list != 0; group_list++ )
{
const mbedtls_ecp_curve_info *info;
- info = mbedtls_ecp_curve_info_from_grp_id( *grp_id );
+ info = mbedtls_ecp_curve_info_from_tls_id( *group_list );
if( info != NULL &&
- mbedtls_ssl_tls13_named_group_is_ecdhe( info->tls_id ) )
+ mbedtls_ssl_tls13_named_group_is_ecdhe( *group_list ) )
{
- *group_id = info->tls_id;
+ *group_id = *group_list;
return( 0 );
}
}