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Enable multi session tickets on Server

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Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu 2022-08-09 13:33:50 +08:00
parent 1ad7ace6b7
commit d4e7500a07
2 changed files with 20 additions and 2 deletions
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3
library/ssl_misc.h
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@ -624,6 +624,9 @@ struct mbedtls_ssl_handshake_params
#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
uint8_t tls13_kex_modes; /*!< Key exchange modes supported by the client */
#endif
#if defined(MBEDTLS_SSL_SESSION_TICKETS)
int tls13_session_tickets; /*!< number of session tickets */
#endif
#endif /* MBEDTLS_SSL_SRV_C */
#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */

17
library/ssl_tls13_server.c
View file

@ -2617,7 +2617,8 @@ MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_tls13_write_new_session_ticket_coordinate( mbedtls_ssl_context *ssl )
{
/* Check whether the use of session tickets is enabled */
if( ssl->conf->f_ticket_write == NULL )
if( ssl->conf->f_ticket_write == NULL ||
ssl->handshake->tls13_session_tickets == 0 )
{
MBEDTLS_SSL_DEBUG_MSG( 2, ( "new session ticket is not enabled" ) );
return( SSL_NEW_SESSION_TICKET_SKIP );
@ -2640,6 +2641,10 @@ static int ssl_tls13_prepare_new_session_ticket( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> prepare NewSessionTicket msg" ) );
if( ssl->handshake->resume == 1 )
ssl->handshake->tls13_session_tickets = 0;
else
ssl->handshake->tls13_session_tickets--;
#if defined(MBEDTLS_HAVE_TIME)
session->start = mbedtls_time( NULL );
#endif
@ -2885,6 +2890,12 @@ int mbedtls_ssl_tls13_handshake_server_step( mbedtls_ssl_context *ssl )
/* start state */
case MBEDTLS_SSL_HELLO_REQUEST:
mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_CLIENT_HELLO );
#if defined(MBEDTLS_SSL_PROTO_TLS1_3) && defined(MBEDTLS_SSL_SESSION_TICKETS)
ssl->handshake->tls13_session_tickets =
ssl->conf->new_session_tickets ?
ssl->conf->new_session_tickets :
MBEDTLS_SSL_TLS1_3_DEFAULT_NEW_SESSION_TICKETS;
#endif
ret = 0;
break;
@ -3002,7 +3013,11 @@ int mbedtls_ssl_tls13_handshake_server_step( mbedtls_ssl_context *ssl )
* as part of ssl_prepare_handshake_step.
*/
ret = 0;
if( ssl->handshake->tls13_session_tickets == 0 )
mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_HANDSHAKE_OVER );
else
mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_NEW_SESSION_TICKET );
break;
#endif /* MBEDTLS_SSL_SESSION_TICKETS */