tests: tls13: Add session resume with ticket unit test
This aims to provide a basis for negative testing
around TLS 1.3 ticket, replacing eventually the
negative tests done in ssl-opt.sh using the
dummy_ticket option.
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tests/suites/test_suite_ssl.function b/tests/suites/test_suite_ssl.function
index 8a03d1b..9ca2058 100644
--- a/tests/suites/test_suite_ssl.function
+++ b/tests/suites/test_suite_ssl.function
@@ -3519,3 +3519,96 @@
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_SSL_CLI_C:MBEDTLS_SSL_SRV_C:MBEDTLS_TEST_AT_LEAST_ONE_TLS1_3_CIPHERSUITE:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED:MBEDTLS_MD_CAN_SHA256:MBEDTLS_ECP_HAVE_SECP256R1:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PK_CAN_ECDSA_VERIFY:MBEDTLS_SSL_SESSION_TICKETS */
+void tls13_resume_session_with_ticket()
+{
+ int ret = -1;
+ unsigned char buf[64];
+ mbedtls_test_ssl_endpoint client_ep, server_ep;
+ mbedtls_test_handshake_test_options client_options;
+ mbedtls_test_handshake_test_options server_options;
+ mbedtls_ssl_session saved_session;
+
+ /*
+ * Test set-up
+ */
+ mbedtls_platform_zeroize(&client_ep, sizeof(client_ep));
+ mbedtls_platform_zeroize(&server_ep, sizeof(server_ep));
+ mbedtls_test_init_handshake_options(&client_options);
+ mbedtls_test_init_handshake_options(&server_options);
+ mbedtls_ssl_session_init(&saved_session);
+
+ MD_OR_USE_PSA_INIT();
+
+ client_options.pk_alg = MBEDTLS_PK_ECDSA;
+ ret = mbedtls_test_ssl_endpoint_init(&client_ep, MBEDTLS_SSL_IS_CLIENT,
+ &client_options, NULL, NULL, NULL,
+ NULL);
+ TEST_EQUAL(ret, 0);
+
+ server_options.pk_alg = MBEDTLS_PK_ECDSA;
+ ret = mbedtls_test_ssl_endpoint_init(&server_ep, MBEDTLS_SSL_IS_SERVER,
+ &server_options, NULL, NULL, NULL,
+ NULL);
+ mbedtls_ssl_conf_session_tickets_cb(&server_ep.conf,
+ mbedtls_test_ticket_write,
+ mbedtls_test_ticket_parse,
+ NULL);
+ TEST_EQUAL(ret, 0);
+
+ ret = mbedtls_test_mock_socket_connect(&(client_ep.socket),
+ &(server_ep.socket), 1024);
+ TEST_EQUAL(ret, 0);
+
+ /*
+ * Run initial handshake: ephemeral key exchange mode, certificate with
+ * RSA key, signed with PKCS15, verified with PKCS21. Then, get the ticket
+ * sent by the server at the end of its handshake sequence.
+ */
+ TEST_ASSERT(mbedtls_test_move_handshake_to_state(
+ &(server_ep.ssl), &(client_ep.ssl),
+ MBEDTLS_SSL_HANDSHAKE_OVER) == 0);
+
+ do {
+ ret = mbedtls_ssl_read(&(client_ep.ssl), buf, sizeof(buf));
+ } while (ret != MBEDTLS_ERR_SSL_RECEIVED_NEW_SESSION_TICKET);
+
+ /*
+ * Save client session and reset the SSL context of the two endpoints.
+ */
+ ret = mbedtls_ssl_get_session(&(client_ep.ssl), &saved_session);
+ TEST_EQUAL(ret, 0);
+
+ ret = mbedtls_ssl_session_reset(&(client_ep.ssl));
+ TEST_EQUAL(ret, 0);
+
+ ret = mbedtls_ssl_session_reset(&(server_ep.ssl));
+ TEST_EQUAL(ret, 0);
+
+ /*
+ * Set saved session on client side and handshake using the ticket
+ * included in that session.
+ */
+
+ ret = mbedtls_ssl_set_session(&(client_ep.ssl), &saved_session);
+ TEST_EQUAL(ret, 0);
+
+ TEST_ASSERT(mbedtls_test_move_handshake_to_state(
+ &(server_ep.ssl), &(client_ep.ssl),
+ MBEDTLS_SSL_HANDSHAKE_WRAPUP) == 0);
+
+ TEST_EQUAL(server_ep.ssl.handshake->resume, 1);
+ TEST_EQUAL(server_ep.ssl.handshake->new_session_tickets_count, 1);
+ TEST_EQUAL(server_ep.ssl.handshake->key_exchange_mode,
+ MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL);
+
+exit:
+ mbedtls_test_ssl_endpoint_free(&client_ep, NULL);
+ mbedtls_test_ssl_endpoint_free(&server_ep, NULL);
+ mbedtls_test_free_handshake_options(&client_options);
+ mbedtls_test_free_handshake_options(&server_options);
+ mbedtls_ssl_session_free(&saved_session);
+ MD_OR_USE_PSA_DONE();
+}
+/* END_CASE */