Add negative tests for unexpected ver/cfg in session deserialization
diff --git a/tests/suites/test_suite_ssl.function b/tests/suites/test_suite_ssl.function
index 4faa5d3..80c0ab0 100644
--- a/tests/suites/test_suite_ssl.function
+++ b/tests/suites/test_suite_ssl.function
@@ -921,3 +921,53 @@
     mbedtls_free( bad_buf );
 }
 /* END_CASE */
+
+/* BEGIN_CASE depends_on:!MBEDTLS_SSL_SERIALIZED_STRUCTURES_LOCAL_ONLY */
+void ssl_session_serialize_version_check( int corrupt_major,
+                                          int corrupt_minor,
+                                          int corrupt_patch,
+                                          int corrupt_config )
+{
+    unsigned char serialized_session[ 2048 ];
+    size_t serialized_session_len;
+
+    mbedtls_ssl_session session;
+    mbedtls_ssl_session_init( &session );
+
+    /* Infer length of serialized session. */
+    TEST_ASSERT( mbedtls_ssl_session_save( &session,
+                                           serialized_session,
+                                           sizeof( serialized_session ),
+                                           &serialized_session_len ) == 0 );
+
+    mbedtls_ssl_session_free( &session );
+
+    /* Without any modification, we should be able to successfully
+     * de-serialize the session - double-check that. */
+    TEST_ASSERT( mbedtls_ssl_session_load( &session,
+                                           serialized_session,
+                                           serialized_session_len ) == 0 );
+    mbedtls_ssl_session_free( &session );
+
+    if( corrupt_major )
+        serialized_session[0] ^= (uint8_t) 0x1;
+
+    if( corrupt_minor )
+        serialized_session[1] ^= (uint8_t) 0x1;
+
+    if( corrupt_patch )
+        serialized_session[2] ^= (uint8_t) 0x1;
+
+    if( corrupt_config )
+    {
+        serialized_session[3] ^= (uint8_t) 0x1;
+        serialized_session[4] ^= (uint8_t) 0x1;
+        serialized_session[5] ^= (uint8_t) 0x1;
+    }
+
+    TEST_ASSERT( mbedtls_ssl_session_load( &session,
+                                           serialized_session,
+                                           serialized_session_len ) ==
+                 MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
+}
+/* END_CASE */