Using custom time
diff --git a/tests/fuzz/common.c b/tests/fuzz/common.c
new file mode 100644
index 0000000..450f74b
--- /dev/null
+++ b/tests/fuzz/common.c
@@ -0,0 +1,14 @@
+#include "common.h"
+
+mbedtls_time_t dummy_constant_time( mbedtls_time_t* time ) {
+    (void) time;
+    return 0x5af2a056;
+}
+
+void dummy_init() {
+#if defined(MBEDTLS_PLATFORM_TIME_ALT)
+    mbedtls_platform_set_time( dummy_constant_time );
+#else
+    fprintf(stderr, "Warning: fuzzing without constant time\n");
+#endif
+}