1 files changed, 27 insertions, 0 deletions
diff --git a/src/common/crypto_util.h b/src/common/crypto_util.h
new file mode 100644
index 0000000000..922942b371
--- /dev/null
+++ b/src/common/crypto_util.h
@@ -0,0 +1,27 @@
+/* Copyright (c) 2001, Matej Pfajfar.
+ * Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2018, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file crypto_util.h
+ *
+ * \brief Common functions for cryptographic routines.
+ **/
+
+#ifndef TOR_CRYPTO_UTIL_H
+#define TOR_CRYPTO_UTIL_H
+
+#include "torint.h"
+
+/** OpenSSL-based utility functions. */
+void memwipe(void *mem, uint8_t byte, size_t sz);
+
+#ifdef CRYPTO_UTIL_PRIVATE
+#ifdef TOR_UNIT_TESTS
+#endif /* defined(TOR_UNIT_TESTS) */
+#endif /* defined(CRYPTO_UTIL_PRIVATE) */
+
+#endif /* !defined(TOR_CRYPTO_UTIL_H) */
+