1 files changed, 27 insertions, 0 deletions
diff --git a/lib/explicit_bzero.c b/lib/explicit_bzero.c
new file mode 100644
index 0000000..23e0358
--- /dev/null
+++ b/lib/explicit_bzero.c
@@ -0,0 +1,27 @@
+/* Erasure of sensitive data, generic implementation.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
+
+   This file is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
+
+   This file is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+#include <string.h>
+
+/* Set LEN bytes of S to 0.  The compiler will not delete a call to
+   this function, even if S is dead after the call.  */
+void
+explicit_bzero (void *s, size_t len)
+{
+  memset_explicit (s, 0, len);
+}