[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/mem_clr.c b/ap/lib/libssl/openssl-1.1.1o/crypto/mem_clr.c
new file mode 100644
index 0000000..35bfb74
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/mem_clr.c
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <string.h>
+#include <openssl/crypto.h>
+
+/*
+ * Pointer to memset is volatile so that compiler must de-reference
+ * the pointer and can't assume that it points to any function in
+ * particular (such as memset, which it then might further "optimize")
+ */
+typedef void *(*memset_t)(void *, int, size_t);
+
+static volatile memset_t memset_func = memset;
+
+void OPENSSL_cleanse(void *ptr, size_t len)
+{
+ memset_func(ptr, 0, len);
+}