From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 00:33:56 +0200 Subject: initial/final commit --- openssl-1.1.0h/crypto/mem_clr.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 openssl-1.1.0h/crypto/mem_clr.c (limited to 'openssl-1.1.0h/crypto/mem_clr.c') diff --git a/openssl-1.1.0h/crypto/mem_clr.c b/openssl-1.1.0h/crypto/mem_clr.c new file mode 100644 index 0000000..35bfb74 --- /dev/null +++ b/openssl-1.1.0h/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 +#include + +/* + * 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); +} -- cgit v1.2.3