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author | Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org> | 2021-04-30 00:33:56 +0200 |
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committer | Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org> | 2021-04-30 00:33:56 +0200 |
commit | aa4d426b4d3527d7e166df1a05058c9a4a0f6683 (patch) | |
tree | 4ff17ce8b89a2321b9d0ed4bcfc37c447bcb6820 /openssl-1.1.0h/crypto/mem_clr.c | |
download | smtps-and-pop3s-console-program-master.tar.gz smtps-and-pop3s-console-program-master.zip |
Diffstat (limited to 'openssl-1.1.0h/crypto/mem_clr.c')
-rw-r--r-- | openssl-1.1.0h/crypto/mem_clr.c | 25 |
1 files changed, 25 insertions, 0 deletions
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 <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); +} |