Tor  0.4.7.0-alpha-dev
crypto_util.h
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1 /* Copyright (c) 2001, Matej Pfajfar.
2  * Copyright (c) 2001-2004, Roger Dingledine.
3  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
4  * Copyright (c) 2007-2021, The Tor Project, Inc. */
5 /* See LICENSE for licensing information */
6 
7 /**
8  * \file crypto_util.h
9  *
10  * \brief Common functions for cryptographic routines.
11  **/
12 
13 #ifndef TOR_CRYPTO_UTIL_H
14 #define TOR_CRYPTO_UTIL_H
15 
16 #include "lib/cc/torint.h"
17 #include "lib/malloc/malloc.h"
18 
19 /** OpenSSL-based utility functions. */
20 void memwipe(void *mem, uint8_t byte, size_t sz);
21 
22 void tor_str_wipe_and_free_(char *str);
23 /**
24  * Securely all memory in <b>str</b>, then free it.
25  *
26  * As tor_free(), tolerates null pointers, and sets <b>str</b> to NULL.
27  **/
28 #define tor_str_wipe_and_free(str) \
29  FREE_AND_NULL(char, tor_str_wipe_and_free_, (str))
30 
31 #endif /* !defined(TOR_CRYPTO_UTIL_H) */
void tor_str_wipe_and_free_(char *str)
Definition: crypto_util.c:117
void memwipe(void *mem, uint8_t byte, size_t sz)
Definition: crypto_util.c:55
Headers for util_malloc.c.
Integer definitions used throughout Tor.