Tor 0.4.9.0-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. */
20void memwipe(void *mem, uint8_t byte, size_t sz);
21
22void 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.