diff options
Diffstat (limited to 'src/lib/crypt_ops/crypto_util.h')
| -rw-r--r-- | src/lib/crypt_ops/crypto_util.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/lib/crypt_ops/crypto_util.h b/src/lib/crypt_ops/crypto_util.h index 613a1bd0dd..36ee230176 100644 --- a/src/lib/crypt_ops/crypto_util.h +++ b/src/lib/crypt_ops/crypto_util.h @@ -1,7 +1,7 @@ /* Copyright (c) 2001, Matej Pfajfar. * Copyright (c) 2001-2004, Roger Dingledine. * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. - * Copyright (c) 2007-2019, The Tor Project, Inc. */ + * Copyright (c) 2007-2020, The Tor Project, Inc. */ /* See LICENSE for licensing information */ /** @@ -14,8 +14,18 @@ #define TOR_CRYPTO_UTIL_H #include "lib/cc/torint.h" +#include "lib/malloc/malloc.h" /** OpenSSL-based utility functions. */ void memwipe(void *mem, uint8_t byte, size_t sz); +void tor_str_wipe_and_free_(char *str); +/** + * Securely all memory in <b>str</b>, then free it. + * + * As tor_free(), tolerates null pointers, and sets <b>str</b> to NULL. + **/ +#define tor_str_wipe_and_free(str) \ + FREE_AND_NULL(char, tor_str_wipe_and_free_, (str)) + #endif /* !defined(TOR_CRYPTO_UTIL_H) */ |