Mercurial > dropbear
view zeromem.c @ 162:bc4e3ac2dd5a libtomcrypt
make data pointers volatile so that memory zeroing won't get optimised away
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Sun, 02 Jan 2005 17:09:05 +0000 |
parents | d7da3b1e1540 |
children |
line wrap: on
line source
/* LibTomCrypt, modular cryptographic library -- Tom St Denis * * LibTomCrypt is a library that provides various cryptographic * algorithms in a highly modular and flexible manner. * * The library is free for all purposes without any express * guarantee it works. * * Tom St Denis, [email protected], http://libtomcrypt.org */ #include "mycrypt.h" void zeromem(void *dst, size_t len) { volatile unsigned char *mem = (unsigned char *)dst; _ARGCHK(dst != NULL); while (len-- > 0) *mem++ = 0; }