zeromem.c

来自「常用的64位密码加密算法」· C语言 代码 · 共 20 行

/* 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, [e-mail], http://libtomcrypt.org
 */
#include "mycrypt.h"

void zeromem(void *dst, size_t len)
{
 unsigned char *mem = (unsigned char *)dst;
 _ARGCHK(dst != NULL);
 while (len-- > 0)
    *mem++ = 0;
}