1f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* LibTomCrypt, modular cryptographic library -- Tom St Denis
2f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project *
3f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * LibTomCrypt is a library that provides various cryptographic
4f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * algorithms in a highly modular and flexible manner.
5f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project *
6f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * The library is free for all purposes without any express
7f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * guarantee it works.
8f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project *
9f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
10f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project */
11f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#include "tomcrypt.h"
12f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project
13f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/**
14f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project   @file burn_stack.c
15f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project   Burn stack, Tom St Denis
16f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project*/
17f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project
18f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/**
19f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project   Burn some stack memory
20f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project   @param len amount of stack to burn in bytes
21f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project*/
22f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid burn_stack(unsigned long len)
23f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project{
24f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project   unsigned char buf[32];
25f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project   zeromem(buf, sizeof(buf));
26f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project   if (len > (unsigned long)sizeof(buf))
27f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project      burn_stack(len - sizeof(buf));
28f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project}
29f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project
30f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project
31f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project
32f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Source: /cvs/libtom/libtomcrypt/src/misc/burn_stack.c,v $ */
33f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Revision: 1.4 $ */
34f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Date: 2006/03/31 14:15:35 $ */
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