Mercurial > dropbear

annotate libtomcrypt/src/misc/burn_stack.c @ 1820:e9854650d45b

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Clarify help text for dropbear -e environment option
author Matt Johnston <matt@ucc.asn.au>
date Thu, 19 Aug 2021 23:17:34 +0800
parents 6dba84798cd5
children
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
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2 *
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3 * LibTomCrypt is a library that provides various cryptographic
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4 * algorithms in a highly modular and flexible manner.
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5 *
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6 * The library is free for all purposes without any express
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7 * guarantee it works.
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8 */
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9 #include "tomcrypt.h"
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11 /**
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12 @file burn_stack.c
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13 Burn stack, Tom St Denis
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14 */
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16 /**
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17 Burn some stack memory
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18 @param len amount of stack to burn in bytes
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19 */
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20 void burn_stack(unsigned long len)
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21 {
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22 unsigned char buf[32];
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23 zeromem(buf, sizeof(buf));
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24 if (len > (unsigned long)sizeof(buf))
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25 burn_stack(len - sizeof(buf));
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26 }
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29
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents: 1435
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30 /* ref: $Format:%D$ */
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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parents: 1435
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31 /* git commit: $Format:%H$ */
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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32 /* commit time: $Format:%ai$ */