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Fixing status-im/status-desktop#10572 Implements a cross-platform version of OP-TEE/optee_os#3102 Remove recursion Use memset instead of while loop A description to understand introduced changes without reading the code. zeromem weights about 50% of the total CPU time on M1 Macs and seems to be major performance offender. It is used to clear the stack when using variables with sensitive information.
33 lines
639 B
C
33 lines
639 B
C
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*
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* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
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*/
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#include "tomcrypt.h"
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/**
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@file burn_stack.c
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Burn stack, Tom St Denis
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*/
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/**
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Burn some stack memory
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@param len amount of stack to burn in bytes
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*/
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void burn_stack(unsigned long len)
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{
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unsigned char buf[len];
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zeromem(buf, sizeof(buf));
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}
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/* $Source$ */
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/* $Revision$ */
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/* $Date$ */
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