bn_mp_zero.c

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Hash : 61d9e528
Author :
Date : 2019-05-11T10:22:20

hardening: add MP_ZERO_BUFFER, MP_ZERO_DIGITS * (!) Always zero buffer before freeing if MP_NO_ZERO_ON_FREE is not defined * Add MP_NO_ZERO_ON_FREE to disable hardening * Add MP_ZERO_BUFFER, MP_ZERO_DIGITS, MP_FREE_BUFFFER, MP_FREE_DIGITS * Never use MP_FREE directly, use MP_FREE_DIGITS or MP_FREE_BUFFER * Add MP_USE_MEMSET to use memset instead of loop * Disable astyle backups which are annonying in the times of git

bn_mp_zero.c

#include "tommath_private.h"
#ifdef BN_MP_ZERO_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */

/* set to zero */
void mp_zero(mp_int *a)
{
   a->sign = MP_ZPOS;
   a->used = 0;
   MP_ZERO_DIGITS(a->dp, a->alloc);
}
#endif

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bn_mp_zero.c