61d9e528a4
* (!) 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
21 lines
502 B
C
21 lines
502 B
C
#include "tommath_private.h"
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#ifdef BN_MP_CLEAR_C
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/* LibTomMath, multiple-precision integer library -- Tom St Denis */
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/* SPDX-License-Identifier: Unlicense */
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/* clear one (frees) */
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void mp_clear(mp_int *a)
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{
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/* only do anything if a hasn't been freed previously */
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if (a->dp != NULL) {
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/* free ram */
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MP_FREE_DIGITS(a->dp, a->alloc);
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/* reset members to make debugging easier */
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a->dp = NULL;
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a->alloc = a->used = 0;
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a->sign = MP_ZPOS;
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}
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}
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#endif
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