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view libtommath/bn_mp_clear.c @ 1682:a53e7d2d60be
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author | Matt Johnston <matt@ucc.asn.au> |
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date | Mon, 25 May 2020 20:23:02 +0800 |
parents | f52919ffd3b1 |
children | 1051e4eea25a |
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#include "tommath_private.h" #include "dbhelpers.h" #ifdef BN_MP_CLEAR_C /* LibTomMath, multiple-precision integer library -- Tom St Denis * * LibTomMath is a library that provides multiple-precision * integer arithmetic as well as number theoretic functionality. * * The library was designed directly after the MPI library by * Michael Fromberger but has been written from scratch with * additional optimizations in place. * * SPDX-License-Identifier: Unlicense */ /* clear one (frees) */ void mp_clear(mp_int *a) { /* only do anything if a hasn't been freed previously */ if (a->dp != NULL) { /* first zero the digits */ m_burn(a->dp, (size_t)a->alloc * sizeof(*a->dp)); /* free ram */ XFREE(a->dp); /* reset members to make debugging easier */ a->dp = NULL; a->alloc = a->used = 0; a->sign = MP_ZPOS; } } #endif /* ref: HEAD -> master, tag: v1.1.0 */ /* git commit: 08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */ /* commit time: 2019-01-28 20:32:32 +0100 */