Mercurial > dropbear
view libtommath/bn_mp_clear.c @ 1360:16f45f2df38f fuzz
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author | Matt Johnston <matt@ucc.asn.au> |
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date | Sun, 21 May 2017 10:48:18 +0800 |
parents | 3017bc7d6238 |
children | 60fc6476e044 |
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#include <tommath.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. * * The library is free for all purposes without any express * guarantee it works. * * Tom St Denis, [email protected], http://math.libtomcrypt.com */ /* 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, 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 /* $Source: /cvs/libtom/libtommath/bn_mp_clear.c,v $ */ /* $Revision: 1.3 $ */ /* $Date: 2006/03/31 14:18:44 $ */