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comparison libtommath/bn_mp_clear.c @ 1655:f52919ffd3b1

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update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79) * make key-generation compliant to FIPS 186.4 * fix includes in tommath_class.h * update fuzzcorpus instead of error-out * fixup fuzzing make-targets * update Makefile.in * apply necessary patches to ltm sources * clean-up not required ltm files * update to vanilla ltm 1.1.0 this already only contains the required files * remove set/get double
author Steffen Jaeckel <s_jaeckel@gmx.de>
date Mon, 16 Sep 2019 15:50:38 +0200
parents 8bba51a55704
children 1051e4eea25a
comparison
equal deleted inserted replaced
1654:cc0fc5131c5c 1655:f52919ffd3b1
1 #include <tommath_private.h> 1 #include "tommath_private.h"
2 #include "dbhelpers.h" 2 #include "dbhelpers.h"
3 #ifdef BN_MP_CLEAR_C 3 #ifdef BN_MP_CLEAR_C
4 /* LibTomMath, multiple-precision integer library -- Tom St Denis 4 /* LibTomMath, multiple-precision integer library -- Tom St Denis
5 * 5 *
6 * LibTomMath is a library that provides multiple-precision 6 * LibTomMath is a library that provides multiple-precision
8 * 8 *
9 * The library was designed directly after the MPI library by 9 * The library was designed directly after the MPI library by
10 * Michael Fromberger but has been written from scratch with 10 * Michael Fromberger but has been written from scratch with
11 * additional optimizations in place. 11 * additional optimizations in place.
12 * 12 *
13 * The library is free for all purposes without any express 13 * SPDX-License-Identifier: Unlicense
14 * guarantee it works.
15 *
16 * Tom St Denis, [email protected], http://libtom.org
17 */ 14 */
18 15
19 /* clear one (frees) */ 16 /* clear one (frees) */
20 void 17 void mp_clear(mp_int *a)
21 mp_clear (mp_int * a)
22 { 18 {
23 /* only do anything if a hasn't been freed previously */ 19 /* only do anything if a hasn't been freed previously */
24 if (a->dp != NULL) { 20 if (a->dp != NULL) {
25 /* first zero the digits */ 21 /* first zero the digits */
26 m_burn(a->dp, a->alloc * sizeof(*a->dp)); 22 m_burn(a->dp, (size_t)a->alloc * sizeof(*a->dp));
27 23
28 /* free ram */ 24 /* free ram */
29 XFREE(a->dp); 25 XFREE(a->dp);
30 26
31 /* reset members to make debugging easier */ 27 /* reset members to make debugging easier */
32 a->dp = NULL; 28 a->dp = NULL;
33 a->alloc = a->used = 0; 29 a->alloc = a->used = 0;
34 a->sign = MP_ZPOS; 30 a->sign = MP_ZPOS;
35 } 31 }
36 } 32 }
37 #endif 33 #endif
38 34
39 /* ref: $Format:%D$ */ 35 /* ref: HEAD -> master, tag: v1.1.0 */
40 /* git commit: $Format:%H$ */ 36 /* git commit: 08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */
41 /* commit time: $Format:%ai$ */ 37 /* commit time: 2019-01-28 20:32:32 +0100 */