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comparison libtommath/bn_mp_or.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 #ifdef BN_MP_OR_C 2 #ifdef BN_MP_OR_C
3 /* LibTomMath, multiple-precision integer library -- Tom St Denis 3 /* LibTomMath, multiple-precision integer library -- Tom St Denis
4 * 4 *
5 * LibTomMath is a library that provides multiple-precision 5 * LibTomMath is a library that provides multiple-precision
6 * integer arithmetic as well as number theoretic functionality. 6 * integer arithmetic as well as number theoretic functionality.
7 * 7 *
8 * The library was designed directly after the MPI library by 8 * The library was designed directly after the MPI library by
9 * Michael Fromberger but has been written from scratch with 9 * Michael Fromberger but has been written from scratch with
10 * additional optimizations in place. 10 * additional optimizations in place.
11 * 11 *
12 * The library is free for all purposes without any express 12 * SPDX-License-Identifier: Unlicense
13 * guarantee it works.
14 *
15 * Tom St Denis, [email protected], http://libtom.org
16 */ 13 */
17 14
18 /* OR two ints together */ 15 /* OR two ints together */
19 int mp_or (mp_int * a, mp_int * b, mp_int * c) 16 int mp_or(const mp_int *a, const mp_int *b, mp_int *c)
20 { 17 {
21 int res, ix, px; 18 int res, ix, px;
22 mp_int t, *x; 19 mp_int t;
20 const mp_int *x;
23 21
24 if (a->used > b->used) { 22 if (a->used > b->used) {
25 if ((res = mp_init_copy (&t, a)) != MP_OKAY) { 23 if ((res = mp_init_copy(&t, a)) != MP_OKAY) {
26 return res; 24 return res;
27 } 25 }
28 px = b->used; 26 px = b->used;
29 x = b; 27 x = b;
30 } else { 28 } else {
31 if ((res = mp_init_copy (&t, b)) != MP_OKAY) { 29 if ((res = mp_init_copy(&t, b)) != MP_OKAY) {
32 return res; 30 return res;
33 } 31 }
34 px = a->used; 32 px = a->used;
35 x = a; 33 x = a;
36 } 34 }
37 35
38 for (ix = 0; ix < px; ix++) { 36 for (ix = 0; ix < px; ix++) {
39 t.dp[ix] |= x->dp[ix]; 37 t.dp[ix] |= x->dp[ix];
40 } 38 }
41 mp_clamp (&t); 39 mp_clamp(&t);
42 mp_exch (c, &t); 40 mp_exch(c, &t);
43 mp_clear (&t); 41 mp_clear(&t);
44 return MP_OKAY; 42 return MP_OKAY;
45 } 43 }
46 #endif 44 #endif
47 45
48 /* ref: $Format:%D$ */ 46 /* ref: HEAD -> master, tag: v1.1.0 */
49 /* git commit: $Format:%H$ */ 47 /* git commit: 08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */
50 /* commit time: $Format:%ai$ */ 48 /* commit time: 2019-01-28 20:32:32 +0100 */