Update LibTomMath to 1.2.0 (#84)

* update C files

* update other files

* update headers

* update makefiles

* remove mp_set/get_double()

* use ltm 1.2.0 API

* update ltm_desc

* use bundled tommath if system-tommath is too old

* XMALLOC etc. were changed to MP_MALLOC etc.
This commit is contained in:
Steffen Jaeckel
2020-05-26 17:36:47 +02:00
committed by GitHub
parent 724e61f8ae
commit b4bd23b4d2
229 changed files with 6095 additions and 31359 deletions

View File

@@ -1,28 +1,20 @@
#include "tommath_private.h"
#ifdef BN_MP_MUL_D_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
*/
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
/* multiply by a digit */
int mp_mul_d(const mp_int *a, mp_digit b, mp_int *c)
mp_err mp_mul_d(const mp_int *a, mp_digit b, mp_int *c)
{
mp_digit u, *tmpa, *tmpc;
mp_word r;
int ix, res, olduse;
mp_err err;
int ix, olduse;
/* make sure c is big enough to hold a*b */
if (c->alloc < (a->used + 1)) {
if ((res = mp_grow(c, a->used + 1)) != MP_OKAY) {
return res;
if ((err = mp_grow(c, a->used + 1)) != MP_OKAY) {
return err;
}
}
@@ -50,7 +42,7 @@ int mp_mul_d(const mp_int *a, mp_digit b, mp_int *c)
*tmpc++ = (mp_digit)(r & (mp_word)MP_MASK);
/* send carry into next iteration */
u = (mp_digit)(r >> (mp_word)DIGIT_BIT);
u = (mp_digit)(r >> (mp_word)MP_DIGIT_BIT);
}
/* store final carry [if any] and increment ix offset */
@@ -58,9 +50,7 @@ int mp_mul_d(const mp_int *a, mp_digit b, mp_int *c)
++ix;
/* now zero digits above the top */
while (ix++ < olduse) {
*tmpc++ = 0;
}
MP_ZERO_DIGITS(tmpc, olduse - ix);
/* set used count */
c->used = a->used + 1;
@@ -69,7 +59,3 @@ int mp_mul_d(const mp_int *a, mp_digit b, mp_int *c)
return MP_OKAY;
}
#endif
/* ref: HEAD -> master, tag: v1.1.0 */
/* git commit: 08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */
/* commit time: 2019-01-28 20:32:32 +0100 */