blob: d0f0a79b4431523fbb6a11d68faed06a54700653 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
#include <tommath.h>
#ifdef BN_MP_SQRMOD_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, tomstdenis@gmail.com, http://math.libtomcrypt.com
*/
/* c = a * a (mod b) */
int
mp_sqrmod (mp_int * a, mp_int * b, mp_int * c)
{
int res;
mp_int t;
if ((res = mp_init (&t)) != MP_OKAY) {
return res;
}
if ((res = mp_sqr (a, &t)) != MP_OKAY) {
mp_clear (&t);
return res;
}
res = mp_mod (&t, b, c);
mp_clear (&t);
return res;
}
#endif
/* $Source: /root/tcl/repos-to-convert/tcl/libtommath/bn_mp_sqrmod.c,v $ */
/* $Revision: 1.1.1.3 $ */
/* $Date: 2006/12/01 00:08:11 $ */
|
