1#include <tommath.h> 2#ifdef BN_MP_SQRMOD_C 3/* LibTomMath, multiple-precision integer library -- Tom St Denis 4 * 5 * LibTomMath is a library that provides multiple-precision 6 * integer arithmetic as well as number theoretic functionality. 7 * 8 * The library was designed directly after the MPI library by 9 * Michael Fromberger but has been written from scratch with 10 * additional optimizations in place. 11 * 12 * The library is free for all purposes without any express 13 * guarantee it works. 14 * 15 * Tom St Denis, tomstdenis@gmail.com, http://math.libtomcrypt.com 16 */ 17 18/* c = a * a (mod b) */ 19int 20mp_sqrmod (mp_int * a, mp_int * b, mp_int * c) 21{ 22 int res; 23 mp_int t; 24 25 if ((res = mp_init (&t)) != MP_OKAY) { 26 return res; 27 } 28 29 if ((res = mp_sqr (a, &t)) != MP_OKAY) { 30 mp_clear (&t); 31 return res; 32 } 33 res = mp_mod (&t, b, c); 34 mp_clear (&t); 35 return res; 36} 37#endif 38 39/* $Source: /cvs/libtom/libtommath/bn_mp_sqrmod.c,v $ */ 40/* $Revision: 1.3 $ */ 41/* $Date: 2006/03/31 14:18:44 $ */ 42