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- #include <tommath.h>
- #ifdef BN_MP_MULMOD_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
- */
- /* d = a * b (mod c) */
- int mp_mulmod (mp_int * a, mp_int * b, mp_int * c, mp_int * d)
- {
- int res;
- mp_int t;
- if ((res = mp_init_size (&t, c->used)) != MP_OKAY) {
- return res;
- }
- if ((res = mp_mul (a, b, &t)) != MP_OKAY) {
- mp_clear (&t);
- return res;
- }
- res = mp_mod (&t, c, d);
- mp_clear (&t);
- return res;
- }
- #endif
- /* $Source: /cvs/libtom/libtommath/bn_mp_mulmod.c,v $ */
- /* $Revision: 1.4 $ */
- /* $Date: 2006/03/31 14:18:44 $ */
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