#include #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://libtom.org */ /* 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: /cvs/libtom/libtommath/bn_mp_sqrmod.c,v $ */ /* $Revision: 1.4 $ */ /* $Date: 2006/12/28 01:25:13 $ */