#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. */ /* c = a * a (mod b) */ int mp_sqrmod(const mp_int *a, const 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 /* ref: $Format:%D$ */ /* git commit: $Format:%H$ */ /* commit time: $Format:%ai$ */