Mercurial > dropbear
view bn_mp_sqrmod.c @ 385:fa7a368e12b1 libtommath-dropbear
Refer to local headers locally with #include "" not #include <>.
Required now that we've got rid of the libtomcrypt variants that were
'accidentally' being included in the -I path
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Thu, 11 Jan 2007 03:09:09 +0000 |
parents | 91fbc376f010 |
children | 97db060d0ef5 |
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#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, [email protected], http://math.libtomcrypt.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