X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/f41f820e4b3e230d9314cc4323abf59babdd4e67..4e66da02f19648ee1be862e67ba1d1fc5549fb7f:/rho.c diff --git a/rho.c b/rho.c index d4530b8..57754d3 100644 --- a/rho.c +++ b/rho.c @@ -1,6 +1,6 @@ /* -*-c-*- * - * $Id: rho.c,v 1.1 2000/07/09 21:32:30 mdw Exp $ + * $Id: rho.c,v 1.4 2004/04/02 01:03:49 mdw Exp $ * * Pollard's rho algorithm for discrete logs * @@ -30,6 +30,15 @@ /*----- Revision history --------------------------------------------------* * * $Log: rho.c,v $ + * Revision 1.4 2004/04/02 01:03:49 mdw + * Miscellaneous constification. + * + * Revision 1.3 2001/06/16 12:56:38 mdw + * Fixes for interface change to @mpmont_expr@ and @mpmont_mexpr@. + * + * Revision 1.2 2000/10/08 12:11:22 mdw + * Use @MP_EQ@ instead of @MP_CMP@. + * * Revision 1.1 2000/07/09 21:32:30 mdw * Pollard's rho algorithm for computing discrete logs. * @@ -135,7 +144,7 @@ mp *rho(rho_ctx *cc, void *x, void *y, mp *a, mp *b) bb = mp_sub(bb, bb, b); g = MP_NEW; mp_gcd(&g, &bb, 0, bb, cc->n); - if (MP_CMP(g, !=, MP_ONE)) { + if (!MP_EQ(g, MP_ONE)) { mp_drop(aa); aa = 0; } else { @@ -183,7 +192,7 @@ static void prime_mul(void *x, void *y, void *c) static int prime_eq(void *x, void *y) { - return (MP_CMP(*(mp **)x, ==, *(mp **)y)); + return (MP_EQ(*(mp **)x, *(mp **)y)); } static int prime_split(void *x) @@ -209,7 +218,7 @@ static void prime_drop(void *x) MP_DROP(*(mp **)x); } -static rho_ops prime_ops = { +static const rho_ops prime_ops = { prime_sqr, prime_mul, prime_eq, prime_split, prime_drop }; @@ -237,14 +246,14 @@ mp *rho_prime(mp *g, mp *a, mp *n, mp *p) /* --- The main loop --- */ while ((l = rho(&cc, &x, &y, aa, bb)) == 0) { - mpmont_factor f[2]; + mp_expfactor f[2]; if (!r) r = fibrand_create(0); aa = mprand_range(MP_NEW, n, r, 0); bb = mprand_range(MP_NEW, n, r, 0); - f[0].base = g; f[0].exp = aa; - f[1].base = a; f[1].exp = bb; + f[0].base = cc.g; f[0].exp = aa; + f[1].base = cc.a; f[1].exp = bb; x = mpmont_mexpr(&mm, MP_NEW, f, 2); y = MP_COPY(x); } @@ -285,7 +294,7 @@ int main(void) y = mpmont_exp(&mm, MP_NEW, dp.g, x); mpmont_destroy(&mm); l = rho_prime(dp.g, y, dp.q, dp.p); - if (MP_CMP(x, ==, l)) { + if (MP_EQ(x, l)) { fputs(". ok\n", stdout); ok = 1; } else {