diff options
| -rw-r--r-- | ecc-mod-inv.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ecc-mod-inv.c b/ecc-mod-inv.c index d3294485..3aee177a 100644 --- a/ecc-mod-inv.c +++ b/ecc-mod-inv.c @@ -315,7 +315,7 @@ ecc_mod_inv (const struct ecc_modulo *m, matrix_vector_mul (&M, STEPS, n+1, fp, gp, tp); matrix_vector_mul_mod (&M, mp, m->binv, n, up, vp, tp); } - delta = steps (&M, count, delta, fp[0], gp[0]); + steps (&M, count, delta, fp[0], gp[0]); matrix_vector_mul (&M, count, n+1, fp, gp, tp); /* Only compute u, we don't need v. */ add_add_mul_mod (tp, up, vp, mp, n, M.a[0][0], M.a[0][1]); @@ -326,7 +326,7 @@ ecc_mod_inv (const struct ecc_modulo *m, /* Now f = ±1 (if the inverse exists), and a * u = f (mod m) */ cy = cnd_neg (fp[n] >> (GMP_LIMB_BITS - 1), up, up, n); /* Make u non-negative */ - cy -= mpn_cnd_add_n (cy, up, up, mp, n); + mpn_cnd_add_n (cy, up, up, mp, n); cnd_neg (fp[n] >> (GMP_LIMB_BITS - 1), fp, fp, n + 1); cy = one_p (fp, n+1); |