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| author | Niels Möller <nisse@lysator.liu.se> | 2014-09-22 12:39:19 +0200 |
|---|---|---|
| committer | Niels Möller <nisse@lysator.liu.se> | 2014-09-22 12:39:19 +0200 |
| commit | a78c9459fda9204b870350a3e075cd78d448fca2 (patch) | |
| tree | 5570986a3a7ee931bc4a43b47b6fa62b6133e8cc /ecc-point.c | |
| parent | 2b552abd4edc775de854014c7b0135902ca2ecd3 (diff) | |
| download | nettle-a78c9459fda9204b870350a3e075cd78d448fca2.tar.gz | |
Introduced struct ecc_modulo.
Diffstat (limited to 'ecc-point.c')
| -rw-r--r-- | ecc-point.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/ecc-point.c b/ecc-point.c index 59d2372b..31e3115a 100644 --- a/ecc-point.c +++ b/ecc-point.c @@ -42,13 +42,13 @@ void ecc_point_init (struct ecc_point *p, const struct ecc_curve *ecc) { p->ecc = ecc; - p->p = gmp_alloc_limbs (2*ecc->size); + p->p = gmp_alloc_limbs (2*ecc->p.size); } void ecc_point_clear (struct ecc_point *p) { - gmp_free_limbs (p->p, 2*p->ecc->size); + gmp_free_limbs (p->p, 2*p->ecc->p.size); } int @@ -59,10 +59,10 @@ ecc_point_set (struct ecc_point *p, const mpz_t x, const mpz_t y) mpz_t t; int res; - size = p->ecc->size; + size = p->ecc->p.size; - if (mpz_sgn (x) < 0 || mpz_limbs_cmp (x, p->ecc->p, size) >= 0 - || mpz_sgn (y) < 0 || mpz_limbs_cmp (y, p->ecc->p, size) >= 0) + if (mpz_sgn (x) < 0 || mpz_limbs_cmp (x, p->ecc->p.m, size) >= 0 + || mpz_sgn (y) < 0 || mpz_limbs_cmp (y, p->ecc->p.m, size) >= 0) return 0; mpz_init (lhs); @@ -70,7 +70,7 @@ ecc_point_set (struct ecc_point *p, const mpz_t x, const mpz_t y) mpz_mul (lhs, y, y); - if (p->ecc->bit_size == 255) + if (p->ecc->p.bit_size == 255) { /* ed25519 special case. FIXME: Do in some cleaner way? */ mpz_t x2; @@ -94,7 +94,7 @@ ecc_point_set (struct ecc_point *p, const mpz_t x, const mpz_t y) mpz_add (rhs, rhs, mpz_roinit_n (t, p->ecc->b, size)); } - res = mpz_congruent_p (lhs, rhs, mpz_roinit_n (t, p->ecc->p, size)); + res = mpz_congruent_p (lhs, rhs, mpz_roinit_n (t, p->ecc->p.m, size)); mpz_clear (lhs); mpz_clear (rhs); @@ -111,7 +111,7 @@ ecc_point_set (struct ecc_point *p, const mpz_t x, const mpz_t y) void ecc_point_get (const struct ecc_point *p, mpz_t x, mpz_t y) { - mp_size_t size = p->ecc->size; + mp_size_t size = p->ecc->p.size; if (x) mpz_set_n (x, p->p, size); if (y) |