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/* nettle, low-level cryptographics library
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* Copyright (C) 2013 Niels Möller
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* The nettle library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version.
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* The nettle library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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* You should have received a copy of the GNU Lesser General Public License
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* along with the nettle library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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/* Development of Nettle's ECC support was funded by the .SE Internet Fund. */
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#include "ecc-internal.h"
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ecc_scalar_init (struct ecc_scalar *s, const struct ecc_curve *ecc)
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s->p = gmp_alloc_limbs (ecc->size);
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ecc_scalar_clear (struct ecc_scalar *s)
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gmp_free_limbs (s->p, s->ecc->size);
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ecc_scalar_set (struct ecc_scalar *s, const mpz_t z)
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mp_size_t size = s->ecc->size;
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if (mpz_sgn (z) <= 0 || mpz_limbs_cmp (z, s->ecc->q, size) >= 0)
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mpz_limbs_copy (s->p, z, size);
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ecc_scalar_get (const struct ecc_scalar *s, mpz_t z)
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mpz_set_n (z, s->p, s->ecc->size);
added
removed
ecc-scalar.c
