ecc-size.c 1.35 KB
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/* ecc-size.c */

/* nettle, low-level cryptographics library
 *
 * Copyright (C) 2013 Niels Möller
 *  
 * The nettle library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or (at your
 * option) any later version.
 * 
 * The nettle library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
 * License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with the nettle library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02111-1301, USA.
 */

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/* Development of Nettle's ECC support was funded by the .SE Internet Fund. */
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#if HAVE_CONFIG_H
# include "config.h"
#endif

#include "ecc.h"
#include "ecc-internal.h"

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unsigned
ecc_bit_size (const struct ecc_curve *ecc)
{
  return ecc->bit_size;
}

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mp_size_t
ecc_size (const struct ecc_curve *ecc)
{
  return ecc->size;
}

mp_size_t
ecc_size_a (const struct ecc_curve *ecc)
{
  return 2*ecc->size;
}

mp_size_t
ecc_size_j (const struct ecc_curve *ecc)
{
  return 3*ecc->size;
}