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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_a_to_j (const struct ecc_curve *ecc,
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mp_limb_t *r, const mp_limb_t *p)
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if (ecc->use_redc && initial)
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mpn_copyd (r + ecc->size, p, 2*ecc->size);
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mpn_zero (r, ecc->size);
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mpn_zero (r + ecc->size, ecc->size);
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ecc->modp (ecc, r + ecc->size);
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mpn_copyi (r, p, 2*ecc->size);
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mpn_copyi (r + 2*ecc->size, ecc->unit, ecc->size);
added
removed
ecc-a-to-j.c
