release/src/router/nettle/dsa.c

   1 /* dsa.h
   2  *
   3  * The DSA publickey algorithm.
   4  */
   5
   6 /* nettle, low-level cryptographics library
   7  *
   8  * Copyright (C) 2002 Niels Möller
   9  *
  10  * The nettle library is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU Lesser General Public License as published by
  12  * the Free Software Foundation; either version 2.1 of the License, or (at your
  13  * option) any later version.
  14  *
  15  * The nettle library is distributed in the hope that it will be useful, but
  16  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  17  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  18  * License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public License
  21  * along with the nettle library; see the file COPYING.LIB.  If not, write to
  22  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  23  * MA 02111-1301, USA.
  24  */
  25
  26 #if HAVE_CONFIG_H
  27 # include "config.h"
  28 #endif
  29
  30 #include "dsa.h"
  31
  32 #include "bignum.h"
  33
  34 void
  35 dsa_public_key_init(struct dsa_public_key *key)
  36 {
  37   mpz_init(key->p);
  38   mpz_init(key->q);
  39   mpz_init(key->g);
  40   mpz_init(key->y);
  41 }
  42
  43 void
  44 dsa_public_key_clear(struct dsa_public_key *key)
  45 {
  46   mpz_clear(key->p);
  47   mpz_clear(key->q);
  48   mpz_clear(key->g);
  49   mpz_clear(key->y);
  50 }
  51
  52
  53 void
  54 dsa_private_key_init(struct dsa_private_key *key)
  55 {
  56   mpz_init(key->x);
  57 }
  58
  59 void
  60 dsa_private_key_clear(struct dsa_private_key *key)
  61 {
  62   mpz_clear(key->x);
  63 }
  64
  65
  66 void
  67 dsa_signature_init(struct dsa_signature *signature)
  68 {
  69   mpz_init(signature->r);
  70   mpz_init(signature->s);
  71 }
  72
  73 void
  74 dsa_signature_clear(struct dsa_signature *signature)
  75 {
  76   mpz_clear(signature->r);
  77   mpz_clear(signature->s);
  78 }