lib/gnutls_pk.h

   1 /*
   2  * Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2008 Free Software Foundation
   3  *
   4  * Author: Nikos Mavrogiannopoulos
   5  *
   6  * This file is part of GNUTLS.
   7  *
   8  * The GNUTLS library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; either version 2.1 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  21  * USA
  22  *
  23  */
  24
  25 #ifndef GNUTLS_PK_H
  26 # define GNUTLS_PK_H
  27
  28 extern int crypto_pk_prio;
  29 extern gnutls_crypto_pk_st _gnutls_pk_ops;
  30
  31 #define _gnutls_pk_encrypt( algo, ciphertext, plaintext, params) _gnutls_pk_ops.encrypt( algo, ciphertext, plaintext, params)
  32 #define _gnutls_pk_decrypt( algo, ciphertext, plaintext, params) _gnutls_pk_ops.decrypt( algo, ciphertext, plaintext, params)
  33 #define _gnutls_pk_sign( algo, sig, data, params) _gnutls_pk_ops.sign( algo, sig, data, params)
  34 #define _gnutls_pk_verify( algo, data, sig, params) _gnutls_pk_ops.verify( algo, data, sig, params)
  35
  36 inline static int
  37 _gnutls_pk_fixup( gnutls_pk_algorithm_t algo, gnutls_direction_t direction, gnutls_pk_params_st* params)
  38 {
  39         if (_gnutls_pk_ops.pk_fixup_private_params) return _gnutls_pk_ops.pk_fixup_private_params(algo, direction, params);
  40         return 0;
  41 }
  42
  43 int _gnutls_pk_params_copy( gnutls_pk_params_st* dst, bigint_t* params, int params_len);
  44
  45 int _gnutls_rsa_generate_params (bigint_t * resarr, unsigned int *resarr_len, int bits);
  46 int _gnutls_dsa_generate_params (bigint_t * resarr, unsigned int *resarr_len, int bits);
  47
  48 /* The internal PK interface */
  49 int _gnutls_pkcs1_rsa_encrypt (gnutls_datum_t * ciphertext,
  50                                const gnutls_datum_t * plaintext,
  51                                bigint_t * params, unsigned params_len,
  52                                unsigned btype);
  53 int _gnutls_dsa_sign (gnutls_datum_t * signature,
  54                       const gnutls_datum_t * plaintext, bigint_t * params,
  55                       unsigned params_len);
  56 int _gnutls_pkcs1_rsa_decrypt (gnutls_datum_t * plaintext,
  57                                const gnutls_datum_t * ciphertext,
  58                                bigint_t * params, unsigned params_len,
  59                                unsigned btype);
  60 int _gnutls_rsa_verify (const gnutls_datum_t * vdata,
  61                         const gnutls_datum_t * ciphertext, bigint_t * params,
  62                         int params_len, int btype);
  63 int _gnutls_dsa_verify (const gnutls_datum_t * vdata,
  64                         const gnutls_datum_t * sig_value, bigint_t * params,
  65                         int params_len);
  66
  67 int
  68 _gnutls_encode_ber_rs (gnutls_datum_t * sig_value, bigint_t r, bigint_t s);
  69
  70 int
  71 _gnutls_decode_ber_rs (const gnutls_datum_t * sig_value, bigint_t * r, bigint_t * s);
  72
  73 #endif /* GNUTLS_PK_H */