lib/gnutls_pk.h

   1 /*
   2  * Copyright (C) 2000-2012 Free Software Foundation, Inc.
   3  *
   4  * Author: Nikos Mavrogiannopoulos
   5  *
   6  * This file is part of GnuTLS.
   7  *
   8  * The GnuTLS 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 3 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 License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  20  *
  21  */
  22
  23 #ifndef GNUTLS_PK_H
  24 #define GNUTLS_PK_H
  25
  26 extern int crypto_pk_prio;
  27 extern gnutls_crypto_pk_st _gnutls_pk_ops;
  28
  29 #define _gnutls_pk_encrypt( algo, ciphertext, plaintext, params) _gnutls_pk_ops.encrypt( algo, ciphertext, plaintext, params)
  30 #define _gnutls_pk_decrypt( algo, ciphertext, plaintext, params) _gnutls_pk_ops.decrypt( algo, ciphertext, plaintext, params)
  31 #define _gnutls_pk_sign( algo, sig, data, params) _gnutls_pk_ops.sign( algo, sig, data, params)
  32 #define _gnutls_pk_verify( algo, data, sig, params) _gnutls_pk_ops.verify( algo, data, sig, params)
  33 #define _gnutls_pk_verify_params( algo, params) _gnutls_pk_ops.verify_params( algo, params)
  34 #define _gnutls_pk_derive( algo, out, pub, priv) _gnutls_pk_ops.derive( algo, out, pub, priv)
  35 #define _gnutls_pk_generate( algo, bits, priv) _gnutls_pk_ops.generate( algo, bits, priv)
  36 #define _gnutls_pk_hash_algorithm( pk, sig, params, hash) _gnutls_pk_ops.hash_algorithm(pk, sig, params, hash)
  37
  38 inline static int
  39 _gnutls_pk_fixup (gnutls_pk_algorithm_t algo, gnutls_direction_t direction,
  40                   gnutls_pk_params_st * params)
  41 {
  42   if (_gnutls_pk_ops.pk_fixup_private_params)
  43     return _gnutls_pk_ops.pk_fixup_private_params (algo, direction, params);
  44   return 0;
  45 }
  46
  47 int _gnutls_pk_params_copy (gnutls_pk_params_st * dst, const gnutls_pk_params_st * src);
  48
  49 /* The internal PK interface */
  50 int
  51 _gnutls_encode_ber_rs (gnutls_datum_t * sig_value, bigint_t r, bigint_t s);
  52 int
  53 _gnutls_encode_ber_rs_raw (gnutls_datum_t * sig_value,
  54                            const gnutls_datum_t *r,
  55                            const gnutls_datum_t *s);
  56
  57 int
  58 _gnutls_decode_ber_rs (const gnutls_datum_t * sig_value, bigint_t * r,
  59                        bigint_t * s);
  60
  61 int
  62 encode_ber_digest_info (gnutls_digest_algorithm_t hash,
  63                         const gnutls_datum_t * digest,
  64                         gnutls_datum_t * output);
  65
  66 int
  67 decode_ber_digest_info (const gnutls_datum_t * info,
  68                         gnutls_digest_algorithm_t * hash,
  69                         uint8_t * digest, unsigned int *digest_size);
  70
  71 int _gnutls_pk_get_hash_algorithm (gnutls_pk_algorithm_t pk,
  72                                    gnutls_pk_params_st*,
  73                                    gnutls_digest_algorithm_t * dig,
  74                                    unsigned int *mand);
  75
  76 #endif /* GNUTLS_PK_H */