lib/abstract_int.h

   1 /*
   2  * Copyright (C) 2010-2012 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 _ABSTRACT_INT_H
  24 # define _ABSTRACT_INT_H
  25
  26 #include <gnutls/abstract.h>
  27
  28 struct gnutls_privkey_st
  29 {
  30   gnutls_privkey_type_t type;
  31   gnutls_pk_algorithm_t pk_algorithm;
  32
  33   union
  34   {
  35     gnutls_x509_privkey_t x509;
  36 #ifdef ENABLE_PKCS11
  37     gnutls_pkcs11_privkey_t pkcs11;
  38 #endif
  39 #ifdef ENABLE_OPENPGP
  40     gnutls_openpgp_privkey_t openpgp;
  41 #endif
  42     struct {
  43       gnutls_privkey_sign_func sign_func;
  44       gnutls_privkey_decrypt_func decrypt_func;
  45       gnutls_privkey_deinit_func deinit_func;
  46       void* userdata;
  47     } ext;
  48   } key;
  49
  50   unsigned int flags;
  51   struct pin_info_st pin;
  52 };
  53
  54 struct gnutls_pubkey_st
  55 {
  56   gnutls_pk_algorithm_t pk_algorithm;
  57   unsigned int bits;            /* an indication of the security parameter */
  58
  59   /* the size of params depends on the public
  60    * key algorithm
  61    * RSA: [0] is modulus
  62    *      [1] is public exponent
  63    * DSA: [0] is p
  64    *      [1] is q
  65    *      [2] is g
  66    *      [3] is public key
  67    */
  68   gnutls_pk_params_st params;
  69
  70   uint8_t openpgp_key_id[GNUTLS_OPENPGP_KEYID_SIZE];
  71   int openpgp_key_id_set;
  72
  73   unsigned int key_usage;       /* bits from GNUTLS_KEY_* */
  74
  75   struct pin_info_st pin;
  76 };
  77
  78 int _gnutls_privkey_get_public_mpis (gnutls_privkey_t key,
  79                                      gnutls_pk_params_st*);
  80
  81 int pubkey_to_bits(gnutls_pk_algorithm_t pk, gnutls_pk_params_st* params);
  82 int _gnutls_pubkey_compatible_with_sig(gnutls_session_t, gnutls_pubkey_t pubkey,
  83   gnutls_protocol_t ver, gnutls_sign_algorithm_t sign);
  84 int _gnutls_pubkey_is_over_rsa_512(gnutls_pubkey_t pubkey);
  85 int
  86 _gnutls_pubkey_get_mpis (gnutls_pubkey_t key,
  87                                  gnutls_pk_params_st * params);
  88
  89 int
  90 pubkey_verify_hashed_data (gnutls_pk_algorithm_t pk,
  91                            gnutls_digest_algorithm_t algo,
  92                            const gnutls_datum_t * hash,
  93                            const gnutls_datum_t * signature,
  94                            gnutls_pk_params_st * issuer_params);
  95
  96 int pubkey_verify_data (gnutls_pk_algorithm_t pk,
  97                         gnutls_digest_algorithm_t algo,
  98                        const gnutls_datum_t * data,
  99                        const gnutls_datum_t * signature,
 100                        gnutls_pk_params_st * issuer_params);
 101
 102
 103
 104 gnutls_digest_algorithm_t _gnutls_dsa_q_to_hash (gnutls_pk_algorithm_t algo,
 105   const gnutls_pk_params_st* params, unsigned int* hash_len);
 106
 107 #endif