src/libstrongswan/credentials/keys/private_key.c

   1 /*
   2  * Copyright (C) 2007 Martin Willi
   3  * Hochschule fuer Technik Rapperswil
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2 of the License, or (at your
   8  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * for more details.
  14  */
  15
  16 #include "private_key.h"
  17
  18 /**
  19  * See header.
  20  */
  21 bool private_key_equals(private_key_t *this, private_key_t *other)
  22 {
  23         key_encoding_type_t type;
  24         chunk_t a, b;
  25
  26         if (this == other)
  27         {
  28                 return TRUE;
  29         }
  30
  31         for (type = 0; type < KEY_ENCODING_MAX; type++)
  32         {
  33                 if (this->get_fingerprint(this, type, &a) &&
  34                         other->get_fingerprint(other, type, &b))
  35                 {
  36                         return chunk_equals(a, b);
  37                 }
  38         }
  39         return FALSE;
  40 }
  41
  42 /**
  43  * See header.
  44  */
  45 bool private_key_belongs_to(private_key_t *private, public_key_t *public)
  46 {
  47         key_encoding_type_t type;
  48         chunk_t a, b;
  49
  50         for (type = 0; type < KEY_ENCODING_MAX; type++)
  51         {
  52                 if (private->get_fingerprint(private, type, &a) &&
  53                         public->get_fingerprint(public, type, &b))
  54                 {
  55                         return chunk_equals(a, b);
  56                 }
  57         }
  58         return FALSE;
  59 }
  60
  61 /**
  62  * See header.
  63  */
  64 bool private_key_has_fingerprint(private_key_t *private, chunk_t fingerprint)
  65 {
  66         key_encoding_type_t type;
  67         chunk_t current;
  68
  69         for (type = 0; type < KEY_ID_MAX; type++)
  70         {
  71                 if (private->get_fingerprint(private, type, &current) &&
  72                         chunk_equals(current, fingerprint))
  73                 {
  74                         return TRUE;
  75                 }
  76         }
  77         return FALSE;
  78 }
  79