trunk/src/rsa.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 2000-2016 ircd-hybrid development team
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
 *  USA
 */

/*! \file rsa.c
 * \brief Functions for use with RSA public key cryptography.
 * \version $Id$
 */

#include "stdinc.h"
#ifdef HAVE_LIBCRYPTO
#include <openssl/pem.h>
#include <openssl/rand.h>
#include <openssl/rsa.h>
#include <openssl/bn.h>
#include <openssl/evp.h>
#include <openssl/err.h>
#include <openssl/opensslv.h>

#include "memory.h"
#include "conf.h"
#include "log.h"
#endif

#include "rsa.h"

#ifdef HAVE_LIBCRYPTO
/*
 * report_crypto_errors - Dump crypto error list to log
 */
void
report_crypto_errors(void)
{
  unsigned long e = 0;

  while ((e = ERR_get_error()))
    ilog(LOG_TYPE_IRCD, "SSL error: %s", ERR_error_string(e, 0));
}
#endif

void
binary_to_hex(const unsigned char *bin, char *hex, unsigned int length)
{
  static const char trans[] = "0123456789ABCDEF";

  for (const unsigned char *const end = bin + length; bin < end; ++bin)
  {
    *hex++ = trans[*bin >>  4];
    *hex++ = trans[*bin & 0xf];
  }

  *hex = '\0';
}
Revision:	7105
Committed:	Sat Jan 23 20:11:27 2016 UTC (9 years, 7 months ago) by michael
Content type:	text/x-csrc
File size:	1825 byte(s)
Log Message:	- Incorporate gnutls support by Adam & Attila
#	User	Rev	Content
1	adx	30	/*
2	michael	2916	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	adx	30	*
4	michael	7006	* Copyright (c) 2000-2016 ircd-hybrid development team
5	adx	30	*
6			* This program is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18	michael	4565	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19	adx	30	* USA
20			*/
21
22	michael	2916	/*! \file rsa.c
23			* \brief Functions for use with RSA public key cryptography.
24			* \version $Id$
25			*/
26
27	adx	30	#include "stdinc.h"
28	michael	1307	#ifdef HAVE_LIBCRYPTO
29	adx	30	#include <openssl/pem.h>
30			#include <openssl/rand.h>
31			#include <openssl/rsa.h>
32			#include <openssl/bn.h>
33			#include <openssl/evp.h>
34			#include <openssl/err.h>
35	michael	1013	#include <openssl/opensslv.h>
36	adx	30
37			#include "memory.h"
38	michael	1309	#include "conf.h"
39			#include "log.h"
40	michael	7105	#endif
41	adx	30
42	michael	7105	#include "rsa.h"
43	adx	30
44	michael	7105	#ifdef HAVE_LIBCRYPTO
45	adx	30	/*
46			* report_crypto_errors - Dump crypto error list to log
47			*/
48			void
49			report_crypto_errors(void)
50			{
51	michael	1752	unsigned long e = 0;
52	adx	30
53	michael	1752	while ((e = ERR_get_error()))
54	michael	1247	ilog(LOG_TYPE_IRCD, "SSL error: %s", ERR_error_string(e, 0));
55	adx	30	}
56	michael	7105	#endif
57	adx	30
58	michael	4113	void
59	michael	4110	binary_to_hex(const unsigned char bin, char hex, unsigned int length)
60	adx	30	{
61			static const char trans[] = "0123456789ABCDEF";
62
63	michael	4948	for (const unsigned char *const end = bin + length; bin < end; ++bin)
64	adx	30	{
65	michael	4110	hex++ = trans[bin >> 4];
66			hex++ = trans[bin & 0xf];
67	adx	30	}
68
69	michael	4110	*hex = '\0';
70	adx	30	}