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/* $OpenBSD: rsakeygen.c,v 1.6 1999/03/24 14:58:15 niklas Exp $ */
/* $EOM: rsakeygen.c,v 1.6 1999/03/13 17:43:24 niklas Exp $ */
/*
* Copyright (c) 1998 Niels Provos. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Ericsson Radio Systems.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This code was written under funding by Ericsson Radio Systems.
*/
#include <sys/param.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <gmp.h>
#include "log.h"
#include "gmp_util.h"
#include "asn.h"
#include "pkcs.h"
#define nibble2bin(y) (tolower((y)) < 'a' ? (y) - '0': tolower((y)) - 'a' + 10)
#define hexchar2bin(x) ((nibble2bin((x)[0]) << 4) + nibble2bin((x)[1]))
#define nibble2c(x) ((x) >= 10 ? ('a'-10+(x)) : ('0' + (x)))
void asc2bin (u_int8_t *bin, u_int8_t *asc, u_int16_t len)
{
int i;
for (i = 0; i < len; i += 2, asc += 2)
{
*bin++ = hexchar2bin(asc);
}
}
int
main (void)
{
char *data = "Niels ist ein Luser!";
u_int8_t *enc, *dec, *asn;
u_int32_t enclen;
u_int16_t len;
FILE *fd;
int erg = 0;
struct rsa_public_key key;
struct rsa_private_key priv;
log_debug_cmd ((enum log_classes)LOG_CRYPTO, 99);
pkcs_generate_rsa_keypair (&key, &priv, 1024);
printf ("n: 0x"); mpz_out_str (stdout, 16, key.n);
printf ("\ne: 0x"); mpz_out_str (stdout, 16, key.e);
printf ("\n");
printf ("n: 0x"); mpz_out_str (stdout, 16, priv.n);
printf ("\ne: 0x"); mpz_out_str (stdout, 16, priv.e);
printf ("\nd: 0x"); mpz_out_str (stdout, 16, priv.d);
printf ("\np: 0x"); mpz_out_str (stdout, 16, priv.p);
printf ("\nq: 0x"); mpz_out_str (stdout, 16, priv.q);
printf ("\n");
printf ("Testing Signing/Verifying: ");
/* Sign with Private Key */
if (!pkcs_rsa_encrypt (PKCS_PRIVATE, NULL, &priv, data, strlen(data)+1,
&enc, &enclen))
printf ("FAILED ");
else
/* Decrypt/Verify with Public Key */
erg = pkcs_rsa_decrypt (PKCS_PRIVATE, &key, NULL, enc, &dec, &len);
if (!erg || strcmp(data,dec))
printf ("FAILED ");
else
printf ("OKAY ");
printf ("\n");
asn = pkcs_public_key_to_asn (&key);
fd = fopen ("isakmpd_key.pub", "w");
fwrite (asn, asn_get_len (asn), 1, fd);
fclose (fd);
free (asn);
asn = pkcs_private_key_to_asn (&priv);
fd = fopen ("isakmpd_key", "w");
fwrite (asn, asn_get_len (asn), 1, fd);
fclose (fd);
free (asn);
pkcs_free_public_key (&key);
pkcs_free_private_key (&priv);
return 1;
}
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