dsagen.c revision 55714
155714Skris/* crypto/dsa/dsagen.c */
255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
355714Skris * All rights reserved.
455714Skris *
555714Skris * This package is an SSL implementation written
655714Skris * by Eric Young (eay@cryptsoft.com).
755714Skris * The implementation was written so as to conform with Netscapes SSL.
855714Skris *
955714Skris * This library is free for commercial and non-commercial use as long as
1055714Skris * the following conditions are aheared to.  The following conditions
1155714Skris * apply to all code found in this distribution, be it the RC4, RSA,
1255714Skris * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
1355714Skris * included with this distribution is covered by the same copyright terms
1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com).
1555714Skris *
1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in
1755714Skris * the code are not to be removed.
1855714Skris * If this package is used in a product, Eric Young should be given attribution
1955714Skris * as the author of the parts of the library used.
2055714Skris * This can be in the form of a textual message at program startup or
2155714Skris * in documentation (online or textual) provided with the package.
2255714Skris *
2355714Skris * Redistribution and use in source and binary forms, with or without
2455714Skris * modification, are permitted provided that the following conditions
2555714Skris * are met:
2655714Skris * 1. Redistributions of source code must retain the copyright
2755714Skris *    notice, this list of conditions and the following disclaimer.
2855714Skris * 2. Redistributions in binary form must reproduce the above copyright
2955714Skris *    notice, this list of conditions and the following disclaimer in the
3055714Skris *    documentation and/or other materials provided with the distribution.
3155714Skris * 3. All advertising materials mentioning features or use of this software
3255714Skris *    must display the following acknowledgement:
3355714Skris *    "This product includes cryptographic software written by
3455714Skris *     Eric Young (eay@cryptsoft.com)"
3555714Skris *    The word 'cryptographic' can be left out if the rouines from the library
3655714Skris *    being used are not cryptographic related :-).
3755714Skris * 4. If you include any Windows specific code (or a derivative thereof) from
3855714Skris *    the apps directory (application code) you must include an acknowledgement:
3955714Skris *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
4055714Skris *
4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
4455714Skris * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
5155714Skris * SUCH DAMAGE.
5255714Skris *
5355714Skris * The licence and distribution terms for any publically available version or
5455714Skris * derivative of this code cannot be changed.  i.e. this code cannot simply be
5555714Skris * copied and put under another distribution licence
5655714Skris * [including the GNU Public Licence.]
5755714Skris */
5855714Skris
5955714Skris#include <stdio.h>
6055714Skris#include <openssl/dsa.h>
6155714Skris
6255714Skris#define TEST
6355714Skris#define GENUINE_DSA
6455714Skris
6555714Skris#ifdef GENUINE_DSA
6655714Skris#define LAST_VALUE 0xbd
6755714Skris#else
6855714Skris#define LAST_VALUE 0xd3
6955714Skris#endif
7055714Skris
7155714Skris#ifdef TEST
7255714Skrisunsigned char seed[20]={
7355714Skris	0xd5,0x01,0x4e,0x4b,
7455714Skris	0x60,0xef,0x2b,0xa8,
7555714Skris	0xb6,0x21,0x1b,0x40,
7655714Skris	0x62,0xba,0x32,0x24,
7755714Skris	0xe0,0x42,0x7d,LAST_VALUE};
7855714Skris#endif
7955714Skris
8055714Skrisint cb(int p, int n)
8155714Skris	{
8255714Skris	char c='*';
8355714Skris
8455714Skris	if (p == 0) c='.';
8555714Skris	if (p == 1) c='+';
8655714Skris	if (p == 2) c='*';
8755714Skris	if (p == 3) c='\n';
8855714Skris	printf("%c",c);
8955714Skris	fflush(stdout);
9055714Skris	}
9155714Skris
9255714Skrismain()
9355714Skris	{
9455714Skris	int i;
9555714Skris	BIGNUM *n;
9655714Skris	BN_CTX *ctx;
9755714Skris	unsigned char seed_buf[20];
9855714Skris	DSA *dsa;
9955714Skris	int counter,h;
10055714Skris	BIO *bio_err=NULL;
10155714Skris
10255714Skris	if (bio_err == NULL)
10355714Skris		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
10455714Skris
10555714Skris	memcpy(seed_buf,seed,20);
10655714Skris	dsa=DSA_generate_parameters(1024,seed,20,&counter,&h,cb);
10755714Skris
10855714Skris	if (dsa == NULL)
10955714Skris		DSA_print(bio_err,dsa,0);
11055714Skris	}
11155714Skris
112