[thirdparty/openssl.git] / apps / dsaparam.c

/* apps/dsaparam.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * 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 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 cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 OR CONTRIBUTORS 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.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include "apps.h"
#include "bio.h"
#include "err.h"
#include "bn.h"
#include "rand.h"
#include "dsa.h"
#include "x509.h"
#include "pem.h"

#undef PROG
#define PROG	dsaparam_main

/* -inform arg	- input format - default PEM (one of DER, TXT or PEM)
 * -outform arg - output format - default PEM
 * -in arg	- input file - default stdin
 * -out arg	- output file - default stdout
 * -noout
 * -text
 * -C
 * -noout
 * -genkey
 */

#ifndef NOPROTO
static void MS_CALLBACK dsa_cb(int p, int n, char *arg);
#else
static void MS_CALLBACK dsa_cb();
#endif

int MAIN(argc, argv)
int argc;
char **argv;
	{
	DSA *dsa=NULL;
	int i,badops=0,text=0;
	BIO *in=NULL,*out=NULL;
	int informat,outformat,noout=0,C=0,ret=1;
	char *infile,*outfile,*prog,*inrand=NULL;
	int numbits= -1,num,genkey=0;
	char buffer[200],*randfile=NULL;

	apps_startup();

	if (bio_err == NULL)
		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);

	infile=NULL;
	outfile=NULL;
	informat=FORMAT_PEM;
	outformat=FORMAT_PEM;

	prog=argv[0];
	argc--;
	argv++;
	while (argc >= 1)
		{
		if 	(strcmp(*argv,"-inform") == 0)
			{
			if (--argc < 1) goto bad;
			informat=str2fmt(*(++argv));
			}
		else if (strcmp(*argv,"-outform") == 0)
			{
			if (--argc < 1) goto bad;
			outformat=str2fmt(*(++argv));
			}
		else if (strcmp(*argv,"-in") == 0)
			{
			if (--argc < 1) goto bad;
			infile= *(++argv);
			}
		else if (strcmp(*argv,"-out") == 0)
			{
			if (--argc < 1) goto bad;
			outfile= *(++argv);
			}
		else if (strcmp(*argv,"-text") == 0)
			text=1;
		else if (strcmp(*argv,"-C") == 0)
			C=1;
		else if (strcmp(*argv,"-genkey") == 0)
			genkey=1;
		else if (strcmp(*argv,"-rand") == 0)
			{
			if (--argc < 1) goto bad;
			inrand= *(++argv);
			}
		else if (strcmp(*argv,"-noout") == 0)
			noout=1;
		else if (sscanf(*argv,"%d",&num) == 1)
			{
			/* generate a key */
			numbits=num;
			}
		else
			{
			BIO_printf(bio_err,"unknown option %s\n",*argv);
			badops=1;
			break;
			}
		argc--;
		argv++;
		}

	if (badops)
		{
bad:
		BIO_printf(bio_err,"%s [options] [bits] <infile >outfile\n",prog);
		BIO_printf(bio_err,"where options are\n");
		BIO_printf(bio_err," -inform arg   input format - one of DER TXT PEM\n");
		BIO_printf(bio_err," -outform arg  output format - one of DER TXT PEM\n");
		BIO_printf(bio_err," -in arg       input file\n");
		BIO_printf(bio_err," -out arg      output file\n");
		BIO_printf(bio_err," -text         check the DSA parameters\n");
		BIO_printf(bio_err," -C            Output C code\n");
		BIO_printf(bio_err," -noout        no output\n");
		BIO_printf(bio_err," -rand         files to use for random number input\n");
		BIO_printf(bio_err," number        number of bits to use for generating private key\n");
		goto end;
		}

	ERR_load_crypto_strings();

	in=BIO_new(BIO_s_file());
	out=BIO_new(BIO_s_file());
	if ((in == NULL) || (out == NULL))
		{
		ERR_print_errors(bio_err);
		goto end;
		}

	if (infile == NULL)
		BIO_set_fp(in,stdin,BIO_NOCLOSE);
	else
		{
		if (BIO_read_filename(in,infile) <= 0)
			{
			perror(infile);
			goto end;
			}
		}
	if (outfile == NULL)
		BIO_set_fp(out,stdout,BIO_NOCLOSE);
	else
		{
		if (BIO_write_filename(out,outfile) <= 0)
			{
			perror(outfile);
			goto end;
			}
		}

	if (numbits > 0)
		{
		randfile=RAND_file_name(buffer,200);
		RAND_load_file(randfile,1024L*1024L);

		BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
	        BIO_printf(bio_err,"This could take some time\n");
	        dsa=DSA_generate_parameters(num,NULL,0,NULL,NULL,
			dsa_cb,(char *)bio_err);
		}
	else if	(informat == FORMAT_ASN1)
		dsa=d2i_DSAparams_bio(in,NULL);
	else if (informat == FORMAT_PEM)
		dsa=PEM_read_bio_DSAparams(in,NULL,NULL);
	else
		{
		BIO_printf(bio_err,"bad input format specified\n");
		goto end;
		}
	if (dsa == NULL)
		{
		BIO_printf(bio_err,"unable to load DSA parameters\n");
		ERR_print_errors(bio_err);
		goto end;
		}

	if (text)
		{
		DSAparams_print(out,dsa);
		}
	
	if (C)
		{
		unsigned char *data;
		int l,len,bits_p,bits_q,bits_g;

		len=BN_num_bytes(dsa->p);
		bits_p=BN_num_bits(dsa->p);
		bits_q=BN_num_bits(dsa->q);
		bits_g=BN_num_bits(dsa->g);
		data=(unsigned char *)Malloc(len+20);
		if (data == NULL)
			{
			perror("Malloc");
			goto end;
			}
		l=BN_bn2bin(dsa->p,data);
		printf("static unsigned char dsa%d_p[]={",bits_p);
		for (i=0; i<l; i++)
			{
			if ((i%12) == 0) printf("\n\t");
			printf("0x%02X,",data[i]);
			}
		printf("\n\t};\n");

		l=BN_bn2bin(dsa->q,data);
		printf("static unsigned char dsa%d_q[]={",bits_p);
		for (i=0; i<l; i++)
			{
			if ((i%12) == 0) printf("\n\t");
			printf("0x%02X,",data[i]);
			}
		printf("\n\t};\n");

		l=BN_bn2bin(dsa->g,data);
		printf("static unsigned char dsa%d_g[]={",bits_p);
		for (i=0; i<l; i++)
			{
			if ((i%12) == 0) printf("\n\t");
			printf("0x%02X,",data[i]);
			}
		printf("\n\t};\n\n");

		printf("DSA *get_dsa%d()\n\t{\n",bits_p);
		printf("\tDSA *dsa;\n\n");
		printf("\tif ((dsa=DSA_new()) == NULL) return(NULL);\n");
		printf("\tdsa->p=BN_bin2bn(dsa%d_p,sizeof(dsa%d_p),NULL);\n",
			bits_p,bits_p);
		printf("\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\n",
			bits_p,bits_p);
		printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n",
			bits_p,bits_p);
		printf("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n");
		printf("\t\treturn(NULL);\n");
		printf("\treturn(dsa);\n\t}\n");
		}


	if (!noout)
		{
		if 	(outformat == FORMAT_ASN1)
			i=i2d_DSAparams_bio(out,dsa);
		else if (outformat == FORMAT_PEM)
			i=PEM_write_bio_DSAparams(out,dsa);
		else	{
			BIO_printf(bio_err,"bad output format specified for outfile\n");
			goto end;
			}
		if (!i)
			{
			BIO_printf(bio_err,"unable to write DSA paramaters\n");
			ERR_print_errors(bio_err);
			goto end;
			}
		}
	if (genkey)
		{
		DSA *dsakey;

		if ((dsakey=DSAparams_dup(dsa)) == NULL) goto end;
		if (!DSA_generate_key(dsakey)) goto end;
		if 	(outformat == FORMAT_ASN1)
			i=i2d_DSAPrivateKey_bio(out,dsakey);
		else if (outformat == FORMAT_PEM)
			i=PEM_write_bio_DSAPrivateKey(out,dsakey,NULL,NULL,0,NULL);
		else	{
			BIO_printf(bio_err,"bad output format specified for outfile\n");
			goto end;
			}
		DSA_free(dsakey);
		}
	ret=0;
end:
	if (in != NULL) BIO_free(in);
	if (out != NULL) BIO_free(out);
	if (dsa != NULL) DSA_free(dsa);
	EXIT(ret);
	}

static void MS_CALLBACK dsa_cb(p, n, arg)
int p;
int n;
char *arg;
	{
	char c='*';

	if (p == 0) c='.';
	if (p == 1) c='+';
	if (p == 2) c='*';
	if (p == 3) c='\n';
	BIO_write((BIO *)arg,&c,1);
	BIO_flush((BIO *)arg);
#ifdef LINT
	p=n;
#endif
	}
Commit	Line	Data
d02b48c6	1	/* apps/dsaparam.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@cryptsoft.com).
	7	* The implementation was written so as to conform with Netscapes SSL.
	8	*
	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	15	*
	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@cryptsoft.com)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
	37	* 4. If you include any Windows specific code (or a derivative thereof) from
	38	* the apps directory (application code) you must include an acknowledgement:
	39	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
	59	#include <stdio.h>
	60	#include <stdlib.h>
	61	#include <time.h>
	62	#include <string.h>
	63	#include "apps.h"
	64	#include "bio.h"
	65	#include "err.h"
	66	#include "bn.h"
67	#include "rand.h"
68	#include "dsa.h"
69	#include "x509.h"
70	#include "pem.h"
71
72	#undef PROG
73	#define PROG dsaparam_main
74
75	/* -inform arg - input format - default PEM (one of DER, TXT or PEM)
76	* -outform arg - output format - default PEM
77	* -in arg - input file - default stdin
78	* -out arg - output file - default stdout
79	* -noout
80	* -text
81	* -C
82	* -noout
dfeab068	83	* -genkey
d02b48c6 RE	84	*/
	85
	86	#ifndef NOPROTO
58964a49	87	static void MS_CALLBACK dsa_cb(int p, int n, char *arg);
d02b48c6 RE	88	#else
	89	static void MS_CALLBACK dsa_cb();
	90	#endif
	91
	92	int MAIN(argc, argv)
	93	int argc;
	94	char **argv;
	95	{
	96	DSA *dsa=NULL;
	97	int i,badops=0,text=0;
	98	BIO in=NULL,out=NULL;
	99	int informat,outformat,noout=0,C=0,ret=1;
	100	char infile,outfile,prog,inrand=NULL;
dfeab068	101	int numbits= -1,num,genkey=0;
d02b48c6 RE	102	char buffer[200],*randfile=NULL;
	103
	104	apps_startup();
	105
	106	if (bio_err == NULL)
	107	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
58964a49	108	BIO_set_fp(bio_err,stderr,BIO_NOCLOSE\|BIO_FP_TEXT);
d02b48c6 RE	109
	110	infile=NULL;
	111	outfile=NULL;
	112	informat=FORMAT_PEM;
	113	outformat=FORMAT_PEM;
	114
	115	prog=argv[0];
	116	argc--;
	117	argv++;
	118	while (argc >= 1)
	119	{
	120	if (strcmp(*argv,"-inform") == 0)
	121	{
	122	if (--argc < 1) goto bad;
	123	informat=str2fmt(*(++argv));
	124	}
	125	else if (strcmp(*argv,"-outform") == 0)
	126	{
	127	if (--argc < 1) goto bad;
	128	outformat=str2fmt(*(++argv));
	129	}
	130	else if (strcmp(*argv,"-in") == 0)
	131	{
	132	if (--argc < 1) goto bad;
	133	infile= *(++argv);
	134	}
	135	else if (strcmp(*argv,"-out") == 0)
	136	{
	137	if (--argc < 1) goto bad;
	138	outfile= *(++argv);
	139	}
	140	else if (strcmp(*argv,"-text") == 0)
	141	text=1;
	142	else if (strcmp(*argv,"-C") == 0)
	143	C=1;
dfeab068 RE	144	else if (strcmp(*argv,"-genkey") == 0)
dfeab068 RE	145	genkey=1;
d02b48c6 RE	146	else if (strcmp(*argv,"-rand") == 0)
	147	{
	148	if (--argc < 1) goto bad;
	149	inrand= *(++argv);
	150	}
	151	else if (strcmp(*argv,"-noout") == 0)
	152	noout=1;
	153	else if (sscanf(*argv,"%d",&num) == 1)
	154	{
	155	/* generate a key */
	156	numbits=num;
	157	}
	158	else
	159	{
	160	BIO_printf(bio_err,"unknown option %s\n",*argv);
	161	badops=1;
	162	break;
	163	}
	164	argc--;
	165	argv++;
	166	}
	167
	168	if (badops)
	169	{
	170	bad:
	171	BIO_printf(bio_err,"%s [options] [bits] <infile >outfile\n",prog);
	172	BIO_printf(bio_err,"where options are\n");
	173	BIO_printf(bio_err," -inform arg input format - one of DER TXT PEM\n");
	174	BIO_printf(bio_err," -outform arg output format - one of DER TXT PEM\n");
9fe84296	175	BIO_printf(bio_err," -in arg input file\n");
d02b48c6 RE	176	BIO_printf(bio_err," -out arg output file\n");
	177	BIO_printf(bio_err," -text check the DSA parameters\n");
	178	BIO_printf(bio_err," -C Output C code\n");
	179	BIO_printf(bio_err," -noout no output\n");
	180	BIO_printf(bio_err," -rand files to use for random number input\n");
	181	BIO_printf(bio_err," number number of bits to use for generating private key\n");
	182	goto end;
	183	}
	184
	185	ERR_load_crypto_strings();
	186
	187	in=BIO_new(BIO_s_file());
	188	out=BIO_new(BIO_s_file());
	189	if ((in == NULL) \|\| (out == NULL))
	190	{
	191	ERR_print_errors(bio_err);
	192	goto end;
	193	}
	194
	195	if (infile == NULL)
	196	BIO_set_fp(in,stdin,BIO_NOCLOSE);
	197	else
	198	{
	199	if (BIO_read_filename(in,infile) <= 0)
	200	{
	201	perror(infile);
	202	goto end;
	203	}
	204	}
	205	if (outfile == NULL)
	206	BIO_set_fp(out,stdout,BIO_NOCLOSE);
	207	else
	208	{
	209	if (BIO_write_filename(out,outfile) <= 0)
	210	{
	211	perror(outfile);
	212	goto end;
	213	}
	214	}
	215
	216	if (numbits > 0)
	217	{
	218	randfile=RAND_file_name(buffer,200);
	219	RAND_load_file(randfile,1024L*1024L);
	220
	221	BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
	222	BIO_printf(bio_err,"This could take some time\n");
58964a49 RE	223	dsa=DSA_generate_parameters(num,NULL,0,NULL,NULL,
58964a49 RE	224	dsa_cb,(char *)bio_err);
d02b48c6 RE	225	}
	226	else if (informat == FORMAT_ASN1)
	227	dsa=d2i_DSAparams_bio(in,NULL);
	228	else if (informat == FORMAT_PEM)
	229	dsa=PEM_read_bio_DSAparams(in,NULL,NULL);
	230	else
	231	{
	232	BIO_printf(bio_err,"bad input format specified\n");
	233	goto end;
	234	}
	235	if (dsa == NULL)
	236	{
	237	BIO_printf(bio_err,"unable to load DSA parameters\n");
	238	ERR_print_errors(bio_err);
	239	goto end;
	240	}
	241
	242	if (text)
	243	{
	244	DSAparams_print(out,dsa);
	245	}
	246
	247	if (C)
	248	{
	249	unsigned char *data;
	250	int l,len,bits_p,bits_q,bits_g;
	251
	252	len=BN_num_bytes(dsa->p);
	253	bits_p=BN_num_bits(dsa->p);
	254	bits_q=BN_num_bits(dsa->q);
	255	bits_g=BN_num_bits(dsa->g);
	256	data=(unsigned char *)Malloc(len+20);
	257	if (data == NULL)
	258	{
	259	perror("Malloc");
	260	goto end;
	261	}
	262	l=BN_bn2bin(dsa->p,data);
	263	printf("static unsigned char dsa%d_p[]={",bits_p);
	264	for (i=0; i<l; i++)
	265	{
	266	if ((i%12) == 0) printf("\n\t");
	267	printf("0x%02X,",data[i]);
	268	}
	269	printf("\n\t};\n");
	270
	271	l=BN_bn2bin(dsa->q,data);
	272	printf("static unsigned char dsa%d_q[]={",bits_p);
	273	for (i=0; i<l; i++)
	274	{
	275	if ((i%12) == 0) printf("\n\t");
	276	printf("0x%02X,",data[i]);
	277	}
	278	printf("\n\t};\n");
	279
	280	l=BN_bn2bin(dsa->g,data);
	281	printf("static unsigned char dsa%d_g[]={",bits_p);
	282	for (i=0; i<l; i++)
	283	{
	284	if ((i%12) == 0) printf("\n\t");
	285	printf("0x%02X,",data[i]);
	286	}
	287	printf("\n\t};\n\n");
	288
289	printf("DSA *get_dsa%d()\n\t{\n",bits_p);
290	printf("\tDSA *dsa;\n\n");
291	printf("\tif ((dsa=DSA_new()) == NULL) return(NULL);\n");
292	printf("\tdsa->p=BN_bin2bn(dsa%d_p,sizeof(dsa%d_p),NULL);\n",
293	bits_p,bits_p);
294	printf("\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\n",
295	bits_p,bits_p);
296	printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n",
297	bits_p,bits_p);
298	printf("\tif ((dsa->p == NULL) \|\| (dsa->q == NULL) \|\| (dsa->g == NULL))\n");
299	printf("\t\treturn(NULL);\n");
300	printf("\treturn(dsa);\n\t}\n");
301	}
302
303
304	if (!noout)
305	{
306	if (outformat == FORMAT_ASN1)
307	i=i2d_DSAparams_bio(out,dsa);
308	else if (outformat == FORMAT_PEM)
309	i=PEM_write_bio_DSAparams(out,dsa);
310	else {
311	BIO_printf(bio_err,"bad output format specified for outfile\n");
312	goto end;
313	}
314	if (!i)
315	{
316	BIO_printf(bio_err,"unable to write DSA paramaters\n");
317	ERR_print_errors(bio_err);
318	goto end;
319	}
320	}
dfeab068 RE	321	if (genkey)
	322	{
	323	DSA *dsakey;
	324
	325	if ((dsakey=DSAparams_dup(dsa)) == NULL) goto end;
	326	if (!DSA_generate_key(dsakey)) goto end;
	327	if (outformat == FORMAT_ASN1)
	328	i=i2d_DSAPrivateKey_bio(out,dsakey);
	329	else if (outformat == FORMAT_PEM)
	330	i=PEM_write_bio_DSAPrivateKey(out,dsakey,NULL,NULL,0,NULL);
	331	else {
	332	BIO_printf(bio_err,"bad output format specified for outfile\n");
	333	goto end;
	334	}
	335	DSA_free(dsakey);
	336	}
d02b48c6 RE	337	ret=0;
	338	end:
	339	if (in != NULL) BIO_free(in);
	340	if (out != NULL) BIO_free(out);
	341	if (dsa != NULL) DSA_free(dsa);
	342	EXIT(ret);
	343	}
	344
58964a49	345	static void MS_CALLBACK dsa_cb(p, n, arg)
d02b48c6 RE	346	int p;
d02b48c6 RE	347	int n;
58964a49	348	char *arg;
d02b48c6 RE	349	{
	350	char c='*';
	351
	352	if (p == 0) c='.';
	353	if (p == 1) c='+';
	354	if (p == 2) c='*';
	355	if (p == 3) c='\n';
58964a49 RE	356	BIO_write((BIO *)arg,&c,1);
58964a49 RE	357	BIO_flush((BIO *)arg);
d02b48c6 RE	358	#ifdef LINT
	359	p=n;
	360	#endif
	361	}