[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 <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/bn.h>
#include <openssl/rand.h>
#include <openssl/dsa.h>
#include <openssl/x509.h>
#include <openssl/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
 */

static void MS_CALLBACK dsa_cb(int p, int n, char *arg);
int MAIN(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(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"
ec577822 BM	64	#include <openssl/bio.h>
	65	#include <openssl/err.h>
	66	#include <openssl/bn.h>
	67	#include <openssl/rand.h>
	68	#include <openssl/dsa.h>
	69	#include <openssl/x509.h>
	70	#include <openssl/pem.h>
d02b48c6 RE	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	*/
d02b48c6 RE	85
58964a49	86	static void MS_CALLBACK dsa_cb(int p, int n, char *arg);
6b691a5c	87	int MAIN(int argc, char **argv)
d02b48c6 RE	88	{
	89	DSA *dsa=NULL;
	90	int i,badops=0,text=0;
	91	BIO in=NULL,out=NULL;
	92	int informat,outformat,noout=0,C=0,ret=1;
	93	char infile,outfile,prog,inrand=NULL;
dfeab068	94	int numbits= -1,num,genkey=0;
d02b48c6 RE	95	char buffer[200],*randfile=NULL;
	96
	97	apps_startup();
	98
	99	if (bio_err == NULL)
	100	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
58964a49	101	BIO_set_fp(bio_err,stderr,BIO_NOCLOSE\|BIO_FP_TEXT);
d02b48c6 RE	102
	103	infile=NULL;
	104	outfile=NULL;
	105	informat=FORMAT_PEM;
	106	outformat=FORMAT_PEM;
	107
	108	prog=argv[0];
	109	argc--;
	110	argv++;
	111	while (argc >= 1)
	112	{
	113	if (strcmp(*argv,"-inform") == 0)
	114	{
	115	if (--argc < 1) goto bad;
	116	informat=str2fmt(*(++argv));
	117	}
	118	else if (strcmp(*argv,"-outform") == 0)
	119	{
	120	if (--argc < 1) goto bad;
	121	outformat=str2fmt(*(++argv));
	122	}
	123	else if (strcmp(*argv,"-in") == 0)
	124	{
	125	if (--argc < 1) goto bad;
	126	infile= *(++argv);
	127	}
	128	else if (strcmp(*argv,"-out") == 0)
	129	{
	130	if (--argc < 1) goto bad;
	131	outfile= *(++argv);
	132	}
	133	else if (strcmp(*argv,"-text") == 0)
	134	text=1;
	135	else if (strcmp(*argv,"-C") == 0)
	136	C=1;
dfeab068 RE	137	else if (strcmp(*argv,"-genkey") == 0)
dfeab068 RE	138	genkey=1;
d02b48c6 RE	139	else if (strcmp(*argv,"-rand") == 0)
	140	{
	141	if (--argc < 1) goto bad;
	142	inrand= *(++argv);
	143	}
	144	else if (strcmp(*argv,"-noout") == 0)
	145	noout=1;
	146	else if (sscanf(*argv,"%d",&num) == 1)
	147	{
	148	/* generate a key */
	149	numbits=num;
	150	}
	151	else
	152	{
	153	BIO_printf(bio_err,"unknown option %s\n",*argv);
	154	badops=1;
	155	break;
	156	}
	157	argc--;
	158	argv++;
	159	}
	160
	161	if (badops)
	162	{
	163	bad:
	164	BIO_printf(bio_err,"%s [options] [bits] <infile >outfile\n",prog);
	165	BIO_printf(bio_err,"where options are\n");
	166	BIO_printf(bio_err," -inform arg input format - one of DER TXT PEM\n");
	167	BIO_printf(bio_err," -outform arg output format - one of DER TXT PEM\n");
9fe84296	168	BIO_printf(bio_err," -in arg input file\n");
d02b48c6 RE	169	BIO_printf(bio_err," -out arg output file\n");
	170	BIO_printf(bio_err," -text check the DSA parameters\n");
	171	BIO_printf(bio_err," -C Output C code\n");
	172	BIO_printf(bio_err," -noout no output\n");
	173	BIO_printf(bio_err," -rand files to use for random number input\n");
	174	BIO_printf(bio_err," number number of bits to use for generating private key\n");
	175	goto end;
	176	}
	177
	178	ERR_load_crypto_strings();
	179
	180	in=BIO_new(BIO_s_file());
	181	out=BIO_new(BIO_s_file());
	182	if ((in == NULL) \|\| (out == NULL))
	183	{
	184	ERR_print_errors(bio_err);
	185	goto end;
	186	}
	187
	188	if (infile == NULL)
	189	BIO_set_fp(in,stdin,BIO_NOCLOSE);
	190	else
	191	{
	192	if (BIO_read_filename(in,infile) <= 0)
	193	{
	194	perror(infile);
	195	goto end;
	196	}
	197	}
	198	if (outfile == NULL)
	199	BIO_set_fp(out,stdout,BIO_NOCLOSE);
	200	else
	201	{
	202	if (BIO_write_filename(out,outfile) <= 0)
	203	{
	204	perror(outfile);
	205	goto end;
	206	}
	207	}
	208
	209	if (numbits > 0)
	210	{
	211	randfile=RAND_file_name(buffer,200);
	212	RAND_load_file(randfile,1024L*1024L);
	213
	214	BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
	215	BIO_printf(bio_err,"This could take some time\n");
58964a49 RE	216	dsa=DSA_generate_parameters(num,NULL,0,NULL,NULL,
58964a49 RE	217	dsa_cb,(char *)bio_err);
d02b48c6 RE	218	}
	219	else if (informat == FORMAT_ASN1)
	220	dsa=d2i_DSAparams_bio(in,NULL);
	221	else if (informat == FORMAT_PEM)
	222	dsa=PEM_read_bio_DSAparams(in,NULL,NULL);
	223	else
	224	{
	225	BIO_printf(bio_err,"bad input format specified\n");
	226	goto end;
	227	}
	228	if (dsa == NULL)
	229	{
	230	BIO_printf(bio_err,"unable to load DSA parameters\n");
	231	ERR_print_errors(bio_err);
	232	goto end;
	233	}
	234
	235	if (text)
	236	{
	237	DSAparams_print(out,dsa);
	238	}
	239
	240	if (C)
	241	{
	242	unsigned char *data;
	243	int l,len,bits_p,bits_q,bits_g;
	244
	245	len=BN_num_bytes(dsa->p);
	246	bits_p=BN_num_bits(dsa->p);
	247	bits_q=BN_num_bits(dsa->q);
	248	bits_g=BN_num_bits(dsa->g);
	249	data=(unsigned char *)Malloc(len+20);
	250	if (data == NULL)
	251	{
	252	perror("Malloc");
	253	goto end;
	254	}
	255	l=BN_bn2bin(dsa->p,data);
	256	printf("static unsigned char dsa%d_p[]={",bits_p);
	257	for (i=0; i<l; i++)
	258	{
	259	if ((i%12) == 0) printf("\n\t");
	260	printf("0x%02X,",data[i]);
	261	}
	262	printf("\n\t};\n");
	263
	264	l=BN_bn2bin(dsa->q,data);
	265	printf("static unsigned char dsa%d_q[]={",bits_p);
	266	for (i=0; i<l; i++)
	267	{
	268	if ((i%12) == 0) printf("\n\t");
	269	printf("0x%02X,",data[i]);
	270	}
	271	printf("\n\t};\n");
	272
	273	l=BN_bn2bin(dsa->g,data);
	274	printf("static unsigned char dsa%d_g[]={",bits_p);
	275	for (i=0; i<l; i++)
	276	{
	277	if ((i%12) == 0) printf("\n\t");
	278	printf("0x%02X,",data[i]);
	279	}
	280	printf("\n\t};\n\n");
	281
282	printf("DSA *get_dsa%d()\n\t{\n",bits_p);
283	printf("\tDSA *dsa;\n\n");
284	printf("\tif ((dsa=DSA_new()) == NULL) return(NULL);\n");
285	printf("\tdsa->p=BN_bin2bn(dsa%d_p,sizeof(dsa%d_p),NULL);\n",
286	bits_p,bits_p);
287	printf("\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\n",
288	bits_p,bits_p);
289	printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n",
290	bits_p,bits_p);
291	printf("\tif ((dsa->p == NULL) \|\| (dsa->q == NULL) \|\| (dsa->g == NULL))\n");
292	printf("\t\treturn(NULL);\n");
293	printf("\treturn(dsa);\n\t}\n");
294	}
295
296
297	if (!noout)
298	{
299	if (outformat == FORMAT_ASN1)
300	i=i2d_DSAparams_bio(out,dsa);
301	else if (outformat == FORMAT_PEM)
302	i=PEM_write_bio_DSAparams(out,dsa);
303	else {
304	BIO_printf(bio_err,"bad output format specified for outfile\n");
305	goto end;
306	}
307	if (!i)
308	{
309	BIO_printf(bio_err,"unable to write DSA paramaters\n");
310	ERR_print_errors(bio_err);
311	goto end;
312	}
313	}
dfeab068 RE	314	if (genkey)
	315	{
	316	DSA *dsakey;
	317
	318	if ((dsakey=DSAparams_dup(dsa)) == NULL) goto end;
	319	if (!DSA_generate_key(dsakey)) goto end;
	320	if (outformat == FORMAT_ASN1)
	321	i=i2d_DSAPrivateKey_bio(out,dsakey);
	322	else if (outformat == FORMAT_PEM)
	323	i=PEM_write_bio_DSAPrivateKey(out,dsakey,NULL,NULL,0,NULL);
	324	else {
	325	BIO_printf(bio_err,"bad output format specified for outfile\n");
	326	goto end;
	327	}
	328	DSA_free(dsakey);
	329	}
d02b48c6 RE	330	ret=0;
	331	end:
	332	if (in != NULL) BIO_free(in);
	333	if (out != NULL) BIO_free(out);
	334	if (dsa != NULL) DSA_free(dsa);
	335	EXIT(ret);
	336	}
	337
6b691a5c	338	static void MS_CALLBACK dsa_cb(int p, int n, char *arg)
d02b48c6 RE	339	{
	340	char c='*';
	341
	342	if (p == 0) c='.';
	343	if (p == 1) c='+';
	344	if (p == 2) c='*';
	345	if (p == 3) c='\n';
58964a49 RE	346	BIO_write((BIO *)arg,&c,1);
58964a49 RE	347	BIO_flush((BIO *)arg);
d02b48c6 RE	348	#ifdef LINT
	349	p=n;
	350	#endif
	351	}