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

/* apps/dsa.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 <openssl/opensslconf.h>	/* for OPENSSL_NO_DSA */
#ifndef OPENSSL_NO_DSA
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "apps.h"
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/dsa.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/bn.h>

#undef PROG
#define PROG	dsa_main

/* -inform arg	- input format - default PEM (one of DER, NET or PEM)
 * -outform arg - output format - default PEM
 * -in arg	- input file - default stdin
 * -out arg	- output file - default stdout
 * -des		- encrypt output if PEM format with DES in cbc mode
 * -des3	- encrypt output if PEM format
 * -idea	- encrypt output if PEM format
 * -aes128	- encrypt output if PEM format
 * -aes192	- encrypt output if PEM format
 * -aes256	- encrypt output if PEM format
 * -camellia128 - encrypt output if PEM format
 * -camellia192 - encrypt output if PEM format
 * -camellia256 - encrypt output if PEM format
 * -text	- print a text version
 * -modulus	- print the DSA public key
 */

int MAIN(int, char **);

int MAIN(int argc, char **argv)
	{
#ifndef OPENSSL_NO_ENGINE
	ENGINE *e = NULL;
#endif
	int ret=1;
	DSA *dsa=NULL;
	int i,badops=0;
	const EVP_CIPHER *enc=NULL;
	BIO *in=NULL,*out=NULL;
	int informat,outformat,text=0,noout=0;
	int pubin = 0, pubout = 0;
	char *infile,*outfile,*prog;
#ifndef OPENSSL_NO_ENGINE
	char *engine;
#endif
	char *passargin = NULL, *passargout = NULL;
	char *passin = NULL, *passout = NULL;
	int modulus=0;

	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);

	if (!load_config(bio_err, NULL))
		goto end;

#ifndef OPENSSL_NO_ENGINE
	engine=NULL;
#endif
	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,"-passin") == 0)
			{
			if (--argc < 1) goto bad;
			passargin= *(++argv);
			}
		else if (strcmp(*argv,"-passout") == 0)
			{
			if (--argc < 1) goto bad;
			passargout= *(++argv);
			}
#ifndef OPENSSL_NO_ENGINE
		else if (strcmp(*argv,"-engine") == 0)
			{
			if (--argc < 1) goto bad;
			engine= *(++argv);
			}
#endif
		else if (strcmp(*argv,"-noout") == 0)
			noout=1;
		else if (strcmp(*argv,"-text") == 0)
			text=1;
		else if (strcmp(*argv,"-modulus") == 0)
			modulus=1;
		else if (strcmp(*argv,"-pubin") == 0)
			pubin=1;
		else if (strcmp(*argv,"-pubout") == 0)
			pubout=1;
		else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
			{
			BIO_printf(bio_err,"unknown option %s\n",*argv);
			badops=1;
			break;
			}
		argc--;
		argv++;
		}

	if (badops)
		{
bad:
		BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
		BIO_printf(bio_err,"where options are\n");
		BIO_printf(bio_err," -inform arg     input format - DER or PEM\n");
		BIO_printf(bio_err," -outform arg    output format - DER or PEM\n");
		BIO_printf(bio_err," -in arg         input file\n");
		BIO_printf(bio_err," -passin arg     input file pass phrase source\n");
		BIO_printf(bio_err," -out arg        output file\n");
		BIO_printf(bio_err," -passout arg    output file pass phrase source\n");
#ifndef OPENSSL_NO_ENGINE
		BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
#endif
		BIO_printf(bio_err," -des            encrypt PEM output with cbc des\n");
		BIO_printf(bio_err," -des3           encrypt PEM output with ede cbc des using 168 bit key\n");
#ifndef OPENSSL_NO_IDEA
		BIO_printf(bio_err," -idea           encrypt PEM output with cbc idea\n");
#endif
#ifndef OPENSSL_NO_AES
		BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
		BIO_printf(bio_err,"                 encrypt PEM output with cbc aes\n");
#endif
#ifndef OPENSSL_NO_CAMELLIA
		BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n");
		BIO_printf(bio_err,"                 encrypt PEM output with cbc camellia\n");
#endif
		BIO_printf(bio_err," -text           print the key in text\n");
		BIO_printf(bio_err," -noout          don't print key out\n");
		BIO_printf(bio_err," -modulus        print the DSA public value\n");
		goto end;
		}

	ERR_load_crypto_strings();

#ifndef OPENSSL_NO_ENGINE
        e = setup_engine(bio_err, engine, 0);
#endif

	if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
		BIO_printf(bio_err, "Error getting passwords\n");
		goto end;
	}

	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;
			}
		}

	BIO_printf(bio_err,"read DSA key\n");
	if	(informat == FORMAT_ASN1) {
		if(pubin) dsa=d2i_DSA_PUBKEY_bio(in,NULL);
		else dsa=d2i_DSAPrivateKey_bio(in,NULL);
	} else if (informat == FORMAT_PEM) {
		if(pubin) dsa=PEM_read_bio_DSA_PUBKEY(in,NULL, NULL, NULL);
		else dsa=PEM_read_bio_DSAPrivateKey(in,NULL,NULL,passin);
	} else
		{
		BIO_printf(bio_err,"bad input format specified for key\n");
		goto end;
		}
	if (dsa == NULL)
		{
		BIO_printf(bio_err,"unable to load Key\n");
		ERR_print_errors(bio_err);
		goto end;
		}

	if (outfile == NULL)
		{
		BIO_set_fp(out,stdout,BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
		{
		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
		out = BIO_push(tmpbio, out);
		}
#endif
		}
	else
		{
		if (BIO_write_filename(out,outfile) <= 0)
			{
			perror(outfile);
			goto end;
			}
		}

	if (text) 
		if (!DSA_print(out,dsa,0))
			{
			perror(outfile);
			ERR_print_errors(bio_err);
			goto end;
			}

	if (modulus)
		{
		fprintf(stdout,"Public Key=");
		BN_print(out,dsa->pub_key);
		fprintf(stdout,"\n");
		}

	if (noout) goto end;
	BIO_printf(bio_err,"writing DSA key\n");
	if 	(outformat == FORMAT_ASN1) {
		if(pubin || pubout) i=i2d_DSA_PUBKEY_bio(out,dsa);
		else i=i2d_DSAPrivateKey_bio(out,dsa);
	} else if (outformat == FORMAT_PEM) {
		if(pubin || pubout)
			i=PEM_write_bio_DSA_PUBKEY(out,dsa);
		else i=PEM_write_bio_DSAPrivateKey(out,dsa,enc,
							NULL,0,NULL, passout);
	} else {
		BIO_printf(bio_err,"bad output format specified for outfile\n");
		goto end;
		}
	if (!i)
		{
		BIO_printf(bio_err,"unable to write private key\n");
		ERR_print_errors(bio_err);
		}
	else
		ret=0;
end:
	if(in != NULL) BIO_free(in);
	if(out != NULL) BIO_free_all(out);
	if(dsa != NULL) DSA_free(dsa);
	if(passin) OPENSSL_free(passin);
	if(passout) OPENSSL_free(passout);
	apps_shutdown();
	OPENSSL_EXIT(ret);
	}
#endif
Commit	Line	Data
d02b48c6	1	/* apps/dsa.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
4913b88f	59	#include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */
cf1b7d96	60	#ifndef OPENSSL_NO_DSA
d02b48c6 RE	61	#include <stdio.h>
	62	#include <stdlib.h>
	63	#include <string.h>
	64	#include <time.h>
	65	#include "apps.h"
ec577822 BM	66	#include <openssl/bio.h>
	67	#include <openssl/err.h>
	68	#include <openssl/dsa.h>
	69	#include <openssl/evp.h>
	70	#include <openssl/x509.h>
	71	#include <openssl/pem.h>
f0eae953	72	#include <openssl/bn.h>
d02b48c6 RE	73
	74	#undef PROG
	75	#define PROG dsa_main
	76
	77	/* -inform arg - input format - default PEM (one of DER, NET or PEM)
	78	* -outform arg - output format - default PEM
	79	* -in arg - input file - default stdin
	80	* -out arg - output file - default stdout
	81	* -des - encrypt output if PEM format with DES in cbc mode
	82	* -des3 - encrypt output if PEM format
	83	* -idea - encrypt output if PEM format
b3dfaaa1 RL	84	* -aes128 - encrypt output if PEM format
	85	* -aes192 - encrypt output if PEM format
	86	* -aes256 - encrypt output if PEM format
e18eef3d BM	87	* -camellia128 - encrypt output if PEM format
	88	* -camellia192 - encrypt output if PEM format
	89	* -camellia256 - encrypt output if PEM format
d02b48c6 RE	90	* -text - print a text version
	91	* -modulus - print the DSA public key
	92	*/
	93
667ac4ec RE	94	int MAIN(int, char **);
667ac4ec RE	95
6b691a5c	96	int MAIN(int argc, char **argv)
d02b48c6	97	{
0b13e9f0	98	#ifndef OPENSSL_NO_ENGINE
5270e702	99	ENGINE *e = NULL;
0b13e9f0	100	#endif
d02b48c6 RE	101	int ret=1;
	102	DSA *dsa=NULL;
	103	int i,badops=0;
e778802f	104	const EVP_CIPHER *enc=NULL;
d02b48c6 RE	105	BIO in=NULL,out=NULL;
d02b48c6 RE	106	int informat,outformat,text=0,noout=0;
3ea23631	107	int pubin = 0, pubout = 0;
0b13e9f0 RL	108	char infile,outfile,*prog;
	109	#ifndef OPENSSL_NO_ENGINE
	110	char *engine;
	111	#endif
a3fe382e	112	char passargin = NULL, passargout = NULL;
af29811e	113	char passin = NULL, passout = NULL;
d02b48c6 RE	114	int modulus=0;
	115
	116	apps_startup();
	117
	118	if (bio_err == NULL)
	119	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
58964a49	120	BIO_set_fp(bio_err,stderr,BIO_NOCLOSE\|BIO_FP_TEXT);
d02b48c6	121
3647bee2 DSH	122	if (!load_config(bio_err, NULL))
	123	goto end;
	124
0b13e9f0	125	#ifndef OPENSSL_NO_ENGINE
5270e702	126	engine=NULL;
0b13e9f0	127	#endif
d02b48c6 RE	128	infile=NULL;
	129	outfile=NULL;
	130	informat=FORMAT_PEM;
	131	outformat=FORMAT_PEM;
	132
	133	prog=argv[0];
	134	argc--;
	135	argv++;
	136	while (argc >= 1)
	137	{
	138	if (strcmp(*argv,"-inform") == 0)
	139	{
	140	if (--argc < 1) goto bad;
	141	informat=str2fmt(*(++argv));
	142	}
	143	else if (strcmp(*argv,"-outform") == 0)
	144	{
	145	if (--argc < 1) goto bad;
	146	outformat=str2fmt(*(++argv));
	147	}
	148	else if (strcmp(*argv,"-in") == 0)
	149	{
	150	if (--argc < 1) goto bad;
	151	infile= *(++argv);
	152	}
	153	else if (strcmp(*argv,"-out") == 0)
	154	{
	155	if (--argc < 1) goto bad;
	156	outfile= *(++argv);
	157	}
af29811e DSH	158	else if (strcmp(*argv,"-passin") == 0)
	159	{
	160	if (--argc < 1) goto bad;
a3fe382e	161	passargin= *(++argv);
af29811e DSH	162	}
	163	else if (strcmp(*argv,"-passout") == 0)
	164	{
	165	if (--argc < 1) goto bad;
a3fe382e	166	passargout= *(++argv);
af29811e	167	}
0b13e9f0	168	#ifndef OPENSSL_NO_ENGINE
5270e702 RL	169	else if (strcmp(*argv,"-engine") == 0)
	170	{
	171	if (--argc < 1) goto bad;
	172	engine= *(++argv);
	173	}
0b13e9f0	174	#endif
d02b48c6 RE	175	else if (strcmp(*argv,"-noout") == 0)
	176	noout=1;
	177	else if (strcmp(*argv,"-text") == 0)
	178	text=1;
	179	else if (strcmp(*argv,"-modulus") == 0)
	180	modulus=1;
3ea23631 DSH	181	else if (strcmp(*argv,"-pubin") == 0)
	182	pubin=1;
	183	else if (strcmp(*argv,"-pubout") == 0)
	184	pubout=1;
d02b48c6 RE	185	else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
	186	{
	187	BIO_printf(bio_err,"unknown option %s\n",*argv);
	188	badops=1;
	189	break;
	190	}
	191	argc--;
	192	argv++;
	193	}
	194
	195	if (badops)
	196	{
	197	bad:
	198	BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
	199	BIO_printf(bio_err,"where options are\n");
af29811e DSH	200	BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
	201	BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
	202	BIO_printf(bio_err," -in arg input file\n");
a3fe382e	203	BIO_printf(bio_err," -passin arg input file pass phrase source\n");
af29811e	204	BIO_printf(bio_err," -out arg output file\n");
a3fe382e	205	BIO_printf(bio_err," -passout arg output file pass phrase source\n");
0b13e9f0	206	#ifndef OPENSSL_NO_ENGINE
5270e702	207	BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
0b13e9f0	208	#endif
af29811e DSH	209	BIO_printf(bio_err," -des encrypt PEM output with cbc des\n");
af29811e DSH	210	BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
cf1b7d96	211	#ifndef OPENSSL_NO_IDEA
af29811e	212	BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n");
b3dfaaa1 RL	213	#endif
	214	#ifndef OPENSSL_NO_AES
	215	BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
	216	BIO_printf(bio_err," encrypt PEM output with cbc aes\n");
e18eef3d BM	217	#endif
	218	#ifndef OPENSSL_NO_CAMELLIA
	219	BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n");
	220	BIO_printf(bio_err," encrypt PEM output with cbc camellia\n");
d02b48c6	221	#endif
af29811e DSH	222	BIO_printf(bio_err," -text print the key in text\n");
	223	BIO_printf(bio_err," -noout don't print key out\n");
	224	BIO_printf(bio_err," -modulus print the DSA public value\n");
d02b48c6 RE	225	goto end;
	226	}
	227
	228	ERR_load_crypto_strings();
	229
0b13e9f0	230	#ifndef OPENSSL_NO_ENGINE
a3376fe8	231	e = setup_engine(bio_err, engine, 0);
0b13e9f0	232	#endif
5270e702	233
a3fe382e DSH	234	if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
	235	BIO_printf(bio_err, "Error getting passwords\n");
	236	goto end;
	237	}
	238
d02b48c6 RE	239	in=BIO_new(BIO_s_file());
	240	out=BIO_new(BIO_s_file());
	241	if ((in == NULL) \|\| (out == NULL))
	242	{
	243	ERR_print_errors(bio_err);
	244	goto end;
	245	}
	246
	247	if (infile == NULL)
	248	BIO_set_fp(in,stdin,BIO_NOCLOSE);
	249	else
	250	{
	251	if (BIO_read_filename(in,infile) <= 0)
	252	{
	253	perror(infile);
	254	goto end;
	255	}
	256	}
	257
3ea23631 DSH	258	BIO_printf(bio_err,"read DSA key\n");
3ea23631 DSH	259	if (informat == FORMAT_ASN1) {
52664f50	260	if(pubin) dsa=d2i_DSA_PUBKEY_bio(in,NULL);
3ea23631 DSH	261	else dsa=d2i_DSAPrivateKey_bio(in,NULL);
3ea23631 DSH	262	} else if (informat == FORMAT_PEM) {
52664f50	263	if(pubin) dsa=PEM_read_bio_DSA_PUBKEY(in,NULL, NULL, NULL);
a3fe382e	264	else dsa=PEM_read_bio_DSAPrivateKey(in,NULL,NULL,passin);
3ea23631	265	} else
d02b48c6 RE	266	{
	267	BIO_printf(bio_err,"bad input format specified for key\n");
	268	goto end;
	269	}
	270	if (dsa == NULL)
	271	{
3ea23631	272	BIO_printf(bio_err,"unable to load Key\n");
d02b48c6 RE	273	ERR_print_errors(bio_err);
	274	goto end;
	275	}
	276
	277	if (outfile == NULL)
645749ef	278	{
d02b48c6	279	BIO_set_fp(out,stdout,BIO_NOCLOSE);
bc36ee62	280	#ifdef OPENSSL_SYS_VMS
645749ef RL	281	{
	282	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
	283	out = BIO_push(tmpbio, out);
	284	}
	285	#endif
	286	}
d02b48c6 RE	287	else
	288	{
	289	if (BIO_write_filename(out,outfile) <= 0)
	290	{
	291	perror(outfile);
	292	goto end;
	293	}
	294	}
	295
	296	if (text)
	297	if (!DSA_print(out,dsa,0))
	298	{
	299	perror(outfile);
	300	ERR_print_errors(bio_err);
	301	goto end;
	302	}
	303
	304	if (modulus)
	305	{
	306	fprintf(stdout,"Public Key=");
	307	BN_print(out,dsa->pub_key);
	308	fprintf(stdout,"\n");
	309	}
	310
	311	if (noout) goto end;
3ea23631 DSH	312	BIO_printf(bio_err,"writing DSA key\n");
3ea23631 DSH	313	if (outformat == FORMAT_ASN1) {
52664f50	314	if(pubin \|\| pubout) i=i2d_DSA_PUBKEY_bio(out,dsa);
3ea23631 DSH	315	else i=i2d_DSAPrivateKey_bio(out,dsa);
	316	} else if (outformat == FORMAT_PEM) {
	317	if(pubin \|\| pubout)
52664f50	318	i=PEM_write_bio_DSA_PUBKEY(out,dsa);
36217a94	319	else i=PEM_write_bio_DSAPrivateKey(out,dsa,enc,
a3fe382e	320	NULL,0,NULL, passout);
af29811e	321	} else {
d02b48c6 RE	322	BIO_printf(bio_err,"bad output format specified for outfile\n");
	323	goto end;
	324	}
	325	if (!i)
	326	{
	327	BIO_printf(bio_err,"unable to write private key\n");
	328	ERR_print_errors(bio_err);
	329	}
	330	else
	331	ret=0;
	332	end:
a3fe382e	333	if(in != NULL) BIO_free(in);
645749ef	334	if(out != NULL) BIO_free_all(out);
a3fe382e	335	if(dsa != NULL) DSA_free(dsa);
26a3a48d RL	336	if(passin) OPENSSL_free(passin);
26a3a48d RL	337	if(passout) OPENSSL_free(passout);
c04f8cf4	338	apps_shutdown();
1c3e4a36	339	OPENSSL_EXIT(ret);
d02b48c6	340	}
f5d7a031	341	#endif