[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.]
 */

#ifndef 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>

#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
 * -text	- print a text version
 * -modulus	- print the DSA public key
 */

int MAIN(int, char **);

int MAIN(int argc, char **argv)
	{
	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;
	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);

	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);
			}
		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");
		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 NO_IDEA
		BIO_printf(bio_err," -idea           encrypt PEM output with cbc idea\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();

	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 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);
	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
f5d7a031	59	#ifndef NO_DSA
d02b48c6 RE	60	#include <stdio.h>
	61	#include <stdlib.h>
	62	#include <string.h>
	63	#include <time.h>
	64	#include "apps.h"
ec577822 BM	65	#include <openssl/bio.h>
	66	#include <openssl/err.h>
	67	#include <openssl/dsa.h>
	68	#include <openssl/evp.h>
	69	#include <openssl/x509.h>
	70	#include <openssl/pem.h>
d02b48c6 RE	71
	72	#undef PROG
	73	#define PROG dsa_main
	74
	75	/* -inform arg - input format - default PEM (one of DER, NET or PEM)
	76	* -outform arg - output format - default PEM
	77	* -in arg - input file - default stdin
	78	* -out arg - output file - default stdout
	79	* -des - encrypt output if PEM format with DES in cbc mode
	80	* -des3 - encrypt output if PEM format
	81	* -idea - encrypt output if PEM format
	82	* -text - print a text version
	83	* -modulus - print the DSA public key
	84	*/
	85
667ac4ec RE	86	int MAIN(int, char **);
667ac4ec RE	87
6b691a5c	88	int MAIN(int argc, char **argv)
d02b48c6 RE	89	{
	90	int ret=1;
	91	DSA *dsa=NULL;
	92	int i,badops=0;
e778802f	93	const EVP_CIPHER *enc=NULL;
d02b48c6 RE	94	BIO in=NULL,out=NULL;
d02b48c6 RE	95	int informat,outformat,text=0,noout=0;
3ea23631	96	int pubin = 0, pubout = 0;
d02b48c6	97	char infile,outfile,*prog;
a3fe382e	98	char passargin = NULL, passargout = NULL;
af29811e	99	char passin = NULL, passout = NULL;
d02b48c6 RE	100	int modulus=0;
	101
	102	apps_startup();
	103
	104	if (bio_err == NULL)
	105	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
58964a49	106	BIO_set_fp(bio_err,stderr,BIO_NOCLOSE\|BIO_FP_TEXT);
d02b48c6 RE	107
	108	infile=NULL;
	109	outfile=NULL;
	110	informat=FORMAT_PEM;
	111	outformat=FORMAT_PEM;
	112
	113	prog=argv[0];
	114	argc--;
	115	argv++;
	116	while (argc >= 1)
	117	{
	118	if (strcmp(*argv,"-inform") == 0)
	119	{
	120	if (--argc < 1) goto bad;
	121	informat=str2fmt(*(++argv));
	122	}
	123	else if (strcmp(*argv,"-outform") == 0)
	124	{
	125	if (--argc < 1) goto bad;
	126	outformat=str2fmt(*(++argv));
	127	}
	128	else if (strcmp(*argv,"-in") == 0)
	129	{
	130	if (--argc < 1) goto bad;
	131	infile= *(++argv);
	132	}
	133	else if (strcmp(*argv,"-out") == 0)
	134	{
	135	if (--argc < 1) goto bad;
	136	outfile= *(++argv);
	137	}
af29811e DSH	138	else if (strcmp(*argv,"-passin") == 0)
	139	{
	140	if (--argc < 1) goto bad;
a3fe382e	141	passargin= *(++argv);
af29811e DSH	142	}
	143	else if (strcmp(*argv,"-passout") == 0)
	144	{
	145	if (--argc < 1) goto bad;
a3fe382e	146	passargout= *(++argv);
af29811e	147	}
d02b48c6 RE	148	else if (strcmp(*argv,"-noout") == 0)
	149	noout=1;
	150	else if (strcmp(*argv,"-text") == 0)
	151	text=1;
	152	else if (strcmp(*argv,"-modulus") == 0)
	153	modulus=1;
3ea23631 DSH	154	else if (strcmp(*argv,"-pubin") == 0)
	155	pubin=1;
	156	else if (strcmp(*argv,"-pubout") == 0)
	157	pubout=1;
d02b48c6 RE	158	else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
	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] <infile >outfile\n",prog);
	172	BIO_printf(bio_err,"where options are\n");
af29811e DSH	173	BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
	174	BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
	175	BIO_printf(bio_err," -in arg input file\n");
a3fe382e	176	BIO_printf(bio_err," -passin arg input file pass phrase source\n");
af29811e	177	BIO_printf(bio_err," -out arg output file\n");
a3fe382e	178	BIO_printf(bio_err," -passout arg output file pass phrase source\n");
af29811e DSH	179	BIO_printf(bio_err," -des encrypt PEM output with cbc des\n");
af29811e DSH	180	BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
d02b48c6	181	#ifndef NO_IDEA
af29811e	182	BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n");
d02b48c6	183	#endif
af29811e DSH	184	BIO_printf(bio_err," -text print the key in text\n");
	185	BIO_printf(bio_err," -noout don't print key out\n");
	186	BIO_printf(bio_err," -modulus print the DSA public value\n");
d02b48c6 RE	187	goto end;
	188	}
	189
	190	ERR_load_crypto_strings();
	191
a3fe382e DSH	192	if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
	193	BIO_printf(bio_err, "Error getting passwords\n");
	194	goto end;
	195	}
	196
d02b48c6 RE	197	in=BIO_new(BIO_s_file());
	198	out=BIO_new(BIO_s_file());
	199	if ((in == NULL) \|\| (out == NULL))
	200	{
	201	ERR_print_errors(bio_err);
	202	goto end;
	203	}
	204
	205	if (infile == NULL)
	206	BIO_set_fp(in,stdin,BIO_NOCLOSE);
	207	else
	208	{
	209	if (BIO_read_filename(in,infile) <= 0)
	210	{
	211	perror(infile);
	212	goto end;
	213	}
	214	}
	215
3ea23631 DSH	216	BIO_printf(bio_err,"read DSA key\n");
3ea23631 DSH	217	if (informat == FORMAT_ASN1) {
52664f50	218	if(pubin) dsa=d2i_DSA_PUBKEY_bio(in,NULL);
3ea23631 DSH	219	else dsa=d2i_DSAPrivateKey_bio(in,NULL);
3ea23631 DSH	220	} else if (informat == FORMAT_PEM) {
52664f50	221	if(pubin) dsa=PEM_read_bio_DSA_PUBKEY(in,NULL, NULL, NULL);
a3fe382e	222	else dsa=PEM_read_bio_DSAPrivateKey(in,NULL,NULL,passin);
3ea23631	223	} else
d02b48c6 RE	224	{
	225	BIO_printf(bio_err,"bad input format specified for key\n");
	226	goto end;
	227	}
	228	if (dsa == NULL)
	229	{
3ea23631	230	BIO_printf(bio_err,"unable to load Key\n");
d02b48c6 RE	231	ERR_print_errors(bio_err);
	232	goto end;
	233	}
	234
	235	if (outfile == NULL)
645749ef	236	{
d02b48c6	237	BIO_set_fp(out,stdout,BIO_NOCLOSE);
645749ef RL	238	#ifdef VMS
	239	{
	240	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
	241	out = BIO_push(tmpbio, out);
	242	}
	243	#endif
	244	}
d02b48c6 RE	245	else
	246	{
	247	if (BIO_write_filename(out,outfile) <= 0)
	248	{
	249	perror(outfile);
	250	goto end;
	251	}
	252	}
	253
	254	if (text)
	255	if (!DSA_print(out,dsa,0))
	256	{
	257	perror(outfile);
	258	ERR_print_errors(bio_err);
	259	goto end;
	260	}
	261
	262	if (modulus)
	263	{
	264	fprintf(stdout,"Public Key=");
	265	BN_print(out,dsa->pub_key);
	266	fprintf(stdout,"\n");
	267	}
	268
	269	if (noout) goto end;
3ea23631 DSH	270	BIO_printf(bio_err,"writing DSA key\n");
3ea23631 DSH	271	if (outformat == FORMAT_ASN1) {
52664f50	272	if(pubin \|\| pubout) i=i2d_DSA_PUBKEY_bio(out,dsa);
3ea23631 DSH	273	else i=i2d_DSAPrivateKey_bio(out,dsa);
	274	} else if (outformat == FORMAT_PEM) {
	275	if(pubin \|\| pubout)
52664f50	276	i=PEM_write_bio_DSA_PUBKEY(out,dsa);
36217a94	277	else i=PEM_write_bio_DSAPrivateKey(out,dsa,enc,
a3fe382e	278	NULL,0,NULL, passout);
af29811e	279	} else {
d02b48c6 RE	280	BIO_printf(bio_err,"bad output format specified for outfile\n");
	281	goto end;
	282	}
	283	if (!i)
	284	{
	285	BIO_printf(bio_err,"unable to write private key\n");
	286	ERR_print_errors(bio_err);
	287	}
	288	else
	289	ret=0;
	290	end:
a3fe382e	291	if(in != NULL) BIO_free(in);
645749ef	292	if(out != NULL) BIO_free_all(out);
a3fe382e	293	if(dsa != NULL) DSA_free(dsa);
26a3a48d RL	294	if(passin) OPENSSL_free(passin);
26a3a48d RL	295	if(passout) OPENSSL_free(passout);
d02b48c6 RE	296	EXIT(ret);
d02b48c6 RE	297	}
f5d7a031	298	#endif