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

/* apps/dh.c */
/* obsoleted by dhparam.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 OPENSSL_NO_DH
#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/dh.h>
#include <openssl/x509.h>
#include <openssl/pem.h>

#undef PROG
#define PROG	dh_main

/* -inform arg	- input format - default PEM (DER or PEM)
 * -outform arg - output format - default PEM
 * -in arg	- input file - default stdin
 * -out arg	- output file - default stdout
 * -check	- check the parameters are ok
 * -noout
 * -text
 * -C
 */

int MAIN(int, char **);

int MAIN(int argc, char **argv)
	{
#ifndef OPENSSL_NO_ENGINE
	ENGINE *e = NULL;
#endif
	DH *dh=NULL;
	int i,badops=0,text=0;
	BIO *in=NULL,*out=NULL;
	int informat,outformat,check=0,noout=0,C=0,ret=1;
	char *infile,*outfile,*prog;
#ifndef OPENSSL_NO_ENGINE
	char *engine;
#endif

	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);
			}
#ifndef OPENSSL_NO_ENGINE
		else if (strcmp(*argv,"-engine") == 0)
			{
			if (--argc < 1) goto bad;
			engine= *(++argv);
			}
#endif
		else if (strcmp(*argv,"-check") == 0)
			check=1;
		else if (strcmp(*argv,"-text") == 0)
			text=1;
		else if (strcmp(*argv,"-C") == 0)
			C=1;
		else if (strcmp(*argv,"-noout") == 0)
			noout=1;
		else
			{
			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 - one of DER PEM\n");
		BIO_printf(bio_err," -outform arg  output format - one of DER PEM\n");
		BIO_printf(bio_err," -in arg       input file\n");
		BIO_printf(bio_err," -out arg      output file\n");
		BIO_printf(bio_err," -check        check the DH parameters\n");
		BIO_printf(bio_err," -text         print a text form of the DH parameters\n");
		BIO_printf(bio_err," -C            Output C code\n");
		BIO_printf(bio_err," -noout        no output\n");
#ifndef OPENSSL_NO_ENGINE
		BIO_printf(bio_err," -engine e     use engine e, possibly a hardware device.\n");
#endif
		goto end;
		}

	ERR_load_crypto_strings();

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

	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);
#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	(informat == FORMAT_ASN1)
		dh=d2i_DHparams_bio(in,NULL);
	else if (informat == FORMAT_PEM)
		dh=PEM_read_bio_DHparams(in,NULL,NULL,NULL);
	else
		{
		BIO_printf(bio_err,"bad input format specified\n");
		goto end;
		}
	if (dh == NULL)
		{
		BIO_printf(bio_err,"unable to load DH parameters\n");
		ERR_print_errors(bio_err);
		goto end;
		}

	
	if (text)
		{
		DHparams_print(out,dh);
#ifdef undef
		printf("p=");
		BN_print(stdout,dh->p);
		printf("\ng=");
		BN_print(stdout,dh->g);
		printf("\n");
		if (dh->length != 0)
			printf("recommended private length=%ld\n",dh->length);
#endif
		}
	
	if (check)
		{
		if (!DH_check(dh,&i))
			{
			ERR_print_errors(bio_err);
			goto end;
			}
		if (i & DH_CHECK_P_NOT_PRIME)
			printf("p value is not prime\n");
		if (i & DH_CHECK_P_NOT_SAFE_PRIME)
			printf("p value is not a safe prime\n");
		if (i & DH_UNABLE_TO_CHECK_GENERATOR)
			printf("unable to check the generator value\n");
		if (i & DH_NOT_SUITABLE_GENERATOR)
			printf("the g value is not a generator\n");
		if (i == 0)
			printf("DH parameters appear to be ok.\n");
		}
	if (C)
		{
		unsigned char *data;
		int len,l,bits;

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

		printf("DH *get_dh%d()\n\t{\n",bits);
		printf("\tDH *dh;\n\n");
		printf("\tif ((dh=DH_new()) == NULL) return(NULL);\n");
		printf("\tdh->p=BN_bin2bn(dh%d_p,sizeof(dh%d_p),NULL);\n",
			bits,bits);
		printf("\tdh->g=BN_bin2bn(dh%d_g,sizeof(dh%d_g),NULL);\n",
			bits,bits);
		printf("\tif ((dh->p == NULL) || (dh->g == NULL))\n");
		printf("\t\treturn(NULL);\n");
		printf("\treturn(dh);\n\t}\n");
		OPENSSL_free(data);
		}


	if (!noout)
		{
		if 	(outformat == FORMAT_ASN1)
			i=i2d_DHparams_bio(out,dh);
		else if (outformat == FORMAT_PEM)
			i=PEM_write_bio_DHparams(out,dh);
		else	{
			BIO_printf(bio_err,"bad output format specified for outfile\n");
			goto end;
			}
		if (!i)
			{
			BIO_printf(bio_err,"unable to write DH parameters\n");
			ERR_print_errors(bio_err);
			goto end;
			}
		}
	ret=0;
end:
	if (in != NULL) BIO_free(in);
	if (out != NULL) BIO_free_all(out);
	if (dh != NULL) DH_free(dh);
	apps_shutdown();
	OPENSSL_EXIT(ret);
	}
#endif
Commit	Line	Data
d02b48c6	1	/* apps/dh.c */
41918458	2	/* obsoleted by dhparam.c */
58964a49	3	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	4	* All rights reserved.
	5	*
	6	* This package is an SSL implementation written
	7	* by Eric Young (eay@cryptsoft.com).
	8	* The implementation was written so as to conform with Netscapes SSL.
	9	*
	10	* This library is free for commercial and non-commercial use as long as
	11	* the following conditions are aheared to. The following conditions
	12	* apply to all code found in this distribution, be it the RC4, RSA,
	13	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	14	* included with this distribution is covered by the same copyright terms
	15	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	16	*
	17	* Copyright remains Eric Young's, and as such any Copyright notices in
	18	* the code are not to be removed.
	19	* If this package is used in a product, Eric Young should be given attribution
	20	* as the author of the parts of the library used.
	21	* This can be in the form of a textual message at program startup or
	22	* in documentation (online or textual) provided with the package.
	23	*
	24	* Redistribution and use in source and binary forms, with or without
	25	* modification, are permitted provided that the following conditions
	26	* are met:
	27	* 1. Redistributions of source code must retain the copyright
	28	* notice, this list of conditions and the following disclaimer.
	29	* 2. Redistributions in binary form must reproduce the above copyright
	30	* notice, this list of conditions and the following disclaimer in the
	31	* documentation and/or other materials provided with the distribution.
	32	* 3. All advertising materials mentioning features or use of this software
	33	* must display the following acknowledgement:
	34	* "This product includes cryptographic software written by
	35	* Eric Young (eay@cryptsoft.com)"
	36	* The word 'cryptographic' can be left out if the rouines from the library
	37	* being used are not cryptographic related :-).
	38	* 4. If you include any Windows specific code (or a derivative thereof) from
	39	* the apps directory (application code) you must include an acknowledgement:
	40	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	41	*
	42	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	43	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	44	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	45	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	46	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	47	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	48	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	49	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	50	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	51	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	52	* SUCH DAMAGE.
	53	*
	54	* The licence and distribution terms for any publically available version or
	55	* derivative of this code cannot be changed. i.e. this code cannot simply be
	56	* copied and put under another distribution licence
	57	* [including the GNU Public Licence.]
	58	*/
	59
cf1b7d96	60	#ifndef OPENSSL_NO_DH
d02b48c6 RE	61	#include <stdio.h>
	62	#include <stdlib.h>
	63	#include <time.h>
	64	#include <string.h>
	65	#include "apps.h"
ec577822 BM	66	#include <openssl/bio.h>
	67	#include <openssl/err.h>
	68	#include <openssl/bn.h>
	69	#include <openssl/dh.h>
	70	#include <openssl/x509.h>
	71	#include <openssl/pem.h>
d02b48c6 RE	72
	73	#undef PROG
	74	#define PROG dh_main
	75
25f923dd	76	/* -inform arg - input format - default PEM (DER or PEM)
d02b48c6 RE	77	* -outform arg - output format - default PEM
	78	* -in arg - input file - default stdin
	79	* -out arg - output file - default stdout
	80	* -check - check the parameters are ok
	81	* -noout
	82	* -text
	83	* -C
	84	*/
	85
667ac4ec RE	86	int MAIN(int, char **);
667ac4ec RE	87
6b691a5c	88	int MAIN(int argc, char **argv)
d02b48c6	89	{
0b13e9f0	90	#ifndef OPENSSL_NO_ENGINE
5270e702	91	ENGINE *e = NULL;
0b13e9f0	92	#endif
d02b48c6 RE	93	DH *dh=NULL;
	94	int i,badops=0,text=0;
	95	BIO in=NULL,out=NULL;
	96	int informat,outformat,check=0,noout=0,C=0,ret=1;
0b13e9f0 RL	97	char infile,outfile,*prog;
	98	#ifndef OPENSSL_NO_ENGINE
	99	char *engine;
	100	#endif
d02b48c6 RE	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	107
3647bee2 DSH	108	if (!load_config(bio_err, NULL))
	109	goto end;
	110
0b13e9f0	111	#ifndef OPENSSL_NO_ENGINE
5270e702	112	engine=NULL;
0b13e9f0	113	#endif
d02b48c6 RE	114	infile=NULL;
	115	outfile=NULL;
	116	informat=FORMAT_PEM;
	117	outformat=FORMAT_PEM;
	118
	119	prog=argv[0];
	120	argc--;
	121	argv++;
	122	while (argc >= 1)
	123	{
	124	if (strcmp(*argv,"-inform") == 0)
	125	{
	126	if (--argc < 1) goto bad;
	127	informat=str2fmt(*(++argv));
	128	}
	129	else if (strcmp(*argv,"-outform") == 0)
	130	{
	131	if (--argc < 1) goto bad;
	132	outformat=str2fmt(*(++argv));
	133	}
	134	else if (strcmp(*argv,"-in") == 0)
	135	{
	136	if (--argc < 1) goto bad;
	137	infile= *(++argv);
	138	}
	139	else if (strcmp(*argv,"-out") == 0)
	140	{
	141	if (--argc < 1) goto bad;
	142	outfile= *(++argv);
	143	}
0b13e9f0	144	#ifndef OPENSSL_NO_ENGINE
5270e702 RL	145	else if (strcmp(*argv,"-engine") == 0)
	146	{
	147	if (--argc < 1) goto bad;
	148	engine= *(++argv);
	149	}
0b13e9f0	150	#endif
d02b48c6 RE	151	else if (strcmp(*argv,"-check") == 0)
	152	check=1;
	153	else if (strcmp(*argv,"-text") == 0)
	154	text=1;
	155	else if (strcmp(*argv,"-C") == 0)
	156	C=1;
	157	else if (strcmp(*argv,"-noout") == 0)
	158	noout=1;
	159	else
	160	{
	161	BIO_printf(bio_err,"unknown option %s\n",*argv);
	162	badops=1;
	163	break;
	164	}
	165	argc--;
	166	argv++;
	167	}
	168
	169	if (badops)
	170	{
	171	bad:
	172	BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
	173	BIO_printf(bio_err,"where options are\n");
ef7eaa4c DSH	174	BIO_printf(bio_err," -inform arg input format - one of DER PEM\n");
ef7eaa4c DSH	175	BIO_printf(bio_err," -outform arg output format - one of DER PEM\n");
9fe84296	176	BIO_printf(bio_err," -in arg input file\n");
d02b48c6 RE	177	BIO_printf(bio_err," -out arg output file\n");
d02b48c6 RE	178	BIO_printf(bio_err," -check check the DH parameters\n");
d1f4c83c	179	BIO_printf(bio_err," -text print a text form of the DH parameters\n");
d02b48c6 RE	180	BIO_printf(bio_err," -C Output C code\n");
d02b48c6 RE	181	BIO_printf(bio_err," -noout no output\n");
0b13e9f0	182	#ifndef OPENSSL_NO_ENGINE
5270e702	183	BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
0b13e9f0	184	#endif
d02b48c6 RE	185	goto end;
	186	}
	187
	188	ERR_load_crypto_strings();
	189
0b13e9f0	190	#ifndef OPENSSL_NO_ENGINE
531d630b	191	e = setup_engine(bio_err, engine, 0);
0b13e9f0	192	#endif
5270e702	193
d02b48c6 RE	194	in=BIO_new(BIO_s_file());
	195	out=BIO_new(BIO_s_file());
	196	if ((in == NULL) \|\| (out == NULL))
	197	{
	198	ERR_print_errors(bio_err);
	199	goto end;
	200	}
	201
	202	if (infile == NULL)
	203	BIO_set_fp(in,stdin,BIO_NOCLOSE);
	204	else
	205	{
	206	if (BIO_read_filename(in,infile) <= 0)
	207	{
	208	perror(infile);
	209	goto end;
	210	}
	211	}
	212	if (outfile == NULL)
645749ef	213	{
d02b48c6	214	BIO_set_fp(out,stdout,BIO_NOCLOSE);
bc36ee62	215	#ifdef OPENSSL_SYS_VMS
645749ef RL	216	{
	217	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
	218	out = BIO_push(tmpbio, out);
	219	}
	220	#endif
	221	}
d02b48c6 RE	222	else
	223	{
	224	if (BIO_write_filename(out,outfile) <= 0)
	225	{
	226	perror(outfile);
	227	goto end;
	228	}
	229	}
	230
	231	if (informat == FORMAT_ASN1)
	232	dh=d2i_DHparams_bio(in,NULL);
	233	else if (informat == FORMAT_PEM)
74678cc2	234	dh=PEM_read_bio_DHparams(in,NULL,NULL,NULL);
d02b48c6 RE	235	else
	236	{
	237	BIO_printf(bio_err,"bad input format specified\n");
	238	goto end;
	239	}
	240	if (dh == NULL)
	241	{
	242	BIO_printf(bio_err,"unable to load DH parameters\n");
	243	ERR_print_errors(bio_err);
	244	goto end;
	245	}
	246
	247
	248
	249	if (text)
	250	{
	251	DHparams_print(out,dh);
	252	#ifdef undef
	253	printf("p=");
	254	BN_print(stdout,dh->p);
	255	printf("\ng=");
	256	BN_print(stdout,dh->g);
	257	printf("\n");
	258	if (dh->length != 0)
657e60fa	259	printf("recommended private length=%ld\n",dh->length);
d02b48c6 RE	260	#endif
	261	}
	262
	263	if (check)
	264	{
	265	if (!DH_check(dh,&i))
	266	{
	267	ERR_print_errors(bio_err);
	268	goto end;
	269	}
	270	if (i & DH_CHECK_P_NOT_PRIME)
	271	printf("p value is not prime\n");
41918458 BM	272	if (i & DH_CHECK_P_NOT_SAFE_PRIME)
41918458 BM	273	printf("p value is not a safe prime\n");
d02b48c6 RE	274	if (i & DH_UNABLE_TO_CHECK_GENERATOR)
	275	printf("unable to check the generator value\n");
	276	if (i & DH_NOT_SUITABLE_GENERATOR)
	277	printf("the g value is not a generator\n");
	278	if (i == 0)
	279	printf("DH parameters appear to be ok.\n");
	280	}
	281	if (C)
	282	{
	283	unsigned char *data;
	284	int len,l,bits;
	285
	286	len=BN_num_bytes(dh->p);
	287	bits=BN_num_bits(dh->p);
26a3a48d	288	data=(unsigned char *)OPENSSL_malloc(len);
d02b48c6 RE	289	if (data == NULL)
d02b48c6 RE	290	{
26a3a48d	291	perror("OPENSSL_malloc");
d02b48c6 RE	292	goto end;
	293	}
	294	l=BN_bn2bin(dh->p,data);
	295	printf("static unsigned char dh%d_p[]={",bits);
	296	for (i=0; i<l; i++)
	297	{
	298	if ((i%12) == 0) printf("\n\t");
	299	printf("0x%02X,",data[i]);
	300	}
	301	printf("\n\t};\n");
	302
	303	l=BN_bn2bin(dh->g,data);
	304	printf("static unsigned char dh%d_g[]={",bits);
	305	for (i=0; i<l; i++)
	306	{
	307	if ((i%12) == 0) printf("\n\t");
	308	printf("0x%02X,",data[i]);
	309	}
	310	printf("\n\t};\n\n");
	311
	312	printf("DH *get_dh%d()\n\t{\n",bits);
	313	printf("\tDH *dh;\n\n");
	314	printf("\tif ((dh=DH_new()) == NULL) return(NULL);\n");
	315	printf("\tdh->p=BN_bin2bn(dh%d_p,sizeof(dh%d_p),NULL);\n",
	316	bits,bits);
	317	printf("\tdh->g=BN_bin2bn(dh%d_g,sizeof(dh%d_g),NULL);\n",
	318	bits,bits);
	319	printf("\tif ((dh->p == NULL) \|\| (dh->g == NULL))\n");
	320	printf("\t\treturn(NULL);\n");
	321	printf("\treturn(dh);\n\t}\n");
26a3a48d	322	OPENSSL_free(data);
d02b48c6 RE	323	}
	324
	325
	326	if (!noout)
	327	{
	328	if (outformat == FORMAT_ASN1)
	329	i=i2d_DHparams_bio(out,dh);
	330	else if (outformat == FORMAT_PEM)
	331	i=PEM_write_bio_DHparams(out,dh);
	332	else {
	333	BIO_printf(bio_err,"bad output format specified for outfile\n");
	334	goto end;
	335	}
	336	if (!i)
	337	{
657e60fa	338	BIO_printf(bio_err,"unable to write DH parameters\n");
d02b48c6 RE	339	ERR_print_errors(bio_err);
	340	goto end;
	341	}
	342	}
	343	ret=0;
	344	end:
	345	if (in != NULL) BIO_free(in);
645749ef	346	if (out != NULL) BIO_free_all(out);
d02b48c6	347	if (dh != NULL) DH_free(dh);
c04f8cf4	348	apps_shutdown();
1c3e4a36	349	OPENSSL_EXIT(ret);
d02b48c6	350	}
f5d7a031	351	#endif