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

/* apps/ec.c */
/*
 * Written by Nils Larsch for the OpenSSL project.
 */
/* ====================================================================
 * Copyright (c) 1998-2005 The OpenSSL Project.  All rights reserved.
 *
 * 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 above 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 acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    openssl-core@openssl.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED 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 OpenSSL PROJECT OR
 * ITS 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.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#ifndef OPENSSL_NO_EC
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "apps.h"
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/pem.h>

#undef PROG
#define PROG	ec_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
 * -text          - print a text version
 * -param_out     - print the elliptic curve parameters
 * -conv_form arg - specifies the point encoding form
 * -param_enc arg - specifies the parameter encoding
 */

int MAIN(int, char **);

int MAIN(int argc, char **argv)
{
#ifndef OPENSSL_NO_ENGINE
	ENGINE 	*e = NULL;
#endif
	int 	ret = 1;
	EC_KEY 	*eckey = NULL;
	const EC_GROUP *group;
	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, param_out = 0;
	char 	*infile, *outfile, *prog, *engine;
	char 	*passargin = NULL, *passargout = NULL;
	char 	*passin = NULL, *passout = NULL;
	point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
	int	new_form = 0;
	int	asn1_flag = OPENSSL_EC_NAMED_CURVE;
	int 	new_asn1_flag = 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;

	engine = NULL;
	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, "-engine") == 0)
			{
			if (--argc < 1) goto bad;
			engine= *(++argv);
			}
		else if (strcmp(*argv, "-noout") == 0)
			noout = 1;
		else if (strcmp(*argv, "-text") == 0)
			text = 1;
		else if (strcmp(*argv, "-conv_form") == 0)
			{
			if (--argc < 1)
				goto bad;
			++argv;
			new_form = 1;
			if (strcmp(*argv, "compressed") == 0)
				form = POINT_CONVERSION_COMPRESSED;
			else if (strcmp(*argv, "uncompressed") == 0)
				form = POINT_CONVERSION_UNCOMPRESSED;
			else if (strcmp(*argv, "hybrid") == 0)
				form = POINT_CONVERSION_HYBRID;
			else
				goto bad;
			}
		else if (strcmp(*argv, "-param_enc") == 0)
			{
			if (--argc < 1)
				goto bad;
			++argv;
			new_asn1_flag = 1;
			if (strcmp(*argv, "named_curve") == 0)
				asn1_flag = OPENSSL_EC_NAMED_CURVE;
			else if (strcmp(*argv, "explicit") == 0)
				asn1_flag = 0;
			else
				goto bad;
			}
		else if (strcmp(*argv, "-param_out") == 0)
			param_out = 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, " -engine e       use engine e, "
				"possibly a hardware device.\n");
		BIO_printf(bio_err, " -des            encrypt PEM output, "
				"instead of 'des' every other \n"
				"                 cipher "
				"supported by OpenSSL can be used\n");
		BIO_printf(bio_err, " -text           print the key\n");
		BIO_printf(bio_err, " -noout          don't print key out\n");
		BIO_printf(bio_err, " -param_out      print the elliptic "
				"curve parameters\n");
		BIO_printf(bio_err, " -conv_form arg  specifies the "
				"point conversion form \n");
		BIO_printf(bio_err, "                 possible values:"
				" compressed\n");
		BIO_printf(bio_err, "                                 "
				" uncompressed (default)\n");
		BIO_printf(bio_err, "                                  "
				" hybrid\n");
		BIO_printf(bio_err, " -param_enc arg  specifies the way"
				" the ec parameters are encoded\n");
		BIO_printf(bio_err, "                 in the asn1 der "
				"encoding\n");
		BIO_printf(bio_err, "                 possilbe values:"
				" named_curve (default)\n");
		BIO_printf(bio_err,"                                  "
				"explicit\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 EC key\n");
	if (informat == FORMAT_ASN1) 
		{
		if (pubin) 
			eckey = d2i_EC_PUBKEY_bio(in, NULL);
		else 
			eckey = d2i_ECPrivateKey_bio(in, NULL);
		} 
	else if (informat == FORMAT_PEM) 
		{
		if (pubin) 
			eckey = PEM_read_bio_EC_PUBKEY(in, NULL, NULL, 
				NULL);
		else 
			eckey = PEM_read_bio_ECPrivateKey(in, NULL, NULL,
				passin);
		} 
	else
		{
		BIO_printf(bio_err, "bad input format specified for key\n");
		goto end;
		}
	if (eckey == 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;
			}
		}

	group = EC_KEY_get0_group(eckey);

	if (new_form)
		EC_KEY_set_conv_form(eckey, form);

	if (new_asn1_flag)
		EC_KEY_set_asn1_flag(eckey, asn1_flag);

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

	if (noout) 
		goto end;

	BIO_printf(bio_err, "writing EC key\n");
	if (outformat == FORMAT_ASN1) 
		{
		if (param_out)
			i = i2d_ECPKParameters_bio(out, group);
		else if (pubin || pubout) 
			i = i2d_EC_PUBKEY_bio(out, eckey);
		else 
			i = i2d_ECPrivateKey_bio(out, eckey);
		} 
	else if (outformat == FORMAT_PEM) 
		{
		if (param_out)
			i = PEM_write_bio_ECPKParameters(out, group);
		else if (pubin || pubout)
			i = PEM_write_bio_EC_PUBKEY(out, eckey);
		else 
			i = PEM_write_bio_ECPrivateKey(out, eckey, 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)
		BIO_free(in);
	if (out)
		BIO_free_all(out);
	if (eckey)
		EC_KEY_free(eckey);
	if (passin)
		OPENSSL_free(passin);
	if (passout)
		OPENSSL_free(passout);
	apps_shutdown();
	OPENSSL_EXIT(ret);
}
#endif
Commit	Line	Data
d4a8f90c BM	1	/* apps/ec.c */
	2	/*
	3	* Written by Nils Larsch for the OpenSSL project.
	4	*/
4d94ae00	5	/* ====================================================================
9dd84053	6	* Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved.
4d94ae00 BM	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	*
	12	* 1. Redistributions of source code must retain the above copyright
	13	* notice, this list of conditions and the following disclaimer.
	14	*
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in
	17	* the documentation and/or other materials provided with the
	18	* distribution.
	19	*
	20	* 3. All advertising materials mentioning features or use of this
	21	* software must display the following acknowledgment:
	22	* "This product includes software developed by the OpenSSL Project
	23	* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
	24	*
	25	* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
	26	* endorse or promote products derived from this software without
	27	* prior written permission. For written permission, please contact
	28	* openssl-core@openssl.org.
	29	*
	30	* 5. Products derived from this software may not be called "OpenSSL"
	31	* nor may "OpenSSL" appear in their names without prior written
	32	* permission of the OpenSSL Project.
	33	*
	34	* 6. Redistributions of any form whatsoever must retain the following
	35	* acknowledgment:
	36	* "This product includes software developed by the OpenSSL Project
	37	* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
	38	*
	39	* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
	40	* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	41	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	42	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
	43	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	44	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	45	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	46	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	47	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	48	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	49	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
	50	* OF THE POSSIBILITY OF SUCH DAMAGE.
	51	* ====================================================================
	52	*
	53	* This product includes cryptographic software written by Eric Young
	54	* (eay@cryptsoft.com). This product includes software written by Tim
	55	* Hudson (tjh@cryptsoft.com).
	56	*
	57	*/
4d94ae00	58
d4a8f90c	59	#ifndef OPENSSL_NO_EC
4d94ae00 BM	60	#include <stdio.h>
	61	#include <stdlib.h>
	62	#include <string.h>
4d94ae00 BM	63	#include "apps.h"
	64	#include <openssl/bio.h>
	65	#include <openssl/err.h>
4d94ae00	66	#include <openssl/evp.h>
4d94ae00 BM	67	#include <openssl/pem.h>
	68
	69	#undef PROG
d4a8f90c	70	#define PROG ec_main
4d94ae00	71
eefa6e4e BM	72	/* -inform arg - input format - default PEM (one of DER, NET or PEM)
	73	* -outform arg - output format - default PEM
	74	* -in arg - input file - default stdin
	75	* -out arg - output file - default stdout
	76	* -des - encrypt output if PEM format with DES in cbc mode
	77	* -text - print a text version
	78	* -param_out - print the elliptic curve parameters
	79	* -conv_form arg - specifies the point encoding form
	80	* -param_enc arg - specifies the parameter encoding
4d94ae00 BM	81	*/
	82
	83	int MAIN(int, char **);
	84
	85	int MAIN(int argc, char **argv)
	86	{
58ae65cd	87	#ifndef OPENSSL_NO_ENGINE
4d94ae00	88	ENGINE *e = NULL;
58ae65cd	89	#endif
4d94ae00	90	int ret = 1;
14a7cfb3	91	EC_KEY *eckey = NULL;
9dd84053	92	const EC_GROUP *group;
4d94ae00 BM	93	int i, badops = 0;
	94	const EVP_CIPHER *enc = NULL;
	95	BIO in = NULL, out = NULL;
	96	int informat, outformat, text=0, noout=0;
eefa6e4e	97	int pubin = 0, pubout = 0, param_out = 0;
4d94ae00 BM	98	char infile, outfile, prog, engine;
	99	char passargin = NULL, passargout = NULL;
	100	char passin = NULL, passout = NULL;
eefa6e4e BM	101	point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
	102	int new_form = 0;
	103	int asn1_flag = OPENSSL_EC_NAMED_CURVE;
	104	int new_asn1_flag = 0;
4d94ae00 BM	105
	106	apps_startup();
	107
	108	if (bio_err == NULL)
	109	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
	110	BIO_set_fp(bio_err, stderr, BIO_NOCLOSE\|BIO_FP_TEXT);
	111
3647bee2 DSH	112	if (!load_config(bio_err, NULL))
	113	goto end;
	114
4d94ae00 BM	115	engine = NULL;
	116	infile = NULL;
	117	outfile = NULL;
	118	informat = FORMAT_PEM;
	119	outformat = FORMAT_PEM;
	120
	121	prog = argv[0];
	122	argc--;
	123	argv++;
	124	while (argc >= 1)
4d94ae00	125	{
eefa6e4e BM	126	if (strcmp(*argv,"-inform") == 0)
eefa6e4e BM	127	{
4d94ae00 BM	128	if (--argc < 1) goto bad;
4d94ae00 BM	129	informat=str2fmt(*(++argv));
eefa6e4e	130	}
4d94ae00	131	else if (strcmp(*argv,"-outform") == 0)
eefa6e4e	132	{
4d94ae00 BM	133	if (--argc < 1) goto bad;
4d94ae00 BM	134	outformat=str2fmt(*(++argv));
eefa6e4e	135	}
4d94ae00	136	else if (strcmp(*argv,"-in") == 0)
eefa6e4e	137	{
4d94ae00 BM	138	if (--argc < 1) goto bad;
4d94ae00 BM	139	infile= *(++argv);
eefa6e4e	140	}
4d94ae00	141	else if (strcmp(*argv,"-out") == 0)
eefa6e4e	142	{
4d94ae00 BM	143	if (--argc < 1) goto bad;
4d94ae00 BM	144	outfile= *(++argv);
eefa6e4e	145	}
4d94ae00	146	else if (strcmp(*argv,"-passin") == 0)
eefa6e4e	147	{
4d94ae00 BM	148	if (--argc < 1) goto bad;
4d94ae00 BM	149	passargin= *(++argv);
eefa6e4e	150	}
4d94ae00	151	else if (strcmp(*argv,"-passout") == 0)
eefa6e4e	152	{
4d94ae00 BM	153	if (--argc < 1) goto bad;
4d94ae00 BM	154	passargout= *(++argv);
eefa6e4e	155	}
4d94ae00	156	else if (strcmp(*argv, "-engine") == 0)
eefa6e4e	157	{
4d94ae00 BM	158	if (--argc < 1) goto bad;
4d94ae00 BM	159	engine= *(++argv);
eefa6e4e	160	}
4d94ae00 BM	161	else if (strcmp(*argv, "-noout") == 0)
	162	noout = 1;
	163	else if (strcmp(*argv, "-text") == 0)
	164	text = 1;
eefa6e4e	165	else if (strcmp(*argv, "-conv_form") == 0)
4d94ae00	166	{
eefa6e4e BM	167	if (--argc < 1)
	168	goto bad;
	169	++argv;
	170	new_form = 1;
	171	if (strcmp(*argv, "compressed") == 0)
	172	form = POINT_CONVERSION_COMPRESSED;
	173	else if (strcmp(*argv, "uncompressed") == 0)
	174	form = POINT_CONVERSION_UNCOMPRESSED;
	175	else if (strcmp(*argv, "hybrid") == 0)
	176	form = POINT_CONVERSION_HYBRID;
	177	else
	178	goto bad;
4d94ae00	179	}
eefa6e4e BM	180	else if (strcmp(*argv, "-param_enc") == 0)
	181	{
	182	if (--argc < 1)
	183	goto bad;
	184	++argv;
	185	new_asn1_flag = 1;
	186	if (strcmp(*argv, "named_curve") == 0)
	187	asn1_flag = OPENSSL_EC_NAMED_CURVE;
	188	else if (strcmp(*argv, "explicit") == 0)
	189	asn1_flag = 0;
	190	else
	191	goto bad;
	192	}
	193	else if (strcmp(*argv, "-param_out") == 0)
	194	param_out = 1;
4d94ae00 BM	195	else if (strcmp(*argv, "-pubin") == 0)
	196	pubin=1;
	197	else if (strcmp(*argv, "-pubout") == 0)
	198	pubout=1;
	199	else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
eefa6e4e BM	200	{
eefa6e4e BM	201	BIO_printf(bio_err, "unknown option %s\n", *argv);
4d94ae00 BM	202	badops=1;
4d94ae00 BM	203	break;
eefa6e4e	204	}
4d94ae00 BM	205	argc--;
4d94ae00 BM	206	argv++;
eefa6e4e	207	}
4d94ae00 BM	208
4d94ae00 BM	209	if (badops)
eefa6e4e	210	{
4d94ae00	211	bad:
eefa6e4e	212	BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
4d94ae00	213	BIO_printf(bio_err, "where options are\n");
eefa6e4e BM	214	BIO_printf(bio_err, " -inform arg input format - "
	215	"DER or PEM\n");
	216	BIO_printf(bio_err, " -outform arg output format - "
	217	"DER or PEM\n");
4d94ae00	218	BIO_printf(bio_err, " -in arg input file\n");
eefa6e4e BM	219	BIO_printf(bio_err, " -passin arg input file pass "
eefa6e4e BM	220	"phrase source\n");
4d94ae00	221	BIO_printf(bio_err, " -out arg output file\n");
eefa6e4e BM	222	BIO_printf(bio_err, " -passout arg output file pass "
	223	"phrase source\n");
	224	BIO_printf(bio_err, " -engine e use engine e, "
	225	"possibly a hardware device.\n");
	226	BIO_printf(bio_err, " -des encrypt PEM output, "
	227	"instead of 'des' every other \n"
	228	" cipher "
	229	"supported by OpenSSL can be used\n");
	230	BIO_printf(bio_err, " -text print the key\n");
4d94ae00	231	BIO_printf(bio_err, " -noout don't print key out\n");
eefa6e4e BM	232	BIO_printf(bio_err, " -param_out print the elliptic "
	233	"curve parameters\n");
	234	BIO_printf(bio_err, " -conv_form arg specifies the "
	235	"point conversion form \n");
c96f0fd2	236	BIO_printf(bio_err, " possible values:"
eefa6e4e	237	" compressed\n");
c96f0fd2	238	BIO_printf(bio_err, " "
eefa6e4e BM	239	" uncompressed (default)\n");
	240	BIO_printf(bio_err, " "
	241	" hybrid\n");
	242	BIO_printf(bio_err, " -param_enc arg specifies the way"
	243	" the ec parameters are encoded\n");
	244	BIO_printf(bio_err, " in the asn1 der "
	245	"encoding\n");
c96f0fd2	246	BIO_printf(bio_err, " possilbe values:"
eefa6e4e	247	" named_curve (default)\n");
c96f0fd2	248	BIO_printf(bio_err," "
eefa6e4e	249	"explicit\n");
4d94ae00	250	goto end;
eefa6e4e	251	}
4d94ae00 BM	252
	253	ERR_load_crypto_strings();
	254
58ae65cd	255	#ifndef OPENSSL_NO_ENGINE
4d94ae00	256	e = setup_engine(bio_err, engine, 0);
58ae65cd	257	#endif
4d94ae00 BM	258
4d94ae00 BM	259	if(!app_passwd(bio_err, passargin, passargout, &passin, &passout))
eefa6e4e	260	{
4d94ae00 BM	261	BIO_printf(bio_err, "Error getting passwords\n");
4d94ae00 BM	262	goto end;
eefa6e4e	263	}
4d94ae00 BM	264
	265	in = BIO_new(BIO_s_file());
	266	out = BIO_new(BIO_s_file());
	267	if ((in == NULL) \|\| (out == NULL))
eefa6e4e	268	{
4d94ae00 BM	269	ERR_print_errors(bio_err);
4d94ae00 BM	270	goto end;
eefa6e4e	271	}
4d94ae00 BM	272
4d94ae00 BM	273	if (infile == NULL)
eefa6e4e	274	BIO_set_fp(in, stdin, BIO_NOCLOSE);
4d94ae00	275	else
4d94ae00	276	{
eefa6e4e BM	277	if (BIO_read_filename(in, infile) <= 0)
eefa6e4e BM	278	{
4d94ae00 BM	279	perror(infile);
4d94ae00 BM	280	goto end;
eefa6e4e	281	}
4d94ae00	282	}
4d94ae00	283
d4a8f90c	284	BIO_printf(bio_err, "read EC key\n");
4d94ae00	285	if (informat == FORMAT_ASN1)
eefa6e4e	286	{
4d94ae00	287	if (pubin)
14a7cfb3	288	eckey = d2i_EC_PUBKEY_bio(in, NULL);
4d94ae00	289	else
14a7cfb3	290	eckey = d2i_ECPrivateKey_bio(in, NULL);
eefa6e4e BM	291	}
	292	else if (informat == FORMAT_PEM)
	293	{
4d94ae00	294	if (pubin)
14a7cfb3	295	eckey = PEM_read_bio_EC_PUBKEY(in, NULL, NULL,
eefa6e4e	296	NULL);
4d94ae00	297	else
14a7cfb3	298	eckey = PEM_read_bio_ECPrivateKey(in, NULL, NULL,
eefa6e4e BM	299	passin);
	300	}
	301	else
	302	{
4d94ae00 BM	303	BIO_printf(bio_err, "bad input format specified for key\n");
4d94ae00 BM	304	goto end;
eefa6e4e	305	}
14a7cfb3	306	if (eckey == NULL)
eefa6e4e	307	{
4d94ae00 BM	308	BIO_printf(bio_err,"unable to load Key\n");
	309	ERR_print_errors(bio_err);
	310	goto end;
eefa6e4e	311	}
4d94ae00 BM	312
4d94ae00 BM	313	if (outfile == NULL)
eefa6e4e	314	{
4d94ae00 BM	315	BIO_set_fp(out, stdout, BIO_NOCLOSE);
4d94ae00 BM	316	#ifdef OPENSSL_SYS_VMS
eefa6e4e	317	{
4d94ae00 BM	318	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
4d94ae00 BM	319	out = BIO_push(tmpbio, out);
eefa6e4e	320	}
4d94ae00	321	#endif
eefa6e4e	322	}
4d94ae00	323	else
4d94ae00	324	{
eefa6e4e BM	325	if (BIO_write_filename(out, outfile) <= 0)
eefa6e4e BM	326	{
4d94ae00 BM	327	perror(outfile);
4d94ae00 BM	328	goto end;
eefa6e4e	329	}
4d94ae00	330	}
4d94ae00	331
9dd84053 NL	332	group = EC_KEY_get0_group(eckey);
9dd84053 NL	333
eefa6e4e	334	if (new_form)
9dd84053	335	EC_KEY_set_conv_form(eckey, form);
4d94ae00	336
eefa6e4e	337	if (new_asn1_flag)
9dd84053	338	EC_KEY_set_asn1_flag(eckey, asn1_flag);
eefa6e4e BM	339
eefa6e4e BM	340	if (text)
14a7cfb3	341	if (!EC_KEY_print(out, eckey, 0))
eefa6e4e BM	342	{
eefa6e4e BM	343	perror(outfile);
4d94ae00	344	ERR_print_errors(bio_err);
4d94ae00	345	goto end;
eefa6e4e	346	}
4d94ae00 BM	347
	348	if (noout)
	349	goto end;
eefa6e4e	350
14a7cfb3	351	BIO_printf(bio_err, "writing EC key\n");
4d94ae00	352	if (outformat == FORMAT_ASN1)
eefa6e4e BM	353	{
eefa6e4e BM	354	if (param_out)
9dd84053	355	i = i2d_ECPKParameters_bio(out, group);
eefa6e4e	356	else if (pubin \|\| pubout)
14a7cfb3	357	i = i2d_EC_PUBKEY_bio(out, eckey);
4d94ae00	358	else
14a7cfb3	359	i = i2d_ECPrivateKey_bio(out, eckey);
eefa6e4e BM	360	}
	361	else if (outformat == FORMAT_PEM)
	362	{
	363	if (param_out)
9dd84053	364	i = PEM_write_bio_ECPKParameters(out, group);
eefa6e4e	365	else if (pubin \|\| pubout)
14a7cfb3	366	i = PEM_write_bio_EC_PUBKEY(out, eckey);
4d94ae00	367	else
14a7cfb3	368	i = PEM_write_bio_ECPrivateKey(out, eckey, enc,
eefa6e4e BM	369	NULL, 0, NULL, passout);
	370	}
	371	else
	372	{
	373	BIO_printf(bio_err, "bad output format specified for "
	374	"outfile\n");
4d94ae00	375	goto end;
eefa6e4e BM	376	}
eefa6e4e BM	377
4d94ae00	378	if (!i)
eefa6e4e	379	{
4d94ae00 BM	380	BIO_printf(bio_err, "unable to write private key\n");
4d94ae00 BM	381	ERR_print_errors(bio_err);
eefa6e4e	382	}
4d94ae00 BM	383	else
	384	ret=0;
	385	end:
eefa6e4e BM	386	if (in)
	387	BIO_free(in);
	388	if (out)
	389	BIO_free_all(out);
14a7cfb3 BM	390	if (eckey)
14a7cfb3 BM	391	EC_KEY_free(eckey);
eefa6e4e BM	392	if (passin)
	393	OPENSSL_free(passin);
	394	if (passout)
	395	OPENSSL_free(passout);
4d94ae00	396	apps_shutdown();
1c3e4a36	397	OPENSSL_EXIT(ret);
4d94ae00 BM	398	}
4d94ae00 BM	399	#endif