[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).
 *
 */

#include <openssl/opensslconf.h>
#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)
{
	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, "                 possible values:"
				" named_curve (default)\n");
		BIO_printf(bio_err,"                                  "
				"explicit\n");
		goto end;
		}

	ERR_load_crypto_strings();

#ifndef OPENSSL_NO_ENGINE
        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) 
		{
		ret = 0;
		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);
}
#else /* !OPENSSL_NO_EC */

# if PEDANTIC
static void *dummy=&dummy;
# endif

#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
6e04afb8	59	#include <openssl/opensslconf.h>
d4a8f90c	60	#ifndef OPENSSL_NO_EC
4d94ae00 BM	61	#include <stdio.h>
	62	#include <stdlib.h>
	63	#include <string.h>
4d94ae00 BM	64	#include "apps.h"
	65	#include <openssl/bio.h>
	66	#include <openssl/err.h>
4d94ae00	67	#include <openssl/evp.h>
4d94ae00 BM	68	#include <openssl/pem.h>
	69
	70	#undef PROG
d4a8f90c	71	#define PROG ec_main
4d94ae00	72
6977c7e2 TH	73	/*-
6977c7e2 TH	74	* -inform arg - input format - default PEM (one of DER, NET or PEM)
eefa6e4e BM	75	* -outform arg - output format - default PEM
	76	* -in arg - input file - default stdin
	77	* -out arg - output file - default stdout
	78	* -des - encrypt output if PEM format with DES in cbc mode
	79	* -text - print a text version
	80	* -param_out - print the elliptic curve parameters
	81	* -conv_form arg - specifies the point encoding form
	82	* -param_enc arg - specifies the parameter encoding
4d94ae00 BM	83	*/
	84
	85	int MAIN(int, char **);
	86
	87	int MAIN(int argc, char **argv)
	88	{
4d94ae00	89	int ret = 1;
14a7cfb3	90	EC_KEY *eckey = NULL;
9dd84053	91	const EC_GROUP *group;
4d94ae00 BM	92	int i, badops = 0;
	93	const EVP_CIPHER *enc = NULL;
	94	BIO in = NULL, out = NULL;
	95	int informat, outformat, text=0, noout=0;
eefa6e4e	96	int pubin = 0, pubout = 0, param_out = 0;
4d94ae00 BM	97	char infile, outfile, prog, engine;
	98	char passargin = NULL, passargout = NULL;
	99	char passin = NULL, passout = NULL;
eefa6e4e BM	100	point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
	101	int new_form = 0;
	102	int asn1_flag = OPENSSL_EC_NAMED_CURVE;
	103	int new_asn1_flag = 0;
4d94ae00 BM	104
	105	apps_startup();
	106
	107	if (bio_err == NULL)
	108	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
	109	BIO_set_fp(bio_err, stderr, BIO_NOCLOSE\|BIO_FP_TEXT);
	110
3647bee2 DSH	111	if (!load_config(bio_err, NULL))
	112	goto end;
	113
4d94ae00 BM	114	engine = NULL;
	115	infile = NULL;
	116	outfile = NULL;
	117	informat = FORMAT_PEM;
	118	outformat = FORMAT_PEM;
	119
	120	prog = argv[0];
	121	argc--;
	122	argv++;
	123	while (argc >= 1)
4d94ae00	124	{
eefa6e4e BM	125	if (strcmp(*argv,"-inform") == 0)
eefa6e4e BM	126	{
4d94ae00 BM	127	if (--argc < 1) goto bad;
4d94ae00 BM	128	informat=str2fmt(*(++argv));
eefa6e4e	129	}
4d94ae00	130	else if (strcmp(*argv,"-outform") == 0)
eefa6e4e	131	{
4d94ae00 BM	132	if (--argc < 1) goto bad;
4d94ae00 BM	133	outformat=str2fmt(*(++argv));
eefa6e4e	134	}
4d94ae00	135	else if (strcmp(*argv,"-in") == 0)
eefa6e4e	136	{
4d94ae00 BM	137	if (--argc < 1) goto bad;
4d94ae00 BM	138	infile= *(++argv);
eefa6e4e	139	}
4d94ae00	140	else if (strcmp(*argv,"-out") == 0)
eefa6e4e	141	{
4d94ae00 BM	142	if (--argc < 1) goto bad;
4d94ae00 BM	143	outfile= *(++argv);
eefa6e4e	144	}
4d94ae00	145	else if (strcmp(*argv,"-passin") == 0)
eefa6e4e	146	{
4d94ae00 BM	147	if (--argc < 1) goto bad;
4d94ae00 BM	148	passargin= *(++argv);
eefa6e4e	149	}
4d94ae00	150	else if (strcmp(*argv,"-passout") == 0)
eefa6e4e	151	{
4d94ae00 BM	152	if (--argc < 1) goto bad;
4d94ae00 BM	153	passargout= *(++argv);
eefa6e4e	154	}
4d94ae00	155	else if (strcmp(*argv, "-engine") == 0)
eefa6e4e	156	{
4d94ae00 BM	157	if (--argc < 1) goto bad;
4d94ae00 BM	158	engine= *(++argv);
eefa6e4e	159	}
4d94ae00 BM	160	else if (strcmp(*argv, "-noout") == 0)
	161	noout = 1;
	162	else if (strcmp(*argv, "-text") == 0)
	163	text = 1;
eefa6e4e	164	else if (strcmp(*argv, "-conv_form") == 0)
4d94ae00	165	{
eefa6e4e BM	166	if (--argc < 1)
	167	goto bad;
	168	++argv;
	169	new_form = 1;
	170	if (strcmp(*argv, "compressed") == 0)
	171	form = POINT_CONVERSION_COMPRESSED;
	172	else if (strcmp(*argv, "uncompressed") == 0)
	173	form = POINT_CONVERSION_UNCOMPRESSED;
	174	else if (strcmp(*argv, "hybrid") == 0)
	175	form = POINT_CONVERSION_HYBRID;
	176	else
	177	goto bad;
4d94ae00	178	}
eefa6e4e BM	179	else if (strcmp(*argv, "-param_enc") == 0)
	180	{
	181	if (--argc < 1)
	182	goto bad;
	183	++argv;
	184	new_asn1_flag = 1;
	185	if (strcmp(*argv, "named_curve") == 0)
	186	asn1_flag = OPENSSL_EC_NAMED_CURVE;
	187	else if (strcmp(*argv, "explicit") == 0)
	188	asn1_flag = 0;
	189	else
	190	goto bad;
	191	}
	192	else if (strcmp(*argv, "-param_out") == 0)
	193	param_out = 1;
4d94ae00 BM	194	else if (strcmp(*argv, "-pubin") == 0)
	195	pubin=1;
	196	else if (strcmp(*argv, "-pubout") == 0)
	197	pubout=1;
	198	else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
eefa6e4e BM	199	{
eefa6e4e BM	200	BIO_printf(bio_err, "unknown option %s\n", *argv);
4d94ae00 BM	201	badops=1;
4d94ae00 BM	202	break;
eefa6e4e	203	}
4d94ae00 BM	204	argc--;
4d94ae00 BM	205	argv++;
eefa6e4e	206	}
4d94ae00 BM	207
4d94ae00 BM	208	if (badops)
eefa6e4e	209	{
4d94ae00	210	bad:
eefa6e4e	211	BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
4d94ae00	212	BIO_printf(bio_err, "where options are\n");
eefa6e4e BM	213	BIO_printf(bio_err, " -inform arg input format - "
	214	"DER or PEM\n");
	215	BIO_printf(bio_err, " -outform arg output format - "
	216	"DER or PEM\n");
4d94ae00	217	BIO_printf(bio_err, " -in arg input file\n");
eefa6e4e BM	218	BIO_printf(bio_err, " -passin arg input file pass "
eefa6e4e BM	219	"phrase source\n");
4d94ae00	220	BIO_printf(bio_err, " -out arg output file\n");
eefa6e4e BM	221	BIO_printf(bio_err, " -passout arg output file pass "
	222	"phrase source\n");
	223	BIO_printf(bio_err, " -engine e use engine e, "
	224	"possibly a hardware device.\n");
	225	BIO_printf(bio_err, " -des encrypt PEM output, "
	226	"instead of 'des' every other \n"
	227	" cipher "
	228	"supported by OpenSSL can be used\n");
	229	BIO_printf(bio_err, " -text print the key\n");
4d94ae00	230	BIO_printf(bio_err, " -noout don't print key out\n");
eefa6e4e BM	231	BIO_printf(bio_err, " -param_out print the elliptic "
	232	"curve parameters\n");
	233	BIO_printf(bio_err, " -conv_form arg specifies the "
	234	"point conversion form \n");
c96f0fd2	235	BIO_printf(bio_err, " possible values:"
eefa6e4e	236	" compressed\n");
c96f0fd2	237	BIO_printf(bio_err, " "
eefa6e4e BM	238	" uncompressed (default)\n");
	239	BIO_printf(bio_err, " "
	240	" hybrid\n");
	241	BIO_printf(bio_err, " -param_enc arg specifies the way"
	242	" the ec parameters are encoded\n");
	243	BIO_printf(bio_err, " in the asn1 der "
	244	"encoding\n");
15bd07e9	245	BIO_printf(bio_err, " possible values:"
eefa6e4e	246	" named_curve (default)\n");
c96f0fd2	247	BIO_printf(bio_err," "
eefa6e4e	248	"explicit\n");
4d94ae00	249	goto end;
eefa6e4e	250	}
4d94ae00 BM	251
	252	ERR_load_crypto_strings();
	253
58ae65cd	254	#ifndef OPENSSL_NO_ENGINE
e9735943	255	setup_engine(bio_err, engine, 0);
58ae65cd	256	#endif
4d94ae00 BM	257
4d94ae00 BM	258	if(!app_passwd(bio_err, passargin, passargout, &passin, &passout))
eefa6e4e	259	{
4d94ae00 BM	260	BIO_printf(bio_err, "Error getting passwords\n");
4d94ae00 BM	261	goto end;
eefa6e4e	262	}
4d94ae00 BM	263
	264	in = BIO_new(BIO_s_file());
	265	out = BIO_new(BIO_s_file());
	266	if ((in == NULL) \|\| (out == NULL))
eefa6e4e	267	{
4d94ae00 BM	268	ERR_print_errors(bio_err);
4d94ae00 BM	269	goto end;
eefa6e4e	270	}
4d94ae00 BM	271
4d94ae00 BM	272	if (infile == NULL)
eefa6e4e	273	BIO_set_fp(in, stdin, BIO_NOCLOSE);
4d94ae00	274	else
4d94ae00	275	{
eefa6e4e BM	276	if (BIO_read_filename(in, infile) <= 0)
eefa6e4e BM	277	{
4d94ae00 BM	278	perror(infile);
4d94ae00 BM	279	goto end;
eefa6e4e	280	}
4d94ae00	281	}
4d94ae00	282
d4a8f90c	283	BIO_printf(bio_err, "read EC key\n");
4d94ae00	284	if (informat == FORMAT_ASN1)
eefa6e4e	285	{
4d94ae00	286	if (pubin)
14a7cfb3	287	eckey = d2i_EC_PUBKEY_bio(in, NULL);
4d94ae00	288	else
14a7cfb3	289	eckey = d2i_ECPrivateKey_bio(in, NULL);
eefa6e4e BM	290	}
	291	else if (informat == FORMAT_PEM)
	292	{
4d94ae00	293	if (pubin)
14a7cfb3	294	eckey = PEM_read_bio_EC_PUBKEY(in, NULL, NULL,
eefa6e4e	295	NULL);
4d94ae00	296	else
14a7cfb3	297	eckey = PEM_read_bio_ECPrivateKey(in, NULL, NULL,
eefa6e4e BM	298	passin);
	299	}
	300	else
	301	{
4d94ae00 BM	302	BIO_printf(bio_err, "bad input format specified for key\n");
4d94ae00 BM	303	goto end;
eefa6e4e	304	}
14a7cfb3	305	if (eckey == NULL)
eefa6e4e	306	{
4d94ae00 BM	307	BIO_printf(bio_err,"unable to load Key\n");
	308	ERR_print_errors(bio_err);
	309	goto end;
eefa6e4e	310	}
4d94ae00 BM	311
4d94ae00 BM	312	if (outfile == NULL)
eefa6e4e	313	{
4d94ae00 BM	314	BIO_set_fp(out, stdout, BIO_NOCLOSE);
4d94ae00 BM	315	#ifdef OPENSSL_SYS_VMS
eefa6e4e	316	{
4d94ae00 BM	317	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
4d94ae00 BM	318	out = BIO_push(tmpbio, out);
eefa6e4e	319	}
4d94ae00	320	#endif
eefa6e4e	321	}
4d94ae00	322	else
4d94ae00	323	{
eefa6e4e BM	324	if (BIO_write_filename(out, outfile) <= 0)
eefa6e4e BM	325	{
4d94ae00 BM	326	perror(outfile);
4d94ae00 BM	327	goto end;
eefa6e4e	328	}
4d94ae00	329	}
4d94ae00	330
9dd84053 NL	331	group = EC_KEY_get0_group(eckey);
9dd84053 NL	332
eefa6e4e	333	if (new_form)
9dd84053	334	EC_KEY_set_conv_form(eckey, form);
4d94ae00	335
eefa6e4e	336	if (new_asn1_flag)
9dd84053	337	EC_KEY_set_asn1_flag(eckey, asn1_flag);
eefa6e4e BM	338
eefa6e4e BM	339	if (text)
14a7cfb3	340	if (!EC_KEY_print(out, eckey, 0))
eefa6e4e BM	341	{
eefa6e4e BM	342	perror(outfile);
4d94ae00	343	ERR_print_errors(bio_err);
4d94ae00	344	goto end;
eefa6e4e	345	}
4d94ae00 BM	346
4d94ae00 BM	347	if (noout)
10a10fb8 NL	348	{
10a10fb8 NL	349	ret = 0;
4d94ae00	350	goto end;
10a10fb8	351	}
eefa6e4e	352
14a7cfb3	353	BIO_printf(bio_err, "writing EC key\n");
4d94ae00	354	if (outformat == FORMAT_ASN1)
eefa6e4e BM	355	{
eefa6e4e BM	356	if (param_out)
9dd84053	357	i = i2d_ECPKParameters_bio(out, group);
eefa6e4e	358	else if (pubin \|\| pubout)
14a7cfb3	359	i = i2d_EC_PUBKEY_bio(out, eckey);
4d94ae00	360	else
14a7cfb3	361	i = i2d_ECPrivateKey_bio(out, eckey);
eefa6e4e BM	362	}
	363	else if (outformat == FORMAT_PEM)
	364	{
	365	if (param_out)
9dd84053	366	i = PEM_write_bio_ECPKParameters(out, group);
eefa6e4e	367	else if (pubin \|\| pubout)
14a7cfb3	368	i = PEM_write_bio_EC_PUBKEY(out, eckey);
4d94ae00	369	else
14a7cfb3	370	i = PEM_write_bio_ECPrivateKey(out, eckey, enc,
eefa6e4e BM	371	NULL, 0, NULL, passout);
	372	}
	373	else
	374	{
	375	BIO_printf(bio_err, "bad output format specified for "
	376	"outfile\n");
4d94ae00	377	goto end;
eefa6e4e BM	378	}
eefa6e4e BM	379
4d94ae00	380	if (!i)
eefa6e4e	381	{
4d94ae00 BM	382	BIO_printf(bio_err, "unable to write private key\n");
4d94ae00 BM	383	ERR_print_errors(bio_err);
eefa6e4e	384	}
4d94ae00 BM	385	else
	386	ret=0;
	387	end:
eefa6e4e BM	388	if (in)
	389	BIO_free(in);
	390	if (out)
	391	BIO_free_all(out);
14a7cfb3 BM	392	if (eckey)
14a7cfb3 BM	393	EC_KEY_free(eckey);
eefa6e4e BM	394	if (passin)
	395	OPENSSL_free(passin);
	396	if (passout)
	397	OPENSSL_free(passout);
4d94ae00	398	apps_shutdown();
1c3e4a36	399	OPENSSL_EXIT(ret);
4d94ae00	400	}
fe41d985 DSH	401	#else /* !OPENSSL_NO_EC */
	402
	403	# if PEDANTIC
	404	static void *dummy=&dummy;
	405	# endif
	406
4d94ae00	407	#endif