This commit was manufactured by cvs2svn to create branch (67956bda) · Commits · CYBER - Cyber Security / TS 103 523 MSP / TLMSP / TLMSP OpenSSL

apps/genpkey.c

0 → 100644

+440 −0

Original line number	Diff line number	Diff line
		/* apps/genpkey.c */
		/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
		* project 2006
		*/
		/* ====================================================================
		* Copyright (c) 2006 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
		* licensing@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 <stdio.h>
		#include <string.h>
		#include "apps.h"
		#include <openssl/pem.h>
		#include <openssl/err.h>
		#include <openssl/evp.h>
		#ifndef OPENSSL_NO_ENGINE
		#include <openssl/engine.h>
		#endif

		static int init_keygen_file(BIO err, EVP_PKEY_CTX *pctx,
		const char file, ENGINE e);
		static int genpkey_cb(EVP_PKEY_CTX *ctx);

		#define PROG genpkey_main

		int MAIN(int, char **);

		int MAIN(int argc, char **argv)
		{
		ENGINE *e = NULL;
		char *args, outfile = NULL;
		char *passarg = NULL;
		BIO in = NULL, out = NULL;
		const EVP_CIPHER *cipher = NULL;
		int outformat;
		int text = 0;
		EVP_PKEY *pkey=NULL;
		EVP_PKEY_CTX *ctx = NULL;
		char *pass = NULL;
		int badarg = 0;
		int ret = 1, rv;

		int do_param = 0;

		if (bio_err == NULL)
		bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);

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

		outformat=FORMAT_PEM;

		ERR_load_crypto_strings();
		OpenSSL_add_all_algorithms();
		args = argv + 1;
		while (!badarg && args && args[0] == '-')
		{
		if (!strcmp(*args,"-outform"))
		{
		if (args[1])
		{
		args++;
		outformat=str2fmt(*args);
		}
		else badarg = 1;
		}
		else if (!strcmp(*args,"-pass"))
		{
		if (!args[1]) goto bad;
		passarg= *(++args);
		}
		#ifndef OPENSSL_NO_ENGINE
		else if (strcmp(*args,"-engine") == 0)
		{
		if (!args[1])
		goto bad;
		e = setup_engine(bio_err, *(++args), 0);
		}
		#endif
		else if (!strcmp (*args, "-paramfile"))
		{
		if (!args[1])
		goto bad;
		args++;
		if (do_param == 1)
		goto bad;
		if (!init_keygen_file(bio_err, &ctx, *args, e))
		goto end;
		}
		else if (!strcmp (*args, "-out"))
		{
		if (args[1])
		{
		args++;
		outfile = *args;
		}
		else badarg = 1;
		}
		else if (strcmp(*args,"-algorithm") == 0)
		{
		if (!args[1])
		goto bad;
		if (!init_gen_str(bio_err, &ctx, *(++args),e, do_param))
		goto end;
		}
		else if (strcmp(*args,"-pkeyopt") == 0)
		{
		if (!args[1])
		goto bad;
		if (!ctx)
		{
		BIO_puts(bio_err, "No keytype specified\n");
		goto bad;
		}
		else if (pkey_ctrl_string(ctx, *(++args)) <= 0)
		{
		BIO_puts(bio_err, "parameter setting error\n");
		ERR_print_errors(bio_err);
		goto end;
		}
		}
		else if (strcmp(*args,"-genparam") == 0)
		{
		if (ctx)
		goto bad;
		do_param = 1;
		}
		else if (strcmp(*args,"-text") == 0)
		text=1;
		else
		{
		cipher = EVP_get_cipherbyname(*args + 1);
		if (!cipher)
		{
		BIO_printf(bio_err, "Unknown cipher %s\n",
		*args + 1);
		badarg = 1;
		}
		if (do_param == 1)
		badarg = 1;
		}
		args++;
		}

		if (!ctx)
		badarg = 1;

		if (badarg)
		{
		bad:
		BIO_printf(bio_err, "Usage: genpkey [options]\n");
		BIO_printf(bio_err, "where options may be\n");
		BIO_printf(bio_err, "-out file output file\n");
		BIO_printf(bio_err, "-outform X output format (DER or PEM)\n");
		BIO_printf(bio_err, "-pass arg output file pass phrase source\n");
		BIO_printf(bio_err, "-<cipher> use cipher <cipher> to encrypt the key\n");
		#ifndef OPENSSL_NO_ENGINE
		BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
		#endif
		BIO_printf(bio_err, "-paramfile file parameters file\n");
		BIO_printf(bio_err, "-algorithm alg the public key algorithm\n");
		BIO_printf(bio_err, "-pkeyopt opt:value set the public key algorithm option <opt>\n"
		" to value <value>\n");
		BIO_printf(bio_err, "-genparam generate parameters, not key\n");
		BIO_printf(bio_err, "-text print the in text\n");
		BIO_printf(bio_err, "NB: options order may be important! See the manual page.\n");
		goto end;
		}

		if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
		{
		BIO_puts(bio_err, "Error getting password\n");
		goto end;
		}

		if (outfile)
		{
		if (!(out = BIO_new_file (outfile, "wb")))
		{
		BIO_printf(bio_err,
		"Can't open output file %s\n", outfile);
		goto end;
		}
		}
		else
		{
		out = BIO_new_fp (stdout, BIO_NOCLOSE);
		#ifdef OPENSSL_SYS_VMS
		{
		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
		out = BIO_push(tmpbio, out);
		}
		#endif
		}

		EVP_PKEY_CTX_set_cb(ctx, genpkey_cb);
		EVP_PKEY_CTX_set_app_data(ctx, bio_err);

		if (do_param)
		{
		if (EVP_PKEY_paramgen(ctx, &pkey) <= 0)
		{
		BIO_puts(bio_err, "Error generating parameters\n");
		ERR_print_errors(bio_err);
		goto end;
		}
		}
		else
		{
		if (EVP_PKEY_keygen(ctx, &pkey) <= 0)
		{
		BIO_puts(bio_err, "Error generating key\n");
		ERR_print_errors(bio_err);
		goto end;
		}
		}

		if (do_param)
		rv = PEM_write_bio_Parameters(out, pkey);
		else if (outformat == FORMAT_PEM)
		rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0,
		NULL, pass);
		else if (outformat == FORMAT_ASN1)
		rv = i2d_PrivateKey_bio(out, pkey);
		else
		{
		BIO_printf(bio_err, "Bad format specified for key\n");
		goto end;
		}

		if (rv <= 0)
		{
		BIO_puts(bio_err, "Error writing key\n");
		ERR_print_errors(bio_err);
		}

		if (text)
		{
		if (do_param)
		rv = EVP_PKEY_print_params(out, pkey, 0, NULL);
		else
		rv = EVP_PKEY_print_private(out, pkey, 0, NULL);

		if (rv <= 0)
		{
		BIO_puts(bio_err, "Error printing key\n");
		ERR_print_errors(bio_err);
		}
		}

		ret = 0;

		end:
		if (pkey)
		EVP_PKEY_free(pkey);
		if (ctx)
		EVP_PKEY_CTX_free(ctx);
		if (out)
		BIO_free_all(out);
		BIO_free(in);
		if (pass)
		OPENSSL_free(pass);

		return ret;
		}

		static int init_keygen_file(BIO err, EVP_PKEY_CTX *pctx,
		const char file, ENGINE e)
		{
		BIO *pbio;
		EVP_PKEY *pkey = NULL;
		EVP_PKEY_CTX *ctx = NULL;
		if (*pctx)
		{
		BIO_puts(err, "Parameters already set!\n");
		return 0;
		}

		pbio = BIO_new_file(file, "r");
		if (!pbio)
		{
		BIO_printf(err, "Can't open parameter file %s\n", file);
		return 0;
		}

		pkey = PEM_read_bio_Parameters(pbio, NULL);
		BIO_free(pbio);

		if (!pkey)
		{
		BIO_printf(bio_err, "Error reading parameter file %s\n", file);
		return 0;
		}

		ctx = EVP_PKEY_CTX_new(pkey, e);
		if (!ctx)
		goto err;
		if (EVP_PKEY_keygen_init(ctx) <= 0)
		goto err;
		EVP_PKEY_free(pkey);
		*pctx = ctx;
		return 1;

		err:
		BIO_puts(err, "Error initializing context\n");
		ERR_print_errors(err);
		if (ctx)
		EVP_PKEY_CTX_free(ctx);
		if (pkey)
		EVP_PKEY_free(pkey);
		return 0;

		}

		int init_gen_str(BIO err, EVP_PKEY_CTX *pctx,
		const char algname, ENGINE e, int do_param)
		{
		EVP_PKEY_CTX *ctx = NULL;
		const EVP_PKEY_ASN1_METHOD *ameth;
		ENGINE *tmpeng = NULL;
		int pkey_id;

		if (*pctx)
		{
		BIO_puts(err, "Algorithm already set!\n");
		return 0;
		}

		ameth = EVP_PKEY_asn1_find_str(&tmpeng, algname, -1);

		#ifndef OPENSSL_NO_ENGINE
		if (!ameth && e)
		ameth = ENGINE_get_pkey_asn1_meth_str(e, algname, -1);
		#endif

		if (!ameth)
		{
		BIO_printf(bio_err, "Algorithm %s not found\n", algname);
		return 0;
		}

		ERR_clear_error();

		EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth);
		#ifndef OPENSSL_NO_ENGINE
		if (tmpeng)
		ENGINE_finish(tmpeng);
		#endif
		ctx = EVP_PKEY_CTX_new_id(pkey_id, e);

		if (!ctx)
		goto err;
		if (do_param)
		{
		if (EVP_PKEY_paramgen_init(ctx) <= 0)
		goto err;
		}
		else
		{
		if (EVP_PKEY_keygen_init(ctx) <= 0)
		goto err;
		}

		*pctx = ctx;
		return 1;

		err:
		BIO_printf(err, "Error initializing %s context\n", algname);
		ERR_print_errors(err);
		if (ctx)
		EVP_PKEY_CTX_free(ctx);
		return 0;

		}

		static int genpkey_cb(EVP_PKEY_CTX *ctx)
		{
		char c='*';
		BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
		int p;
		p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
		if (p == 0) c='.';
		if (p == 1) c='+';
		if (p == 2) c='*';
		if (p == 3) c='\n';
		BIO_write(b,&c,1);
		(void)BIO_flush(b);
		#ifdef LINT
		p=n;
		#endif
		return 1;
		}

apps/pkey.c

0 → 100644

+284 −0

Original line number	Diff line number	Diff line
		/* apps/pkey.c */
		/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
		* project 2006
		*/
		/* ====================================================================
		* Copyright (c) 2006 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
		* licensing@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 <stdio.h>
		#include <string.h>
		#include "apps.h"
		#include <openssl/pem.h>
		#include <openssl/err.h>
		#include <openssl/evp.h>

		#define PROG pkey_main

		int MAIN(int, char **);

		int MAIN(int argc, char **argv)
		{
		ENGINE *e = NULL;
		char *args, infile = NULL, *outfile = NULL;
		char passargin = NULL, passargout = NULL;
		BIO in = NULL, out = NULL;
		const EVP_CIPHER *cipher = NULL;
		int informat, outformat;
		int pubin = 0, pubout = 0, pubtext = 0, text = 0, noout = 0;
		EVP_PKEY *pkey=NULL;
		char passin = NULL, passout = NULL;
		int badarg = 0;
		#ifndef OPENSSL_NO_ENGINE
		char *engine=NULL;
		#endif
		int ret = 1;

		if (bio_err == NULL)
		bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);

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

		informat=FORMAT_PEM;
		outformat=FORMAT_PEM;

		ERR_load_crypto_strings();
		OpenSSL_add_all_algorithms();
		args = argv + 1;
		while (!badarg && args && args[0] == '-')
		{
		if (!strcmp(*args,"-inform"))
		{
		if (args[1])
		{
		args++;
		informat=str2fmt(*args);
		}
		else badarg = 1;
		}
		else if (!strcmp(*args,"-outform"))
		{
		if (args[1])
		{
		args++;
		outformat=str2fmt(*args);
		}
		else badarg = 1;
		}
		else if (!strcmp(*args,"-passin"))
		{
		if (!args[1]) goto bad;
		passargin= *(++args);
		}
		else if (!strcmp(*args,"-passout"))
		{
		if (!args[1]) goto bad;
		passargout= *(++args);
		}
		#ifndef OPENSSL_NO_ENGINE
		else if (strcmp(*args,"-engine") == 0)
		{
		if (!args[1]) goto bad;
		engine= *(++args);
		}
		#endif
		else if (!strcmp (*args, "-in"))
		{
		if (args[1])
		{
		args++;
		infile = *args;
		}
		else badarg = 1;
		}
		else if (!strcmp (*args, "-out"))
		{
		if (args[1])
		{
		args++;
		outfile = *args;
		}
		else badarg = 1;
		}
		else if (strcmp(*args,"-pubin") == 0)
		{
		pubin=1;
		pubout=1;
		pubtext=1;
		}
		else if (strcmp(*args,"-pubout") == 0)
		pubout=1;
		else if (strcmp(*args,"-text_pub") == 0)
		{
		pubtext=1;
		text=1;
		}
		else if (strcmp(*args,"-text") == 0)
		text=1;
		else if (strcmp(*args,"-noout") == 0)
		noout=1;
		else
		{
		cipher = EVP_get_cipherbyname(*args + 1);
		if (!cipher)
		{
		BIO_printf(bio_err, "Unknown cipher %s\n",
		*args + 1);
		badarg = 1;
		}
		}
		args++;
		}

		if (badarg)
		{
		bad:
		BIO_printf(bio_err, "Usage pkey [options]\n");
		BIO_printf(bio_err, "where options are\n");
		BIO_printf(bio_err, "-in file input file\n");
		BIO_printf(bio_err, "-inform X input format (DER or PEM)\n");
		BIO_printf(bio_err, "-passin arg input file pass phrase source\n");
		BIO_printf(bio_err, "-outform X output format (DER or PEM)\n");
		BIO_printf(bio_err, "-out file 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
		return 1;
		}

		#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;
		}

		if (outfile)
		{
		if (!(out = BIO_new_file (outfile, "wb")))
		{
		BIO_printf(bio_err,
		"Can't open output file %s\n", outfile);
		goto end;
		}
		}
		else
		{
		out = BIO_new_fp (stdout, BIO_NOCLOSE);
		#ifdef OPENSSL_SYS_VMS
		{
		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
		out = BIO_push(tmpbio, out);
		}
		#endif
		}

		if (pubin)
		pkey = load_pubkey(bio_err, infile, informat, 1,
		passin, e, "Public Key");
		else
		pkey = load_key(bio_err, infile, informat, 1,
		passin, e, "key");
		if (!pkey)
		goto end;

		if (!noout)
		{
		if (outformat == FORMAT_PEM)
		{
		if (pubout)
		PEM_write_bio_PUBKEY(out,pkey);
		else
		PEM_write_bio_PrivateKey(out, pkey, cipher,
		NULL, 0, NULL, passout);
		}
		else if (outformat == FORMAT_ASN1)
		{
		if (pubout)
		i2d_PUBKEY_bio(out, pkey);
		else
		i2d_PrivateKey_bio(out, pkey);
		}
		else
		{
		BIO_printf(bio_err, "Bad format specified for key\n");
		goto end;
		}

		}

		if (text)
		{
		if (pubtext)
		EVP_PKEY_print_public(out, pkey, 0, NULL);
		else
		EVP_PKEY_print_private(out, pkey, 0, NULL);
		}

		ret = 0;

		end:
		EVP_PKEY_free(pkey);
		BIO_free_all(out);
		BIO_free(in);
		if (passin)
		OPENSSL_free(passin);
		if (passout)
		OPENSSL_free(passout);

		return ret;
		}

apps/pkeyparam.c

0 → 100644

+201 −0

Original line number	Diff line number	Diff line
		/* apps/pkeyparam.c */
		/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
		* project 2006
		*/
		/* ====================================================================
		* Copyright (c) 2006 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
		* licensing@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 <stdio.h>
		#include <string.h>
		#include "apps.h"
		#include <openssl/pem.h>
		#include <openssl/err.h>
		#include <openssl/evp.h>

		#define PROG pkeyparam_main

		int MAIN(int, char **);

		int MAIN(int argc, char **argv)
		{
		char *args, infile = NULL, *outfile = NULL;
		BIO in = NULL, out = NULL;
		int text = 0, noout = 0;
		EVP_PKEY *pkey=NULL;
		int badarg = 0;
		#ifndef OPENSSL_NO_ENGINE
		ENGINE *e = NULL;
		char *engine=NULL;
		#endif
		int ret = 1;

		if (bio_err == NULL)
		bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);

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

		ERR_load_crypto_strings();
		OpenSSL_add_all_algorithms();
		args = argv + 1;
		while (!badarg && args && args[0] == '-')
		{
		if (!strcmp (*args, "-in"))
		{
		if (args[1])
		{
		args++;
		infile = *args;
		}
		else badarg = 1;
		}
		else if (!strcmp (*args, "-out"))
		{
		if (args[1])
		{
		args++;
		outfile = *args;
		}
		else badarg = 1;
		}
		#ifndef OPENSSL_NO_ENGINE
		else if (strcmp(*args,"-engine") == 0)
		{
		if (!args[1]) goto bad;
		engine= *(++args);
		}
		#endif

		else if (strcmp(*args,"-text") == 0)
		text=1;
		else if (strcmp(*args,"-noout") == 0)
		noout=1;
		args++;
		}

		if (badarg)
		{
		#ifndef OPENSSL_NO_ENGINE
		bad:
		#endif
		BIO_printf(bio_err, "Usage pkeyparam [options]\n");
		BIO_printf(bio_err, "where options are\n");
		BIO_printf(bio_err, "-in file input file\n");
		BIO_printf(bio_err, "-out file output file\n");
		BIO_printf(bio_err, "-text print parameters as text\n");
		BIO_printf(bio_err, "-noout don't output encoded parameters\n");
		#ifndef OPENSSL_NO_ENGINE
		BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
		#endif
		return 1;
		}

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

		if (infile)
		{
		if (!(in = BIO_new_file (infile, "r")))
		{
		BIO_printf(bio_err,
		"Can't open input file %s\n", infile);
		goto end;
		}
		}
		else
		in = BIO_new_fp (stdin, BIO_NOCLOSE);

		if (outfile)
		{
		if (!(out = BIO_new_file (outfile, "w")))
		{
		BIO_printf(bio_err,
		"Can't open output file %s\n", outfile);
		goto end;
		}
		}
		else
		{
		out = BIO_new_fp (stdout, BIO_NOCLOSE);
		#ifdef OPENSSL_SYS_VMS
		{
		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
		out = BIO_push(tmpbio, out);
		}
		#endif
		}

		pkey = PEM_read_bio_Parameters(in, NULL);
		if (!pkey)
		{
		BIO_printf(bio_err, "Error reading paramters\n");
		ERR_print_errors(bio_err);
		goto end;
		}

		if (!noout)
		PEM_write_bio_Parameters(out,pkey);

		if (text)
		EVP_PKEY_print_params(out, pkey, 0, NULL);

		ret = 0;

		end:
		EVP_PKEY_free(pkey);
		BIO_free_all(out);
		BIO_free(in);

		return ret;
		}

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