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path: root/bitmask_android/openssl/apps/pkey.c
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/* 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;
	}