openssl1.0/apps/pkey.c

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2019-08-09 10:00:55 +02:00
/* 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;
char *engine = NULL;
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;
}
e = setup_engine(bio_err, engine, 0);
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);
release_engine(e);
BIO_free_all(out);
BIO_free(in);
if (passin)
OPENSSL_free(passin);
if (passout)
OPENSSL_free(passout);
return ret;
}