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/*
* 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>
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
OPT_INFORM, OPT_OUTFORM, OPT_PASSIN, OPT_PASSOUT, OPT_ENGINE,
OPT_IN, OPT_OUT, OPT_PUBIN, OPT_PUBOUT, OPT_TEXT_PUB,
OPT_TEXT, OPT_NOOUT, OPT_MD
} OPTION_CHOICE;
OPTIONS pkey_options[] = {
{"help", OPT_HELP, '-', "Display this summary"},
{"inform", OPT_INFORM, 'f', "Input format (DER or PEM)"},
{"outform", OPT_OUTFORM, 'F', "Output format (DER or PEM)"},
{"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
{"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
{"in", OPT_IN, 's', "Input key"},
{"out", OPT_OUT, '>', "Output file"},
{"pubin", OPT_PUBIN, '-',
"Read public key from input (default is private key)"},
{"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
{"text_pub", OPT_TEXT_PUB, '-', "Only output public key components"},
{"text", OPT_TEXT, '-', "Output in plaintext as well"},
{"noout", OPT_NOOUT, '-', "Don't output the key"},
{"", OPT_MD, '-', "Any supported cipher"},
#ifndef OPENSSL_NO_ENGINE
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
#endif
{NULL}
};
int pkey_main(int argc, char **argv)
{
BIO *in = NULL, *out = NULL;
ENGINE *e = NULL;
EVP_PKEY *pkey = NULL;
const EVP_CIPHER *cipher = NULL;
char *infile = NULL, *outfile = NULL, *passin = NULL, *passout = NULL;
char *passinarg = NULL, *passoutarg = NULL, *prog;
OPTION_CHOICE o;
int informat = FORMAT_PEM, outformat = FORMAT_PEM;
int pubin = 0, pubout = 0, pubtext = 0, text = 0, noout = 0, ret = 1;
int private = 0;
prog = opt_init(argc, argv, pkey_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
opthelp:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
opt_help(pkey_options);
ret = 0;
goto end;
case OPT_INFORM:
if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
goto opthelp;
break;
case OPT_OUTFORM:
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
goto opthelp;
break;
case OPT_PASSIN:
passinarg = opt_arg();
break;
case OPT_PASSOUT:
passoutarg = opt_arg();
break;
case OPT_ENGINE:
e = setup_engine(opt_arg(), 0);
break;
case OPT_IN:
infile = opt_arg();
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_PUBIN:
pubin = pubout = pubtext = 1;
break;
case OPT_PUBOUT:
pubout = 1;
break;
case OPT_TEXT_PUB:
pubtext = text = 1;
break;
case OPT_TEXT:
text = 1;
break;
case OPT_NOOUT:
noout = 1;
break;
case OPT_MD:
if (!opt_cipher(opt_unknown(), &cipher))
goto opthelp;
}
}
argc = opt_num_rest();
if (argc != 0)
goto opthelp;
private = !noout && !pubout ? 1 : 0;
if (text && !pubtext)
private = 1;
if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
BIO_printf(bio_err, "Error getting passwords\n");
goto end;
}
out = bio_open_owner(outfile, outformat, private);
if (out == NULL)
goto end;
if (pubin)
pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key");
else
pkey = load_key(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 {
assert(private);
PEM_write_bio_PrivateKey(out, pkey, cipher,
NULL, 0, NULL, passout);
}
} else if (outformat == FORMAT_ASN1) {
if (pubout)
i2d_PUBKEY_bio(out, pkey);
else {
assert(private);
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 {
assert(private);
EVP_PKEY_print_private(out, pkey, 0, NULL);
}
}
ret = 0;
end:
EVP_PKEY_free(pkey);
BIO_free_all(out);
BIO_free(in);
OPENSSL_free(passin);
OPENSSL_free(passout);
return ret;
}
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