227 lines
7.5 KiB
C
227 lines
7.5 KiB
C
/*
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* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
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* 2006
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*/
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/* ====================================================================
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* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include "apps.h"
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#include <openssl/pem.h>
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#include <openssl/err.h>
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#include <openssl/evp.h>
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typedef enum OPTION_choice {
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OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
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OPT_INFORM, OPT_OUTFORM, OPT_PASSIN, OPT_PASSOUT, OPT_ENGINE,
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OPT_IN, OPT_OUT, OPT_PUBIN, OPT_PUBOUT, OPT_TEXT_PUB,
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OPT_TEXT, OPT_NOOUT, OPT_MD
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} OPTION_CHOICE;
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OPTIONS pkey_options[] = {
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{"help", OPT_HELP, '-', "Display this summary"},
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{"inform", OPT_INFORM, 'f', "Input format (DER or PEM)"},
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{"outform", OPT_OUTFORM, 'F', "Output format (DER or PEM)"},
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{"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
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{"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
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{"in", OPT_IN, 's', "Input key"},
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{"out", OPT_OUT, '>', "Output file"},
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{"pubin", OPT_PUBIN, '-',
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"Read public key from input (default is private key)"},
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{"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
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{"text_pub", OPT_TEXT_PUB, '-', "Only output public key components"},
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{"text", OPT_TEXT, '-', "Output in plaintext as well"},
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{"noout", OPT_NOOUT, '-', "Don't output the key"},
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{"", OPT_MD, '-', "Any supported cipher"},
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#ifndef OPENSSL_NO_ENGINE
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{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
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#endif
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{NULL}
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};
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int pkey_main(int argc, char **argv)
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{
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BIO *in = NULL, *out = NULL;
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ENGINE *e = NULL;
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EVP_PKEY *pkey = NULL;
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const EVP_CIPHER *cipher = NULL;
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char *infile = NULL, *outfile = NULL, *passin = NULL, *passout = NULL;
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char *passinarg = NULL, *passoutarg = NULL, *prog;
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OPTION_CHOICE o;
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int informat = FORMAT_PEM, outformat = FORMAT_PEM;
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int pubin = 0, pubout = 0, pubtext = 0, text = 0, noout = 0, ret = 1;
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int private = 0;
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prog = opt_init(argc, argv, pkey_options);
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while ((o = opt_next()) != OPT_EOF) {
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switch (o) {
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case OPT_EOF:
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case OPT_ERR:
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opthelp:
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BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
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goto end;
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case OPT_HELP:
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opt_help(pkey_options);
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ret = 0;
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goto end;
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case OPT_INFORM:
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if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
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goto opthelp;
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break;
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case OPT_OUTFORM:
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if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
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goto opthelp;
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break;
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case OPT_PASSIN:
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passinarg = opt_arg();
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break;
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case OPT_PASSOUT:
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passoutarg = opt_arg();
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break;
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case OPT_ENGINE:
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e = setup_engine(opt_arg(), 0);
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break;
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case OPT_IN:
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infile = opt_arg();
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break;
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case OPT_OUT:
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outfile = opt_arg();
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break;
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case OPT_PUBIN:
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pubin = pubout = pubtext = 1;
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break;
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case OPT_PUBOUT:
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pubout = 1;
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break;
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case OPT_TEXT_PUB:
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pubtext = text = 1;
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break;
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case OPT_TEXT:
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text = 1;
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break;
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case OPT_NOOUT:
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noout = 1;
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break;
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case OPT_MD:
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if (!opt_cipher(opt_unknown(), &cipher))
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goto opthelp;
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}
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}
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argc = opt_num_rest();
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if (argc != 0)
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goto opthelp;
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private = !noout && !pubout ? 1 : 0;
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if (text && !pubtext)
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private = 1;
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if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
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BIO_printf(bio_err, "Error getting passwords\n");
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goto end;
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}
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out = bio_open_owner(outfile, outformat, private);
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if (out == NULL)
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goto end;
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if (pubin)
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pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key");
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else
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pkey = load_key(infile, informat, 1, passin, e, "key");
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if (!pkey)
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goto end;
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if (!noout) {
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if (outformat == FORMAT_PEM) {
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if (pubout)
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PEM_write_bio_PUBKEY(out, pkey);
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else {
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assert(private);
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PEM_write_bio_PrivateKey(out, pkey, cipher,
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NULL, 0, NULL, passout);
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}
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} else if (outformat == FORMAT_ASN1) {
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if (pubout)
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i2d_PUBKEY_bio(out, pkey);
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else {
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assert(private);
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i2d_PrivateKey_bio(out, pkey);
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}
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} else {
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BIO_printf(bio_err, "Bad format specified for key\n");
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goto end;
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}
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}
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if (text) {
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if (pubtext)
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EVP_PKEY_print_public(out, pkey, 0, NULL);
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else {
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assert(private);
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EVP_PKEY_print_private(out, pkey, 0, NULL);
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}
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}
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ret = 0;
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end:
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EVP_PKEY_free(pkey);
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BIO_free_all(out);
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BIO_free(in);
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OPENSSL_free(passin);
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OPENSSL_free(passout);
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return ret;
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}
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