2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
5 /* ====================================================================
6 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
61 #include <openssl/pem.h>
62 #include <openssl/err.h>
63 #include <openssl/evp.h>
65 typedef enum OPTION_choice {
66 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
67 OPT_IN, OPT_OUT, OPT_TEXT, OPT_NOOUT, OPT_ENGINE
70 OPTIONS pkeyparam_options[] = {
71 {"help", OPT_HELP, '-', "Display this summary"},
72 {"in", OPT_IN, '<', "Input file"},
73 {"out", OPT_OUT, '>', "Output file"},
74 {"text", OPT_TEXT, '-', "Print parameters as text"},
75 {"noout", OPT_NOOUT, '-', "Don't output encoded parameters"},
76 #ifndef OPENSSL_NO_ENGINE
77 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
82 int pkeyparam_main(int argc, char **argv)
84 BIO *in = NULL, *out = NULL;
85 EVP_PKEY *pkey = NULL;
86 int text = 0, noout = 0, ret = 1;
88 char *infile = NULL, *outfile = NULL, *prog, *engine = NULL;
90 prog = opt_init(argc, argv, pkeyparam_options);
91 while ((o = opt_next()) != OPT_EOF) {
95 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
98 opt_help(pkeyparam_options);
118 argc = opt_num_rest();
121 #ifndef OPENSSL_NO_ENGINE
122 setup_engine(engine, 0);
125 in = bio_open_default(infile, "r");
128 out = bio_open_default(outfile, "w");
131 pkey = PEM_read_bio_Parameters(in, NULL);
133 BIO_printf(bio_err, "Error reading parameters\n");
134 ERR_print_errors(bio_err);
139 PEM_write_bio_Parameters(out, pkey);
142 EVP_PKEY_print_params(out, pkey, 0, NULL);