2 * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
13 #include <openssl/pem.h>
14 #include <openssl/err.h>
15 #include <openssl/evp.h>
17 typedef enum OPTION_choice {
18 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
19 OPT_IN, OPT_OUT, OPT_TEXT, OPT_NOOUT, OPT_ENGINE
22 OPTIONS pkeyparam_options[] = {
23 {"help", OPT_HELP, '-', "Display this summary"},
24 {"in", OPT_IN, '<', "Input file"},
25 {"out", OPT_OUT, '>', "Output file"},
26 {"text", OPT_TEXT, '-', "Print parameters as text"},
27 {"noout", OPT_NOOUT, '-', "Don't output encoded parameters"},
28 #ifndef OPENSSL_NO_ENGINE
29 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
34 int pkeyparam_main(int argc, char **argv)
37 BIO *in = NULL, *out = NULL;
38 EVP_PKEY *pkey = NULL;
39 int text = 0, noout = 0, ret = 1;
41 char *infile = NULL, *outfile = NULL, *prog;
43 prog = opt_init(argc, argv, pkeyparam_options);
44 while ((o = opt_next()) != OPT_EOF) {
49 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
52 opt_help(pkeyparam_options);
62 e = setup_engine(opt_arg(), 0);
72 argc = opt_num_rest();
76 in = bio_open_default(infile, 'r', FORMAT_PEM);
79 out = bio_open_default(outfile, 'w', FORMAT_PEM);
82 pkey = PEM_read_bio_Parameters(in, NULL);
84 BIO_printf(bio_err, "Error reading parameters\n");
85 ERR_print_errors(bio_err);
90 PEM_write_bio_Parameters(out, pkey);
93 EVP_PKEY_print_params(out, pkey, 0, NULL);