2 * Copyright 2006-2017 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 const 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
);