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_INFORM, OPT_OUTFORM, OPT_PASSIN, OPT_PASSOUT, OPT_ENGINE,
20 OPT_IN, OPT_OUT, OPT_PUBIN, OPT_PUBOUT, OPT_TEXT_PUB,
21 OPT_TEXT, OPT_NOOUT, OPT_MD, OPT_TRADITIONAL, OPT_CHECK, OPT_PUB_CHECK
24 const OPTIONS pkey_options[] = {
25 {"help", OPT_HELP, '-', "Display this summary"},
26 {"inform", OPT_INFORM, 'f', "Input format (DER or PEM)"},
27 {"outform", OPT_OUTFORM, 'F', "Output format (DER or PEM)"},
28 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
29 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
30 {"in", OPT_IN, 's', "Input key"},
31 {"out", OPT_OUT, '>', "Output file"},
32 {"pubin", OPT_PUBIN, '-',
33 "Read public key from input (default is private key)"},
34 {"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
35 {"text_pub", OPT_TEXT_PUB, '-', "Only output public key components"},
36 {"text", OPT_TEXT, '-', "Output in plaintext as well"},
37 {"noout", OPT_NOOUT, '-', "Don't output the key"},
38 {"", OPT_MD, '-', "Any supported cipher"},
39 {"traditional", OPT_TRADITIONAL, '-',
40 "Use traditional format for private keys"},
41 #ifndef OPENSSL_NO_ENGINE
42 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
44 {"check", OPT_CHECK, '-', "Check key consistency"},
45 {"pubcheck", OPT_PUB_CHECK, '-', "Check public key consistency"},
49 int pkey_main(int argc, char **argv)
51 BIO *in = NULL, *out = NULL;
53 EVP_PKEY *pkey = NULL;
54 const EVP_CIPHER *cipher = NULL;
55 char *infile = NULL, *outfile = NULL, *passin = NULL, *passout = NULL;
56 char *passinarg = NULL, *passoutarg = NULL, *prog;
58 int informat = FORMAT_PEM, outformat = FORMAT_PEM;
59 int pubin = 0, pubout = 0, pubtext = 0, text = 0, noout = 0, ret = 1;
60 int private = 0, traditional = 0, check = 0, pub_check = 0;
62 prog = opt_init(argc, argv, pkey_options);
63 while ((o = opt_next()) != OPT_EOF) {
68 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
71 opt_help(pkey_options);
75 if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
79 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
83 passinarg = opt_arg();
86 passoutarg = opt_arg();
89 e = setup_engine(opt_arg(), 0);
98 pubin = pubout = pubtext = 1;
112 case OPT_TRADITIONAL:
122 if (!opt_cipher(opt_unknown(), &cipher))
126 argc = opt_num_rest();
130 private = !noout && !pubout ? 1 : 0;
131 if (text && !pubtext)
134 if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
135 BIO_printf(bio_err, "Error getting passwords\n");
139 out = bio_open_owner(outfile, outformat, private);
144 pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key");
146 pkey = load_key(infile, informat, 1, passin, e, "key");
150 if (check || pub_check) {
154 ctx = EVP_PKEY_CTX_new(pkey, e);
156 ERR_print_errors(bio_err);
161 r = EVP_PKEY_check(ctx);
163 r = EVP_PKEY_public_check(ctx);
166 BIO_printf(out, "Key is valid\n");
169 * Note: at least for RSA keys if this function returns
170 * -1, there will be no error reasons.
174 BIO_printf(out, "Key is invalid\n");
176 while ((err = ERR_peek_error()) != 0) {
177 BIO_printf(out, "Detailed error: %s\n",
178 ERR_reason_error_string(err));
179 ERR_get_error(); /* remove err from error stack */
182 EVP_PKEY_CTX_free(ctx);
186 if (outformat == FORMAT_PEM) {
188 PEM_write_bio_PUBKEY(out, pkey);
192 PEM_write_bio_PrivateKey_traditional(out, pkey, cipher,
196 PEM_write_bio_PrivateKey(out, pkey, cipher,
197 NULL, 0, NULL, passout);
199 } else if (outformat == FORMAT_ASN1) {
201 i2d_PUBKEY_bio(out, pkey);
204 i2d_PrivateKey_bio(out, pkey);
207 BIO_printf(bio_err, "Bad format specified for key\n");
214 EVP_PKEY_print_public(out, pkey, 0, NULL);
217 EVP_PKEY_print_private(out, pkey, 0, NULL);
225 ERR_print_errors(bio_err);
230 OPENSSL_free(passin);
231 OPENSSL_free(passout);