xref: /freebsd/crypto/openssl/apps/pkey.c (revision 59e2ff550c448126b988150ce800cdf73bb5103e)
1 /* apps/pkey.c */
2 /*
3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4  * 2006
5  */
6 /* ====================================================================
7  * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in
18  *    the documentation and/or other materials provided with the
19  *    distribution.
20  *
21  * 3. All advertising materials mentioning features or use of this
22  *    software must display the following acknowledgment:
23  *    "This product includes software developed by the OpenSSL Project
24  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25  *
26  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27  *    endorse or promote products derived from this software without
28  *    prior written permission. For written permission, please contact
29  *    licensing@OpenSSL.org.
30  *
31  * 5. Products derived from this software may not be called "OpenSSL"
32  *    nor may "OpenSSL" appear in their names without prior written
33  *    permission of the OpenSSL Project.
34  *
35  * 6. Redistributions of any form whatsoever must retain the following
36  *    acknowledgment:
37  *    "This product includes software developed by the OpenSSL Project
38  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39  *
40  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51  * OF THE POSSIBILITY OF SUCH DAMAGE.
52  * ====================================================================
53  *
54  * This product includes cryptographic software written by Eric Young
55  * (eay@cryptsoft.com).  This product includes software written by Tim
56  * Hudson (tjh@cryptsoft.com).
57  *
58  */
59 #include <stdio.h>
60 #include <string.h>
61 #include "apps.h"
62 #include <openssl/pem.h>
63 #include <openssl/err.h>
64 #include <openssl/evp.h>
65 
66 #define PROG pkey_main
67 
68 int MAIN(int, char **);
69 
70 int MAIN(int argc, char **argv)
71 {
72     ENGINE *e = NULL;
73     char **args, *infile = NULL, *outfile = NULL;
74     char *passargin = NULL, *passargout = NULL;
75     BIO *in = NULL, *out = NULL;
76     const EVP_CIPHER *cipher = NULL;
77     int informat, outformat;
78     int pubin = 0, pubout = 0, pubtext = 0, text = 0, noout = 0;
79     EVP_PKEY *pkey = NULL;
80     char *passin = NULL, *passout = NULL;
81     int badarg = 0;
82 #ifndef OPENSSL_NO_ENGINE
83     char *engine = NULL;
84 #endif
85     int ret = 1;
86 
87     if (bio_err == NULL)
88         bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
89 
90     if (!load_config(bio_err, NULL))
91         goto end;
92 
93     informat = FORMAT_PEM;
94     outformat = FORMAT_PEM;
95 
96     ERR_load_crypto_strings();
97     OpenSSL_add_all_algorithms();
98     args = argv + 1;
99     while (!badarg && *args && *args[0] == '-') {
100         if (!strcmp(*args, "-inform")) {
101             if (args[1]) {
102                 args++;
103                 informat = str2fmt(*args);
104             } else
105                 badarg = 1;
106         } else if (!strcmp(*args, "-outform")) {
107             if (args[1]) {
108                 args++;
109                 outformat = str2fmt(*args);
110             } else
111                 badarg = 1;
112         } else if (!strcmp(*args, "-passin")) {
113             if (!args[1])
114                 goto bad;
115             passargin = *(++args);
116         } else if (!strcmp(*args, "-passout")) {
117             if (!args[1])
118                 goto bad;
119             passargout = *(++args);
120         }
121 #ifndef OPENSSL_NO_ENGINE
122         else if (strcmp(*args, "-engine") == 0) {
123             if (!args[1])
124                 goto bad;
125             engine = *(++args);
126         }
127 #endif
128         else if (!strcmp(*args, "-in")) {
129             if (args[1]) {
130                 args++;
131                 infile = *args;
132             } else
133                 badarg = 1;
134         } else if (!strcmp(*args, "-out")) {
135             if (args[1]) {
136                 args++;
137                 outfile = *args;
138             } else
139                 badarg = 1;
140         } else if (strcmp(*args, "-pubin") == 0) {
141             pubin = 1;
142             pubout = 1;
143             pubtext = 1;
144         } else if (strcmp(*args, "-pubout") == 0)
145             pubout = 1;
146         else if (strcmp(*args, "-text_pub") == 0) {
147             pubtext = 1;
148             text = 1;
149         } else if (strcmp(*args, "-text") == 0)
150             text = 1;
151         else if (strcmp(*args, "-noout") == 0)
152             noout = 1;
153         else {
154             cipher = EVP_get_cipherbyname(*args + 1);
155             if (!cipher) {
156                 BIO_printf(bio_err, "Unknown cipher %s\n", *args + 1);
157                 badarg = 1;
158             }
159         }
160         args++;
161     }
162 
163     if (badarg) {
164  bad:
165         BIO_printf(bio_err, "Usage pkey [options]\n");
166         BIO_printf(bio_err, "where options are\n");
167         BIO_printf(bio_err, "-in file        input file\n");
168         BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
169         BIO_printf(bio_err,
170                    "-passin arg     input file pass phrase source\n");
171         BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
172         BIO_printf(bio_err, "-out file       output file\n");
173         BIO_printf(bio_err,
174                    "-passout arg    output file pass phrase source\n");
175 #ifndef OPENSSL_NO_ENGINE
176         BIO_printf(bio_err,
177                    "-engine e       use engine e, possibly a hardware device.\n");
178 #endif
179         return 1;
180     }
181 #ifndef OPENSSL_NO_ENGINE
182     e = setup_engine(bio_err, engine, 0);
183 #endif
184 
185     if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
186         BIO_printf(bio_err, "Error getting passwords\n");
187         goto end;
188     }
189 
190     if (outfile) {
191         if (!(out = BIO_new_file(outfile, "wb"))) {
192             BIO_printf(bio_err, "Can't open output file %s\n", outfile);
193             goto end;
194         }
195     } else {
196         out = BIO_new_fp(stdout, BIO_NOCLOSE);
197 #ifdef OPENSSL_SYS_VMS
198         {
199             BIO *tmpbio = BIO_new(BIO_f_linebuffer());
200             out = BIO_push(tmpbio, out);
201         }
202 #endif
203     }
204 
205     if (pubin)
206         pkey = load_pubkey(bio_err, infile, informat, 1,
207                            passin, e, "Public Key");
208     else
209         pkey = load_key(bio_err, infile, informat, 1, passin, e, "key");
210     if (!pkey)
211         goto end;
212 
213     if (!noout) {
214         if (outformat == FORMAT_PEM) {
215             if (pubout)
216                 PEM_write_bio_PUBKEY(out, pkey);
217             else
218                 PEM_write_bio_PrivateKey(out, pkey, cipher,
219                                          NULL, 0, NULL, passout);
220         } else if (outformat == FORMAT_ASN1) {
221             if (pubout)
222                 i2d_PUBKEY_bio(out, pkey);
223             else
224                 i2d_PrivateKey_bio(out, pkey);
225         } else {
226             BIO_printf(bio_err, "Bad format specified for key\n");
227             goto end;
228         }
229 
230     }
231 
232     if (text) {
233         if (pubtext)
234             EVP_PKEY_print_public(out, pkey, 0, NULL);
235         else
236             EVP_PKEY_print_private(out, pkey, 0, NULL);
237     }
238 
239     ret = 0;
240 
241  end:
242     EVP_PKEY_free(pkey);
243     BIO_free_all(out);
244     BIO_free(in);
245     if (passin)
246         OPENSSL_free(passin);
247     if (passout)
248         OPENSSL_free(passout);
249 
250     return ret;
251 }
252