Add -clrext option to 'x509'
[openssl.git] / apps / pkcs8.c
1 /* pkcs8.c */
2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
3  * project 1999.
4  */
5 /* ====================================================================
6  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer. 
14  *
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
18  *    distribution.
19  *
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/)"
24  *
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.
29  *
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.
33  *
34  * 6. Redistributions of any form whatsoever must retain the following
35  *    acknowledgment:
36  *    "This product includes software developed by the OpenSSL Project
37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38  *
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  * ====================================================================
52  *
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).
56  *
57  */
58 #include <stdio.h>
59 #include <string.h>
60 #include "apps.h"
61 #include <openssl/pem.h>
62 #include <openssl/err.h>
63 #include <openssl/evp.h>
64 #include <openssl/pkcs12.h>
65
66 #include "apps.h"
67 #define PROG pkcs8_main
68
69 int MAIN(int, char **);
70
71 int MAIN(int argc, char **argv)
72 {
73         char **args, *infile = NULL, *outfile = NULL;
74         char *passargin = NULL, *passargout = NULL;
75         BIO *in = NULL, *out = NULL;
76         int topk8 = 0;
77         int pbe_nid = -1;
78         const EVP_CIPHER *cipher = NULL;
79         int iter = PKCS12_DEFAULT_ITER;
80         int informat, outformat;
81         int p8_broken = PKCS8_OK;
82         int nocrypt = 0;
83         X509_SIG *p8;
84         PKCS8_PRIV_KEY_INFO *p8inf;
85         EVP_PKEY *pkey;
86         char pass[50], *passin = NULL, *passout = NULL;
87         int badarg = 0;
88         if (bio_err == NULL) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
89         informat=FORMAT_PEM;
90         outformat=FORMAT_PEM;
91         ERR_load_crypto_strings();
92         OpenSSL_add_all_algorithms();
93         args = argv + 1;
94         while (!badarg && *args && *args[0] == '-') {
95                 if (!strcmp(*args,"-v2")) {
96                         if (args[1]) {
97                                 args++;
98                                 cipher=EVP_get_cipherbyname(*args);
99                                 if(!cipher) {
100                                         BIO_printf(bio_err,
101                                                  "Unknown cipher %s\n", *args);
102                                         badarg = 1;
103                                 }
104                         } else badarg = 1;
105                 } else if (!strcmp(*args,"-v1")) {
106                         if (args[1]) {
107                                 args++;
108                                 pbe_nid=OBJ_txt2nid(*args);
109                                 if(pbe_nid == NID_undef) {
110                                         BIO_printf(bio_err,
111                                                  "Unknown PBE algorithm %s\n", *args);
112                                         badarg = 1;
113                                 }
114                         } else badarg = 1;
115                 } else if (!strcmp(*args,"-inform")) {
116                         if (args[1]) {
117                                 args++;
118                                 informat=str2fmt(*args);
119                         } else badarg = 1;
120                 } else if (!strcmp(*args,"-outform")) {
121                         if (args[1]) {
122                                 args++;
123                                 outformat=str2fmt(*args);
124                         } else badarg = 1;
125                 } else if (!strcmp (*args, "-topk8")) topk8 = 1;
126                 else if (!strcmp (*args, "-noiter")) iter = 1;
127                 else if (!strcmp (*args, "-nocrypt")) nocrypt = 1;
128                 else if (!strcmp (*args, "-nooct")) p8_broken = PKCS8_NO_OCTET;
129                 else if (!strcmp (*args, "-nsdb")) p8_broken = PKCS8_NS_DB;
130                 else if (!strcmp (*args, "-embed")) p8_broken = PKCS8_EMBEDDED_PARAM;
131                 else if (!strcmp(*args,"-passin"))
132                         {
133                         if (!args[1]) goto bad;
134                         passargin= *(++args);
135                         }
136                 else if (!strcmp(*args,"-passout"))
137                         {
138                         if (!args[1]) goto bad;
139                         passargout= *(++args);
140                         }
141                 else if (!strcmp (*args, "-in")) {
142                         if (args[1]) {
143                                 args++;
144                                 infile = *args;
145                         } else badarg = 1;
146                 } else if (!strcmp (*args, "-out")) {
147                         if (args[1]) {
148                                 args++;
149                                 outfile = *args;
150                         } else badarg = 1;
151                 } else badarg = 1;
152                 args++;
153         }
154
155         if (badarg) {
156                 bad:
157                 BIO_printf(bio_err, "Usage pkcs8 [options]\n");
158                 BIO_printf(bio_err, "where options are\n");
159                 BIO_printf(bio_err, "-in file        input file\n");
160                 BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
161                 BIO_printf(bio_err, "-passin arg     input file pass phrase source\n");
162                 BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
163                 BIO_printf(bio_err, "-out file       output file\n");
164                 BIO_printf(bio_err, "-passout arg    output file pass phrase source\n");
165                 BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
166                 BIO_printf(bio_err, "-nooct          use (nonstandard) no octet format\n");
167                 BIO_printf(bio_err, "-embed          use (nonstandard) embedded DSA parameters format\n");
168                 BIO_printf(bio_err, "-nsdb           use (nonstandard) DSA Netscape DB format\n");
169                 BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
170                 BIO_printf(bio_err, "-nocrypt        use or expect unencrypted private key\n");
171                 BIO_printf(bio_err, "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
172                 BIO_printf(bio_err, "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
173                 return (1);
174         }
175
176         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
177                 BIO_printf(bio_err, "Error getting passwords\n");
178                 return (1);
179         }
180
181         if ((pbe_nid == -1) && !cipher) pbe_nid = NID_pbeWithMD5AndDES_CBC;
182
183         if (infile) {
184                 if (!(in = BIO_new_file(infile, "rb"))) {
185                         BIO_printf(bio_err,
186                                  "Can't open input file %s\n", infile);
187                         return (1);
188                 }
189         } else in = BIO_new_fp (stdin, BIO_NOCLOSE);
190
191         if (outfile) {
192                 if (!(out = BIO_new_file (outfile, "wb"))) {
193                         BIO_printf(bio_err,
194                                  "Can't open output file %s\n", outfile);
195                         return (1);
196                 }
197         } else out = BIO_new_fp (stdout, BIO_NOCLOSE);
198
199         if (topk8) {
200                 if(informat == FORMAT_PEM)
201                         pkey = PEM_read_bio_PrivateKey(in, NULL, NULL, passin);
202                 else if(informat == FORMAT_ASN1)
203                         pkey = d2i_PrivateKey_bio(in, NULL);
204                 else {
205                         BIO_printf(bio_err, "Bad format specified for key\n");
206                         return (1);
207                 }
208                 if (!pkey) {
209                         BIO_printf(bio_err, "Error reading key\n", outfile);
210                         ERR_print_errors(bio_err);
211                         return (1);
212                 }
213                 BIO_free(in);
214                 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) {
215                         BIO_printf(bio_err, "Error converting key\n", outfile);
216                         ERR_print_errors(bio_err);
217                         return (1);
218                 }
219                 if(nocrypt) {
220                         if(outformat == FORMAT_PEM) 
221                                 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
222                         else if(outformat == FORMAT_ASN1)
223                                 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
224                         else {
225                                 BIO_printf(bio_err, "Bad format specified for key\n");
226                                 return (1);
227                         }
228                 } else {
229                         if(!passout) {
230                                 passout = pass;
231                                 EVP_read_pw_string(pass, 50, "Enter Encryption Password:", 1);
232                         }
233                         if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
234                                         passout, strlen(passout),
235                                         NULL, 0, iter, p8inf))) {
236                                 BIO_printf(bio_err, "Error encrypting key\n",
237                                                                  outfile);
238                                 ERR_print_errors(bio_err);
239                                 return (1);
240                         }
241                         if(outformat == FORMAT_PEM) 
242                                 PEM_write_bio_PKCS8(out, p8);
243                         else if(outformat == FORMAT_ASN1)
244                                 i2d_PKCS8_bio(out, p8);
245                         else {
246                                 BIO_printf(bio_err, "Bad format specified for key\n");
247                                 return (1);
248                         }
249                         X509_SIG_free(p8);
250                 }
251                 PKCS8_PRIV_KEY_INFO_free (p8inf);
252                 EVP_PKEY_free(pkey);
253                 BIO_free(out);
254                 return (0);
255         }
256
257         if(nocrypt) {
258                 if(informat == FORMAT_PEM) 
259                         p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL);
260                 else if(informat == FORMAT_ASN1)
261                         p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
262                 else {
263                         BIO_printf(bio_err, "Bad format specified for key\n");
264                         return (1);
265                 }
266         } else {
267                 if(informat == FORMAT_PEM) 
268                         p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
269                 else if(informat == FORMAT_ASN1)
270                         p8 = d2i_PKCS8_bio(in, NULL);
271                 else {
272                         BIO_printf(bio_err, "Bad format specified for key\n");
273                         return (1);
274                 }
275
276                 if (!p8) {
277                         BIO_printf (bio_err, "Error reading key\n", outfile);
278                         ERR_print_errors(bio_err);
279                         return (1);
280                 }
281                 if(!passin) {
282                         passin = pass;
283                         EVP_read_pw_string(pass, 50, "Enter Password:", 0);
284                 }
285                 p8inf = M_PKCS8_decrypt(p8, passin, strlen(passin));
286                 X509_SIG_free(p8);
287         }
288
289         if (!p8inf) {
290                 BIO_printf(bio_err, "Error decrypting key\n", outfile);
291                 ERR_print_errors(bio_err);
292                 return (1);
293         }
294
295         if (!(pkey = EVP_PKCS82PKEY(p8inf))) {
296                 BIO_printf(bio_err, "Error converting key\n", outfile);
297                 ERR_print_errors(bio_err);
298                 return (1);
299         }
300         
301         if (p8inf->broken) {
302                 BIO_printf(bio_err, "Warning: broken key encoding: ");
303                 switch (p8inf->broken) {
304                         case PKCS8_NO_OCTET:
305                         BIO_printf(bio_err, "No Octet String in PrivateKey\n");
306                         break;
307
308                         case PKCS8_EMBEDDED_PARAM:
309                         BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
310                         break;
311
312                         case PKCS8_NS_DB:
313                         BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
314                         break;
315
316                         default:
317                         BIO_printf(bio_err, "Unknown broken type\n");
318                         break;
319                 }
320         }
321         
322         PKCS8_PRIV_KEY_INFO_free(p8inf);
323         if(outformat == FORMAT_PEM) 
324                 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
325         else if(outformat == FORMAT_ASN1)
326                 i2d_PrivateKey_bio(out, pkey);
327         else {
328                 BIO_printf(bio_err, "Bad format specified for key\n");
329                         return (1);
330         }
331
332         EVP_PKEY_free(pkey);
333         BIO_free(out);
334         BIO_free(in);
335         if(passin) Free(passin);
336         if(passout) Free(passout);
337
338         return (0);
339 }