Workaround for some CMS signature formats.
[openssl.git] / apps / pkcs8.c
1 /* pkcs8.c */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3  * project 1999-2004.
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 #define PROG pkcs8_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         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 = NULL;
84         PKCS8_PRIV_KEY_INFO *p8inf = NULL;
85         EVP_PKEY *pkey=NULL;
86         char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL;
87         int badarg = 0;
88         int ret = 1;
89 #ifndef OPENSSL_NO_ENGINE
90         char *engine=NULL;
91 #endif
92
93         if (bio_err == NULL) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
94
95         if (!load_config(bio_err, NULL))
96                 goto end;
97
98         informat=FORMAT_PEM;
99         outformat=FORMAT_PEM;
100
101         ERR_load_crypto_strings();
102         OpenSSL_add_all_algorithms();
103         args = argv + 1;
104         while (!badarg && *args && *args[0] == '-')
105                 {
106                 if (!strcmp(*args,"-v2"))
107                         {
108                         if (args[1])
109                                 {
110                                 args++;
111                                 cipher=EVP_get_cipherbyname(*args);
112                                 if (!cipher)
113                                         {
114                                         BIO_printf(bio_err,
115                                                  "Unknown cipher %s\n", *args);
116                                         badarg = 1;
117                                         }
118                                 }
119                         else
120                                 badarg = 1;
121                         }
122                 else if (!strcmp(*args,"-v1"))
123                         {
124                         if (args[1])
125                                 {
126                                 args++;
127                                 pbe_nid=OBJ_txt2nid(*args);
128                                 if (pbe_nid == NID_undef)
129                                         {
130                                         BIO_printf(bio_err,
131                                                  "Unknown PBE algorithm %s\n", *args);
132                                         badarg = 1;
133                                         }
134                                 }
135                         else
136                                 badarg = 1;
137                         }
138                 else if (!strcmp(*args,"-v2prf"))
139                         {
140                         if (args[1])
141                                 {
142                                 args++;
143                                 pbe_nid=OBJ_txt2nid(*args);
144                                 if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0))
145                                         {
146                                         BIO_printf(bio_err,
147                                                  "Unknown PRF algorithm %s\n", *args);
148                                         badarg = 1;
149                                         }
150                                 }
151                         else
152                                 badarg = 1;
153                         }
154                 else if (!strcmp(*args,"-inform"))
155                         {
156                         if (args[1])
157                                 {
158                                 args++;
159                                 informat=str2fmt(*args);
160                                 }
161                         else badarg = 1;
162                         }
163                 else if (!strcmp(*args,"-outform"))
164                         {
165                         if (args[1])
166                                 {
167                                 args++;
168                                 outformat=str2fmt(*args);
169                                 }
170                         else badarg = 1;
171                         }
172                 else if (!strcmp (*args, "-topk8"))
173                         topk8 = 1;
174                 else if (!strcmp (*args, "-noiter"))
175                         iter = 1;
176                 else if (!strcmp (*args, "-nocrypt"))
177                         nocrypt = 1;
178                 else if (!strcmp (*args, "-nooct"))
179                         p8_broken = PKCS8_NO_OCTET;
180                 else if (!strcmp (*args, "-nsdb"))
181                         p8_broken = PKCS8_NS_DB;
182                 else if (!strcmp (*args, "-embed"))
183                         p8_broken = PKCS8_EMBEDDED_PARAM;
184                 else if (!strcmp(*args,"-passin"))
185                         {
186                         if (!args[1]) goto bad;
187                         passargin= *(++args);
188                         }
189                 else if (!strcmp(*args,"-passout"))
190                         {
191                         if (!args[1]) goto bad;
192                         passargout= *(++args);
193                         }
194 #ifndef OPENSSL_NO_ENGINE
195                 else if (strcmp(*args,"-engine") == 0)
196                         {
197                         if (!args[1]) goto bad;
198                         engine= *(++args);
199                         }
200 #endif
201                 else if (!strcmp (*args, "-in"))
202                         {
203                         if (args[1])
204                                 {
205                                 args++;
206                                 infile = *args;
207                                 }
208                         else badarg = 1;
209                         }
210                 else if (!strcmp (*args, "-out"))
211                         {
212                         if (args[1])
213                                 {
214                                 args++;
215                                 outfile = *args;
216                                 }
217                         else badarg = 1;
218                         }
219                 else badarg = 1;
220                 args++;
221                 }
222
223         if (badarg)
224                 {
225                 bad:
226                 BIO_printf(bio_err, "Usage pkcs8 [options]\n");
227                 BIO_printf(bio_err, "where options are\n");
228                 BIO_printf(bio_err, "-in file        input file\n");
229                 BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
230                 BIO_printf(bio_err, "-passin arg     input file pass phrase source\n");
231                 BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
232                 BIO_printf(bio_err, "-out file       output file\n");
233                 BIO_printf(bio_err, "-passout arg    output file pass phrase source\n");
234                 BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
235                 BIO_printf(bio_err, "-nooct          use (nonstandard) no octet format\n");
236                 BIO_printf(bio_err, "-embed          use (nonstandard) embedded DSA parameters format\n");
237                 BIO_printf(bio_err, "-nsdb           use (nonstandard) DSA Netscape DB format\n");
238                 BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
239                 BIO_printf(bio_err, "-nocrypt        use or expect unencrypted private key\n");
240                 BIO_printf(bio_err, "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
241                 BIO_printf(bio_err, "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
242 #ifndef OPENSSL_NO_ENGINE
243                 BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
244 #endif
245                 goto end;
246                 }
247
248 #ifndef OPENSSL_NO_ENGINE
249         e = setup_engine(bio_err, engine, 0);
250 #endif
251
252         if (!app_passwd(bio_err, passargin, passargout, &passin, &passout))
253                 {
254                 BIO_printf(bio_err, "Error getting passwords\n");
255                 goto end;
256                 }
257
258         if ((pbe_nid == -1) && !cipher)
259                 pbe_nid = NID_pbeWithMD5AndDES_CBC;
260
261         if (infile)
262                 {
263                 if (!(in = BIO_new_file(infile, "rb")))
264                         {
265                         BIO_printf(bio_err,
266                                  "Can't open input file %s\n", infile);
267                         goto end;
268                         }
269                 }
270         else
271                 in = BIO_new_fp (stdin, BIO_NOCLOSE);
272
273         if (outfile)
274                 {
275                 if (!(out = BIO_new_file (outfile, "wb")))
276                         {
277                         BIO_printf(bio_err,
278                                  "Can't open output file %s\n", outfile);
279                         goto end;
280                         }
281                 }
282         else
283                 {
284                 out = BIO_new_fp (stdout, BIO_NOCLOSE);
285 #ifdef OPENSSL_SYS_VMS
286                         {
287                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
288                         out = BIO_push(tmpbio, out);
289                         }
290 #endif
291                 }
292         if (topk8)
293                 {
294                 pkey = load_key(bio_err, infile, informat, 1,
295                         passin, e, "key");
296                 if (!pkey)
297                         goto end;
298                 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken)))
299                         {
300                         BIO_printf(bio_err, "Error converting key\n");
301                         ERR_print_errors(bio_err);
302                         goto end;
303                         }
304                 if (nocrypt)
305                         {
306                         if (outformat == FORMAT_PEM) 
307                                 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
308                         else if (outformat == FORMAT_ASN1)
309                                 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
310                         else
311                                 {
312                                 BIO_printf(bio_err, "Bad format specified for key\n");
313                                 goto end;
314                                 }
315                         }
316                 else
317                         {
318                         if (passout)
319                                 p8pass = passout;
320                         else
321                                 {
322                                 p8pass = pass;
323                                 if (EVP_read_pw_string(pass, sizeof pass, "Enter Encryption Password:", 1))
324                                         goto end;
325                                 }
326                         app_RAND_load_file(NULL, bio_err, 0);
327                         if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
328                                         p8pass, strlen(p8pass),
329                                         NULL, 0, iter, p8inf)))
330                                 {
331                                 BIO_printf(bio_err, "Error encrypting key\n");
332                                 ERR_print_errors(bio_err);
333                                 goto end;
334                                 }
335                         app_RAND_write_file(NULL, bio_err);
336                         if (outformat == FORMAT_PEM) 
337                                 PEM_write_bio_PKCS8(out, p8);
338                         else if (outformat == FORMAT_ASN1)
339                                 i2d_PKCS8_bio(out, p8);
340                         else
341                                 {
342                                 BIO_printf(bio_err, "Bad format specified for key\n");
343                                 goto end;
344                                 }
345                         }
346
347                 ret = 0;
348                 goto end;
349                 }
350
351         if (nocrypt)
352                 {
353                 if (informat == FORMAT_PEM) 
354                         p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL);
355                 else if (informat == FORMAT_ASN1)
356                         p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
357                 else
358                         {
359                         BIO_printf(bio_err, "Bad format specified for key\n");
360                         goto end;
361                         }
362                 }
363         else
364                 {
365                 if (informat == FORMAT_PEM) 
366                         p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
367                 else if (informat == FORMAT_ASN1)
368                         p8 = d2i_PKCS8_bio(in, NULL);
369                 else
370                         {
371                         BIO_printf(bio_err, "Bad format specified for key\n");
372                         goto end;
373                         }
374
375                 if (!p8)
376                         {
377                         BIO_printf (bio_err, "Error reading key\n");
378                         ERR_print_errors(bio_err);
379                         goto end;
380                         }
381                 if (passin)
382                         p8pass = passin;
383                 else
384                         {
385                         p8pass = pass;
386                         EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0);
387                         }
388                 p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
389                 }
390
391         if (!p8inf)
392                 {
393                 BIO_printf(bio_err, "Error decrypting key\n");
394                 ERR_print_errors(bio_err);
395                 goto end;
396                 }
397
398         if (!(pkey = EVP_PKCS82PKEY(p8inf)))
399                 {
400                 BIO_printf(bio_err, "Error converting key\n");
401                 ERR_print_errors(bio_err);
402                 goto end;
403                 }
404         
405         if (p8inf->broken)
406                 {
407                 BIO_printf(bio_err, "Warning: broken key encoding: ");
408                 switch (p8inf->broken)
409                         {
410                         case PKCS8_NO_OCTET:
411                         BIO_printf(bio_err, "No Octet String in PrivateKey\n");
412                         break;
413
414                         case PKCS8_EMBEDDED_PARAM:
415                         BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
416                         break;
417
418                         case PKCS8_NS_DB:
419                         BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
420                         break;
421
422                         case PKCS8_NEG_PRIVKEY:
423                         BIO_printf(bio_err, "DSA private key value is negative\n");
424                         break;
425
426                         default:
427                         BIO_printf(bio_err, "Unknown broken type\n");
428                         break;
429                 }
430         }
431         
432         if (outformat == FORMAT_PEM) 
433                 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
434         else if (outformat == FORMAT_ASN1)
435                 i2d_PrivateKey_bio(out, pkey);
436         else
437                 {
438                 BIO_printf(bio_err, "Bad format specified for key\n");
439                         goto end;
440                 }
441         ret = 0;
442
443         end:
444         X509_SIG_free(p8);
445         PKCS8_PRIV_KEY_INFO_free(p8inf);
446         EVP_PKEY_free(pkey);
447         BIO_free_all(out);
448         BIO_free(in);
449         if (passin)
450                 OPENSSL_free(passin);
451         if (passout)
452                 OPENSSL_free(passout);
453
454         return ret;
455         }