RFC 3161 compliant time stamp request creation, response generation
[openssl.git] / apps / pkcs8.c
1 /* pkcs8.c */
2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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;
84         PKCS8_PRIV_KEY_INFO *p8inf;
85         EVP_PKEY *pkey=NULL;
86         char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL;
87         int badarg = 0;
88 #ifndef OPENSSL_NO_ENGINE
89         char *engine=NULL;
90 #endif
91
92         if (bio_err == NULL) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
93
94         if (!load_config(bio_err, NULL))
95                 goto end;
96
97         informat=FORMAT_PEM;
98         outformat=FORMAT_PEM;
99
100         ERR_load_crypto_strings();
101         OpenSSL_add_all_algorithms();
102         args = argv + 1;
103         while (!badarg && *args && *args[0] == '-')
104                 {
105                 if (!strcmp(*args,"-v2"))
106                         {
107                         if (args[1])
108                                 {
109                                 args++;
110                                 cipher=EVP_get_cipherbyname(*args);
111                                 if (!cipher)
112                                         {
113                                         BIO_printf(bio_err,
114                                                  "Unknown cipher %s\n", *args);
115                                         badarg = 1;
116                                         }
117                                 }
118                         else
119                                 badarg = 1;
120                         }
121                 else if (!strcmp(*args,"-v1"))
122                         {
123                         if (args[1])
124                                 {
125                                 args++;
126                                 pbe_nid=OBJ_txt2nid(*args);
127                                 if (pbe_nid == NID_undef)
128                                         {
129                                         BIO_printf(bio_err,
130                                                  "Unknown PBE algorithm %s\n", *args);
131                                         badarg = 1;
132                                         }
133                                 }
134                         else
135                                 badarg = 1;
136                         }
137                 else if (!strcmp(*args,"-inform"))
138                         {
139                         if (args[1])
140                                 {
141                                 args++;
142                                 informat=str2fmt(*args);
143                                 }
144                         else badarg = 1;
145                         }
146                 else if (!strcmp(*args,"-outform"))
147                         {
148                         if (args[1])
149                                 {
150                                 args++;
151                                 outformat=str2fmt(*args);
152                                 }
153                         else badarg = 1;
154                         }
155                 else if (!strcmp (*args, "-topk8"))
156                         topk8 = 1;
157                 else if (!strcmp (*args, "-noiter"))
158                         iter = 1;
159                 else if (!strcmp (*args, "-nocrypt"))
160                         nocrypt = 1;
161                 else if (!strcmp (*args, "-nooct"))
162                         p8_broken = PKCS8_NO_OCTET;
163                 else if (!strcmp (*args, "-nsdb"))
164                         p8_broken = PKCS8_NS_DB;
165                 else if (!strcmp (*args, "-embed"))
166                         p8_broken = PKCS8_EMBEDDED_PARAM;
167                 else if (!strcmp(*args,"-passin"))
168                         {
169                         if (!args[1]) goto bad;
170                         passargin= *(++args);
171                         }
172                 else if (!strcmp(*args,"-passout"))
173                         {
174                         if (!args[1]) goto bad;
175                         passargout= *(++args);
176                         }
177 #ifndef OPENSSL_NO_ENGINE
178                 else if (strcmp(*args,"-engine") == 0)
179                         {
180                         if (!args[1]) goto bad;
181                         engine= *(++args);
182                         }
183 #endif
184                 else if (!strcmp (*args, "-in"))
185                         {
186                         if (args[1])
187                                 {
188                                 args++;
189                                 infile = *args;
190                                 }
191                         else badarg = 1;
192                         }
193                 else if (!strcmp (*args, "-out"))
194                         {
195                         if (args[1])
196                                 {
197                                 args++;
198                                 outfile = *args;
199                                 }
200                         else badarg = 1;
201                         }
202                 else badarg = 1;
203                 args++;
204                 }
205
206         if (badarg)
207                 {
208                 bad:
209                 BIO_printf(bio_err, "Usage pkcs8 [options]\n");
210                 BIO_printf(bio_err, "where options are\n");
211                 BIO_printf(bio_err, "-in file        input file\n");
212                 BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
213                 BIO_printf(bio_err, "-passin arg     input file pass phrase source\n");
214                 BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
215                 BIO_printf(bio_err, "-out file       output file\n");
216                 BIO_printf(bio_err, "-passout arg    output file pass phrase source\n");
217                 BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
218                 BIO_printf(bio_err, "-nooct          use (nonstandard) no octet format\n");
219                 BIO_printf(bio_err, "-embed          use (nonstandard) embedded DSA parameters format\n");
220                 BIO_printf(bio_err, "-nsdb           use (nonstandard) DSA Netscape DB format\n");
221                 BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
222                 BIO_printf(bio_err, "-nocrypt        use or expect unencrypted private key\n");
223                 BIO_printf(bio_err, "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
224                 BIO_printf(bio_err, "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
225 #ifndef OPENSSL_NO_ENGINE
226                 BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
227 #endif
228                 return 1;
229                 }
230
231 #ifndef OPENSSL_NO_ENGINE
232         e = setup_engine(bio_err, engine, 0);
233 #endif
234
235         if (!app_passwd(bio_err, passargin, passargout, &passin, &passout))
236                 {
237                 BIO_printf(bio_err, "Error getting passwords\n");
238                 return 1;
239                 }
240
241         if ((pbe_nid == -1) && !cipher)
242                 pbe_nid = NID_pbeWithMD5AndDES_CBC;
243
244         if (infile)
245                 {
246                 if (!(in = BIO_new_file(infile, "rb")))
247                         {
248                         BIO_printf(bio_err,
249                                  "Can't open input file %s\n", infile);
250                         return (1);
251                         }
252                 }
253         else
254                 in = BIO_new_fp (stdin, BIO_NOCLOSE);
255
256         if (outfile)
257                 {
258                 if (!(out = BIO_new_file (outfile, "wb")))
259                         {
260                         BIO_printf(bio_err,
261                                  "Can't open output file %s\n", outfile);
262                         return (1);
263                         }
264                 }
265         else
266                 {
267                 out = BIO_new_fp (stdout, BIO_NOCLOSE);
268 #ifdef OPENSSL_SYS_VMS
269                         {
270                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
271                         out = BIO_push(tmpbio, out);
272                         }
273 #endif
274                 }
275         if (topk8)
276                 {
277                 BIO_free(in); /* Not needed in this section */
278                 pkey = load_key(bio_err, infile, informat, 1,
279                         passin, e, "key");
280                 if (!pkey)
281                         {
282                         BIO_free_all(out);
283                         return 1;
284                         }
285                 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken)))
286                         {
287                         BIO_printf(bio_err, "Error converting key\n");
288                         ERR_print_errors(bio_err);
289                         EVP_PKEY_free(pkey);
290                         BIO_free_all(out);
291                         return 1;
292                         }
293                 if (nocrypt)
294                         {
295                         if (outformat == FORMAT_PEM) 
296                                 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
297                         else if (outformat == FORMAT_ASN1)
298                                 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
299                         else
300                                 {
301                                 BIO_printf(bio_err, "Bad format specified for key\n");
302                                 PKCS8_PRIV_KEY_INFO_free(p8inf);
303                                 EVP_PKEY_free(pkey);
304                                 BIO_free_all(out);
305                                 return (1);
306                                 }
307                         }
308                 else
309                         {
310                         if (passout)
311                                 p8pass = passout;
312                         else
313                                 {
314                                 p8pass = pass;
315                                 if (EVP_read_pw_string(pass, sizeof pass, "Enter Encryption Password:", 1))
316                                         {
317                                         PKCS8_PRIV_KEY_INFO_free(p8inf);
318                                         EVP_PKEY_free(pkey);
319                                         BIO_free_all(out);
320                                         return (1);
321                                         }
322                                 }
323                         app_RAND_load_file(NULL, bio_err, 0);
324                         if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
325                                         p8pass, strlen(p8pass),
326                                         NULL, 0, iter, p8inf)))
327                                 {
328                                 BIO_printf(bio_err, "Error encrypting key\n");
329                                 ERR_print_errors(bio_err);
330                                 PKCS8_PRIV_KEY_INFO_free(p8inf);
331                                 EVP_PKEY_free(pkey);
332                                 BIO_free_all(out);
333                                 return (1);
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                                 PKCS8_PRIV_KEY_INFO_free(p8inf);
344                                 EVP_PKEY_free(pkey);
345                                 BIO_free_all(out);
346                                 return (1);
347                                 }
348                         X509_SIG_free(p8);
349                         }
350
351                 PKCS8_PRIV_KEY_INFO_free (p8inf);
352                 EVP_PKEY_free(pkey);
353                 BIO_free_all(out);
354                 if (passin)
355                         OPENSSL_free(passin);
356                 if (passout)
357                         OPENSSL_free(passout);
358                 return (0);
359                 }
360
361         if (nocrypt)
362                 {
363                 if (informat == FORMAT_PEM) 
364                         p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL);
365                 else if (informat == FORMAT_ASN1)
366                         p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
367                 else
368                         {
369                         BIO_printf(bio_err, "Bad format specified for key\n");
370                         return (1);
371                         }
372                 }
373         else
374                 {
375                 if (informat == FORMAT_PEM) 
376                         p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
377                 else if (informat == FORMAT_ASN1)
378                         p8 = d2i_PKCS8_bio(in, NULL);
379                 else
380                         {
381                         BIO_printf(bio_err, "Bad format specified for key\n");
382                         return (1);
383                         }
384
385                 if (!p8)
386                         {
387                         BIO_printf (bio_err, "Error reading key\n");
388                         ERR_print_errors(bio_err);
389                         return (1);
390                         }
391                 if (passin)
392                         p8pass = passin;
393                 else
394                         {
395                         p8pass = pass;
396                         EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0);
397                         }
398                 p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
399                 X509_SIG_free(p8);
400                 }
401
402         if (!p8inf)
403                 {
404                 BIO_printf(bio_err, "Error decrypting key\n");
405                 ERR_print_errors(bio_err);
406                 return (1);
407                 }
408
409         if (!(pkey = EVP_PKCS82PKEY(p8inf)))
410                 {
411                 BIO_printf(bio_err, "Error converting key\n");
412                 ERR_print_errors(bio_err);
413                 return (1);
414                 }
415         
416         if (p8inf->broken)
417                 {
418                 BIO_printf(bio_err, "Warning: broken key encoding: ");
419                 switch (p8inf->broken)
420                         {
421                         case PKCS8_NO_OCTET:
422                         BIO_printf(bio_err, "No Octet String in PrivateKey\n");
423                         break;
424
425                         case PKCS8_EMBEDDED_PARAM:
426                         BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
427                         break;
428
429                         case PKCS8_NS_DB:
430                         BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
431                         break;
432
433                         default:
434                         BIO_printf(bio_err, "Unknown broken type\n");
435                         break;
436                 }
437         }
438         
439         PKCS8_PRIV_KEY_INFO_free(p8inf);
440         if (outformat == FORMAT_PEM) 
441                 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
442         else if (outformat == FORMAT_ASN1)
443                 i2d_PrivateKey_bio(out, pkey);
444         else
445                 {
446                 BIO_printf(bio_err, "Bad format specified for key\n");
447                         return (1);
448                 }
449
450         end:
451         EVP_PKEY_free(pkey);
452         BIO_free_all(out);
453         BIO_free(in);
454         if (passin)
455                 OPENSSL_free(passin);
456         if (passout)
457                 OPENSSL_free(passout);
458
459         return (0);
460         }