Fix protocol downgrade bug in case of fragmented packets
[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 <stdlib.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 #include <openssl/pkcs12.h>
66
67 #define PROG pkcs8_main
68
69 int MAIN(int, char **);
70
71 int MAIN(int argc, char **argv)
72         {
73         ENGINE *e = NULL;
74         char **args, *infile = NULL, *outfile = NULL;
75         char *passargin = NULL, *passargout = NULL;
76         BIO *in = NULL, *out = NULL;
77         int topk8 = 0;
78         int pbe_nid = -1;
79         const EVP_CIPHER *cipher = NULL;
80         int iter = PKCS12_DEFAULT_ITER;
81         int informat, outformat;
82         int p8_broken = PKCS8_OK;
83         int nocrypt = 0;
84         X509_SIG *p8 = NULL;
85         PKCS8_PRIV_KEY_INFO *p8inf = NULL;
86         EVP_PKEY *pkey=NULL;
87         char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL;
88         int badarg = 0;
89         int ret = 1;
90 #ifndef OPENSSL_NO_ENGINE
91         char *engine=NULL;
92 #endif
93
94         if (bio_err == NULL) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
95
96         if (!load_config(bio_err, NULL))
97                 goto end;
98
99         informat=FORMAT_PEM;
100         outformat=FORMAT_PEM;
101
102         ERR_load_crypto_strings();
103         OpenSSL_add_all_algorithms();
104         args = argv + 1;
105         while (!badarg && *args && *args[0] == '-')
106                 {
107                 if (!strcmp(*args,"-v2"))
108                         {
109                         if (args[1])
110                                 {
111                                 args++;
112                                 cipher=EVP_get_cipherbyname(*args);
113                                 if (!cipher)
114                                         {
115                                         BIO_printf(bio_err,
116                                                  "Unknown cipher %s\n", *args);
117                                         badarg = 1;
118                                         }
119                                 }
120                         else
121                                 badarg = 1;
122                         }
123                 else if (!strcmp(*args,"-v1"))
124                         {
125                         if (args[1])
126                                 {
127                                 args++;
128                                 pbe_nid=OBJ_txt2nid(*args);
129                                 if (pbe_nid == NID_undef)
130                                         {
131                                         BIO_printf(bio_err,
132                                                  "Unknown PBE algorithm %s\n", *args);
133                                         badarg = 1;
134                                         }
135                                 }
136                         else
137                                 badarg = 1;
138                         }
139                 else if (!strcmp(*args,"-v2prf"))
140                         {
141                         if (args[1])
142                                 {
143                                 args++;
144                                 pbe_nid=OBJ_txt2nid(*args);
145                                 if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0))
146                                         {
147                                         BIO_printf(bio_err,
148                                                  "Unknown PRF algorithm %s\n", *args);
149                                         badarg = 1;
150                                         }
151                                 }
152                         else
153                                 badarg = 1;
154                         }
155                 else if (!strcmp(*args,"-inform"))
156                         {
157                         if (args[1])
158                                 {
159                                 args++;
160                                 informat=str2fmt(*args);
161                                 }
162                         else badarg = 1;
163                         }
164                 else if (!strcmp(*args,"-outform"))
165                         {
166                         if (args[1])
167                                 {
168                                 args++;
169                                 outformat=str2fmt(*args);
170                                 }
171                         else badarg = 1;
172                         }
173                 else if (!strcmp (*args, "-topk8"))
174                         topk8 = 1;
175                 else if (!strcmp (*args, "-noiter"))
176                         iter = 1;
177                 else if (!strcmp (*args, "-iter"))
178                         {
179                         if (args[1])
180                                 {
181                                 iter = atoi(*(++args));
182                                 if (iter <= 0) badarg = 1;
183                                 }
184                         else badarg = 1;
185                         }
186                 else if (!strcmp (*args, "-nocrypt"))
187                         nocrypt = 1;
188                 else if (!strcmp (*args, "-nooct"))
189                         p8_broken = PKCS8_NO_OCTET;
190                 else if (!strcmp (*args, "-nsdb"))
191                         p8_broken = PKCS8_NS_DB;
192                 else if (!strcmp (*args, "-embed"))
193                         p8_broken = PKCS8_EMBEDDED_PARAM;
194                 else if (!strcmp(*args,"-passin"))
195                         {
196                         if (args[1])
197                                 passargin= *(++args);
198                         else badarg = 1;
199                         }
200                 else if (!strcmp(*args,"-passout"))
201                         {
202                         if (args[1])
203                                 passargout= *(++args);
204                         else badarg = 1;
205                         }
206 #ifndef OPENSSL_NO_ENGINE
207                 else if (strcmp(*args,"-engine") == 0)
208                         {
209                         if (args[1])
210                                 engine= *(++args);
211                         else badarg = 1;
212                         }
213 #endif
214                 else if (!strcmp (*args, "-in"))
215                         {
216                         if (args[1])
217                                 {
218                                 args++;
219                                 infile = *args;
220                                 }
221                         else badarg = 1;
222                         }
223                 else if (!strcmp (*args, "-out"))
224                         {
225                         if (args[1])
226                                 {
227                                 args++;
228                                 outfile = *args;
229                                 }
230                         else badarg = 1;
231                         }
232                 else badarg = 1;
233                 args++;
234                 }
235
236         if (badarg)
237                 {
238                 BIO_printf(bio_err, "Usage pkcs8 [options]\n");
239                 BIO_printf(bio_err, "where options are\n");
240                 BIO_printf(bio_err, "-in file        input file\n");
241                 BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
242                 BIO_printf(bio_err, "-passin arg     input file pass phrase source\n");
243                 BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
244                 BIO_printf(bio_err, "-out file       output file\n");
245                 BIO_printf(bio_err, "-passout arg    output file pass phrase source\n");
246                 BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
247                 BIO_printf(bio_err, "-nooct          use (nonstandard) no octet format\n");
248                 BIO_printf(bio_err, "-embed          use (nonstandard) embedded DSA parameters format\n");
249                 BIO_printf(bio_err, "-nsdb           use (nonstandard) DSA Netscape DB format\n");
250                 BIO_printf(bio_err, "-iter count     use count as iteration count\n");
251                 BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
252                 BIO_printf(bio_err, "-nocrypt        use or expect unencrypted private key\n");
253                 BIO_printf(bio_err, "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
254                 BIO_printf(bio_err, "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
255 #ifndef OPENSSL_NO_ENGINE
256                 BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
257 #endif
258                 goto end;
259                 }
260
261 #ifndef OPENSSL_NO_ENGINE
262         e = setup_engine(bio_err, engine, 0);
263 #endif
264
265         if (!app_passwd(bio_err, passargin, passargout, &passin, &passout))
266                 {
267                 BIO_printf(bio_err, "Error getting passwords\n");
268                 goto end;
269                 }
270
271         if ((pbe_nid == -1) && !cipher)
272                 pbe_nid = NID_pbeWithMD5AndDES_CBC;
273
274         if (infile)
275                 {
276                 if (!(in = BIO_new_file(infile, "rb")))
277                         {
278                         BIO_printf(bio_err,
279                                  "Can't open input file %s\n", infile);
280                         goto end;
281                         }
282                 }
283         else
284                 in = BIO_new_fp (stdin, BIO_NOCLOSE);
285
286         if (outfile)
287                 {
288                 if (!(out = BIO_new_file (outfile, "wb")))
289                         {
290                         BIO_printf(bio_err,
291                                  "Can't open output file %s\n", outfile);
292                         goto end;
293                         }
294                 }
295         else
296                 {
297                 out = BIO_new_fp (stdout, BIO_NOCLOSE);
298 #ifdef OPENSSL_SYS_VMS
299                         {
300                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
301                         out = BIO_push(tmpbio, out);
302                         }
303 #endif
304                 }
305         if (topk8)
306                 {
307                 pkey = load_key(bio_err, infile, informat, 1,
308                         passin, e, "key");
309                 if (!pkey)
310                         goto end;
311                 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken)))
312                         {
313                         BIO_printf(bio_err, "Error converting key\n");
314                         ERR_print_errors(bio_err);
315                         goto end;
316                         }
317                 if (nocrypt)
318                         {
319                         if (outformat == FORMAT_PEM) 
320                                 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
321                         else if (outformat == FORMAT_ASN1)
322                                 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
323                         else
324                                 {
325                                 BIO_printf(bio_err, "Bad format specified for key\n");
326                                 goto end;
327                                 }
328                         }
329                 else
330                         {
331                         if (passout)
332                                 p8pass = passout;
333                         else
334                                 {
335                                 p8pass = pass;
336                                 if (EVP_read_pw_string(pass, sizeof pass, "Enter Encryption Password:", 1))
337                                         goto end;
338                                 }
339                         app_RAND_load_file(NULL, bio_err, 0);
340                         if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
341                                         p8pass, strlen(p8pass),
342                                         NULL, 0, iter, p8inf)))
343                                 {
344                                 BIO_printf(bio_err, "Error encrypting key\n");
345                                 ERR_print_errors(bio_err);
346                                 goto end;
347                                 }
348                         app_RAND_write_file(NULL, bio_err);
349                         if (outformat == FORMAT_PEM) 
350                                 PEM_write_bio_PKCS8(out, p8);
351                         else if (outformat == FORMAT_ASN1)
352                                 i2d_PKCS8_bio(out, p8);
353                         else
354                                 {
355                                 BIO_printf(bio_err, "Bad format specified for key\n");
356                                 goto end;
357                                 }
358                         }
359
360                 ret = 0;
361                 goto end;
362                 }
363
364         if (nocrypt)
365                 {
366                 if (informat == FORMAT_PEM) 
367                         p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL);
368                 else if (informat == FORMAT_ASN1)
369                         p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
370                 else
371                         {
372                         BIO_printf(bio_err, "Bad format specified for key\n");
373                         goto end;
374                         }
375                 }
376         else
377                 {
378                 if (informat == FORMAT_PEM) 
379                         p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
380                 else if (informat == FORMAT_ASN1)
381                         p8 = d2i_PKCS8_bio(in, NULL);
382                 else
383                         {
384                         BIO_printf(bio_err, "Bad format specified for key\n");
385                         goto end;
386                         }
387
388                 if (!p8)
389                         {
390                         BIO_printf (bio_err, "Error reading key\n");
391                         ERR_print_errors(bio_err);
392                         goto end;
393                         }
394                 if (passin)
395                         p8pass = passin;
396                 else
397                         {
398                         p8pass = pass;
399                         EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0);
400                         }
401                 p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
402                 }
403
404         if (!p8inf)
405                 {
406                 BIO_printf(bio_err, "Error decrypting key\n");
407                 ERR_print_errors(bio_err);
408                 goto end;
409                 }
410
411         if (!(pkey = EVP_PKCS82PKEY(p8inf)))
412                 {
413                 BIO_printf(bio_err, "Error converting key\n");
414                 ERR_print_errors(bio_err);
415                 goto end;
416                 }
417         
418         if (p8inf->broken)
419                 {
420                 BIO_printf(bio_err, "Warning: broken key encoding: ");
421                 switch (p8inf->broken)
422                         {
423                         case PKCS8_NO_OCTET:
424                         BIO_printf(bio_err, "No Octet String in PrivateKey\n");
425                         break;
426
427                         case PKCS8_EMBEDDED_PARAM:
428                         BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
429                         break;
430
431                         case PKCS8_NS_DB:
432                         BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
433                         break;
434
435                         case PKCS8_NEG_PRIVKEY:
436                         BIO_printf(bio_err, "DSA private key value is negative\n");
437                         break;
438
439                         default:
440                         BIO_printf(bio_err, "Unknown broken type\n");
441                         break;
442                 }
443         }
444         
445         if (outformat == FORMAT_PEM) 
446                 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
447         else if (outformat == FORMAT_ASN1)
448                 i2d_PrivateKey_bio(out, pkey);
449         else
450                 {
451                 BIO_printf(bio_err, "Bad format specified for key\n");
452                         goto end;
453                 }
454         ret = 0;
455
456         end:
457         X509_SIG_free(p8);
458         PKCS8_PRIV_KEY_INFO_free(p8inf);
459         EVP_PKEY_free(pkey);
460         BIO_free_all(out);
461         BIO_free(in);
462         if (passin)
463                 OPENSSL_free(passin);
464         if (passout)
465                 OPENSSL_free(passout);
466
467         return ret;
468         }