be1e0c177ef220bcf1702c059ed602a9f9024d45
[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
70 int MAIN(int argc, char **argv)
71 {
72         char **args, *infile = NULL, *outfile = NULL;
73         BIO *in = NULL, *out = NULL;
74         int topk8 = 0;
75         int pbe_nid = -1;
76         const EVP_CIPHER *cipher = NULL;
77         int iter = PKCS12_DEFAULT_ITER;
78         int informat, outformat;
79         int p8_broken = PKCS8_OK;
80         int nocrypt = 0;
81         X509_SIG *p8;
82         PKCS8_PRIV_KEY_INFO *p8inf;
83         EVP_PKEY *pkey;
84         char pass[50], *passin = NULL, *passout = NULL;
85         int badarg = 0;
86         if (bio_err == NULL) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
87         informat=FORMAT_PEM;
88         outformat=FORMAT_PEM;
89         ERR_load_crypto_strings();
90         OpenSSL_add_all_algorithms();
91         args = argv + 1;
92         while (!badarg && *args && *args[0] == '-') {
93                 if (!strcmp(*args,"-v2")) {
94                         if (args[1]) {
95                                 args++;
96                                 cipher=EVP_get_cipherbyname(*args);
97                                 if(!cipher) {
98                                         BIO_printf(bio_err,
99                                                  "Unknown cipher %s\n", *args);
100                                         badarg = 1;
101                                 }
102                         } else badarg = 1;
103                 } else if (!strcmp(*args,"-v1")) {
104                         if (args[1]) {
105                                 args++;
106                                 pbe_nid=OBJ_txt2nid(*args);
107                                 if(pbe_nid == NID_undef) {
108                                         BIO_printf(bio_err,
109                                                  "Unknown PBE algorithm %s\n", *args);
110                                         badarg = 1;
111                                 }
112                         } else badarg = 1;
113                 } else if (!strcmp(*args,"-inform")) {
114                         if (args[1]) {
115                                 args++;
116                                 informat=str2fmt(*args);
117                         } else badarg = 1;
118                 } else if (!strcmp(*args,"-outform")) {
119                         if (args[1]) {
120                                 args++;
121                                 outformat=str2fmt(*args);
122                         } else badarg = 1;
123                 } else if (!strcmp (*args, "-topk8")) topk8 = 1;
124                 else if (!strcmp (*args, "-noiter")) iter = 1;
125                 else if (!strcmp (*args, "-nocrypt")) nocrypt = 1;
126                 else if (!strcmp (*args, "-nooct")) p8_broken = PKCS8_NO_OCTET;
127                 else if (!strcmp (*args, "-nsdb")) p8_broken = PKCS8_NS_DB;
128                 else if (!strcmp (*args, "-embed")) p8_broken = PKCS8_EMBEDDED_PARAM;
129                 else if (!strcmp(*args,"-passin"))
130                         {
131                         if (!args[1]) goto bad;
132                         passin= *(++args);
133                         }
134                 else if (!strcmp(*args,"-envpassin"))
135                         {
136                         if (!args[1]) goto bad;
137                         if(!(passin= getenv(*(++args))))
138                                 {
139                                 BIO_printf(bio_err,
140                                  "Can't read environment variable %s\n",
141                                                                 *args);
142                                 badarg = 1;
143                                 }
144                         }
145                 else if (strcmp(*args,"-envpassout") == 0)
146                         {
147                         if (!args[1]) goto bad;
148                         if(!(passout= getenv(*(++args))))
149                                 {
150                                 BIO_printf(bio_err,
151                                  "Can't read environment variable %s\n",
152                                                                 *args);
153                                 badarg = 1;
154                                 }
155                         }
156                 else if (!strcmp(*args,"-passout"))
157                         {
158                         if (!args[1]) goto bad;
159                         passout= *(++args);
160                         }
161                 else if (!strcmp (*args, "-in")) {
162                         if (args[1]) {
163                                 args++;
164                                 infile = *args;
165                         } else badarg = 1;
166                 } else if (!strcmp (*args, "-out")) {
167                         if (args[1]) {
168                                 args++;
169                                 outfile = *args;
170                         } else badarg = 1;
171                 } else badarg = 1;
172                 args++;
173         }
174
175         if (badarg) {
176                 bad:
177                 BIO_printf(bio_err, "Usage pkcs8 [options]\n");
178                 BIO_printf(bio_err, "where options are\n");
179                 BIO_printf(bio_err, "-in file   input file\n");
180                 BIO_printf(bio_err, "-inform X  input format (DER or PEM)\n");
181                 BIO_printf(bio_err, "-passin arg     input file pass phrase\n");
182                 BIO_printf(bio_err, "-envpassin arg  environment variable containing input file pass phrase\n");
183                 BIO_printf(bio_err, "-outform X output format (DER or PEM)\n");
184                 BIO_printf(bio_err, "-out file  output file\n");
185                 BIO_printf(bio_err, "-passout arg    input file pass phrase\n");
186                 BIO_printf(bio_err, "-envpassout arg environment variable containing input file pass phrase\n");
187                 BIO_printf(bio_err, "-topk8     output PKCS8 file\n");
188                 BIO_printf(bio_err, "-nooct     use (nonstandard) no octet format\n");
189                 BIO_printf(bio_err, "-embed     use (nonstandard) embedded DSA parameters format\n");
190                 BIO_printf(bio_err, "-nsdb      use (nonstandard) DSA Netscape DB format\n");
191                 BIO_printf(bio_err, "-noiter    use 1 as iteration count\n");
192                 BIO_printf(bio_err, "-nocrypt   use or expect unencrypted private key\n");
193                 BIO_printf(bio_err, "-v2 alg    use PKCS#5 v2.0 and cipher \"alg\"\n");
194                 BIO_printf(bio_err, "-v1 obj    use PKCS#5 v1.5 and cipher \"alg\"\n");
195                 return (1);
196         }
197
198         if ((pbe_nid == -1) && !cipher) pbe_nid = NID_pbeWithMD5AndDES_CBC;
199
200         if (infile) {
201                 if (!(in = BIO_new_file(infile, "rb"))) {
202                         BIO_printf(bio_err,
203                                  "Can't open input file %s\n", infile);
204                         return (1);
205                 }
206         } else in = BIO_new_fp (stdin, BIO_NOCLOSE);
207
208         if (outfile) {
209                 if (!(out = BIO_new_file (outfile, "wb"))) {
210                         BIO_printf(bio_err,
211                                  "Can't open output file %s\n", outfile);
212                         return (1);
213                 }
214         } else out = BIO_new_fp (stdout, BIO_NOCLOSE);
215
216         if (topk8) {
217                 if(informat == FORMAT_PEM)
218                         pkey = PEM_read_bio_PrivateKey(in, NULL, PEM_cb, passin);
219                 else if(informat == FORMAT_ASN1)
220                         pkey = d2i_PrivateKey_bio(in, NULL);
221                 else {
222                         BIO_printf(bio_err, "Bad format specified for key\n");
223                         return (1);
224                 }
225                 if (!pkey) {
226                         BIO_printf(bio_err, "Error reading key\n", outfile);
227                         ERR_print_errors(bio_err);
228                         return (1);
229                 }
230                 BIO_free(in);
231                 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) {
232                         BIO_printf(bio_err, "Error converting key\n", outfile);
233                         ERR_print_errors(bio_err);
234                         return (1);
235                 }
236                 if(nocrypt) {
237                         if(outformat == FORMAT_PEM) 
238                                 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
239                         else if(outformat == FORMAT_ASN1)
240                                 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
241                         else {
242                                 BIO_printf(bio_err, "Bad format specified for key\n");
243                                 return (1);
244                         }
245                 } else {
246                         if(!passout) {
247                                 passout = pass;
248                                 EVP_read_pw_string(pass, 50, "Enter Encryption Password:", 1);
249                         }
250                         if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
251                                         passout, strlen(passout),
252                                         NULL, 0, iter, p8inf))) {
253                                 BIO_printf(bio_err, "Error encrypting key\n",
254                                                                  outfile);
255                                 ERR_print_errors(bio_err);
256                                 return (1);
257                         }
258                         if(outformat == FORMAT_PEM) 
259                                 PEM_write_bio_PKCS8(out, p8);
260                         else if(outformat == FORMAT_ASN1)
261                                 i2d_PKCS8_bio(out, p8);
262                         else {
263                                 BIO_printf(bio_err, "Bad format specified for key\n");
264                                 return (1);
265                         }
266                         X509_SIG_free(p8);
267                 }
268                 PKCS8_PRIV_KEY_INFO_free (p8inf);
269                 EVP_PKEY_free(pkey);
270                 BIO_free(out);
271                 return (0);
272         }
273
274         if(nocrypt) {
275                 if(informat == FORMAT_PEM) 
276                         p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL);
277                 else if(informat == FORMAT_ASN1)
278                         p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
279                 else {
280                         BIO_printf(bio_err, "Bad format specified for key\n");
281                         return (1);
282                 }
283         } else {
284                 if(informat == FORMAT_PEM) 
285                         p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
286                 else if(informat == FORMAT_ASN1)
287                         p8 = d2i_PKCS8_bio(in, NULL);
288                 else {
289                         BIO_printf(bio_err, "Bad format specified for key\n");
290                         return (1);
291                 }
292
293                 if (!p8) {
294                         BIO_printf (bio_err, "Error reading key\n", outfile);
295                         ERR_print_errors(bio_err);
296                         return (1);
297                 }
298                 if(!passin) {
299                         passin = pass;
300                         EVP_read_pw_string(pass, 50, "Enter Password:", 0);
301                 }
302                 p8inf = M_PKCS8_decrypt(p8, passin, strlen(passin));
303                 X509_SIG_free(p8);
304         }
305
306         if (!p8inf) {
307                 BIO_printf(bio_err, "Error decrypting key\n", outfile);
308                 ERR_print_errors(bio_err);
309                 return (1);
310         }
311
312         if (!(pkey = EVP_PKCS82PKEY(p8inf))) {
313                 BIO_printf(bio_err, "Error converting key\n", outfile);
314                 ERR_print_errors(bio_err);
315                 return (1);
316         }
317         
318         if (p8inf->broken) {
319                 BIO_printf(bio_err, "Warning: broken key encoding: ");
320                 switch (p8inf->broken) {
321                         case PKCS8_NO_OCTET:
322                         BIO_printf(bio_err, "No Octet String in PrivateKey\n");
323                         break;
324
325                         case PKCS8_EMBEDDED_PARAM:
326                         BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
327                         break;
328
329                         case PKCS8_NS_DB:
330                         BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
331                         break;
332
333                         default:
334                         BIO_printf(bio_err, "Unknown broken type\n");
335                         break;
336                 }
337         }
338         
339         PKCS8_PRIV_KEY_INFO_free(p8inf);
340         if(outformat == FORMAT_PEM) 
341                 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, PEM_cb, passout);
342         else if(outformat == FORMAT_ASN1)
343                 i2d_PrivateKey_bio(out, pkey);
344         else {
345                 BIO_printf(bio_err, "Bad format specified for key\n");
346                         return (1);
347         }
348
349         EVP_PKEY_free(pkey);
350         BIO_free(out);
351         BIO_free(in);
352
353         return (0);
354 }