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,"-inform"))
139 			{
140 			if (args[1])
141 				{
142 				args++;
143 				informat=str2fmt(*args);
144 				}
145 			else badarg = 1;
146 			}
147 		else if (!strcmp(*args,"-outform"))
148 			{
149 			if (args[1])
150 				{
151 				args++;
152 				outformat=str2fmt(*args);
153 				}
154 			else badarg = 1;
155 			}
156 		else if (!strcmp (*args, "-topk8"))
157 			topk8 = 1;
158 		else if (!strcmp (*args, "-noiter"))
159 			iter = 1;
160 		else if (!strcmp (*args, "-nocrypt"))
161 			nocrypt = 1;
162 		else if (!strcmp (*args, "-nooct"))
163 			p8_broken = PKCS8_NO_OCTET;
164 		else if (!strcmp (*args, "-nsdb"))
165 			p8_broken = PKCS8_NS_DB;
166 		else if (!strcmp (*args, "-embed"))
167 			p8_broken = PKCS8_EMBEDDED_PARAM;
168 		else if (!strcmp(*args,"-passin"))
169 			{
170 			if (!args[1]) goto bad;
171 			passargin= *(++args);
172 			}
173 		else if (!strcmp(*args,"-passout"))
174 			{
175 			if (!args[1]) goto bad;
176 			passargout= *(++args);
177 			}
178 #ifndef OPENSSL_NO_ENGINE
179 		else if (strcmp(*args,"-engine") == 0)
180 			{
181 			if (!args[1]) goto bad;
182 			engine= *(++args);
183 			}
184 #endif
185 		else if (!strcmp (*args, "-in"))
186 			{
187 			if (args[1])
188 				{
189 				args++;
190 				infile = *args;
191 				}
192 			else badarg = 1;
193 			}
194 		else if (!strcmp (*args, "-out"))
195 			{
196 			if (args[1])
197 				{
198 				args++;
199 				outfile = *args;
200 				}
201 			else badarg = 1;
202 			}
203 		else badarg = 1;
204 		args++;
205 		}
206 
207 	if (badarg)
208 		{
209 		bad:
210 		BIO_printf(bio_err, "Usage pkcs8 [options]\n");
211 		BIO_printf(bio_err, "where options are\n");
212 		BIO_printf(bio_err, "-in file        input file\n");
213 		BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
214 		BIO_printf(bio_err, "-passin arg     input file pass phrase source\n");
215 		BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
216 		BIO_printf(bio_err, "-out file       output file\n");
217 		BIO_printf(bio_err, "-passout arg    output file pass phrase source\n");
218 		BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
219 		BIO_printf(bio_err, "-nooct          use (nonstandard) no octet format\n");
220 		BIO_printf(bio_err, "-embed          use (nonstandard) embedded DSA parameters format\n");
221 		BIO_printf(bio_err, "-nsdb           use (nonstandard) DSA Netscape DB format\n");
222 		BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
223 		BIO_printf(bio_err, "-nocrypt        use or expect unencrypted private key\n");
224 		BIO_printf(bio_err, "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
225 		BIO_printf(bio_err, "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
226 #ifndef OPENSSL_NO_ENGINE
227 		BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
228 #endif
229 		goto end;
230 		}
231 
232 #ifndef OPENSSL_NO_ENGINE
233         e = setup_engine(bio_err, engine, 0);
234 #endif
235 
236 	if (!app_passwd(bio_err, passargin, passargout, &passin, &passout))
237 		{
238 		BIO_printf(bio_err, "Error getting passwords\n");
239 		goto end;
240 		}
241 
242 	if ((pbe_nid == -1) && !cipher)
243 		pbe_nid = NID_pbeWithMD5AndDES_CBC;
244 
245 	if (infile)
246 		{
247 		if (!(in = BIO_new_file(infile, "rb")))
248 			{
249 			BIO_printf(bio_err,
250 				 "Can't open input file %s\n", infile);
251 			goto end;
252 			}
253 		}
254 	else
255 		in = BIO_new_fp (stdin, BIO_NOCLOSE);
256 
257 	if (outfile)
258 		{
259 		if (!(out = BIO_new_file (outfile, "wb")))
260 			{
261 			BIO_printf(bio_err,
262 				 "Can't open output file %s\n", outfile);
263 			goto end;
264 			}
265 		}
266 	else
267 		{
268 		out = BIO_new_fp (stdout, BIO_NOCLOSE);
269 #ifdef OPENSSL_SYS_VMS
270 			{
271 			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
272 			out = BIO_push(tmpbio, out);
273 			}
274 #endif
275 		}
276 	if (topk8)
277 		{
278 		pkey = load_key(bio_err, infile, informat, 1,
279 			passin, e, "key");
280 		if (!pkey)
281 			goto end;
282 		if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken)))
283 			{
284 			BIO_printf(bio_err, "Error converting key\n");
285 			ERR_print_errors(bio_err);
286 			goto end;
287 			}
288 		if (nocrypt)
289 			{
290 			if (outformat == FORMAT_PEM)
291 				PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
292 			else if (outformat == FORMAT_ASN1)
293 				i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
294 			else
295 				{
296 				BIO_printf(bio_err, "Bad format specified for key\n");
297 				goto end;
298 				}
299 			}
300 		else
301 			{
302 			if (passout)
303 				p8pass = passout;
304 			else
305 				{
306 				p8pass = pass;
307 				if (EVP_read_pw_string(pass, sizeof pass, "Enter Encryption Password:", 1))
308 					goto end;
309 				}
310 			app_RAND_load_file(NULL, bio_err, 0);
311 			if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
312 					p8pass, strlen(p8pass),
313 					NULL, 0, iter, p8inf)))
314 				{
315 				BIO_printf(bio_err, "Error encrypting key\n");
316 				ERR_print_errors(bio_err);
317 				goto end;
318 				}
319 			app_RAND_write_file(NULL, bio_err);
320 			if (outformat == FORMAT_PEM)
321 				PEM_write_bio_PKCS8(out, p8);
322 			else if (outformat == FORMAT_ASN1)
323 				i2d_PKCS8_bio(out, p8);
324 			else
325 				{
326 				BIO_printf(bio_err, "Bad format specified for key\n");
327 				goto end;
328 				}
329 			}
330 
331 		ret = 0;
332 		goto end;
333 		}
334 
335 	if (nocrypt)
336 		{
337 		if (informat == FORMAT_PEM)
338 			p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL);
339 		else if (informat == FORMAT_ASN1)
340 			p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
341 		else
342 			{
343 			BIO_printf(bio_err, "Bad format specified for key\n");
344 			goto end;
345 			}
346 		}
347 	else
348 		{
349 		if (informat == FORMAT_PEM)
350 			p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
351 		else if (informat == FORMAT_ASN1)
352 			p8 = d2i_PKCS8_bio(in, NULL);
353 		else
354 			{
355 			BIO_printf(bio_err, "Bad format specified for key\n");
356 			goto end;
357 			}
358 
359 		if (!p8)
360 			{
361 			BIO_printf (bio_err, "Error reading key\n");
362 			ERR_print_errors(bio_err);
363 			goto end;
364 			}
365 		if (passin)
366 			p8pass = passin;
367 		else
368 			{
369 			p8pass = pass;
370 			EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0);
371 			}
372 		p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
373 		}
374 
375 	if (!p8inf)
376 		{
377 		BIO_printf(bio_err, "Error decrypting key\n");
378 		ERR_print_errors(bio_err);
379 		goto end;
380 		}
381 
382 	if (!(pkey = EVP_PKCS82PKEY(p8inf)))
383 		{
384 		BIO_printf(bio_err, "Error converting key\n");
385 		ERR_print_errors(bio_err);
386 		goto end;
387 		}
388 
389 	if (p8inf->broken)
390 		{
391 		BIO_printf(bio_err, "Warning: broken key encoding: ");
392 		switch (p8inf->broken)
393 			{
394 			case PKCS8_NO_OCTET:
395 			BIO_printf(bio_err, "No Octet String in PrivateKey\n");
396 			break;
397 
398 			case PKCS8_EMBEDDED_PARAM:
399 			BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
400 			break;
401 
402 			case PKCS8_NS_DB:
403 			BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
404 			break;
405 
406 			default:
407 			BIO_printf(bio_err, "Unknown broken type\n");
408 			break;
409 		}
410 	}
411 
412 	if (outformat == FORMAT_PEM)
413 		PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
414 	else if (outformat == FORMAT_ASN1)
415 		i2d_PrivateKey_bio(out, pkey);
416 	else
417 		{
418 		BIO_printf(bio_err, "Bad format specified for key\n");
419 			goto end;
420 		}
421 	ret = 0;
422 
423 	end:
424 	X509_SIG_free(p8);
425 	PKCS8_PRIV_KEY_INFO_free(p8inf);
426 	EVP_PKEY_free(pkey);
427 	BIO_free_all(out);
428 	BIO_free(in);
429 	if (passin)
430 		OPENSSL_free(passin);
431 	if (passout)
432 		OPENSSL_free(passout);
433 
434 	return ret;
435 	}
436