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
68int MAIN(int, char **);
69
70int 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			case PKCS8_NEG_PRIVKEY:
407			BIO_printf(bio_err, "DSA private key value is negative\n");
408			break;
409
410			default:
411			BIO_printf(bio_err, "Unknown broken type\n");
412			break;
413		}
414	}
415
416	if (outformat == FORMAT_PEM)
417		PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
418	else if (outformat == FORMAT_ASN1)
419		i2d_PrivateKey_bio(out, pkey);
420	else
421		{
422		BIO_printf(bio_err, "Bad format specified for key\n");
423			goto end;
424		}
425	ret = 0;
426
427	end:
428	X509_SIG_free(p8);
429	PKCS8_PRIV_KEY_INFO_free(p8inf);
430	EVP_PKEY_free(pkey);
431	BIO_free_all(out);
432	BIO_free(in);
433	if (passin)
434		OPENSSL_free(passin);
435	if (passout)
436		OPENSSL_free(passout);
437
438	return ret;
439	}
440