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;
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	}
461