1/* pkcs8.c */
2/*
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4 * 1999-2004.
5 */
6/* ====================================================================
7 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in
18 *    the documentation and/or other materials provided with the
19 *    distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 *    software must display the following acknowledgment:
23 *    "This product includes software developed by the OpenSSL Project
24 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 *
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 *    endorse or promote products derived from this software without
28 *    prior written permission. For written permission, please contact
29 *    licensing@OpenSSL.org.
30 *
31 * 5. Products derived from this software may not be called "OpenSSL"
32 *    nor may "OpenSSL" appear in their names without prior written
33 *    permission of the OpenSSL Project.
34 *
35 * 6. Redistributions of any form whatsoever must retain the following
36 *    acknowledgment:
37 *    "This product includes software developed by the OpenSSL Project
38 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
53 *
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com).  This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
57 *
58 */
59#include <stdio.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
69int MAIN(int, char **);
70
71int 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)
95        bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
96
97    if (!load_config(bio_err, NULL))
98        goto end;
99
100    informat = FORMAT_PEM;
101    outformat = FORMAT_PEM;
102
103    ERR_load_crypto_strings();
104    OpenSSL_add_all_algorithms();
105    args = argv + 1;
106    while (!badarg && *args && *args[0] == '-') {
107        if (!strcmp(*args, "-v2")) {
108            if (args[1]) {
109                args++;
110                cipher = EVP_get_cipherbyname(*args);
111                if (!cipher) {
112                    BIO_printf(bio_err, "Unknown cipher %s\n", *args);
113                    badarg = 1;
114                }
115            } else
116                badarg = 1;
117        } else if (!strcmp(*args, "-v1")) {
118            if (args[1]) {
119                args++;
120                pbe_nid = OBJ_txt2nid(*args);
121                if (pbe_nid == NID_undef) {
122                    BIO_printf(bio_err, "Unknown PBE algorithm %s\n", *args);
123                    badarg = 1;
124                }
125            } else
126                badarg = 1;
127        } else if (!strcmp(*args, "-v2prf")) {
128            if (args[1]) {
129                args++;
130                pbe_nid = OBJ_txt2nid(*args);
131                if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0)) {
132                    BIO_printf(bio_err, "Unknown PRF algorithm %s\n", *args);
133                    badarg = 1;
134                }
135            } else
136                badarg = 1;
137        } else if (!strcmp(*args, "-inform")) {
138            if (args[1]) {
139                args++;
140                informat = str2fmt(*args);
141            } else
142                badarg = 1;
143        } else if (!strcmp(*args, "-outform")) {
144            if (args[1]) {
145                args++;
146                outformat = str2fmt(*args);
147            } else
148                badarg = 1;
149        } else if (!strcmp(*args, "-topk8"))
150            topk8 = 1;
151        else if (!strcmp(*args, "-noiter"))
152            iter = 1;
153        else if (!strcmp(*args, "-nocrypt"))
154            nocrypt = 1;
155        else if (!strcmp(*args, "-nooct"))
156            p8_broken = PKCS8_NO_OCTET;
157        else if (!strcmp(*args, "-nsdb"))
158            p8_broken = PKCS8_NS_DB;
159        else if (!strcmp(*args, "-embed"))
160            p8_broken = PKCS8_EMBEDDED_PARAM;
161        else if (!strcmp(*args, "-passin")) {
162            if (!args[1])
163                goto bad;
164            passargin = *(++args);
165        } else if (!strcmp(*args, "-passout")) {
166            if (!args[1])
167                goto bad;
168            passargout = *(++args);
169        }
170#ifndef OPENSSL_NO_ENGINE
171        else if (strcmp(*args, "-engine") == 0) {
172            if (!args[1])
173                goto bad;
174            engine = *(++args);
175        }
176#endif
177        else if (!strcmp(*args, "-in")) {
178            if (args[1]) {
179                args++;
180                infile = *args;
181            } else
182                badarg = 1;
183        } else if (!strcmp(*args, "-out")) {
184            if (args[1]) {
185                args++;
186                outfile = *args;
187            } else
188                badarg = 1;
189        } else
190            badarg = 1;
191        args++;
192    }
193
194    if (badarg) {
195 bad:
196        BIO_printf(bio_err, "Usage pkcs8 [options]\n");
197        BIO_printf(bio_err, "where options are\n");
198        BIO_printf(bio_err, "-in file        input file\n");
199        BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
200        BIO_printf(bio_err,
201                   "-passin arg     input file pass phrase source\n");
202        BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
203        BIO_printf(bio_err, "-out file       output file\n");
204        BIO_printf(bio_err,
205                   "-passout arg    output file pass phrase source\n");
206        BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
207        BIO_printf(bio_err,
208                   "-nooct          use (nonstandard) no octet format\n");
209        BIO_printf(bio_err,
210                   "-embed          use (nonstandard) embedded DSA parameters format\n");
211        BIO_printf(bio_err,
212                   "-nsdb           use (nonstandard) DSA Netscape DB format\n");
213        BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
214        BIO_printf(bio_err,
215                   "-nocrypt        use or expect unencrypted private key\n");
216        BIO_printf(bio_err,
217                   "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
218        BIO_printf(bio_err,
219                   "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
220#ifndef OPENSSL_NO_ENGINE
221        BIO_printf(bio_err,
222                   " -engine e       use engine e, possibly a hardware device.\n");
223#endif
224        goto end;
225    }
226#ifndef OPENSSL_NO_ENGINE
227    e = setup_engine(bio_err, engine, 0);
228#endif
229
230    if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
231        BIO_printf(bio_err, "Error getting passwords\n");
232        goto end;
233    }
234
235    if ((pbe_nid == -1) && !cipher)
236        pbe_nid = NID_pbeWithMD5AndDES_CBC;
237
238    if (infile) {
239        if (!(in = BIO_new_file(infile, "rb"))) {
240            BIO_printf(bio_err, "Can't open input file %s\n", infile);
241            goto end;
242        }
243    } else
244        in = BIO_new_fp(stdin, BIO_NOCLOSE);
245
246    if (outfile) {
247        if (!(out = BIO_new_file(outfile, "wb"))) {
248            BIO_printf(bio_err, "Can't open output file %s\n", outfile);
249            goto end;
250        }
251    } else {
252        out = BIO_new_fp(stdout, BIO_NOCLOSE);
253#ifdef OPENSSL_SYS_VMS
254        {
255            BIO *tmpbio = BIO_new(BIO_f_linebuffer());
256            out = BIO_push(tmpbio, out);
257        }
258#endif
259    }
260    if (topk8) {
261        pkey = load_key(bio_err, infile, informat, 1, passin, e, "key");
262        if (!pkey)
263            goto end;
264        if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) {
265            BIO_printf(bio_err, "Error converting key\n");
266            ERR_print_errors(bio_err);
267            goto end;
268        }
269        if (nocrypt) {
270            if (outformat == FORMAT_PEM)
271                PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
272            else if (outformat == FORMAT_ASN1)
273                i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
274            else {
275                BIO_printf(bio_err, "Bad format specified for key\n");
276                goto end;
277            }
278        } else {
279            if (passout)
280                p8pass = passout;
281            else {
282                p8pass = pass;
283                if (EVP_read_pw_string
284                    (pass, sizeof pass, "Enter Encryption Password:", 1))
285                    goto end;
286            }
287            app_RAND_load_file(NULL, bio_err, 0);
288            if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
289                                     p8pass, strlen(p8pass),
290                                     NULL, 0, iter, p8inf))) {
291                BIO_printf(bio_err, "Error encrypting key\n");
292                ERR_print_errors(bio_err);
293                goto end;
294            }
295            app_RAND_write_file(NULL, bio_err);
296            if (outformat == FORMAT_PEM)
297                PEM_write_bio_PKCS8(out, p8);
298            else if (outformat == FORMAT_ASN1)
299                i2d_PKCS8_bio(out, p8);
300            else {
301                BIO_printf(bio_err, "Bad format specified for key\n");
302                goto end;
303            }
304        }
305
306        ret = 0;
307        goto end;
308    }
309
310    if (nocrypt) {
311        if (informat == FORMAT_PEM)
312            p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in, NULL, NULL, NULL);
313        else if (informat == FORMAT_ASN1)
314            p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
315        else {
316            BIO_printf(bio_err, "Bad format specified for key\n");
317            goto end;
318        }
319    } else {
320        if (informat == FORMAT_PEM)
321            p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
322        else if (informat == FORMAT_ASN1)
323            p8 = d2i_PKCS8_bio(in, NULL);
324        else {
325            BIO_printf(bio_err, "Bad format specified for key\n");
326            goto end;
327        }
328
329        if (!p8) {
330            BIO_printf(bio_err, "Error reading key\n");
331            ERR_print_errors(bio_err);
332            goto end;
333        }
334        if (passin)
335            p8pass = passin;
336        else {
337            p8pass = pass;
338            EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0);
339        }
340        p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
341    }
342
343    if (!p8inf) {
344        BIO_printf(bio_err, "Error decrypting key\n");
345        ERR_print_errors(bio_err);
346        goto end;
347    }
348
349    if (!(pkey = EVP_PKCS82PKEY(p8inf))) {
350        BIO_printf(bio_err, "Error converting key\n");
351        ERR_print_errors(bio_err);
352        goto end;
353    }
354
355    if (p8inf->broken) {
356        BIO_printf(bio_err, "Warning: broken key encoding: ");
357        switch (p8inf->broken) {
358        case PKCS8_NO_OCTET:
359            BIO_printf(bio_err, "No Octet String in PrivateKey\n");
360            break;
361
362        case PKCS8_EMBEDDED_PARAM:
363            BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
364            break;
365
366        case PKCS8_NS_DB:
367            BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
368            break;
369
370        case PKCS8_NEG_PRIVKEY:
371            BIO_printf(bio_err, "DSA private key value is negative\n");
372            break;
373
374        default:
375            BIO_printf(bio_err, "Unknown broken type\n");
376            break;
377        }
378    }
379
380    if (outformat == FORMAT_PEM)
381        PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
382    else if (outformat == FORMAT_ASN1)
383        i2d_PrivateKey_bio(out, pkey);
384    else {
385        BIO_printf(bio_err, "Bad format specified for key\n");
386        goto end;
387    }
388    ret = 0;
389
390 end:
391    X509_SIG_free(p8);
392    PKCS8_PRIV_KEY_INFO_free(p8inf);
393    EVP_PKEY_free(pkey);
394    BIO_free_all(out);
395    BIO_free(in);
396    if (passin)
397        OPENSSL_free(passin);
398    if (passout)
399        OPENSSL_free(passout);
400
401    return ret;
402}
403