1 /* $OpenBSD: pkcs8.c,v 1.13 2018/08/24 22:56:45 jmc Exp $ */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
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).
65 #include <openssl/err.h>
66 #include <openssl/evp.h>
67 #include <openssl/pem.h>
68 #include <openssl/pkcs12.h>
71 const EVP_CIPHER *cipher;
85 pkcs8_opt_v1(char *arg)
87 if ((pkcs8_config.pbe_nid = OBJ_txt2nid(arg)) == NID_undef) {
88 fprintf(stderr, "Unknown PBE algorithm '%s'\n", arg);
96 pkcs8_opt_v2(char *arg)
98 if ((pkcs8_config.cipher = EVP_get_cipherbyname(arg)) == NULL) {
99 fprintf(stderr, "Unknown cipher '%s'\n", arg);
106 static struct option pkcs8_options[] = {
110 .desc = "Input file (default stdin)",
112 .opt.arg = &pkcs8_config.infile,
116 .argname = "der | pem",
117 .desc = "Input format (default PEM)",
118 .type = OPTION_ARG_FORMAT,
119 .opt.value = &pkcs8_config.informat,
123 .desc = "Use or expect unencrypted private key",
125 .opt.flag = &pkcs8_config.nocrypt,
129 .desc = "Use 1 as iteration count",
130 .type = OPTION_VALUE,
132 .opt.value = &pkcs8_config.iter,
137 .desc = "Output file (default stdout)",
139 .opt.arg = &pkcs8_config.outfile,
143 .argname = "der | pem",
144 .desc = "Output format (default PEM)",
145 .type = OPTION_ARG_FORMAT,
146 .opt.value = &pkcs8_config.outformat,
151 .desc = "Input file passphrase source",
153 .opt.arg = &pkcs8_config.passargin,
158 .desc = "Output file passphrase source",
160 .opt.arg = &pkcs8_config.passargout,
164 .desc = "Read traditional format key and write PKCS#8 format"
167 .opt.flag = &pkcs8_config.topk8,
171 .argname = "algorithm",
172 .desc = "Use PKCS#5 v1.5 or PKCS#12 with given algorithm",
173 .type = OPTION_ARG_FUNC,
174 .opt.argfunc = pkcs8_opt_v1,
179 .desc = "Use PKCS#5 v2.0 with given cipher",
180 .type = OPTION_ARG_FUNC,
181 .opt.argfunc = pkcs8_opt_v2,
189 fprintf(stderr, "usage: pkcs8 [-in file] [inform der | pem] "
190 "[-nocrypt] [-noiter]\n"
191 " [-out file] [-outform der | pem] [-passin arg]\n"
192 " [-passout arg] [-topk8] [-v1 alg] [-v2 alg]\n\n");
193 options_usage(pkcs8_options);
197 pkcs8_main(int argc, char **argv)
199 BIO *in = NULL, *out = NULL;
201 PKCS8_PRIV_KEY_INFO *p8inf = NULL;
202 EVP_PKEY *pkey = NULL;
203 char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL;
206 if (single_execution) {
207 if (pledge("stdio cpath wpath rpath tty", NULL) == -1) {
213 memset(&pkcs8_config, 0, sizeof(pkcs8_config));
215 pkcs8_config.iter = PKCS12_DEFAULT_ITER;
216 pkcs8_config.informat = FORMAT_PEM;
217 pkcs8_config.outformat = FORMAT_PEM;
218 pkcs8_config.pbe_nid = -1;
220 if (options_parse(argc, argv, pkcs8_options, NULL, NULL) != 0) {
225 if (!app_passwd(bio_err, pkcs8_config.passargin,
226 pkcs8_config.passargout, &passin, &passout)) {
227 BIO_printf(bio_err, "Error getting passwords\n");
230 if ((pkcs8_config.pbe_nid == -1) && !pkcs8_config.cipher)
231 pkcs8_config.pbe_nid = NID_pbeWithMD5AndDES_CBC;
233 if (pkcs8_config.infile) {
234 if (!(in = BIO_new_file(pkcs8_config.infile, "rb"))) {
236 "Can't open input file '%s'\n",
237 pkcs8_config.infile);
241 in = BIO_new_fp(stdin, BIO_NOCLOSE);
243 if (pkcs8_config.outfile) {
244 if (!(out = BIO_new_file(pkcs8_config.outfile, "wb"))) {
245 BIO_printf(bio_err, "Can't open output file '%s'\n",
246 pkcs8_config.outfile);
250 out = BIO_new_fp(stdout, BIO_NOCLOSE);
252 if (pkcs8_config.topk8) {
253 pkey = load_key(bio_err, pkcs8_config.infile,
254 pkcs8_config.informat, 1, passin, "key");
257 if (!(p8inf = EVP_PKEY2PKCS8(pkey))) {
258 BIO_printf(bio_err, "Error converting key\n");
259 ERR_print_errors(bio_err);
262 if (pkcs8_config.nocrypt) {
263 if (pkcs8_config.outformat == FORMAT_PEM)
264 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
265 else if (pkcs8_config.outformat == FORMAT_ASN1)
266 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
269 "Bad format specified for key\n");
277 if (EVP_read_pw_string(pass, sizeof pass,
278 "Enter Encryption Password:", 1))
281 if (!(p8 = PKCS8_encrypt(pkcs8_config.pbe_nid,
282 pkcs8_config.cipher, p8pass, strlen(p8pass),
283 NULL, 0, pkcs8_config.iter, p8inf))) {
284 BIO_printf(bio_err, "Error encrypting key\n");
285 ERR_print_errors(bio_err);
288 if (pkcs8_config.outformat == FORMAT_PEM)
289 PEM_write_bio_PKCS8(out, p8);
290 else if (pkcs8_config.outformat == FORMAT_ASN1)
291 i2d_PKCS8_bio(out, p8);
294 "Bad format specified for key\n");
302 if (pkcs8_config.nocrypt) {
303 if (pkcs8_config.informat == FORMAT_PEM)
304 p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in, NULL,
306 else if (pkcs8_config.informat == FORMAT_ASN1)
307 p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
309 BIO_printf(bio_err, "Bad format specified for key\n");
313 if (pkcs8_config.informat == FORMAT_PEM)
314 p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
315 else if (pkcs8_config.informat == FORMAT_ASN1)
316 p8 = d2i_PKCS8_bio(in, NULL);
318 BIO_printf(bio_err, "Bad format specified for key\n");
323 BIO_printf(bio_err, "Error reading key\n");
324 ERR_print_errors(bio_err);
331 EVP_read_pw_string(pass, sizeof pass,
332 "Enter Password:", 0);
334 p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
338 BIO_printf(bio_err, "Error decrypting key\n");
339 ERR_print_errors(bio_err);
342 if (!(pkey = EVP_PKCS82PKEY(p8inf))) {
343 BIO_printf(bio_err, "Error converting key\n");
344 ERR_print_errors(bio_err);
347 if (pkcs8_config.outformat == FORMAT_PEM)
348 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL,
350 else if (pkcs8_config.outformat == FORMAT_ASN1)
351 i2d_PrivateKey_bio(out, pkey);
353 BIO_printf(bio_err, "Bad format specified for key\n");
360 PKCS8_PRIV_KEY_INFO_free(p8inf);