Annotation of src/usr.bin/openssl/pkcs8.c, Revision 1.12
1.12 ! tb 1: /* $OpenBSD: pkcs8.c,v 1.11 2018/02/07 05:47:55 jsing Exp $ */
1.1 jsing 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:
59: #include <stdio.h>
60: #include <string.h>
61:
62: #include "apps.h"
1.5 deraadt 63: #include "progs.h"
1.1 jsing 64:
65: #include <openssl/err.h>
66: #include <openssl/evp.h>
67: #include <openssl/pem.h>
68: #include <openssl/pkcs12.h>
69:
1.4 doug 70: static struct {
71: const EVP_CIPHER *cipher;
72: char *infile;
73: int informat;
74: int iter;
75: int nocrypt;
76: char *outfile;
77: int outformat;
78: char *passargin;
79: char *passargout;
80: int pbe_nid;
81: int topk8;
82: } pkcs8_config;
83:
84: static int
85: pkcs8_opt_v1(char *arg)
86: {
87: if ((pkcs8_config.pbe_nid = OBJ_txt2nid(arg)) == NID_undef) {
88: fprintf(stderr, "Unknown PBE algorithm '%s'\n", arg);
89: return (1);
90: }
91:
92: return (0);
93: }
94:
95: static int
96: pkcs8_opt_v2(char *arg)
97: {
98: if ((pkcs8_config.cipher = EVP_get_cipherbyname(arg)) == NULL) {
99: fprintf(stderr, "Unknown cipher '%s'\n", arg);
100: return (1);
101: }
102:
103: return (0);
104: }
105:
106: static struct option pkcs8_options[] = {
107: {
108: .name = "in",
109: .argname = "file",
110: .desc = "Input file (default stdin)",
111: .type = OPTION_ARG,
112: .opt.arg = &pkcs8_config.infile,
113: },
114: {
115: .name = "inform",
116: .argname = "format",
117: .desc = "Input format (DER or PEM (default))",
118: .type = OPTION_ARG_FORMAT,
119: .opt.value = &pkcs8_config.informat,
120: },
121: {
122: .name = "nocrypt",
123: .desc = "Use or expect unencrypted private key",
124: .type = OPTION_FLAG,
125: .opt.flag = &pkcs8_config.nocrypt,
126: },
127: {
128: .name = "noiter",
129: .desc = "Use 1 as iteration count",
130: .type = OPTION_VALUE,
131: .value = 1,
132: .opt.value = &pkcs8_config.iter,
133: },
134: {
135: .name = "out",
136: .argname = "file",
137: .desc = "Output file (default stdout)",
138: .type = OPTION_ARG,
139: .opt.arg = &pkcs8_config.outfile,
140: },
141: {
142: .name = "outform",
143: .argname = "format",
144: .desc = "Output format (DER or PEM (default))",
145: .type = OPTION_ARG_FORMAT,
146: .opt.value = &pkcs8_config.outformat,
147: },
148: {
149: .name = "passin",
150: .argname = "source",
151: .desc = "Input file passphrase source",
152: .type = OPTION_ARG,
153: .opt.arg = &pkcs8_config.passargin,
154: },
155: {
156: .name = "passout",
157: .argname = "source",
158: .desc = "Output file passphrase source",
159: .type = OPTION_ARG,
160: .opt.arg = &pkcs8_config.passargout,
161: },
162: {
163: .name = "topk8",
164: .desc = "Read traditional format key and write PKCS#8 format"
165: " key",
166: .type = OPTION_FLAG,
167: .opt.flag = &pkcs8_config.topk8,
168: },
169: {
170: .name = "v1",
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,
175: },
176: {
177: .name = "v2",
178: .argname = "cipher",
179: .desc = "Use PKCS#5 v2.0 with given cipher",
180: .type = OPTION_ARG_FUNC,
181: .opt.argfunc = pkcs8_opt_v2,
182: },
183: { NULL },
184: };
185:
186: static void
187: pkcs8_usage()
188: {
1.6 bcook 189: fprintf(stderr, "usage: pkcs8 [-embed] [-in file] "
1.4 doug 190: "[-inform fmt] [-nocrypt]\n"
191: " [-noiter] [-nooct] [-nsdb] [-out file] [-outform fmt] "
192: "[-passin src]\n"
193: " [-passout src] [-topk8] [-v1 alg] [-v2 alg]\n\n");
194: options_usage(pkcs8_options);
195: }
1.1 jsing 196:
197: int
198: pkcs8_main(int argc, char **argv)
199: {
200: BIO *in = NULL, *out = NULL;
201: X509_SIG *p8 = NULL;
202: PKCS8_PRIV_KEY_INFO *p8inf = NULL;
203: EVP_PKEY *pkey = NULL;
204: char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL;
205: int ret = 1;
1.7 doug 206:
207: if (single_execution) {
1.10 deraadt 208: if (pledge("stdio cpath wpath rpath tty", NULL) == -1) {
1.7 doug 209: perror("pledge");
1.9 doug 210: exit(1);
211: }
1.7 doug 212: }
1.1 jsing 213:
1.4 doug 214: memset(&pkcs8_config, 0, sizeof(pkcs8_config));
1.1 jsing 215:
1.4 doug 216: pkcs8_config.iter = PKCS12_DEFAULT_ITER;
217: pkcs8_config.informat = FORMAT_PEM;
218: pkcs8_config.outformat = FORMAT_PEM;
219: pkcs8_config.pbe_nid = -1;
220:
221: if (options_parse(argc, argv, pkcs8_options, NULL, NULL) != 0) {
222: pkcs8_usage();
223: return (1);
1.1 jsing 224: }
225:
1.4 doug 226: if (!app_passwd(bio_err, pkcs8_config.passargin,
227: pkcs8_config.passargout, &passin, &passout)) {
1.1 jsing 228: BIO_printf(bio_err, "Error getting passwords\n");
229: goto end;
230: }
1.4 doug 231: if ((pkcs8_config.pbe_nid == -1) && !pkcs8_config.cipher)
232: pkcs8_config.pbe_nid = NID_pbeWithMD5AndDES_CBC;
1.1 jsing 233:
1.4 doug 234: if (pkcs8_config.infile) {
235: if (!(in = BIO_new_file(pkcs8_config.infile, "rb"))) {
1.1 jsing 236: BIO_printf(bio_err,
1.4 doug 237: "Can't open input file '%s'\n",
238: pkcs8_config.infile);
1.1 jsing 239: goto end;
240: }
241: } else
242: in = BIO_new_fp(stdin, BIO_NOCLOSE);
243:
1.4 doug 244: if (pkcs8_config.outfile) {
245: if (!(out = BIO_new_file(pkcs8_config.outfile, "wb"))) {
246: BIO_printf(bio_err, "Can't open output file '%s'\n",
247: pkcs8_config.outfile);
1.1 jsing 248: goto end;
249: }
250: } else {
251: out = BIO_new_fp(stdout, BIO_NOCLOSE);
252: }
1.4 doug 253: if (pkcs8_config.topk8) {
254: pkey = load_key(bio_err, pkcs8_config.infile,
1.6 bcook 255: pkcs8_config.informat, 1, passin, "key");
1.1 jsing 256: if (!pkey)
257: goto end;
1.12 ! tb 258: if (!(p8inf = EVP_PKEY2PKCS8(pkey))) {
1.1 jsing 259: BIO_printf(bio_err, "Error converting key\n");
260: ERR_print_errors(bio_err);
261: goto end;
262: }
1.4 doug 263: if (pkcs8_config.nocrypt) {
264: if (pkcs8_config.outformat == FORMAT_PEM)
1.1 jsing 265: PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
1.4 doug 266: else if (pkcs8_config.outformat == FORMAT_ASN1)
1.1 jsing 267: i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
268: else {
1.4 doug 269: BIO_printf(bio_err,
270: "Bad format specified for key\n");
1.1 jsing 271: goto end;
272: }
273: } else {
274: if (passout)
275: p8pass = passout;
276: else {
277: p8pass = pass;
1.4 doug 278: if (EVP_read_pw_string(pass, sizeof pass,
279: "Enter Encryption Password:", 1))
1.1 jsing 280: goto end;
281: }
1.4 doug 282: if (!(p8 = PKCS8_encrypt(pkcs8_config.pbe_nid,
283: pkcs8_config.cipher, p8pass, strlen(p8pass),
284: NULL, 0, pkcs8_config.iter, p8inf))) {
1.1 jsing 285: BIO_printf(bio_err, "Error encrypting key\n");
286: ERR_print_errors(bio_err);
287: goto end;
288: }
1.4 doug 289: if (pkcs8_config.outformat == FORMAT_PEM)
1.1 jsing 290: PEM_write_bio_PKCS8(out, p8);
1.4 doug 291: else if (pkcs8_config.outformat == FORMAT_ASN1)
1.1 jsing 292: i2d_PKCS8_bio(out, p8);
293: else {
1.4 doug 294: BIO_printf(bio_err,
295: "Bad format specified for key\n");
1.1 jsing 296: goto end;
297: }
298: }
299:
300: ret = 0;
301: goto end;
302: }
1.4 doug 303: if (pkcs8_config.nocrypt) {
304: if (pkcs8_config.informat == FORMAT_PEM)
305: p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in, NULL,
306: NULL, NULL);
307: else if (pkcs8_config.informat == FORMAT_ASN1)
1.1 jsing 308: p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
309: else {
310: BIO_printf(bio_err, "Bad format specified for key\n");
311: goto end;
312: }
313: } else {
1.4 doug 314: if (pkcs8_config.informat == FORMAT_PEM)
1.1 jsing 315: p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
1.4 doug 316: else if (pkcs8_config.informat == FORMAT_ASN1)
1.1 jsing 317: p8 = d2i_PKCS8_bio(in, NULL);
318: else {
319: BIO_printf(bio_err, "Bad format specified for key\n");
320: goto end;
321: }
322:
323: if (!p8) {
324: BIO_printf(bio_err, "Error reading key\n");
325: ERR_print_errors(bio_err);
326: goto end;
327: }
328: if (passin)
329: p8pass = passin;
330: else {
331: p8pass = pass;
1.4 doug 332: EVP_read_pw_string(pass, sizeof pass,
333: "Enter Password:", 0);
1.1 jsing 334: }
335: p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
336: }
337:
338: if (!p8inf) {
339: BIO_printf(bio_err, "Error decrypting key\n");
340: ERR_print_errors(bio_err);
341: goto end;
342: }
343: if (!(pkey = EVP_PKCS82PKEY(p8inf))) {
344: BIO_printf(bio_err, "Error converting key\n");
345: ERR_print_errors(bio_err);
346: goto end;
347: }
1.4 doug 348: if (pkcs8_config.outformat == FORMAT_PEM)
349: PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL,
350: passout);
351: else if (pkcs8_config.outformat == FORMAT_ASN1)
1.1 jsing 352: i2d_PrivateKey_bio(out, pkey);
353: else {
354: BIO_printf(bio_err, "Bad format specified for key\n");
355: goto end;
356: }
357: ret = 0;
358:
1.11 jsing 359: end:
1.1 jsing 360: X509_SIG_free(p8);
361: PKCS8_PRIV_KEY_INFO_free(p8inf);
362: EVP_PKEY_free(pkey);
363: BIO_free_all(out);
364: BIO_free(in);
365: free(passin);
366: free(passout);
367:
368: return ret;
369: }
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