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-rw-r--r--src/usr.bin/openssl/rsa.c392
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diff --git a/src/usr.bin/openssl/rsa.c b/src/usr.bin/openssl/rsa.c
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1/* $OpenBSD: rsa.c,v 1.1 2014/08/26 17:47:25 jsing Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <openssl/opensslconf.h>
60
61
62#include <stdio.h>
63#include <stdlib.h>
64#include <string.h>
65#include <time.h>
66
67#include "apps.h"
68
69#include <openssl/bio.h>
70#include <openssl/bn.h>
71#include <openssl/err.h>
72#include <openssl/evp.h>
73#include <openssl/pem.h>
74#include <openssl/rsa.h>
75#include <openssl/x509.h>
76
77/* -inform arg - input format - default PEM (one of DER, NET or PEM)
78 * -outform arg - output format - default PEM
79 * -in arg - input file - default stdin
80 * -out arg - output file - default stdout
81 * -des - encrypt output if PEM format with DES in cbc mode
82 * -des3 - encrypt output if PEM format
83 * -idea - encrypt output if PEM format
84 * -seed - encrypt output if PEM format
85 * -aes128 - encrypt output if PEM format
86 * -aes192 - encrypt output if PEM format
87 * -aes256 - encrypt output if PEM format
88 * -camellia128 - encrypt output if PEM format
89 * -camellia192 - encrypt output if PEM format
90 * -camellia256 - encrypt output if PEM format
91 * -text - print a text version
92 * -modulus - print the RSA key modulus
93 * -check - verify key consistency
94 * -pubin - Expect a public key in input file.
95 * -pubout - Output a public key.
96 */
97
98int rsa_main(int, char **);
99
100int
101rsa_main(int argc, char **argv)
102{
103 ENGINE *e = NULL;
104 int ret = 1;
105 RSA *rsa = NULL;
106 int i, badops = 0, sgckey = 0;
107 const EVP_CIPHER *enc = NULL;
108 BIO *out = NULL;
109 int informat, outformat, text = 0, check = 0, noout = 0;
110 int pubin = 0, pubout = 0;
111 char *infile, *outfile, *prog;
112 char *passargin = NULL, *passargout = NULL;
113 char *passin = NULL, *passout = NULL;
114#ifndef OPENSSL_NO_ENGINE
115 char *engine = NULL;
116#endif
117 int modulus = 0;
118
119 int pvk_encr = 2;
120
121 infile = NULL;
122 outfile = NULL;
123 informat = FORMAT_PEM;
124 outformat = FORMAT_PEM;
125
126 prog = argv[0];
127 argc--;
128 argv++;
129 while (argc >= 1) {
130 if (strcmp(*argv, "-inform") == 0) {
131 if (--argc < 1)
132 goto bad;
133 informat = str2fmt(*(++argv));
134 } else if (strcmp(*argv, "-outform") == 0) {
135 if (--argc < 1)
136 goto bad;
137 outformat = str2fmt(*(++argv));
138 } else if (strcmp(*argv, "-in") == 0) {
139 if (--argc < 1)
140 goto bad;
141 infile = *(++argv);
142 } else if (strcmp(*argv, "-out") == 0) {
143 if (--argc < 1)
144 goto bad;
145 outfile = *(++argv);
146 } else if (strcmp(*argv, "-passin") == 0) {
147 if (--argc < 1)
148 goto bad;
149 passargin = *(++argv);
150 } else if (strcmp(*argv, "-passout") == 0) {
151 if (--argc < 1)
152 goto bad;
153 passargout = *(++argv);
154 }
155#ifndef OPENSSL_NO_ENGINE
156 else if (strcmp(*argv, "-engine") == 0) {
157 if (--argc < 1)
158 goto bad;
159 engine = *(++argv);
160 }
161#endif
162 else if (strcmp(*argv, "-sgckey") == 0)
163 sgckey = 1;
164 else if (strcmp(*argv, "-pubin") == 0)
165 pubin = 1;
166 else if (strcmp(*argv, "-pubout") == 0)
167 pubout = 1;
168 else if (strcmp(*argv, "-RSAPublicKey_in") == 0)
169 pubin = 2;
170 else if (strcmp(*argv, "-RSAPublicKey_out") == 0)
171 pubout = 2;
172 else if (strcmp(*argv, "-pvk-strong") == 0)
173 pvk_encr = 2;
174 else if (strcmp(*argv, "-pvk-weak") == 0)
175 pvk_encr = 1;
176 else if (strcmp(*argv, "-pvk-none") == 0)
177 pvk_encr = 0;
178 else if (strcmp(*argv, "-noout") == 0)
179 noout = 1;
180 else if (strcmp(*argv, "-text") == 0)
181 text = 1;
182 else if (strcmp(*argv, "-modulus") == 0)
183 modulus = 1;
184 else if (strcmp(*argv, "-check") == 0)
185 check = 1;
186 else if ((enc = EVP_get_cipherbyname(&(argv[0][1]))) == NULL) {
187 BIO_printf(bio_err, "unknown option %s\n", *argv);
188 badops = 1;
189 break;
190 }
191 argc--;
192 argv++;
193 }
194
195 if (badops) {
196bad:
197 BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
198 BIO_printf(bio_err, "where options are\n");
199 BIO_printf(bio_err, " -inform arg input format - one of DER NET PEM\n");
200 BIO_printf(bio_err, " -outform arg output format - one of DER NET PEM\n");
201 BIO_printf(bio_err, " -in arg input file\n");
202 BIO_printf(bio_err, " -sgckey Use IIS SGC key format\n");
203 BIO_printf(bio_err, " -passin arg input file pass phrase source\n");
204 BIO_printf(bio_err, " -out arg output file\n");
205 BIO_printf(bio_err, " -passout arg output file pass phrase source\n");
206 BIO_printf(bio_err, " -des encrypt PEM output with cbc des\n");
207 BIO_printf(bio_err, " -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
208#ifndef OPENSSL_NO_IDEA
209 BIO_printf(bio_err, " -idea encrypt PEM output with cbc idea\n");
210#endif
211#ifndef OPENSSL_NO_AES
212 BIO_printf(bio_err, " -aes128, -aes192, -aes256\n");
213 BIO_printf(bio_err, " encrypt PEM output with cbc aes\n");
214#endif
215#ifndef OPENSSL_NO_CAMELLIA
216 BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n");
217 BIO_printf(bio_err, " encrypt PEM output with cbc camellia\n");
218#endif
219 BIO_printf(bio_err, " -text print the key in text\n");
220 BIO_printf(bio_err, " -noout don't print key out\n");
221 BIO_printf(bio_err, " -modulus print the RSA key modulus\n");
222 BIO_printf(bio_err, " -check verify key consistency\n");
223 BIO_printf(bio_err, " -pubin expect a public key in input file\n");
224 BIO_printf(bio_err, " -pubout output a public key\n");
225#ifndef OPENSSL_NO_ENGINE
226 BIO_printf(bio_err, " -engine e use engine e, possibly a hardware device.\n");
227#endif
228 goto end;
229 }
230 ERR_load_crypto_strings();
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 BIO_printf(bio_err, "Error getting passwords\n");
238 goto end;
239 }
240 if (check && pubin) {
241 BIO_printf(bio_err, "Only private keys can be checked\n");
242 goto end;
243 }
244 out = BIO_new(BIO_s_file());
245
246 {
247 EVP_PKEY *pkey;
248
249 if (pubin) {
250 int tmpformat = -1;
251 if (pubin == 2) {
252 if (informat == FORMAT_PEM)
253 tmpformat = FORMAT_PEMRSA;
254 else if (informat == FORMAT_ASN1)
255 tmpformat = FORMAT_ASN1RSA;
256 } else if (informat == FORMAT_NETSCAPE && sgckey)
257 tmpformat = FORMAT_IISSGC;
258 else
259 tmpformat = informat;
260
261 pkey = load_pubkey(bio_err, infile, tmpformat, 1,
262 passin, e, "Public Key");
263 } else
264 pkey = load_key(bio_err, infile,
265 (informat == FORMAT_NETSCAPE && sgckey ?
266 FORMAT_IISSGC : informat), 1,
267 passin, e, "Private Key");
268
269 if (pkey != NULL)
270 rsa = EVP_PKEY_get1_RSA(pkey);
271 EVP_PKEY_free(pkey);
272 }
273
274 if (rsa == NULL) {
275 ERR_print_errors(bio_err);
276 goto end;
277 }
278 if (outfile == NULL) {
279 BIO_set_fp(out, stdout, BIO_NOCLOSE);
280 } else {
281 if (BIO_write_filename(out, outfile) <= 0) {
282 perror(outfile);
283 goto end;
284 }
285 }
286
287 if (text)
288 if (!RSA_print(out, rsa, 0)) {
289 perror(outfile);
290 ERR_print_errors(bio_err);
291 goto end;
292 }
293 if (modulus) {
294 BIO_printf(out, "Modulus=");
295 BN_print(out, rsa->n);
296 BIO_printf(out, "\n");
297 }
298 if (check) {
299 int r = RSA_check_key(rsa);
300
301 if (r == 1)
302 BIO_printf(out, "RSA key ok\n");
303 else if (r == 0) {
304 unsigned long err;
305
306 while ((err = ERR_peek_error()) != 0 &&
307 ERR_GET_LIB(err) == ERR_LIB_RSA &&
308 ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY &&
309 ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) {
310 BIO_printf(out, "RSA key error: %s\n", ERR_reason_error_string(err));
311 ERR_get_error(); /* remove e from error
312 * stack */
313 }
314 }
315 if (r == -1 || ERR_peek_error() != 0) { /* should happen only if
316 * r == -1 */
317 ERR_print_errors(bio_err);
318 goto end;
319 }
320 }
321 if (noout) {
322 ret = 0;
323 goto end;
324 }
325 BIO_printf(bio_err, "writing RSA key\n");
326 if (outformat == FORMAT_ASN1) {
327 if (pubout || pubin) {
328 if (pubout == 2)
329 i = i2d_RSAPublicKey_bio(out, rsa);
330 else
331 i = i2d_RSA_PUBKEY_bio(out, rsa);
332 } else
333 i = i2d_RSAPrivateKey_bio(out, rsa);
334 }
335#ifndef OPENSSL_NO_RC4
336 else if (outformat == FORMAT_NETSCAPE) {
337 unsigned char *p, *pp;
338 int size;
339
340 i = 1;
341 size = i2d_RSA_NET(rsa, NULL, NULL, sgckey);
342 if ((p = malloc(size)) == NULL) {
343 BIO_printf(bio_err, "Memory allocation failure\n");
344 goto end;
345 }
346 pp = p;
347 i2d_RSA_NET(rsa, &p, NULL, sgckey);
348 BIO_write(out, (char *) pp, size);
349 free(pp);
350 }
351#endif
352 else if (outformat == FORMAT_PEM) {
353 if (pubout || pubin) {
354 if (pubout == 2)
355 i = PEM_write_bio_RSAPublicKey(out, rsa);
356 else
357 i = PEM_write_bio_RSA_PUBKEY(out, rsa);
358 } else
359 i = PEM_write_bio_RSAPrivateKey(out, rsa,
360 enc, NULL, 0, NULL, passout);
361#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
362 } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
363 EVP_PKEY *pk;
364 pk = EVP_PKEY_new();
365 EVP_PKEY_set1_RSA(pk, rsa);
366 if (outformat == FORMAT_PVK)
367 i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
368 else if (pubin || pubout)
369 i = i2b_PublicKey_bio(out, pk);
370 else
371 i = i2b_PrivateKey_bio(out, pk);
372 EVP_PKEY_free(pk);
373#endif
374 } else {
375 BIO_printf(bio_err, "bad output format specified for outfile\n");
376 goto end;
377 }
378 if (i <= 0) {
379 BIO_printf(bio_err, "unable to write key\n");
380 ERR_print_errors(bio_err);
381 } else
382 ret = 0;
383end:
384 if (out != NULL)
385 BIO_free_all(out);
386 if (rsa != NULL)
387 RSA_free(rsa);
388 free(passin);
389 free(passout);
390
391 return (ret);
392}
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