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d02b48c6 1/* apps/dsa.c */
58964a49 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6
RE
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.
ae5c8664 8 *
d02b48c6
RE
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).
ae5c8664 15 *
d02b48c6
RE
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.
ae5c8664 22 *
d02b48c6
RE
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 :-).
ae5c8664 37 * 4. If you include any Windows specific code (or a derivative thereof) from
d02b48c6
RE
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
ae5c8664 40 *
d02b48c6
RE
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.
ae5c8664 52 *
d02b48c6
RE
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
ae5c8664 59#include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */
cf1b7d96 60#ifndef OPENSSL_NO_DSA
ae5c8664
MC
61# include <stdio.h>
62# include <stdlib.h>
63# include <string.h>
64# include <time.h>
65# include "apps.h"
66# include <openssl/bio.h>
67# include <openssl/err.h>
68# include <openssl/dsa.h>
69# include <openssl/evp.h>
70# include <openssl/x509.h>
71# include <openssl/pem.h>
72# include <openssl/bn.h>
d02b48c6 73
ae5c8664
MC
74# undef PROG
75# define PROG dsa_main
d02b48c6 76
6977c7e2 77/*-
ae5c8664 78 * -inform arg - input format - default PEM (one of DER, NET or PEM)
d02b48c6 79 * -outform arg - output format - default PEM
ae5c8664
MC
80 * -in arg - input file - default stdin
81 * -out arg - output file - default stdout
82 * -des - encrypt output if PEM format with DES in cbc mode
83 * -des3 - encrypt output if PEM format
84 * -idea - 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
f3dea9a5
BM
88 * -camellia128 - encrypt output if PEM format
89 * -camellia192 - encrypt output if PEM format
90 * -camellia256 - encrypt output if PEM format
96afc1cf 91 * -seed - encrypt output if PEM format
ae5c8664
MC
92 * -text - print a text version
93 * -modulus - print the DSA public key
d02b48c6
RE
94 */
95
667ac4ec
RE
96int MAIN(int, char **);
97
6b691a5c 98int MAIN(int argc, char **argv)
ae5c8664
MC
99{
100 ENGINE *e = NULL;
101 int ret = 1;
102 DSA *dsa = NULL;
103 int i, badops = 0;
104 const EVP_CIPHER *enc = NULL;
105 BIO *in = NULL, *out = NULL;
106 int informat, outformat, text = 0, noout = 0;
107 int pubin = 0, pubout = 0;
108 char *infile, *outfile, *prog;
ae5c8664 109 char *engine;
ae5c8664
MC
110 char *passargin = NULL, *passargout = NULL;
111 char *passin = NULL, *passout = NULL;
112 int modulus = 0;
d02b48c6 113
ae5c8664 114 int pvk_encr = 2;
3f67e11f 115
ae5c8664 116 apps_startup();
d02b48c6 117
ae5c8664
MC
118 if (bio_err == NULL)
119 if ((bio_err = BIO_new(BIO_s_file())) != NULL)
120 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
d02b48c6 121
ae5c8664
MC
122 if (!load_config(bio_err, NULL))
123 goto end;
3647bee2 124
ae5c8664 125 engine = NULL;
ae5c8664
MC
126 infile = NULL;
127 outfile = NULL;
128 informat = FORMAT_PEM;
129 outformat = FORMAT_PEM;
d02b48c6 130
ae5c8664
MC
131 prog = argv[0];
132 argc--;
133 argv++;
134 while (argc >= 1) {
135 if (strcmp(*argv, "-inform") == 0) {
136 if (--argc < 1)
137 goto bad;
138 informat = str2fmt(*(++argv));
139 } else if (strcmp(*argv, "-outform") == 0) {
140 if (--argc < 1)
141 goto bad;
142 outformat = str2fmt(*(++argv));
143 } else if (strcmp(*argv, "-in") == 0) {
144 if (--argc < 1)
145 goto bad;
146 infile = *(++argv);
147 } else if (strcmp(*argv, "-out") == 0) {
148 if (--argc < 1)
149 goto bad;
150 outfile = *(++argv);
151 } else if (strcmp(*argv, "-passin") == 0) {
152 if (--argc < 1)
153 goto bad;
154 passargin = *(++argv);
155 } else if (strcmp(*argv, "-passout") == 0) {
156 if (--argc < 1)
157 goto bad;
158 passargout = *(++argv);
159 }
160# ifndef OPENSSL_NO_ENGINE
161 else if (strcmp(*argv, "-engine") == 0) {
162 if (--argc < 1)
163 goto bad;
164 engine = *(++argv);
165 }
166# endif
167 else if (strcmp(*argv, "-pvk-strong") == 0)
168 pvk_encr = 2;
169 else if (strcmp(*argv, "-pvk-weak") == 0)
170 pvk_encr = 1;
171 else if (strcmp(*argv, "-pvk-none") == 0)
172 pvk_encr = 0;
173 else if (strcmp(*argv, "-noout") == 0)
174 noout = 1;
175 else if (strcmp(*argv, "-text") == 0)
176 text = 1;
177 else if (strcmp(*argv, "-modulus") == 0)
178 modulus = 1;
179 else if (strcmp(*argv, "-pubin") == 0)
180 pubin = 1;
181 else if (strcmp(*argv, "-pubout") == 0)
182 pubout = 1;
183 else if ((enc = EVP_get_cipherbyname(&(argv[0][1]))) == NULL) {
184 BIO_printf(bio_err, "unknown option %s\n", *argv);
185 badops = 1;
186 break;
187 }
188 argc--;
189 argv++;
190 }
d02b48c6 191
ae5c8664
MC
192 if (badops) {
193 bad:
194 BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
195 BIO_printf(bio_err, "where options are\n");
196 BIO_printf(bio_err, " -inform arg input format - DER or PEM\n");
197 BIO_printf(bio_err, " -outform arg output format - DER or PEM\n");
198 BIO_printf(bio_err, " -in arg input file\n");
199 BIO_printf(bio_err,
200 " -passin arg input file pass phrase source\n");
201 BIO_printf(bio_err, " -out arg output file\n");
202 BIO_printf(bio_err,
203 " -passout arg output file pass phrase source\n");
204# ifndef OPENSSL_NO_ENGINE
205 BIO_printf(bio_err,
206 " -engine e use engine e, possibly a hardware device.\n");
207# endif
208 BIO_printf(bio_err,
209 " -des encrypt PEM output with cbc des\n");
210 BIO_printf(bio_err,
211 " -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
212# ifndef OPENSSL_NO_IDEA
213 BIO_printf(bio_err,
214 " -idea encrypt PEM output with cbc idea\n");
215# endif
216# ifndef OPENSSL_NO_AES
217 BIO_printf(bio_err, " -aes128, -aes192, -aes256\n");
218 BIO_printf(bio_err,
219 " encrypt PEM output with cbc aes\n");
220# endif
221# ifndef OPENSSL_NO_CAMELLIA
222 BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n");
223 BIO_printf(bio_err,
224 " encrypt PEM output with cbc camellia\n");
225# endif
226# ifndef OPENSSL_NO_SEED
227 BIO_printf(bio_err,
228 " -seed encrypt PEM output with cbc seed\n");
229# endif
230 BIO_printf(bio_err, " -text print the key in text\n");
231 BIO_printf(bio_err, " -noout don't print key out\n");
232 BIO_printf(bio_err, " -modulus print the DSA public value\n");
233 goto end;
234 }
d02b48c6 235
ae5c8664 236 ERR_load_crypto_strings();
d02b48c6 237
ae5c8664 238 e = setup_engine(bio_err, engine, 0);
5270e702 239
ae5c8664
MC
240 if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
241 BIO_printf(bio_err, "Error getting passwords\n");
242 goto end;
243 }
a3fe382e 244
ae5c8664
MC
245 in = BIO_new(BIO_s_file());
246 out = BIO_new(BIO_s_file());
247 if ((in == NULL) || (out == NULL)) {
248 ERR_print_errors(bio_err);
249 goto end;
250 }
d02b48c6 251
ae5c8664
MC
252 if (infile == NULL)
253 BIO_set_fp(in, stdin, BIO_NOCLOSE);
254 else {
255 if (BIO_read_filename(in, infile) <= 0) {
256 perror(infile);
257 goto end;
258 }
259 }
d02b48c6 260
ae5c8664 261 BIO_printf(bio_err, "read DSA key\n");
a0156a92 262
ae5c8664
MC
263 {
264 EVP_PKEY *pkey;
a0156a92 265
ae5c8664
MC
266 if (pubin)
267 pkey = load_pubkey(bio_err, infile, informat, 1,
268 passin, e, "Public Key");
269 else
270 pkey = load_key(bio_err, infile, informat, 1,
271 passin, e, "Private Key");
a0156a92 272
ae5c8664
MC
273 if (pkey) {
274 dsa = EVP_PKEY_get1_DSA(pkey);
275 EVP_PKEY_free(pkey);
276 }
277 }
278 if (dsa == NULL) {
279 BIO_printf(bio_err, "unable to load Key\n");
280 ERR_print_errors(bio_err);
281 goto end;
282 }
d02b48c6 283
ae5c8664
MC
284 if (outfile == NULL) {
285 BIO_set_fp(out, stdout, BIO_NOCLOSE);
286# ifdef OPENSSL_SYS_VMS
287 {
288 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
289 out = BIO_push(tmpbio, out);
290 }
291# endif
292 } else {
293 if (BIO_write_filename(out, outfile) <= 0) {
294 perror(outfile);
295 goto end;
296 }
297 }
d02b48c6 298
ae5c8664
MC
299 if (text)
300 if (!DSA_print(out, dsa, 0)) {
301 perror(outfile);
302 ERR_print_errors(bio_err);
303 goto end;
304 }
d02b48c6 305
ae5c8664
MC
306 if (modulus) {
307 fprintf(stdout, "Public Key=");
308 BN_print(out, dsa->pub_key);
309 fprintf(stdout, "\n");
310 }
d02b48c6 311
ae5c8664
MC
312 if (noout)
313 goto end;
314 BIO_printf(bio_err, "writing DSA key\n");
315 if (outformat == FORMAT_ASN1) {
316 if (pubin || pubout)
317 i = i2d_DSA_PUBKEY_bio(out, dsa);
318 else
319 i = i2d_DSAPrivateKey_bio(out, dsa);
320 } else if (outformat == FORMAT_PEM) {
321 if (pubin || pubout)
322 i = PEM_write_bio_DSA_PUBKEY(out, dsa);
323 else
324 i = PEM_write_bio_DSAPrivateKey(out, dsa, enc,
325 NULL, 0, NULL, passout);
326# if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4)
327 } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
328 EVP_PKEY *pk;
329 pk = EVP_PKEY_new();
950d49d4
PK
330 if (pk == NULL)
331 goto end;
332
ae5c8664
MC
333 EVP_PKEY_set1_DSA(pk, dsa);
334 if (outformat == FORMAT_PVK)
335 i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
336 else if (pubin || pubout)
337 i = i2b_PublicKey_bio(out, pk);
338 else
339 i = i2b_PrivateKey_bio(out, pk);
340 EVP_PKEY_free(pk);
341# endif
342 } else {
343 BIO_printf(bio_err, "bad output format specified for outfile\n");
344 goto end;
345 }
346 if (i <= 0) {
347 BIO_printf(bio_err, "unable to write private key\n");
348 ERR_print_errors(bio_err);
349 } else
350 ret = 0;
351 end:
352 if (in != NULL)
353 BIO_free(in);
354 if (out != NULL)
355 BIO_free_all(out);
356 if (dsa != NULL)
357 DSA_free(dsa);
0df1caa7 358 release_engine(e);
ae5c8664
MC
359 if (passin)
360 OPENSSL_free(passin);
361 if (passout)
362 OPENSSL_free(passout);
363 apps_shutdown();
364 OPENSSL_EXIT(ret);
365}
366#else /* !OPENSSL_NO_DSA */
7134507d
DSH
367
368# if PEDANTIC
ae5c8664 369static void *dummy = &dummy;
7134507d
DSH
370# endif
371
f5d7a031 372#endif