]> git.ipfire.org Git - thirdparty/openssl.git/blame - apps/dsa.c
Make "run" volatile
[thirdparty/openssl.git] / apps / dsa.c
CommitLineData
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.
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
3eeaab4b 59#include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */
cf1b7d96 60#ifndef OPENSSL_NO_DSA
d02b48c6
RE
61#include <stdio.h>
62#include <stdlib.h>
63#include <string.h>
64#include <time.h>
65#include "apps.h"
ec577822
BM
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>
f0eae953 72#include <openssl/bn.h>
d02b48c6
RE
73
74#undef PROG
75#define PROG dsa_main
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
b3dfaaa1
RL
84 * -aes128 - encrypt output if PEM format
85 * -aes192 - encrypt output if PEM format
86 * -aes256 - encrypt output if PEM format
f3dea9a5
BM
87 * -camellia128 - encrypt output if PEM format
88 * -camellia192 - encrypt output if PEM format
89 * -camellia256 - encrypt output if PEM format
96afc1cf 90 * -seed - encrypt output if PEM format
d02b48c6
RE
91 * -text - print a text version
92 * -modulus - print the DSA public key
93 */
94
667ac4ec
RE
95int MAIN(int, char **);
96
6b691a5c 97int MAIN(int argc, char **argv)
d02b48c6 98 {
5270e702 99 ENGINE *e = NULL;
d02b48c6
RE
100 int ret=1;
101 DSA *dsa=NULL;
102 int i,badops=0;
e778802f 103 const EVP_CIPHER *enc=NULL;
d02b48c6
RE
104 BIO *in=NULL,*out=NULL;
105 int informat,outformat,text=0,noout=0;
3ea23631 106 int pubin = 0, pubout = 0;
0b13e9f0
RL
107 char *infile,*outfile,*prog;
108#ifndef OPENSSL_NO_ENGINE
109 char *engine;
110#endif
a3fe382e 111 char *passargin = NULL, *passargout = NULL;
af29811e 112 char *passin = NULL, *passout = NULL;
d02b48c6
RE
113 int modulus=0;
114
3f67e11f
DSH
115 int pvk_encr = 2;
116
d02b48c6
RE
117 apps_startup();
118
119 if (bio_err == NULL)
120 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
58964a49 121 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
d02b48c6 122
3647bee2
DSH
123 if (!load_config(bio_err, NULL))
124 goto end;
125
0b13e9f0 126#ifndef OPENSSL_NO_ENGINE
5270e702 127 engine=NULL;
0b13e9f0 128#endif
d02b48c6
RE
129 infile=NULL;
130 outfile=NULL;
131 informat=FORMAT_PEM;
132 outformat=FORMAT_PEM;
133
134 prog=argv[0];
135 argc--;
136 argv++;
137 while (argc >= 1)
138 {
139 if (strcmp(*argv,"-inform") == 0)
140 {
141 if (--argc < 1) goto bad;
142 informat=str2fmt(*(++argv));
143 }
144 else if (strcmp(*argv,"-outform") == 0)
145 {
146 if (--argc < 1) goto bad;
147 outformat=str2fmt(*(++argv));
148 }
149 else if (strcmp(*argv,"-in") == 0)
150 {
151 if (--argc < 1) goto bad;
152 infile= *(++argv);
153 }
154 else if (strcmp(*argv,"-out") == 0)
155 {
156 if (--argc < 1) goto bad;
157 outfile= *(++argv);
158 }
af29811e
DSH
159 else if (strcmp(*argv,"-passin") == 0)
160 {
161 if (--argc < 1) goto bad;
a3fe382e 162 passargin= *(++argv);
af29811e
DSH
163 }
164 else if (strcmp(*argv,"-passout") == 0)
165 {
166 if (--argc < 1) goto bad;
a3fe382e 167 passargout= *(++argv);
af29811e 168 }
0b13e9f0 169#ifndef OPENSSL_NO_ENGINE
5270e702
RL
170 else if (strcmp(*argv,"-engine") == 0)
171 {
172 if (--argc < 1) goto bad;
173 engine= *(++argv);
174 }
0b13e9f0 175#endif
3f67e11f
DSH
176 else if (strcmp(*argv,"-pvk-strong") == 0)
177 pvk_encr=2;
178 else if (strcmp(*argv,"-pvk-weak") == 0)
179 pvk_encr=1;
180 else if (strcmp(*argv,"-pvk-none") == 0)
181 pvk_encr=0;
d02b48c6
RE
182 else if (strcmp(*argv,"-noout") == 0)
183 noout=1;
184 else if (strcmp(*argv,"-text") == 0)
185 text=1;
186 else if (strcmp(*argv,"-modulus") == 0)
187 modulus=1;
3ea23631
DSH
188 else if (strcmp(*argv,"-pubin") == 0)
189 pubin=1;
190 else if (strcmp(*argv,"-pubout") == 0)
191 pubout=1;
d02b48c6
RE
192 else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
193 {
194 BIO_printf(bio_err,"unknown option %s\n",*argv);
195 badops=1;
196 break;
197 }
198 argc--;
199 argv++;
200 }
201
202 if (badops)
203 {
204bad:
205 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
206 BIO_printf(bio_err,"where options are\n");
af29811e
DSH
207 BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
208 BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
209 BIO_printf(bio_err," -in arg input file\n");
a3fe382e 210 BIO_printf(bio_err," -passin arg input file pass phrase source\n");
af29811e 211 BIO_printf(bio_err," -out arg output file\n");
a3fe382e 212 BIO_printf(bio_err," -passout arg output file pass phrase source\n");
0b13e9f0 213#ifndef OPENSSL_NO_ENGINE
5270e702 214 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
0b13e9f0 215#endif
af29811e
DSH
216 BIO_printf(bio_err," -des encrypt PEM output with cbc des\n");
217 BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
cf1b7d96 218#ifndef OPENSSL_NO_IDEA
af29811e 219 BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n");
b3dfaaa1
RL
220#endif
221#ifndef OPENSSL_NO_AES
222 BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
223 BIO_printf(bio_err," encrypt PEM output with cbc aes\n");
f3dea9a5
BM
224#endif
225#ifndef OPENSSL_NO_CAMELLIA
226 BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n");
227 BIO_printf(bio_err," encrypt PEM output with cbc camellia\n");
96afc1cf
BM
228#endif
229#ifndef OPENSSL_NO_SEED
230 BIO_printf(bio_err," -seed encrypt PEM output with cbc seed\n");
d02b48c6 231#endif
af29811e
DSH
232 BIO_printf(bio_err," -text print the key in text\n");
233 BIO_printf(bio_err," -noout don't print key out\n");
234 BIO_printf(bio_err," -modulus print the DSA public value\n");
d02b48c6
RE
235 goto end;
236 }
237
238 ERR_load_crypto_strings();
239
0b13e9f0 240#ifndef OPENSSL_NO_ENGINE
a3376fe8 241 e = setup_engine(bio_err, engine, 0);
0b13e9f0 242#endif
5270e702 243
a3fe382e
DSH
244 if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
245 BIO_printf(bio_err, "Error getting passwords\n");
246 goto end;
247 }
248
d02b48c6
RE
249 in=BIO_new(BIO_s_file());
250 out=BIO_new(BIO_s_file());
251 if ((in == NULL) || (out == NULL))
252 {
253 ERR_print_errors(bio_err);
254 goto end;
255 }
256
257 if (infile == NULL)
258 BIO_set_fp(in,stdin,BIO_NOCLOSE);
259 else
260 {
261 if (BIO_read_filename(in,infile) <= 0)
262 {
263 perror(infile);
264 goto end;
265 }
266 }
267
3ea23631 268 BIO_printf(bio_err,"read DSA key\n");
a0156a92 269
d02b48c6 270 {
a0156a92
DSH
271 EVP_PKEY *pkey;
272
273 if (pubin)
274 pkey = load_pubkey(bio_err, infile, informat, 1,
275 passin, e, "Public Key");
276 else
277 pkey = load_key(bio_err, infile, informat, 1,
278 passin, e, "Private Key");
279
280 if (pkey)
281 {
282 dsa = EVP_PKEY_get1_DSA(pkey);
283 EVP_PKEY_free(pkey);
284 }
d02b48c6
RE
285 }
286 if (dsa == NULL)
287 {
3ea23631 288 BIO_printf(bio_err,"unable to load Key\n");
d02b48c6
RE
289 ERR_print_errors(bio_err);
290 goto end;
291 }
292
293 if (outfile == NULL)
645749ef 294 {
d02b48c6 295 BIO_set_fp(out,stdout,BIO_NOCLOSE);
bc36ee62 296#ifdef OPENSSL_SYS_VMS
645749ef
RL
297 {
298 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
299 out = BIO_push(tmpbio, out);
300 }
301#endif
302 }
d02b48c6
RE
303 else
304 {
305 if (BIO_write_filename(out,outfile) <= 0)
306 {
307 perror(outfile);
308 goto end;
309 }
310 }
311
312 if (text)
313 if (!DSA_print(out,dsa,0))
314 {
315 perror(outfile);
316 ERR_print_errors(bio_err);
317 goto end;
318 }
319
320 if (modulus)
321 {
322 fprintf(stdout,"Public Key=");
323 BN_print(out,dsa->pub_key);
324 fprintf(stdout,"\n");
325 }
326
327 if (noout) goto end;
3ea23631
DSH
328 BIO_printf(bio_err,"writing DSA key\n");
329 if (outformat == FORMAT_ASN1) {
52664f50 330 if(pubin || pubout) i=i2d_DSA_PUBKEY_bio(out,dsa);
3ea23631
DSH
331 else i=i2d_DSAPrivateKey_bio(out,dsa);
332 } else if (outformat == FORMAT_PEM) {
333 if(pubin || pubout)
52664f50 334 i=PEM_write_bio_DSA_PUBKEY(out,dsa);
36217a94 335 else i=PEM_write_bio_DSAPrivateKey(out,dsa,enc,
a3fe382e 336 NULL,0,NULL, passout);
00a37b5a 337#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4)
3f67e11f 338 } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
a0156a92
DSH
339 EVP_PKEY *pk;
340 pk = EVP_PKEY_new();
341 EVP_PKEY_set1_DSA(pk, dsa);
3f67e11f
DSH
342 if (outformat == FORMAT_PVK)
343 i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
344 else if (pubin || pubout)
a0156a92
DSH
345 i = i2b_PublicKey_bio(out, pk);
346 else
347 i = i2b_PrivateKey_bio(out, pk);
348 EVP_PKEY_free(pk);
d4f0339c 349#endif
af29811e 350 } else {
d02b48c6
RE
351 BIO_printf(bio_err,"bad output format specified for outfile\n");
352 goto end;
353 }
b48315d9 354 if (i <= 0)
d02b48c6
RE
355 {
356 BIO_printf(bio_err,"unable to write private key\n");
357 ERR_print_errors(bio_err);
358 }
359 else
360 ret=0;
361end:
a3fe382e 362 if(in != NULL) BIO_free(in);
645749ef 363 if(out != NULL) BIO_free_all(out);
a3fe382e 364 if(dsa != NULL) DSA_free(dsa);
26a3a48d
RL
365 if(passin) OPENSSL_free(passin);
366 if(passout) OPENSSL_free(passout);
c04f8cf4 367 apps_shutdown();
1c3e4a36 368 OPENSSL_EXIT(ret);
d02b48c6 369 }
d4f0339c
DSH
370#else /* !OPENSSL_NO_DSA */
371
372# if PEDANTIC
373static void *dummy=&dummy;
374# endif
375
f5d7a031 376#endif