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sdiff udiff text old ( 1.1.1.5 ) new ( 1.1.1.6 )
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dsa.c (1.1.1.5) dsa.c (1.1.1.6)
1/* apps/dsa.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
1/*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 *
3 *
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.]
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
57 */
58
8 */
9
59#include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */
60#ifndef OPENSSL_NO_DSA
10#include
11#ifdef OPENSSL_NO_DSA
12NON_EMPTY_TRANSLATION_UNIT
13#else
14
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>
73
15# include <stdio.h>
16# include <stdlib.h>
17# include <string.h>
18# include <time.h>
19# include "apps.h"
20# include <openssl/bio.h>
21# include <openssl/err.h>
22# include <openssl/dsa.h>
23# include <openssl/evp.h>
24# include <openssl/x509.h>
25# include <openssl/pem.h>
26# include <openssl/bn.h>
27
74# undef PROG
75# define PROG dsa_main
28typedef enum OPTION_choice {
29 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
30 OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_ENGINE,
31 /* Do not change the order here; see case statements below */
32 OPT_PVK_NONE, OPT_PVK_WEAK, OPT_PVK_STRONG,
33 OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_PUBIN,
34 OPT_PUBOUT, OPT_CIPHER, OPT_PASSIN, OPT_PASSOUT
35} OPTION_CHOICE;
76
36
77/*-
78 * -inform arg - input format - default PEM (one of DER, NET or PEM)
79 * -outform arg - output format - default PEM
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
88 * -camellia128 - encrypt output if PEM format
89 * -camellia192 - encrypt output if PEM format
90 * -camellia256 - encrypt output if PEM format
91 * -seed - encrypt output if PEM format
92 * -text - print a text version
93 * -modulus - print the DSA public key
94 */
37OPTIONS dsa_options[] = {
38 {"help", OPT_HELP, '-', "Display this summary"},
39 {"inform", OPT_INFORM, 'f', "Input format, DER PEM PVK"},
40 {"outform", OPT_OUTFORM, 'f', "Output format, DER PEM PVK"},
41 {"in", OPT_IN, 's', "Input key"},
42 {"out", OPT_OUT, '>', "Output file"},
43 {"noout", OPT_NOOUT, '-', "Don't print key out"},
44 {"text", OPT_TEXT, '-', "Print the key in text"},
45 {"modulus", OPT_MODULUS, '-', "Print the DSA public value"},
46 {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"},
47 {"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
48 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
49 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
50 {"", OPT_CIPHER, '-', "Any supported cipher"},
51# ifndef OPENSSL_NO_RC4
52 {"pvk-strong", OPT_PVK_STRONG, '-', "Enable 'Strong' PVK encoding level (default)"},
53 {"pvk-weak", OPT_PVK_WEAK, '-', "Enable 'Weak' PVK encoding level"},
54 {"pvk-none", OPT_PVK_NONE, '-', "Don't enforce PVK encoding"},
55# endif
56# ifndef OPENSSL_NO_ENGINE
57 {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
58# endif
59 {NULL}
60};
95
61
96int MAIN(int, char **);
97
98int MAIN(int argc, char **argv)
62int dsa_main(int argc, char **argv)
99{
63{
100 ENGINE *e = NULL;
101 int ret = 1;
64 BIO *out = NULL;
102 DSA *dsa = NULL;
65 DSA *dsa = NULL;
103 int i, badops = 0;
66 ENGINE *e = NULL;
104 const EVP_CIPHER *enc = NULL;
67 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;
109 char *engine;
110 char *passargin = NULL, *passargout = NULL;
111 char *passin = NULL, *passout = NULL;
112 int modulus = 0;
113
68 char *infile = NULL, *outfile = NULL, *prog;
69 char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL;
70 OPTION_CHOICE o;
71 int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, noout = 0;
72 int i, modulus = 0, pubin = 0, pubout = 0, ret = 1;
73# ifndef OPENSSL_NO_RC4
114 int pvk_encr = 2;
74 int pvk_encr = 2;
115
116 apps_startup();
117
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);
121
122 if (!load_config(bio_err, NULL))
123 goto end;
124
125 engine = NULL;
126 infile = NULL;
127 outfile = NULL;
128 informat = FORMAT_PEM;
129 outformat = FORMAT_PEM;
130
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
75# 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)
76 int private = 0;
77
78 prog = opt_init(argc, argv, dsa_options);
79 while ((o = opt_next()) != OPT_EOF) {
80 switch (o) {
81 case OPT_EOF:
82 case OPT_ERR:
83 opthelp:
84 ret = 0;
85 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
86 goto end;
87 case OPT_HELP:
88 opt_help(dsa_options);
89 ret = 0;
90 goto end;
91 case OPT_INFORM:
92 if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
93 goto opthelp;
94 break;
95 case OPT_IN:
96 infile = opt_arg();
97 break;
98 case OPT_OUTFORM:
99 if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
100 goto opthelp;
101 break;
102 case OPT_OUT:
103 outfile = opt_arg();
104 break;
105 case OPT_ENGINE:
106 e = setup_engine(opt_arg(), 0);
107 break;
108 case OPT_PASSIN:
109 passinarg = opt_arg();
110 break;
111 case OPT_PASSOUT:
112 passoutarg = opt_arg();
113 break;
114 case OPT_PVK_STRONG: /* pvk_encr:= 2 */
115 case OPT_PVK_WEAK: /* pvk_encr:= 1 */
116 case OPT_PVK_NONE: /* pvk_encr:= 0 */
117#ifndef OPENSSL_NO_RC4
118 pvk_encr = (o - OPT_PVK_NONE);
119#endif
120 break;
121 case OPT_NOOUT:
174 noout = 1;
122 noout = 1;
175 else if (strcmp(*argv, "-text") == 0)
123 break;
124 case OPT_TEXT:
176 text = 1;
125 text = 1;
177 else if (strcmp(*argv, "-modulus") == 0)
126 break;
127 case OPT_MODULUS:
178 modulus = 1;
128 modulus = 1;
179 else if (strcmp(*argv, "-pubin") == 0)
129 break;
130 case OPT_PUBIN:
180 pubin = 1;
131 pubin = 1;
181 else if (strcmp(*argv, "-pubout") == 0)
132 break;
133 case OPT_PUBOUT:
182 pubout = 1;
134 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;
135 break;
136 case OPT_CIPHER:
137 if (!opt_cipher(opt_unknown(), &enc))
138 goto end;
139 break;
187 }
140 }
188 argc--;
189 argv++;
190 }
141 }
142 argc = opt_num_rest();
143 if (argc != 0)
144 goto opthelp;
191
145
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 }
146 private = pubin || pubout ? 0 : 1;
147 if (text && !pubin)
148 private = 1;
235
149
236 ERR_load_crypto_strings();
237
238 e = setup_engine(bio_err, engine, 0);
239
240 if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
150 if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
241 BIO_printf(bio_err, "Error getting passwords\n");
242 goto end;
243 }
244
151 BIO_printf(bio_err, "Error getting passwords\n");
152 goto end;
153 }
154
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 }
251
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 }
260
261 BIO_printf(bio_err, "read DSA key\n");
155 BIO_printf(bio_err, "read DSA key\n");
262
263 {
264 EVP_PKEY *pkey;
265
266 if (pubin)
156 {
157 EVP_PKEY *pkey;
158
159 if (pubin)
267 pkey = load_pubkey(bio_err, infile, informat, 1,
268 passin, e, "Public Key");
160 pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key");
269 else
161 else
270 pkey = load_key(bio_err, infile, informat, 1,
271 passin, e, "Private Key");
162 pkey = load_key(infile, informat, 1, passin, e, "Private Key");
272
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 }
283
163
164 if (pkey) {
165 dsa = EVP_PKEY_get1_DSA(pkey);
166 EVP_PKEY_free(pkey);
167 }
168 }
169 if (dsa == NULL) {
170 BIO_printf(bio_err, "unable to load Key\n");
171 ERR_print_errors(bio_err);
172 goto end;
173 }
174
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 }
175 out = bio_open_owner(outfile, outformat, private);
176 if (out == NULL)
177 goto end;
298
178
299 if (text)
179 if (text) {
180 assert(pubin || private);
300 if (!DSA_print(out, dsa, 0)) {
301 perror(outfile);
302 ERR_print_errors(bio_err);
303 goto end;
304 }
181 if (!DSA_print(out, dsa, 0)) {
182 perror(outfile);
183 ERR_print_errors(bio_err);
184 goto end;
185 }
186 }
305
306 if (modulus) {
187
188 if (modulus) {
307 fprintf(stdout, "Public Key=");
308 BN_print(out, dsa->pub_key);
309 fprintf(stdout, "\n");
189 const BIGNUM *pub_key = NULL;
190 DSA_get0_key(dsa, &pub_key, NULL);
191 BIO_printf(out, "Public Key=");
192 BN_print(out, pub_key);
193 BIO_printf(out, "\n");
310 }
311
194 }
195
312 if (noout)
196 if (noout) {
197 ret = 0;
313 goto end;
198 goto end;
199 }
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);
200 BIO_printf(bio_err, "writing DSA key\n");
201 if (outformat == FORMAT_ASN1) {
202 if (pubin || pubout)
203 i = i2d_DSA_PUBKEY_bio(out, dsa);
318 else
204 else {
205 assert(private);
319 i = i2d_DSAPrivateKey_bio(out, dsa);
206 i = i2d_DSAPrivateKey_bio(out, dsa);
207 }
320 } else if (outformat == FORMAT_PEM) {
321 if (pubin || pubout)
322 i = PEM_write_bio_DSA_PUBKEY(out, dsa);
208 } else if (outformat == FORMAT_PEM) {
209 if (pubin || pubout)
210 i = PEM_write_bio_DSA_PUBKEY(out, dsa);
323 else
211 else {
212 assert(private);
324 i = PEM_write_bio_DSAPrivateKey(out, dsa, enc,
325 NULL, 0, NULL, passout);
213 i = PEM_write_bio_DSAPrivateKey(out, dsa, enc,
214 NULL, 0, NULL, passout);
326# if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4)
215 }
216# ifndef OPENSSL_NO_RSA
327 } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
328 EVP_PKEY *pk;
329 pk = EVP_PKEY_new();
330 EVP_PKEY_set1_DSA(pk, dsa);
217 } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
218 EVP_PKEY *pk;
219 pk = EVP_PKEY_new();
220 EVP_PKEY_set1_DSA(pk, dsa);
331 if (outformat == FORMAT_PVK)
221 if (outformat == FORMAT_PVK) {
222 if (pubin) {
223 BIO_printf(bio_err, "PVK form impossible with public key input\n");
224 EVP_PKEY_free(pk);
225 goto end;
226 }
227 assert(private);
228# ifdef OPENSSL_NO_RC4
229 BIO_printf(bio_err, "PVK format not supported\n");
230 EVP_PKEY_free(pk);
231 goto end;
232# else
332 i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
233 i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
234# endif
235 }
333 else if (pubin || pubout)
334 i = i2b_PublicKey_bio(out, pk);
236 else if (pubin || pubout)
237 i = i2b_PublicKey_bio(out, pk);
335 else
238 else {
239 assert(private);
336 i = i2b_PrivateKey_bio(out, pk);
240 i = i2b_PrivateKey_bio(out, pk);
241 }
337 EVP_PKEY_free(pk);
338# endif
339 } else {
340 BIO_printf(bio_err, "bad output format specified for outfile\n");
341 goto end;
342 }
343 if (i <= 0) {
344 BIO_printf(bio_err, "unable to write private key\n");
345 ERR_print_errors(bio_err);
242 EVP_PKEY_free(pk);
243# endif
244 } else {
245 BIO_printf(bio_err, "bad output format specified for outfile\n");
246 goto end;
247 }
248 if (i <= 0) {
249 BIO_printf(bio_err, "unable to write private key\n");
250 ERR_print_errors(bio_err);
346 } else
347 ret = 0;
251 goto end;
252 }
253 ret = 0;
348 end:
254 end:
349 if (in != NULL)
350 BIO_free(in);
351 if (out != NULL)
352 BIO_free_all(out);
353 if (dsa != NULL)
354 DSA_free(dsa);
255 BIO_free_all(out);
256 DSA_free(dsa);
355 release_engine(e);
257 release_engine(e);
356 if (passin)
357 OPENSSL_free(passin);
358 if (passout)
359 OPENSSL_free(passout);
360 apps_shutdown();
361 OPENSSL_EXIT(ret);
258 OPENSSL_free(passin);
259 OPENSSL_free(passout);
260 return (ret);
362}
261}
363#else /* !OPENSSL_NO_DSA */
364
365# if PEDANTIC
366static void *dummy = &dummy;
367# endif
368
369#endif
262#endif