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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 |
96 | int MAIN(int, char **); |
97 | ||
6b691a5c | 98 | int 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 | 369 | static void *dummy = &dummy; |
7134507d DSH |
370 | # endif |
371 | ||
f5d7a031 | 372 | #endif |