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d02b48c6 | 1 | /* apps/gendsa.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 <string.h> | |
63 | # include <sys/types.h> | |
64 | # include <sys/stat.h> | |
65 | # include "apps.h" | |
66 | # include <openssl/bio.h> | |
67 | # include <openssl/err.h> | |
68 | # include <openssl/bn.h> | |
69 | # include <openssl/dsa.h> | |
70 | # include <openssl/x509.h> | |
71 | # include <openssl/pem.h> | |
d02b48c6 | 72 | |
ae5c8664 MC |
73 | # define DEFBITS 512 |
74 | # undef PROG | |
75 | # define PROG gendsa_main | |
d02b48c6 | 76 | |
667ac4ec RE |
77 | int MAIN(int, char **); |
78 | ||
6b691a5c | 79 | int MAIN(int argc, char **argv) |
ae5c8664 MC |
80 | { |
81 | DSA *dsa = NULL; | |
82 | int ret = 1; | |
83 | char *outfile = NULL; | |
84 | char *inrand = NULL, *dsaparams = NULL; | |
85 | char *passargout = NULL, *passout = NULL; | |
86 | BIO *out = NULL, *in = NULL; | |
87 | const EVP_CIPHER *enc = NULL; | |
ae5c8664 | 88 | char *engine = NULL; |
aa01b82c | 89 | ENGINE *e = NULL; |
d02b48c6 | 90 | |
ae5c8664 | 91 | apps_startup(); |
d02b48c6 | 92 | |
ae5c8664 MC |
93 | if (bio_err == NULL) |
94 | if ((bio_err = BIO_new(BIO_s_file())) != NULL) | |
95 | BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); | |
3647bee2 | 96 | |
ae5c8664 MC |
97 | if (!load_config(bio_err, NULL)) |
98 | goto end; | |
d02b48c6 | 99 | |
ae5c8664 MC |
100 | argv++; |
101 | argc--; | |
102 | for (;;) { | |
103 | if (argc <= 0) | |
104 | break; | |
105 | if (strcmp(*argv, "-out") == 0) { | |
106 | if (--argc < 1) | |
107 | goto bad; | |
108 | outfile = *(++argv); | |
109 | } else if (strcmp(*argv, "-passout") == 0) { | |
110 | if (--argc < 1) | |
111 | goto bad; | |
112 | passargout = *(++argv); | |
113 | } | |
114 | # ifndef OPENSSL_NO_ENGINE | |
115 | else if (strcmp(*argv, "-engine") == 0) { | |
116 | if (--argc < 1) | |
117 | goto bad; | |
118 | engine = *(++argv); | |
119 | } | |
120 | # endif | |
121 | else if (strcmp(*argv, "-rand") == 0) { | |
122 | if (--argc < 1) | |
123 | goto bad; | |
124 | inrand = *(++argv); | |
125 | } else if (strcmp(*argv, "-") == 0) | |
126 | goto bad; | |
127 | # ifndef OPENSSL_NO_DES | |
128 | else if (strcmp(*argv, "-des") == 0) | |
129 | enc = EVP_des_cbc(); | |
130 | else if (strcmp(*argv, "-des3") == 0) | |
131 | enc = EVP_des_ede3_cbc(); | |
132 | # endif | |
133 | # ifndef OPENSSL_NO_IDEA | |
134 | else if (strcmp(*argv, "-idea") == 0) | |
135 | enc = EVP_idea_cbc(); | |
136 | # endif | |
137 | # ifndef OPENSSL_NO_SEED | |
138 | else if (strcmp(*argv, "-seed") == 0) | |
139 | enc = EVP_seed_cbc(); | |
140 | # endif | |
141 | # ifndef OPENSSL_NO_AES | |
142 | else if (strcmp(*argv, "-aes128") == 0) | |
143 | enc = EVP_aes_128_cbc(); | |
144 | else if (strcmp(*argv, "-aes192") == 0) | |
145 | enc = EVP_aes_192_cbc(); | |
146 | else if (strcmp(*argv, "-aes256") == 0) | |
147 | enc = EVP_aes_256_cbc(); | |
148 | # endif | |
149 | # ifndef OPENSSL_NO_CAMELLIA | |
150 | else if (strcmp(*argv, "-camellia128") == 0) | |
151 | enc = EVP_camellia_128_cbc(); | |
152 | else if (strcmp(*argv, "-camellia192") == 0) | |
153 | enc = EVP_camellia_192_cbc(); | |
154 | else if (strcmp(*argv, "-camellia256") == 0) | |
155 | enc = EVP_camellia_256_cbc(); | |
156 | # endif | |
157 | else if (**argv != '-' && dsaparams == NULL) { | |
158 | dsaparams = *argv; | |
159 | } else | |
160 | goto bad; | |
161 | argv++; | |
162 | argc--; | |
163 | } | |
d02b48c6 | 164 | |
ae5c8664 MC |
165 | if (dsaparams == NULL) { |
166 | bad: | |
167 | BIO_printf(bio_err, "usage: gendsa [args] dsaparam-file\n"); | |
168 | BIO_printf(bio_err, " -out file - output the key to 'file'\n"); | |
169 | # ifndef OPENSSL_NO_DES | |
170 | BIO_printf(bio_err, | |
171 | " -des - encrypt the generated key with DES in cbc mode\n"); | |
172 | BIO_printf(bio_err, | |
173 | " -des3 - encrypt the generated key with DES in ede cbc mode (168 bit key)\n"); | |
174 | # endif | |
175 | # ifndef OPENSSL_NO_IDEA | |
176 | BIO_printf(bio_err, | |
177 | " -idea - encrypt the generated key with IDEA in cbc mode\n"); | |
178 | # endif | |
179 | # ifndef OPENSSL_NO_SEED | |
180 | BIO_printf(bio_err, " -seed\n"); | |
181 | BIO_printf(bio_err, | |
182 | " encrypt PEM output with cbc seed\n"); | |
183 | # endif | |
184 | # ifndef OPENSSL_NO_AES | |
185 | BIO_printf(bio_err, " -aes128, -aes192, -aes256\n"); | |
186 | BIO_printf(bio_err, | |
187 | " encrypt PEM output with cbc aes\n"); | |
188 | # endif | |
189 | # ifndef OPENSSL_NO_CAMELLIA | |
190 | BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n"); | |
191 | BIO_printf(bio_err, | |
192 | " encrypt PEM output with cbc camellia\n"); | |
193 | # endif | |
194 | # ifndef OPENSSL_NO_ENGINE | |
195 | BIO_printf(bio_err, | |
196 | " -engine e - use engine e, possibly a hardware device.\n"); | |
197 | # endif | |
198 | BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, | |
199 | LIST_SEPARATOR_CHAR); | |
200 | BIO_printf(bio_err, | |
201 | " - load the file (or the files in the directory) into\n"); | |
202 | BIO_printf(bio_err, " the random number generator\n"); | |
203 | BIO_printf(bio_err, " dsaparam-file\n"); | |
204 | BIO_printf(bio_err, | |
205 | " - a DSA parameter file as generated by the dsaparam command\n"); | |
206 | goto end; | |
207 | } | |
aa01b82c | 208 | e = setup_engine(bio_err, engine, 0); |
5270e702 | 209 | |
ae5c8664 MC |
210 | if (!app_passwd(bio_err, NULL, passargout, NULL, &passout)) { |
211 | BIO_printf(bio_err, "Error getting password\n"); | |
212 | goto end; | |
213 | } | |
a3fe382e | 214 | |
ae5c8664 MC |
215 | in = BIO_new(BIO_s_file()); |
216 | if (!(BIO_read_filename(in, dsaparams))) { | |
217 | perror(dsaparams); | |
218 | goto end; | |
219 | } | |
a3fe382e | 220 | |
ae5c8664 MC |
221 | if ((dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL)) == NULL) { |
222 | BIO_printf(bio_err, "unable to load DSA parameter file\n"); | |
223 | goto end; | |
224 | } | |
225 | BIO_free(in); | |
226 | in = NULL; | |
d02b48c6 | 227 | |
ae5c8664 MC |
228 | out = BIO_new(BIO_s_file()); |
229 | if (out == NULL) | |
230 | goto end; | |
d02b48c6 | 231 | |
ae5c8664 MC |
232 | if (outfile == NULL) { |
233 | BIO_set_fp(out, stdout, BIO_NOCLOSE); | |
234 | # ifdef OPENSSL_SYS_VMS | |
235 | { | |
236 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
237 | out = BIO_push(tmpbio, out); | |
238 | } | |
239 | # endif | |
240 | } else { | |
241 | if (BIO_write_filename(out, outfile) <= 0) { | |
242 | perror(outfile); | |
243 | goto end; | |
244 | } | |
245 | } | |
d02b48c6 | 246 | |
ae5c8664 MC |
247 | if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) { |
248 | BIO_printf(bio_err, | |
249 | "warning, not much extra random data, consider using the -rand option\n"); | |
250 | } | |
251 | if (inrand != NULL) | |
252 | BIO_printf(bio_err, "%ld semi-random bytes loaded\n", | |
253 | app_RAND_load_files(inrand)); | |
d02b48c6 | 254 | |
ae5c8664 MC |
255 | BIO_printf(bio_err, "Generating DSA key, %d bits\n", BN_num_bits(dsa->p)); |
256 | if (!DSA_generate_key(dsa)) | |
257 | goto end; | |
d02b48c6 | 258 | |
ae5c8664 | 259 | app_RAND_write_file(NULL, bio_err); |
d02b48c6 | 260 | |
ae5c8664 MC |
261 | if (!PEM_write_bio_DSAPrivateKey(out, dsa, enc, NULL, 0, NULL, passout)) |
262 | goto end; | |
263 | ret = 0; | |
264 | end: | |
265 | if (ret != 0) | |
266 | ERR_print_errors(bio_err); | |
267 | if (in != NULL) | |
268 | BIO_free(in); | |
269 | if (out != NULL) | |
270 | BIO_free_all(out); | |
271 | if (dsa != NULL) | |
272 | DSA_free(dsa); | |
0df1caa7 | 273 | release_engine(e); |
ae5c8664 MC |
274 | if (passout) |
275 | OPENSSL_free(passout); | |
276 | apps_shutdown(); | |
277 | OPENSSL_EXIT(ret); | |
278 | } | |
279 | #else /* !OPENSSL_NO_DSA */ | |
7134507d DSH |
280 | |
281 | # if PEDANTIC | |
ae5c8664 | 282 | static void *dummy = &dummy; |
7134507d DSH |
283 | # endif |
284 | ||
f5d7a031 | 285 | #endif |