Branch data Line data Source code
1 : : /* apps/gendsa.c */
2 : : /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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 : :
59 : : #include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */
60 : : #ifndef OPENSSL_NO_DSA
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>
72 : :
73 : : #define DEFBITS 512
74 : : #undef PROG
75 : : #define PROG gendsa_main
76 : :
77 : : int MAIN(int, char **);
78 : :
79 : 0 : int MAIN(int argc, char **argv)
80 : : {
81 : 0 : DSA *dsa=NULL;
82 : 0 : int ret=1;
83 : 0 : char *outfile=NULL;
84 : 0 : char *inrand=NULL,*dsaparams=NULL;
85 : 0 : char *passargout = NULL, *passout = NULL;
86 : 0 : BIO *out=NULL,*in=NULL;
87 : 0 : const EVP_CIPHER *enc=NULL;
88 : : #ifndef OPENSSL_NO_ENGINE
89 : 0 : char *engine=NULL;
90 : : #endif
91 : :
92 : 0 : apps_startup();
93 : :
94 [ # # ]: 0 : if (bio_err == NULL)
95 [ # # ]: 0 : if ((bio_err=BIO_new(BIO_s_file())) != NULL)
96 : 0 : BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
97 : :
98 [ # # ]: 0 : if (!load_config(bio_err, NULL))
99 : : goto end;
100 : :
101 : 0 : argv++;
102 : 0 : argc--;
103 : : for (;;)
104 : : {
105 [ # # ]: 0 : if (argc <= 0) break;
106 [ # # ]: 0 : if (strcmp(*argv,"-out") == 0)
107 : : {
108 [ # # ]: 0 : if (--argc < 1) goto bad;
109 : 0 : outfile= *(++argv);
110 : : }
111 [ # # ]: 0 : else if (strcmp(*argv,"-passout") == 0)
112 : : {
113 [ # # ]: 0 : if (--argc < 1) goto bad;
114 : 0 : passargout= *(++argv);
115 : : }
116 : : #ifndef OPENSSL_NO_ENGINE
117 [ # # ]: 0 : else if (strcmp(*argv,"-engine") == 0)
118 : : {
119 [ # # ]: 0 : if (--argc < 1) goto bad;
120 : 0 : engine= *(++argv);
121 : : }
122 : : #endif
123 [ # # ]: 0 : else if (strcmp(*argv,"-rand") == 0)
124 : : {
125 [ # # ]: 0 : if (--argc < 1) goto bad;
126 : 0 : inrand= *(++argv);
127 : : }
128 [ # # ]: 0 : else if (strcmp(*argv,"-") == 0)
129 : : goto bad;
130 : : #ifndef OPENSSL_NO_DES
131 [ # # ]: 0 : else if (strcmp(*argv,"-des") == 0)
132 : 0 : enc=EVP_des_cbc();
133 [ # # ]: 0 : else if (strcmp(*argv,"-des3") == 0)
134 : 0 : enc=EVP_des_ede3_cbc();
135 : : #endif
136 : : #ifndef OPENSSL_NO_IDEA
137 [ # # ]: 0 : else if (strcmp(*argv,"-idea") == 0)
138 : 0 : enc=EVP_idea_cbc();
139 : : #endif
140 : : #ifndef OPENSSL_NO_SEED
141 [ # # ]: 0 : else if (strcmp(*argv,"-seed") == 0)
142 : 0 : enc=EVP_seed_cbc();
143 : : #endif
144 : : #ifndef OPENSSL_NO_AES
145 [ # # ]: 0 : else if (strcmp(*argv,"-aes128") == 0)
146 : 0 : enc=EVP_aes_128_cbc();
147 [ # # ]: 0 : else if (strcmp(*argv,"-aes192") == 0)
148 : 0 : enc=EVP_aes_192_cbc();
149 [ # # ]: 0 : else if (strcmp(*argv,"-aes256") == 0)
150 : 0 : enc=EVP_aes_256_cbc();
151 : : #endif
152 : : #ifndef OPENSSL_NO_CAMELLIA
153 [ # # ]: 0 : else if (strcmp(*argv,"-camellia128") == 0)
154 : 0 : enc=EVP_camellia_128_cbc();
155 [ # # ]: 0 : else if (strcmp(*argv,"-camellia192") == 0)
156 : 0 : enc=EVP_camellia_192_cbc();
157 [ # # ]: 0 : else if (strcmp(*argv,"-camellia256") == 0)
158 : 0 : enc=EVP_camellia_256_cbc();
159 : : #endif
160 [ # # ][ # # ]: 0 : else if (**argv != '-' && dsaparams == NULL)
161 : : {
162 : : dsaparams = *argv;
163 : : }
164 : : else
165 : : goto bad;
166 : 0 : argv++;
167 : 0 : argc--;
168 : 0 : }
169 : :
170 [ # # ]: 0 : if (dsaparams == NULL)
171 : : {
172 : : bad:
173 : 0 : BIO_printf(bio_err,"usage: gendsa [args] dsaparam-file\n");
174 : 0 : BIO_printf(bio_err," -out file - output the key to 'file'\n");
175 : : #ifndef OPENSSL_NO_DES
176 : 0 : BIO_printf(bio_err," -des - encrypt the generated key with DES in cbc mode\n");
177 : 0 : BIO_printf(bio_err," -des3 - encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
178 : : #endif
179 : : #ifndef OPENSSL_NO_IDEA
180 : 0 : BIO_printf(bio_err," -idea - encrypt the generated key with IDEA in cbc mode\n");
181 : : #endif
182 : : #ifndef OPENSSL_NO_SEED
183 : 0 : BIO_printf(bio_err," -seed\n");
184 : 0 : BIO_printf(bio_err," encrypt PEM output with cbc seed\n");
185 : : #endif
186 : : #ifndef OPENSSL_NO_AES
187 : 0 : BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
188 : 0 : BIO_printf(bio_err," encrypt PEM output with cbc aes\n");
189 : : #endif
190 : : #ifndef OPENSSL_NO_CAMELLIA
191 : 0 : BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n");
192 : 0 : BIO_printf(bio_err," encrypt PEM output with cbc camellia\n");
193 : : #endif
194 : : #ifndef OPENSSL_NO_ENGINE
195 : 0 : BIO_printf(bio_err," -engine e - use engine e, possibly a hardware device.\n");
196 : : #endif
197 : 0 : BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
198 : 0 : BIO_printf(bio_err," - load the file (or the files in the directory) into\n");
199 : 0 : BIO_printf(bio_err," the random number generator\n");
200 : 0 : BIO_printf(bio_err," dsaparam-file\n");
201 : 0 : BIO_printf(bio_err," - a DSA parameter file as generated by the dsaparam command\n");
202 : 0 : goto end;
203 : : }
204 : :
205 : : #ifndef OPENSSL_NO_ENGINE
206 : 0 : setup_engine(bio_err, engine, 0);
207 : : #endif
208 : :
209 [ # # ]: 0 : if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
210 : 0 : BIO_printf(bio_err, "Error getting password\n");
211 : 0 : goto end;
212 : : }
213 : :
214 : :
215 : 0 : in=BIO_new(BIO_s_file());
216 [ # # ]: 0 : if (!(BIO_read_filename(in,dsaparams)))
217 : : {
218 : 0 : perror(dsaparams);
219 : 0 : goto end;
220 : : }
221 : :
222 [ # # ]: 0 : if ((dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
223 : : {
224 : 0 : BIO_printf(bio_err,"unable to load DSA parameter file\n");
225 : 0 : goto end;
226 : : }
227 : 0 : BIO_free(in);
228 : 0 : in = NULL;
229 : :
230 : 0 : out=BIO_new(BIO_s_file());
231 [ # # ]: 0 : if (out == NULL) goto end;
232 : :
233 [ # # ]: 0 : if (outfile == NULL)
234 : : {
235 : 0 : BIO_set_fp(out,stdout,BIO_NOCLOSE);
236 : : #ifdef OPENSSL_SYS_VMS
237 : : {
238 : : BIO *tmpbio = BIO_new(BIO_f_linebuffer());
239 : : out = BIO_push(tmpbio, out);
240 : : }
241 : : #endif
242 : : }
243 : : else
244 : : {
245 [ # # ]: 0 : if (BIO_write_filename(out,outfile) <= 0)
246 : : {
247 : 0 : perror(outfile);
248 : 0 : goto end;
249 : : }
250 : : }
251 : :
252 [ # # ][ # # ]: 0 : if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL)
253 : : {
254 : 0 : BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
255 : : }
256 [ # # ]: 0 : if (inrand != NULL)
257 : 0 : BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
258 : : app_RAND_load_files(inrand));
259 : :
260 : 0 : BIO_printf(bio_err,"Generating DSA key, %d bits\n",
261 : 0 : BN_num_bits(dsa->p));
262 [ # # ]: 0 : if (!DSA_generate_key(dsa)) goto end;
263 : :
264 : 0 : app_RAND_write_file(NULL, bio_err);
265 : :
266 [ # # ]: 0 : if (!PEM_write_bio_DSAPrivateKey(out,dsa,enc,NULL,0,NULL, passout))
267 : : goto end;
268 : 0 : ret=0;
269 : : end:
270 [ # # ]: 0 : if (ret != 0)
271 : 0 : ERR_print_errors(bio_err);
272 [ # # ]: 0 : if (in != NULL) BIO_free(in);
273 [ # # ]: 0 : if (out != NULL) BIO_free_all(out);
274 [ # # ]: 0 : if (dsa != NULL) DSA_free(dsa);
275 [ # # ]: 0 : if(passout) OPENSSL_free(passout);
276 : : apps_shutdown();
277 : 0 : OPENSSL_EXIT(ret);
278 : : }
279 : : #else /* !OPENSSL_NO_DSA */
280 : :
281 : : # if PEDANTIC
282 : : static void *dummy=&dummy;
283 : : # endif
284 : :
285 : : #endif
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