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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. | |
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 | ||
cf1b7d96 | 59 | #ifndef OPENSSL_NO_DSA |
d02b48c6 RE |
60 | #include <stdio.h> |
61 | #include <string.h> | |
62 | #include <sys/types.h> | |
63 | #include <sys/stat.h> | |
64 | #include "apps.h" | |
ec577822 | 65 | #include <openssl/bio.h> |
ec577822 BM |
66 | #include <openssl/err.h> |
67 | #include <openssl/bn.h> | |
68 | #include <openssl/dsa.h> | |
69 | #include <openssl/x509.h> | |
70 | #include <openssl/pem.h> | |
5270e702 | 71 | #include <openssl/engine.h> |
d02b48c6 RE |
72 | |
73 | #define DEFBITS 512 | |
74 | #undef PROG | |
75 | #define PROG gendsa_main | |
76 | ||
667ac4ec RE |
77 | int MAIN(int, char **); |
78 | ||
6b691a5c | 79 | int MAIN(int argc, char **argv) |
d02b48c6 | 80 | { |
5270e702 | 81 | ENGINE *e = NULL; |
d02b48c6 | 82 | DSA *dsa=NULL; |
7f9b7b07 | 83 | int ret=1; |
d02b48c6 | 84 | char *outfile=NULL; |
f365611c | 85 | char *inrand=NULL,*dsaparams=NULL; |
a3fe382e | 86 | char *passargout = NULL, *passout = NULL; |
d02b48c6 | 87 | BIO *out=NULL,*in=NULL; |
13588350 | 88 | const EVP_CIPHER *enc=NULL; |
5270e702 | 89 | char *engine=NULL; |
d02b48c6 RE |
90 | |
91 | apps_startup(); | |
92 | ||
93 | if (bio_err == NULL) | |
94 | if ((bio_err=BIO_new(BIO_s_file())) != NULL) | |
58964a49 | 95 | BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); |
d02b48c6 RE |
96 | |
97 | argv++; | |
98 | argc--; | |
99 | for (;;) | |
100 | { | |
101 | if (argc <= 0) break; | |
102 | if (strcmp(*argv,"-out") == 0) | |
103 | { | |
104 | if (--argc < 1) goto bad; | |
105 | outfile= *(++argv); | |
106 | } | |
f07fb9b2 DSH |
107 | else if (strcmp(*argv,"-passout") == 0) |
108 | { | |
109 | if (--argc < 1) goto bad; | |
a3fe382e | 110 | passargout= *(++argv); |
f07fb9b2 | 111 | } |
5270e702 RL |
112 | else if (strcmp(*argv,"-engine") == 0) |
113 | { | |
114 | if (--argc < 1) goto bad; | |
115 | engine= *(++argv); | |
116 | } | |
d02b48c6 RE |
117 | else if (strcmp(*argv,"-rand") == 0) |
118 | { | |
119 | if (--argc < 1) goto bad; | |
120 | inrand= *(++argv); | |
121 | } | |
122 | else if (strcmp(*argv,"-") == 0) | |
123 | goto bad; | |
cf1b7d96 | 124 | #ifndef OPENSSL_NO_DES |
7f9b7b07 DSH |
125 | else if (strcmp(*argv,"-des") == 0) |
126 | enc=EVP_des_cbc(); | |
127 | else if (strcmp(*argv,"-des3") == 0) | |
128 | enc=EVP_des_ede3_cbc(); | |
129 | #endif | |
cf1b7d96 | 130 | #ifndef OPENSSL_NO_IDEA |
7f9b7b07 DSH |
131 | else if (strcmp(*argv,"-idea") == 0) |
132 | enc=EVP_idea_cbc(); | |
133 | #endif | |
e42979f2 | 134 | else if (**argv != '-' && dsaparams == NULL) |
c69e361f BM |
135 | { |
136 | dsaparams = *argv; | |
137 | } | |
d02b48c6 RE |
138 | else |
139 | goto bad; | |
140 | argv++; | |
141 | argc--; | |
142 | } | |
143 | ||
144 | if (dsaparams == NULL) | |
145 | { | |
146 | bad: | |
f2f351ce | 147 | BIO_printf(bio_err,"usage: gendsa [args] dsaparam-file\n"); |
7f9b7b07 | 148 | BIO_printf(bio_err," -out file - output the key to 'file'\n"); |
cf1b7d96 | 149 | #ifndef OPENSSL_NO_DES |
7f9b7b07 DSH |
150 | BIO_printf(bio_err," -des - encrypt the generated key with DES in cbc mode\n"); |
151 | BIO_printf(bio_err," -des3 - encrypt the generated key with DES in ede cbc mode (168 bit key)\n"); | |
152 | #endif | |
cf1b7d96 | 153 | #ifndef OPENSSL_NO_IDEA |
7f9b7b07 DSH |
154 | BIO_printf(bio_err," -idea - encrypt the generated key with IDEA in cbc mode\n"); |
155 | #endif | |
5270e702 | 156 | BIO_printf(bio_err," -engine e - use engine e, possibly a hardware device.\n"); |
afbd0746 | 157 | BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); |
d02b48c6 RE |
158 | BIO_printf(bio_err," - load the file (or the files in the directory) into\n"); |
159 | BIO_printf(bio_err," the random number generator\n"); | |
f2f351ce RE |
160 | BIO_printf(bio_err," dsaparam-file\n"); |
161 | BIO_printf(bio_err," - a DSA parameter file as generated by the dsaparam command\n"); | |
d02b48c6 RE |
162 | goto end; |
163 | } | |
164 | ||
5270e702 RL |
165 | if (engine != NULL) |
166 | { | |
167 | if((e = ENGINE_by_id(engine)) == NULL) | |
168 | { | |
169 | BIO_printf(bio_err,"invalid engine \"%s\"\n", | |
170 | engine); | |
171 | goto end; | |
172 | } | |
173 | if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) | |
174 | { | |
175 | BIO_printf(bio_err,"can't use that engine\n"); | |
176 | goto end; | |
177 | } | |
178 | BIO_printf(bio_err,"engine \"%s\" set.\n", engine); | |
179 | /* Free our "structural" reference. */ | |
180 | ENGINE_free(e); | |
181 | } | |
182 | ||
a3fe382e DSH |
183 | if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) { |
184 | BIO_printf(bio_err, "Error getting password\n"); | |
185 | goto end; | |
186 | } | |
187 | ||
188 | ||
d02b48c6 | 189 | in=BIO_new(BIO_s_file()); |
7f9b7b07 | 190 | if (!(BIO_read_filename(in,dsaparams))) |
d02b48c6 RE |
191 | { |
192 | perror(dsaparams); | |
193 | goto end; | |
194 | } | |
195 | ||
74678cc2 | 196 | if ((dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL) |
d02b48c6 RE |
197 | { |
198 | BIO_printf(bio_err,"unable to load DSA parameter file\n"); | |
199 | goto end; | |
200 | } | |
201 | BIO_free(in); | |
8652d1c2 | 202 | in = NULL; |
d02b48c6 RE |
203 | |
204 | out=BIO_new(BIO_s_file()); | |
205 | if (out == NULL) goto end; | |
206 | ||
207 | if (outfile == NULL) | |
645749ef | 208 | { |
d02b48c6 | 209 | BIO_set_fp(out,stdout,BIO_NOCLOSE); |
bc36ee62 | 210 | #ifdef OPENSSL_SYS_VMS |
645749ef RL |
211 | { |
212 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
213 | out = BIO_push(tmpbio, out); | |
214 | } | |
215 | #endif | |
216 | } | |
d02b48c6 RE |
217 | else |
218 | { | |
219 | if (BIO_write_filename(out,outfile) <= 0) | |
220 | { | |
221 | perror(outfile); | |
222 | goto end; | |
223 | } | |
224 | } | |
225 | ||
f365611c | 226 | if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) |
d02b48c6 | 227 | { |
a31011e8 | 228 | BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); |
d02b48c6 | 229 | } |
a31011e8 BM |
230 | if (inrand != NULL) |
231 | BIO_printf(bio_err,"%ld semi-random bytes loaded\n", | |
232 | app_RAND_load_files(inrand)); | |
d02b48c6 | 233 | |
7f9b7b07 DSH |
234 | BIO_printf(bio_err,"Generating DSA key, %d bits\n", |
235 | BN_num_bits(dsa->p)); | |
d02b48c6 RE |
236 | if (!DSA_generate_key(dsa)) goto end; |
237 | ||
a31011e8 | 238 | app_RAND_write_file(NULL, bio_err); |
d02b48c6 | 239 | |
a3fe382e | 240 | if (!PEM_write_bio_DSAPrivateKey(out,dsa,enc,NULL,0,NULL, passout)) |
d02b48c6 RE |
241 | goto end; |
242 | ret=0; | |
243 | end: | |
244 | if (ret != 0) | |
245 | ERR_print_errors(bio_err); | |
8652d1c2 | 246 | if (in != NULL) BIO_free(in); |
645749ef | 247 | if (out != NULL) BIO_free_all(out); |
d02b48c6 | 248 | if (dsa != NULL) DSA_free(dsa); |
26a3a48d | 249 | if(passout) OPENSSL_free(passout); |
d02b48c6 RE |
250 | EXIT(ret); |
251 | } | |
f5d7a031 | 252 | #endif |