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d02b48c6 | 1 | /* apps/genrsa.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 | ||
3eeaab4b | 59 | #include <openssl/opensslconf.h> |
5daec7ea GT |
60 | /* Until the key-gen callbacks are modified to use newer prototypes, we allow |
61 | * deprecated functions for openssl-internal code */ | |
62 | #ifdef OPENSSL_NO_DEPRECATED | |
63 | #undef OPENSSL_NO_DEPRECATED | |
64 | #endif | |
65 | ||
cf1b7d96 | 66 | #ifndef OPENSSL_NO_RSA |
d02b48c6 RE |
67 | #include <stdio.h> |
68 | #include <string.h> | |
69 | #include <sys/types.h> | |
70 | #include <sys/stat.h> | |
71 | #include "apps.h" | |
ec577822 | 72 | #include <openssl/bio.h> |
ec577822 BM |
73 | #include <openssl/err.h> |
74 | #include <openssl/bn.h> | |
75 | #include <openssl/rsa.h> | |
76 | #include <openssl/evp.h> | |
77 | #include <openssl/x509.h> | |
78 | #include <openssl/pem.h> | |
1372965e | 79 | #include <openssl/rand.h> |
d02b48c6 RE |
80 | |
81 | #define DEFBITS 512 | |
82 | #undef PROG | |
83 | #define PROG genrsa_main | |
84 | ||
2aaec9cc | 85 | static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb); |
667ac4ec RE |
86 | |
87 | int MAIN(int, char **); | |
88 | ||
6b691a5c | 89 | int MAIN(int argc, char **argv) |
d02b48c6 | 90 | { |
2aaec9cc | 91 | BN_GENCB cb; |
0b13e9f0 | 92 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 93 | ENGINE *e = NULL; |
0b13e9f0 | 94 | #endif |
d02b48c6 | 95 | int ret=1; |
d02b48c6 | 96 | int i,num=DEFBITS; |
a31011e8 | 97 | long l; |
13588350 | 98 | const EVP_CIPHER *enc=NULL; |
d02b48c6 RE |
99 | unsigned long f4=RSA_F4; |
100 | char *outfile=NULL; | |
a3fe382e | 101 | char *passargout = NULL, *passout = NULL; |
0b13e9f0 | 102 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 103 | char *engine=NULL; |
0b13e9f0 | 104 | #endif |
f365611c | 105 | char *inrand=NULL; |
d02b48c6 | 106 | BIO *out=NULL; |
bcfea9fb | 107 | BIGNUM *bn = BN_new(); |
645532b9 | 108 | RSA *rsa = NULL; |
bcfea9fb | 109 | |
645532b9 | 110 | if(!bn) goto err; |
d02b48c6 RE |
111 | |
112 | apps_startup(); | |
2aaec9cc | 113 | BN_GENCB_set(&cb, genrsa_cb, bio_err); |
d02b48c6 RE |
114 | |
115 | if (bio_err == NULL) | |
116 | if ((bio_err=BIO_new(BIO_s_file())) != NULL) | |
58964a49 | 117 | BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); |
3647bee2 DSH |
118 | |
119 | if (!load_config(bio_err, NULL)) | |
120 | goto err; | |
d02b48c6 RE |
121 | if ((out=BIO_new(BIO_s_file())) == NULL) |
122 | { | |
657e60fa | 123 | BIO_printf(bio_err,"unable to create BIO for output\n"); |
d02b48c6 RE |
124 | goto err; |
125 | } | |
126 | ||
127 | argv++; | |
128 | argc--; | |
129 | for (;;) | |
130 | { | |
131 | if (argc <= 0) break; | |
132 | if (strcmp(*argv,"-out") == 0) | |
133 | { | |
134 | if (--argc < 1) goto bad; | |
135 | outfile= *(++argv); | |
136 | } | |
137 | else if (strcmp(*argv,"-3") == 0) | |
138 | f4=3; | |
f1d92d94 | 139 | else if (strcmp(*argv,"-F4") == 0 || strcmp(*argv,"-f4") == 0) |
d02b48c6 | 140 | f4=RSA_F4; |
0b13e9f0 | 141 | #ifndef OPENSSL_NO_ENGINE |
5270e702 RL |
142 | else if (strcmp(*argv,"-engine") == 0) |
143 | { | |
144 | if (--argc < 1) goto bad; | |
145 | engine= *(++argv); | |
146 | } | |
0b13e9f0 | 147 | #endif |
d02b48c6 RE |
148 | else if (strcmp(*argv,"-rand") == 0) |
149 | { | |
150 | if (--argc < 1) goto bad; | |
151 | inrand= *(++argv); | |
152 | } | |
cf1b7d96 | 153 | #ifndef OPENSSL_NO_DES |
d02b48c6 RE |
154 | else if (strcmp(*argv,"-des") == 0) |
155 | enc=EVP_des_cbc(); | |
156 | else if (strcmp(*argv,"-des3") == 0) | |
157 | enc=EVP_des_ede3_cbc(); | |
158 | #endif | |
cf1b7d96 | 159 | #ifndef OPENSSL_NO_IDEA |
d02b48c6 RE |
160 | else if (strcmp(*argv,"-idea") == 0) |
161 | enc=EVP_idea_cbc(); | |
b3dfaaa1 | 162 | #endif |
96afc1cf BM |
163 | #ifndef OPENSSL_NO_SEED |
164 | else if (strcmp(*argv,"-seed") == 0) | |
165 | enc=EVP_seed_cbc(); | |
166 | #endif | |
b3dfaaa1 RL |
167 | #ifndef OPENSSL_NO_AES |
168 | else if (strcmp(*argv,"-aes128") == 0) | |
169 | enc=EVP_aes_128_cbc(); | |
170 | else if (strcmp(*argv,"-aes192") == 0) | |
171 | enc=EVP_aes_192_cbc(); | |
172 | else if (strcmp(*argv,"-aes256") == 0) | |
173 | enc=EVP_aes_256_cbc(); | |
f3dea9a5 BM |
174 | #endif |
175 | #ifndef OPENSSL_NO_CAMELLIA | |
176 | else if (strcmp(*argv,"-camellia128") == 0) | |
177 | enc=EVP_camellia_128_cbc(); | |
178 | else if (strcmp(*argv,"-camellia192") == 0) | |
179 | enc=EVP_camellia_192_cbc(); | |
180 | else if (strcmp(*argv,"-camellia256") == 0) | |
181 | enc=EVP_camellia_256_cbc(); | |
d02b48c6 | 182 | #endif |
f07fb9b2 DSH |
183 | else if (strcmp(*argv,"-passout") == 0) |
184 | { | |
185 | if (--argc < 1) goto bad; | |
a3fe382e | 186 | passargout= *(++argv); |
f07fb9b2 | 187 | } |
d02b48c6 RE |
188 | else |
189 | break; | |
190 | argv++; | |
191 | argc--; | |
192 | } | |
193 | if ((argc >= 1) && ((sscanf(*argv,"%d",&num) == 0) || (num < 0))) | |
194 | { | |
195 | bad: | |
196 | BIO_printf(bio_err,"usage: genrsa [args] [numbits]\n"); | |
f07fb9b2 DSH |
197 | BIO_printf(bio_err," -des encrypt the generated key with DES in cbc mode\n"); |
198 | BIO_printf(bio_err," -des3 encrypt the generated key with DES in ede cbc mode (168 bit key)\n"); | |
cf1b7d96 | 199 | #ifndef OPENSSL_NO_IDEA |
f07fb9b2 | 200 | BIO_printf(bio_err," -idea encrypt the generated key with IDEA in cbc mode\n"); |
b3dfaaa1 | 201 | #endif |
96afc1cf BM |
202 | #ifndef OPENSSL_NO_SEED |
203 | BIO_printf(bio_err," -seed\n"); | |
204 | BIO_printf(bio_err," encrypt PEM output with cbc seed\n"); | |
205 | #endif | |
b3dfaaa1 RL |
206 | #ifndef OPENSSL_NO_AES |
207 | BIO_printf(bio_err," -aes128, -aes192, -aes256\n"); | |
208 | BIO_printf(bio_err," encrypt PEM output with cbc aes\n"); | |
f3dea9a5 BM |
209 | #endif |
210 | #ifndef OPENSSL_NO_CAMELLIA | |
211 | BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n"); | |
212 | BIO_printf(bio_err," encrypt PEM output with cbc camellia\n"); | |
d02b48c6 | 213 | #endif |
f07fb9b2 | 214 | BIO_printf(bio_err," -out file output the key to 'file\n"); |
a3fe382e | 215 | BIO_printf(bio_err," -passout arg output file pass phrase source\n"); |
f07fb9b2 DSH |
216 | BIO_printf(bio_err," -f4 use F4 (0x10001) for the E value\n"); |
217 | BIO_printf(bio_err," -3 use 3 for the E value\n"); | |
0b13e9f0 | 218 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 219 | BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); |
0b13e9f0 | 220 | #endif |
afbd0746 | 221 | BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); |
f07fb9b2 DSH |
222 | BIO_printf(bio_err," load the file (or the files in the directory) into\n"); |
223 | BIO_printf(bio_err," the random number generator\n"); | |
d02b48c6 RE |
224 | goto err; |
225 | } | |
226 | ||
227 | ERR_load_crypto_strings(); | |
a3fe382e DSH |
228 | |
229 | if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) { | |
230 | BIO_printf(bio_err, "Error getting password\n"); | |
231 | goto err; | |
232 | } | |
233 | ||
0b13e9f0 | 234 | #ifndef OPENSSL_NO_ENGINE |
531d630b | 235 | e = setup_engine(bio_err, engine, 0); |
0b13e9f0 | 236 | #endif |
5270e702 | 237 | |
d02b48c6 | 238 | if (outfile == NULL) |
645749ef | 239 | { |
d02b48c6 | 240 | BIO_set_fp(out,stdout,BIO_NOCLOSE); |
bc36ee62 | 241 | #ifdef OPENSSL_SYS_VMS |
645749ef RL |
242 | { |
243 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
244 | out = BIO_push(tmpbio, out); | |
245 | } | |
246 | #endif | |
247 | } | |
d02b48c6 RE |
248 | else |
249 | { | |
250 | if (BIO_write_filename(out,outfile) <= 0) | |
251 | { | |
252 | perror(outfile); | |
253 | goto err; | |
254 | } | |
255 | } | |
256 | ||
5270e702 RL |
257 | if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL |
258 | && !RAND_status()) | |
d02b48c6 | 259 | { |
a31011e8 | 260 | BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); |
d02b48c6 | 261 | } |
a31011e8 BM |
262 | if (inrand != NULL) |
263 | BIO_printf(bio_err,"%ld semi-random bytes loaded\n", | |
264 | app_RAND_load_files(inrand)); | |
d02b48c6 RE |
265 | |
266 | BIO_printf(bio_err,"Generating RSA private key, %d bit long modulus\n", | |
267 | num); | |
a05b8d0e | 268 | #ifdef OPENSSL_NO_ENGINE |
645532b9 | 269 | rsa = RSA_new(); |
a05b8d0e DSH |
270 | #else |
271 | rsa = RSA_new_method(e); | |
272 | #endif | |
645532b9 DSH |
273 | if (!rsa) |
274 | goto err; | |
275 | ||
bcfea9fb | 276 | if(!BN_set_word(bn, f4) || !RSA_generate_key_ex(rsa, num, bn, &cb)) |
2aaec9cc | 277 | goto err; |
d02b48c6 | 278 | |
a31011e8 | 279 | app_RAND_write_file(NULL, bio_err); |
d02b48c6 | 280 | |
657e60fa | 281 | /* We need to do the following for when the base number size is < |
d02b48c6 RE |
282 | * long, esp windows 3.1 :-(. */ |
283 | l=0L; | |
284 | for (i=0; i<rsa->e->top; i++) | |
285 | { | |
286 | #ifndef SIXTY_FOUR_BIT | |
287 | l<<=BN_BITS4; | |
288 | l<<=BN_BITS4; | |
289 | #endif | |
290 | l+=rsa->e->d[i]; | |
291 | } | |
292 | BIO_printf(bio_err,"e is %ld (0x%lX)\n",l,l); | |
6dcd1c91 RL |
293 | { |
294 | PW_CB_DATA cb_data; | |
295 | cb_data.password = passout; | |
296 | cb_data.prompt_info = outfile; | |
297 | if (!PEM_write_bio_RSAPrivateKey(out,rsa,enc,NULL,0, | |
298 | (pem_password_cb *)password_callback,&cb_data)) | |
d02b48c6 | 299 | goto err; |
6dcd1c91 | 300 | } |
d02b48c6 RE |
301 | |
302 | ret=0; | |
303 | err: | |
bcfea9fb GT |
304 | if (bn) BN_free(bn); |
305 | if (rsa) RSA_free(rsa); | |
306 | if (out) BIO_free_all(out); | |
26a3a48d | 307 | if(passout) OPENSSL_free(passout); |
d02b48c6 RE |
308 | if (ret != 0) |
309 | ERR_print_errors(bio_err); | |
c04f8cf4 | 310 | apps_shutdown(); |
1c3e4a36 | 311 | OPENSSL_EXIT(ret); |
d02b48c6 RE |
312 | } |
313 | ||
2aaec9cc | 314 | static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb) |
d02b48c6 RE |
315 | { |
316 | char c='*'; | |
317 | ||
318 | if (p == 0) c='.'; | |
319 | if (p == 1) c='+'; | |
320 | if (p == 2) c='*'; | |
321 | if (p == 3) c='\n'; | |
2aaec9cc GT |
322 | BIO_write(cb->arg,&c,1); |
323 | (void)BIO_flush(cb->arg); | |
d02b48c6 RE |
324 | #ifdef LINT |
325 | p=n; | |
326 | #endif | |
2aaec9cc | 327 | return 1; |
d02b48c6 | 328 | } |
cf1b7d96 | 329 | #else /* !OPENSSL_NO_RSA */ |
752d706a BL |
330 | |
331 | # if PEDANTIC | |
332 | static void *dummy=&dummy; | |
333 | # endif | |
334 | ||
f5d7a031 | 335 | #endif |