Branch data Line data Source code
1 : : /* apps/genrsa.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>
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 : :
66 : : #ifndef OPENSSL_NO_RSA
67 : : #include <stdio.h>
68 : : #include <string.h>
69 : : #include <sys/types.h>
70 : : #include <sys/stat.h>
71 : : #include "apps.h"
72 : : #include <openssl/bio.h>
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>
79 : : #include <openssl/rand.h>
80 : :
81 : : #define DEFBITS 1024
82 : : #undef PROG
83 : : #define PROG genrsa_main
84 : :
85 : : static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb);
86 : :
87 : : int MAIN(int, char **);
88 : :
89 : 0 : int MAIN(int argc, char **argv)
90 : : {
91 : : BN_GENCB cb;
92 : : #ifndef OPENSSL_NO_ENGINE
93 : 0 : ENGINE *e = NULL;
94 : : #endif
95 : 0 : int ret=1;
96 : 0 : int non_fips_allow = 0;
97 : 0 : int i,num=DEFBITS;
98 : : long l;
99 : 0 : const EVP_CIPHER *enc=NULL;
100 : 0 : unsigned long f4=RSA_F4;
101 : 0 : char *outfile=NULL;
102 : 0 : char *passargout = NULL, *passout = NULL;
103 : : #ifndef OPENSSL_NO_ENGINE
104 : 0 : char *engine=NULL;
105 : : #endif
106 : 0 : char *inrand=NULL;
107 : 0 : BIO *out=NULL;
108 : 0 : BIGNUM *bn = BN_new();
109 : 0 : RSA *rsa = NULL;
110 : :
111 [ # # ]: 0 : if(!bn) goto err;
112 : :
113 : 0 : apps_startup();
114 : 0 : BN_GENCB_set(&cb, genrsa_cb, bio_err);
115 : :
116 [ # # ]: 0 : if (bio_err == NULL)
117 [ # # ]: 0 : if ((bio_err=BIO_new(BIO_s_file())) != NULL)
118 : 0 : BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
119 : :
120 [ # # ]: 0 : if (!load_config(bio_err, NULL))
121 : : goto err;
122 [ # # ]: 0 : if ((out=BIO_new(BIO_s_file())) == NULL)
123 : : {
124 : 0 : BIO_printf(bio_err,"unable to create BIO for output\n");
125 : 0 : goto err;
126 : : }
127 : :
128 : 0 : argv++;
129 : 0 : argc--;
130 : : for (;;)
131 : : {
132 [ # # ]: 0 : if (argc <= 0) break;
133 [ # # ]: 0 : if (strcmp(*argv,"-out") == 0)
134 : : {
135 [ # # ]: 0 : if (--argc < 1) goto bad;
136 : 0 : outfile= *(++argv);
137 : : }
138 [ # # ]: 0 : else if (strcmp(*argv,"-3") == 0)
139 : : f4=3;
140 [ # # ][ # # ]: 0 : else if (strcmp(*argv,"-F4") == 0 || strcmp(*argv,"-f4") == 0)
141 : : f4=RSA_F4;
142 : : #ifndef OPENSSL_NO_ENGINE
143 [ # # ]: 0 : else if (strcmp(*argv,"-engine") == 0)
144 : : {
145 [ # # ]: 0 : if (--argc < 1) goto bad;
146 : 0 : engine= *(++argv);
147 : : }
148 : : #endif
149 [ # # ]: 0 : else if (strcmp(*argv,"-rand") == 0)
150 : : {
151 [ # # ]: 0 : if (--argc < 1) goto bad;
152 : 0 : inrand= *(++argv);
153 : : }
154 : : #ifndef OPENSSL_NO_DES
155 [ # # ]: 0 : else if (strcmp(*argv,"-des") == 0)
156 : 0 : enc=EVP_des_cbc();
157 [ # # ]: 0 : else if (strcmp(*argv,"-des3") == 0)
158 : 0 : enc=EVP_des_ede3_cbc();
159 : : #endif
160 : : #ifndef OPENSSL_NO_IDEA
161 [ # # ]: 0 : else if (strcmp(*argv,"-idea") == 0)
162 : 0 : enc=EVP_idea_cbc();
163 : : #endif
164 : : #ifndef OPENSSL_NO_SEED
165 [ # # ]: 0 : else if (strcmp(*argv,"-seed") == 0)
166 : 0 : enc=EVP_seed_cbc();
167 : : #endif
168 : : #ifndef OPENSSL_NO_AES
169 [ # # ]: 0 : else if (strcmp(*argv,"-aes128") == 0)
170 : 0 : enc=EVP_aes_128_cbc();
171 [ # # ]: 0 : else if (strcmp(*argv,"-aes192") == 0)
172 : 0 : enc=EVP_aes_192_cbc();
173 [ # # ]: 0 : else if (strcmp(*argv,"-aes256") == 0)
174 : 0 : enc=EVP_aes_256_cbc();
175 : : #endif
176 : : #ifndef OPENSSL_NO_CAMELLIA
177 [ # # ]: 0 : else if (strcmp(*argv,"-camellia128") == 0)
178 : 0 : enc=EVP_camellia_128_cbc();
179 [ # # ]: 0 : else if (strcmp(*argv,"-camellia192") == 0)
180 : 0 : enc=EVP_camellia_192_cbc();
181 [ # # ]: 0 : else if (strcmp(*argv,"-camellia256") == 0)
182 : 0 : enc=EVP_camellia_256_cbc();
183 : : #endif
184 [ # # ]: 0 : else if (strcmp(*argv,"-passout") == 0)
185 : : {
186 [ # # ]: 0 : if (--argc < 1) goto bad;
187 : 0 : passargout= *(++argv);
188 : : }
189 [ # # ]: 0 : else if (strcmp(*argv,"-non-fips-allow") == 0)
190 : : non_fips_allow = 1;
191 : : else
192 : : break;
193 : 0 : argv++;
194 : 0 : argc--;
195 : 0 : }
196 [ # # ][ # # ]: 0 : if ((argc >= 1) && ((sscanf(*argv,"%d",&num) == 0) || (num < 0)))
[ # # ]
197 : : {
198 : : bad:
199 : 0 : BIO_printf(bio_err,"usage: genrsa [args] [numbits]\n");
200 : 0 : BIO_printf(bio_err," -des encrypt the generated key with DES in cbc mode\n");
201 : 0 : BIO_printf(bio_err," -des3 encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
202 : : #ifndef OPENSSL_NO_IDEA
203 : 0 : BIO_printf(bio_err," -idea encrypt the generated key with IDEA in cbc mode\n");
204 : : #endif
205 : : #ifndef OPENSSL_NO_SEED
206 : 0 : BIO_printf(bio_err," -seed\n");
207 : 0 : BIO_printf(bio_err," encrypt PEM output with cbc seed\n");
208 : : #endif
209 : : #ifndef OPENSSL_NO_AES
210 : 0 : BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
211 : 0 : BIO_printf(bio_err," encrypt PEM output with cbc aes\n");
212 : : #endif
213 : : #ifndef OPENSSL_NO_CAMELLIA
214 : 0 : BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n");
215 : 0 : BIO_printf(bio_err," encrypt PEM output with cbc camellia\n");
216 : : #endif
217 : 0 : BIO_printf(bio_err," -out file output the key to 'file\n");
218 : 0 : BIO_printf(bio_err," -passout arg output file pass phrase source\n");
219 : 0 : BIO_printf(bio_err," -f4 use F4 (0x10001) for the E value\n");
220 : 0 : BIO_printf(bio_err," -3 use 3 for the E value\n");
221 : : #ifndef OPENSSL_NO_ENGINE
222 : 0 : BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
223 : : #endif
224 : 0 : BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
225 : 0 : BIO_printf(bio_err," load the file (or the files in the directory) into\n");
226 : 0 : BIO_printf(bio_err," the random number generator\n");
227 : 0 : goto err;
228 : : }
229 : :
230 : 0 : ERR_load_crypto_strings();
231 : :
232 [ # # ]: 0 : if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
233 : 0 : BIO_printf(bio_err, "Error getting password\n");
234 : 0 : goto err;
235 : : }
236 : :
237 : : #ifndef OPENSSL_NO_ENGINE
238 : 0 : e = setup_engine(bio_err, engine, 0);
239 : : #endif
240 : :
241 [ # # ]: 0 : if (outfile == NULL)
242 : : {
243 : 0 : BIO_set_fp(out,stdout,BIO_NOCLOSE);
244 : : #ifdef OPENSSL_SYS_VMS
245 : : {
246 : : BIO *tmpbio = BIO_new(BIO_f_linebuffer());
247 : : out = BIO_push(tmpbio, out);
248 : : }
249 : : #endif
250 : : }
251 : : else
252 : : {
253 [ # # ]: 0 : if (BIO_write_filename(out,outfile) <= 0)
254 : : {
255 : 0 : perror(outfile);
256 : 0 : goto err;
257 : : }
258 : : }
259 : :
260 [ # # ][ # # ]: 0 : if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
261 [ # # ]: 0 : && !RAND_status())
262 : : {
263 : 0 : BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
264 : : }
265 [ # # ]: 0 : if (inrand != NULL)
266 : 0 : BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
267 : : app_RAND_load_files(inrand));
268 : :
269 : 0 : BIO_printf(bio_err,"Generating RSA private key, %d bit long modulus\n",
270 : : num);
271 : : #ifdef OPENSSL_NO_ENGINE
272 : : rsa = RSA_new();
273 : : #else
274 : 0 : rsa = RSA_new_method(e);
275 : : #endif
276 [ # # ]: 0 : if (!rsa)
277 : : goto err;
278 : :
279 [ # # ]: 0 : if (non_fips_allow)
280 : 0 : rsa->flags |= RSA_FLAG_NON_FIPS_ALLOW;
281 : :
282 [ # # ][ # # ]: 0 : if(!BN_set_word(bn, f4) || !RSA_generate_key_ex(rsa, num, bn, &cb))
283 : : goto err;
284 : :
285 : 0 : app_RAND_write_file(NULL, bio_err);
286 : :
287 : : /* We need to do the following for when the base number size is <
288 : : * long, esp windows 3.1 :-(. */
289 : 0 : l=0L;
290 [ # # ]: 0 : for (i=0; i<rsa->e->top; i++)
291 : : {
292 : : #ifndef SIXTY_FOUR_BIT
293 : 0 : l<<=BN_BITS4;
294 : 0 : l<<=BN_BITS4;
295 : : #endif
296 : 0 : l+=rsa->e->d[i];
297 : : }
298 : 0 : BIO_printf(bio_err,"e is %ld (0x%lX)\n",l,l);
299 : : {
300 : : PW_CB_DATA cb_data;
301 : 0 : cb_data.password = passout;
302 : 0 : cb_data.prompt_info = outfile;
303 [ # # ]: 0 : if (!PEM_write_bio_RSAPrivateKey(out,rsa,enc,NULL,0,
304 : : (pem_password_cb *)password_callback,&cb_data))
305 : : goto err;
306 : : }
307 : :
308 : 0 : ret=0;
309 : : err:
310 [ # # ]: 0 : if (bn) BN_free(bn);
311 [ # # ]: 0 : if (rsa) RSA_free(rsa);
312 [ # # ]: 0 : if (out) BIO_free_all(out);
313 [ # # ]: 0 : if(passout) OPENSSL_free(passout);
314 [ # # ]: 0 : if (ret != 0)
315 : 0 : ERR_print_errors(bio_err);
316 : : apps_shutdown();
317 : 0 : OPENSSL_EXIT(ret);
318 : : }
319 : :
320 : 0 : static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb)
321 : : {
322 : 0 : char c='*';
323 : :
324 [ # # ]: 0 : if (p == 0) c='.';
325 [ # # ]: 0 : if (p == 1) c='+';
326 [ # # ]: 0 : if (p == 2) c='*';
327 [ # # ]: 0 : if (p == 3) c='\n';
328 : 0 : BIO_write(cb->arg,&c,1);
329 : 0 : (void)BIO_flush(cb->arg);
330 : : #ifdef LINT
331 : : p=n;
332 : : #endif
333 : 0 : return 1;
334 : : }
335 : : #else /* !OPENSSL_NO_RSA */
336 : :
337 : : # if PEDANTIC
338 : : static void *dummy=&dummy;
339 : : # endif
340 : :
341 : : #endif
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