etc/services - sync with NetBSD-8
[minix.git] / crypto / external / bsd / openssl / dist / apps / genrsa.c
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1 /* apps/genrsa.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
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.
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).
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.
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)"
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.
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.]
59 #include <openssl/opensslconf.h>
61 * Until the key-gen callbacks are modified to use newer prototypes, we allow
62 * deprecated functions for openssl-internal code
64 #ifdef OPENSSL_NO_DEPRECATED
65 # undef OPENSSL_NO_DEPRECATED
66 #endif
68 #ifndef OPENSSL_NO_RSA
69 # include <stdio.h>
70 # include <string.h>
71 # include <sys/types.h>
72 # include <sys/stat.h>
73 # include "apps.h"
74 # include <openssl/bio.h>
75 # include <openssl/err.h>
76 # include <openssl/bn.h>
77 # include <openssl/rsa.h>
78 # include <openssl/evp.h>
79 # include <openssl/x509.h>
80 # include <openssl/pem.h>
81 # include <openssl/rand.h>
83 # define DEFBITS 1024
84 # undef PROG
85 # define PROG genrsa_main
87 static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb);
89 int MAIN(int, char **);
91 int MAIN(int argc, char **argv)
93 BN_GENCB cb;
94 # ifndef OPENSSL_NO_ENGINE
95 ENGINE *e = NULL;
96 # endif
97 int ret = 1;
98 int i, num = DEFBITS;
99 long l;
100 const EVP_CIPHER *enc = NULL;
101 unsigned long f4 = RSA_F4;
102 char *outfile = NULL;
103 char *passargout = NULL, *passout = NULL;
104 # ifndef OPENSSL_NO_ENGINE
105 char *engine = NULL;
106 # endif
107 char *inrand = NULL;
108 BIO *out = NULL;
109 BIGNUM *bn = BN_new();
110 RSA *rsa = NULL;
112 if (!bn)
113 goto err;
115 apps_startup();
116 BN_GENCB_set(&cb, genrsa_cb, bio_err);
118 if (bio_err == NULL)
119 if ((bio_err = BIO_new(BIO_s_file())) != NULL)
120 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
122 if (!load_config(bio_err, NULL))
123 goto err;
124 if ((out = BIO_new(BIO_s_file())) == NULL) {
125 BIO_printf(bio_err, "unable to create BIO for output\n");
126 goto err;
129 argv++;
130 argc--;
131 for (;;) {
132 if (argc <= 0)
133 break;
134 if (strcmp(*argv, "-out") == 0) {
135 if (--argc < 1)
136 goto bad;
137 outfile = *(++argv);
138 } else if (strcmp(*argv, "-3") == 0)
139 f4 = 3;
140 else if (strcmp(*argv, "-F4") == 0 || strcmp(*argv, "-f4") == 0)
141 f4 = RSA_F4;
142 # ifndef OPENSSL_NO_ENGINE
143 else if (strcmp(*argv, "-engine") == 0) {
144 if (--argc < 1)
145 goto bad;
146 engine = *(++argv);
148 # endif
149 else if (strcmp(*argv, "-rand") == 0) {
150 if (--argc < 1)
151 goto bad;
152 inrand = *(++argv);
154 # ifndef OPENSSL_NO_DES
155 else if (strcmp(*argv, "-des") == 0)
156 enc = EVP_des_cbc();
157 else if (strcmp(*argv, "-des3") == 0)
158 enc = EVP_des_ede3_cbc();
159 # endif
160 # ifndef OPENSSL_NO_IDEA
161 else if (strcmp(*argv, "-idea") == 0)
162 enc = EVP_idea_cbc();
163 # endif
164 # ifndef OPENSSL_NO_SEED
165 else if (strcmp(*argv, "-seed") == 0)
166 enc = EVP_seed_cbc();
167 # endif
168 # ifndef OPENSSL_NO_AES
169 else if (strcmp(*argv, "-aes128") == 0)
170 enc = EVP_aes_128_cbc();
171 else if (strcmp(*argv, "-aes192") == 0)
172 enc = EVP_aes_192_cbc();
173 else if (strcmp(*argv, "-aes256") == 0)
174 enc = EVP_aes_256_cbc();
175 # endif
176 # ifndef OPENSSL_NO_CAMELLIA
177 else if (strcmp(*argv, "-camellia128") == 0)
178 enc = EVP_camellia_128_cbc();
179 else if (strcmp(*argv, "-camellia192") == 0)
180 enc = EVP_camellia_192_cbc();
181 else if (strcmp(*argv, "-camellia256") == 0)
182 enc = EVP_camellia_256_cbc();
183 # endif
184 else if (strcmp(*argv, "-passout") == 0) {
185 if (--argc < 1)
186 goto bad;
187 passargout = *(++argv);
188 } else
189 break;
190 argv++;
191 argc--;
193 if ((argc >= 1) && ((sscanf(*argv, "%d", &num) == 0) || (num < 0))) {
194 bad:
195 BIO_printf(bio_err, "usage: genrsa [args] [numbits]\n");
196 BIO_printf(bio_err,
197 " -des encrypt the generated key with DES in cbc mode\n");
198 BIO_printf(bio_err,
199 " -des3 encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
200 # ifndef OPENSSL_NO_IDEA
201 BIO_printf(bio_err,
202 " -idea encrypt the generated key with IDEA in cbc mode\n");
203 # endif
204 # ifndef OPENSSL_NO_SEED
205 BIO_printf(bio_err, " -seed\n");
206 BIO_printf(bio_err,
207 " encrypt PEM output with cbc seed\n");
208 # endif
209 # ifndef OPENSSL_NO_AES
210 BIO_printf(bio_err, " -aes128, -aes192, -aes256\n");
211 BIO_printf(bio_err,
212 " encrypt PEM output with cbc aes\n");
213 # endif
214 # ifndef OPENSSL_NO_CAMELLIA
215 BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n");
216 BIO_printf(bio_err,
217 " encrypt PEM output with cbc camellia\n");
218 # endif
219 BIO_printf(bio_err, " -out file output the key to 'file\n");
220 BIO_printf(bio_err,
221 " -passout arg output file pass phrase source\n");
222 BIO_printf(bio_err,
223 " -f4 use F4 (0x10001) for the E value\n");
224 BIO_printf(bio_err, " -3 use 3 for the E value\n");
225 # ifndef OPENSSL_NO_ENGINE
226 BIO_printf(bio_err,
227 " -engine e use engine e, possibly a hardware device.\n");
228 # endif
229 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
230 LIST_SEPARATOR_CHAR);
231 BIO_printf(bio_err,
232 " load the file (or the files in the directory) into\n");
233 BIO_printf(bio_err, " the random number generator\n");
234 goto err;
237 ERR_load_crypto_strings();
239 if (!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
240 BIO_printf(bio_err, "Error getting password\n");
241 goto err;
243 # ifndef OPENSSL_NO_ENGINE
244 e = setup_engine(bio_err, engine, 0);
245 # endif
247 if (outfile == NULL) {
248 BIO_set_fp(out, stdout, BIO_NOCLOSE);
249 # ifdef OPENSSL_SYS_VMS
251 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
252 out = BIO_push(tmpbio, out);
254 # endif
255 } else {
256 if (BIO_write_filename(out, outfile) <= 0) {
257 perror(outfile);
258 goto err;
262 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
263 && !RAND_status()) {
264 BIO_printf(bio_err,
265 "warning, not much extra random data, consider using the -rand option\n");
267 if (inrand != NULL)
268 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
269 app_RAND_load_files(inrand));
271 BIO_printf(bio_err, "Generating RSA private key, %d bit long modulus\n",
272 num);
273 # ifdef OPENSSL_NO_ENGINE
274 rsa = RSA_new();
275 # else
276 rsa = RSA_new_method(e);
277 # endif
278 if (!rsa)
279 goto err;
281 if (!BN_set_word(bn, f4) || !RSA_generate_key_ex(rsa, num, bn, &cb))
282 goto err;
284 app_RAND_write_file(NULL, bio_err);
287 * We need to do the following for when the base number size is < long,
288 * esp windows 3.1 :-(.
290 l = 0L;
291 for (i = 0; i < rsa->e->top; i++) {
292 # ifndef SIXTY_FOUR_BIT
293 l <<= BN_BITS4;
294 l <<= BN_BITS4;
295 # endif
296 l += rsa->e->d[i];
298 BIO_printf(bio_err, "e is %ld (0x%lX)\n", l, l);
300 PW_CB_DATA cb_data;
301 cb_data.password = passout;
302 cb_data.prompt_info = outfile;
303 if (!PEM_write_bio_RSAPrivateKey(out, rsa, enc, NULL, 0,
304 (pem_password_cb *)password_callback,
305 &cb_data))
306 goto err;
309 ret = 0;
310 err:
311 if (bn)
312 BN_free(bn);
313 if (rsa)
314 RSA_free(rsa);
315 if (out)
316 BIO_free_all(out);
317 if (passout)
318 OPENSSL_free(passout);
319 if (ret != 0)
320 ERR_print_errors(bio_err);
321 apps_shutdown();
322 OPENSSL_EXIT(ret);
325 static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb)
327 char c = '*';
329 if (p == 0)
330 c = '.';
331 if (p == 1)
332 c = '+';
333 if (p == 2)
334 c = '*';
335 if (p == 3)
336 c = '\n';
337 BIO_write(cb->arg, &c, 1);
338 (void)BIO_flush(cb->arg);
339 # ifdef LINT
340 p = n;
341 # endif
342 return 1;
344 #else /* !OPENSSL_NO_RSA */
346 # if PEDANTIC
347 static void *dummy = &dummy;
348 # endif
350 #endif