Import of openssl-0.9.8, a feature release.
[dragonfly.git] / crypto / openssl-0.9 / apps / genrsa.c
CommitLineData
56276539
SS
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/* Until the key-gen callbacks are modified to use newer prototypes, we allow
60 * deprecated functions for openssl-internal code */
61#ifdef OPENSSL_NO_DEPRECATED
62#undef OPENSSL_NO_DEPRECATED
63#endif
64
65#ifndef OPENSSL_NO_RSA
66#include <stdio.h>
67#include <string.h>
68#include <sys/types.h>
69#include <sys/stat.h>
70#include "apps.h"
71#include <openssl/bio.h>
72#include <openssl/err.h>
73#include <openssl/bn.h>
74#include <openssl/rsa.h>
75#include <openssl/evp.h>
76#include <openssl/x509.h>
77#include <openssl/pem.h>
78#include <openssl/rand.h>
79
80#define DEFBITS 512
81#undef PROG
82#define PROG genrsa_main
83
84static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb);
85
86int MAIN(int, char **);
87
88int MAIN(int argc, char **argv)
89 {
90 BN_GENCB cb;
91#ifndef OPENSSL_NO_ENGINE
92 ENGINE *e = NULL;
93#endif
94 int ret=1;
95 int i,num=DEFBITS;
96 long l;
97 const EVP_CIPHER *enc=NULL;
98 unsigned long f4=RSA_F4;
99 char *outfile=NULL;
100 char *passargout = NULL, *passout = NULL;
101#ifndef OPENSSL_NO_ENGINE
102 char *engine=NULL;
103#endif
104 char *inrand=NULL;
105 BIO *out=NULL;
106 BIGNUM *bn = BN_new();
107 RSA *rsa = RSA_new();
108
109 if(!bn || !rsa) goto err;
110
111 apps_startup();
112 BN_GENCB_set(&cb, genrsa_cb, bio_err);
113
114 if (bio_err == NULL)
115 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
116 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
117
118 if (!load_config(bio_err, NULL))
119 goto err;
120 if ((out=BIO_new(BIO_s_file())) == NULL)
121 {
122 BIO_printf(bio_err,"unable to create BIO for output\n");
123 goto err;
124 }
125
126 argv++;
127 argc--;
128 for (;;)
129 {
130 if (argc <= 0) break;
131 if (strcmp(*argv,"-out") == 0)
132 {
133 if (--argc < 1) goto bad;
134 outfile= *(++argv);
135 }
136 else if (strcmp(*argv,"-3") == 0)
137 f4=3;
138 else if (strcmp(*argv,"-F4") == 0 || strcmp(*argv,"-f4") == 0)
139 f4=RSA_F4;
140#ifndef OPENSSL_NO_ENGINE
141 else if (strcmp(*argv,"-engine") == 0)
142 {
143 if (--argc < 1) goto bad;
144 engine= *(++argv);
145 }
146#endif
147 else if (strcmp(*argv,"-rand") == 0)
148 {
149 if (--argc < 1) goto bad;
150 inrand= *(++argv);
151 }
152#ifndef OPENSSL_NO_DES
153 else if (strcmp(*argv,"-des") == 0)
154 enc=EVP_des_cbc();
155 else if (strcmp(*argv,"-des3") == 0)
156 enc=EVP_des_ede3_cbc();
157#endif
158#ifndef OPENSSL_NO_IDEA
159 else if (strcmp(*argv,"-idea") == 0)
160 enc=EVP_idea_cbc();
161#endif
162#ifndef OPENSSL_NO_AES
163 else if (strcmp(*argv,"-aes128") == 0)
164 enc=EVP_aes_128_cbc();
165 else if (strcmp(*argv,"-aes192") == 0)
166 enc=EVP_aes_192_cbc();
167 else if (strcmp(*argv,"-aes256") == 0)
168 enc=EVP_aes_256_cbc();
169#endif
170 else if (strcmp(*argv,"-passout") == 0)
171 {
172 if (--argc < 1) goto bad;
173 passargout= *(++argv);
174 }
175 else
176 break;
177 argv++;
178 argc--;
179 }
180 if ((argc >= 1) && ((sscanf(*argv,"%d",&num) == 0) || (num < 0)))
181 {
182bad:
183 BIO_printf(bio_err,"usage: genrsa [args] [numbits]\n");
184 BIO_printf(bio_err," -des encrypt the generated key with DES in cbc mode\n");
185 BIO_printf(bio_err," -des3 encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
186#ifndef OPENSSL_NO_IDEA
187 BIO_printf(bio_err," -idea encrypt the generated key with IDEA in cbc mode\n");
188#endif
189#ifndef OPENSSL_NO_AES
190 BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
191 BIO_printf(bio_err," encrypt PEM output with cbc aes\n");
192#endif
193 BIO_printf(bio_err," -out file output the key to 'file\n");
194 BIO_printf(bio_err," -passout arg output file pass phrase source\n");
195 BIO_printf(bio_err," -f4 use F4 (0x10001) for the E value\n");
196 BIO_printf(bio_err," -3 use 3 for the E value\n");
197#ifndef OPENSSL_NO_ENGINE
198 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
199#endif
200 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
201 BIO_printf(bio_err," load the file (or the files in the directory) into\n");
202 BIO_printf(bio_err," the random number generator\n");
203 goto err;
204 }
205
206 ERR_load_crypto_strings();
207
208 if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
209 BIO_printf(bio_err, "Error getting password\n");
210 goto err;
211 }
212
213#ifndef OPENSSL_NO_ENGINE
214 e = setup_engine(bio_err, engine, 0);
215#endif
216
217 if (outfile == NULL)
218 {
219 BIO_set_fp(out,stdout,BIO_NOCLOSE);
220#ifdef OPENSSL_SYS_VMS
221 {
222 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
223 out = BIO_push(tmpbio, out);
224 }
225#endif
226 }
227 else
228 {
229 if (BIO_write_filename(out,outfile) <= 0)
230 {
231 perror(outfile);
232 goto err;
233 }
234 }
235
236 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
237 && !RAND_status())
238 {
239 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
240 }
241 if (inrand != NULL)
242 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
243 app_RAND_load_files(inrand));
244
245 BIO_printf(bio_err,"Generating RSA private key, %d bit long modulus\n",
246 num);
247
248 if(!BN_set_word(bn, f4) || !RSA_generate_key_ex(rsa, num, bn, &cb))
249 goto err;
250
251 app_RAND_write_file(NULL, bio_err);
252
253 /* We need to do the following for when the base number size is <
254 * long, esp windows 3.1 :-(. */
255 l=0L;
256 for (i=0; i<rsa->e->top; i++)
257 {
258#ifndef SIXTY_FOUR_BIT
259 l<<=BN_BITS4;
260 l<<=BN_BITS4;
261#endif
262 l+=rsa->e->d[i];
263 }
264 BIO_printf(bio_err,"e is %ld (0x%lX)\n",l,l);
265 {
266 PW_CB_DATA cb_data;
267 cb_data.password = passout;
268 cb_data.prompt_info = outfile;
269 if (!PEM_write_bio_RSAPrivateKey(out,rsa,enc,NULL,0,
270 (pem_password_cb *)password_callback,&cb_data))
271 goto err;
272 }
273
274 ret=0;
275err:
276 if (bn) BN_free(bn);
277 if (rsa) RSA_free(rsa);
278 if (out) BIO_free_all(out);
279 if(passout) OPENSSL_free(passout);
280 if (ret != 0)
281 ERR_print_errors(bio_err);
282 apps_shutdown();
283 OPENSSL_EXIT(ret);
284 }
285
286static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb)
287 {
288 char c='*';
289
290 if (p == 0) c='.';
291 if (p == 1) c='+';
292 if (p == 2) c='*';
293 if (p == 3) c='\n';
294 BIO_write(cb->arg,&c,1);
295 (void)BIO_flush(cb->arg);
296#ifdef LINT
297 p=n;
298#endif
299 return 1;
300 }
301#else /* !OPENSSL_NO_RSA */
302
303# if PEDANTIC
304static void *dummy=&dummy;
305# endif
306
307#endif