2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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
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
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 #ifndef OPENSSL_NO_RSA
64 #include <sys/types.h>
67 #include <openssl/bio.h>
68 #include <openssl/err.h>
69 #include <openssl/bn.h>
70 #include <openssl/rsa.h>
71 #include <openssl/evp.h>
72 #include <openssl/x509.h>
73 #include <openssl/pem.h>
74 #include <openssl/rand.h>
78 #define PROG genrsa_main
80 static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb);
82 int MAIN(int, char **);
84 int MAIN(int argc, char **argv)
87 #ifndef OPENSSL_NO_ENGINE
91 int non_fips_allow = 0;
93 const EVP_CIPHER *enc=NULL;
94 unsigned long f4=RSA_F4;
96 char *passargout = NULL, *passout = NULL;
98 #ifndef OPENSSL_NO_ENGINE
103 BIGNUM *bn = BN_new();
112 BN_GENCB_set(cb, genrsa_cb, bio_err);
115 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
116 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
118 if (!load_config(bio_err, NULL))
120 if ((out=BIO_new(BIO_s_file())) == NULL)
122 BIO_printf(bio_err,"unable to create BIO for output\n");
130 if (argc <= 0) break;
131 if (strcmp(*argv,"-out") == 0)
133 if (--argc < 1) goto bad;
136 else if (strcmp(*argv,"-3") == 0)
138 else if (strcmp(*argv,"-F4") == 0 || strcmp(*argv,"-f4") == 0)
140 #ifndef OPENSSL_NO_ENGINE
141 else if (strcmp(*argv,"-engine") == 0)
143 if (--argc < 1) goto bad;
147 else if (strcmp(*argv,"-rand") == 0)
149 if (--argc < 1) goto bad;
152 #ifndef OPENSSL_NO_DES
153 else if (strcmp(*argv,"-des") == 0)
155 else if (strcmp(*argv,"-des3") == 0)
156 enc=EVP_des_ede3_cbc();
158 #ifndef OPENSSL_NO_IDEA
159 else if (strcmp(*argv,"-idea") == 0)
162 #ifndef OPENSSL_NO_SEED
163 else if (strcmp(*argv,"-seed") == 0)
166 #ifndef OPENSSL_NO_AES
167 else if (strcmp(*argv,"-aes128") == 0)
168 enc=EVP_aes_128_cbc();
169 else if (strcmp(*argv,"-aes192") == 0)
170 enc=EVP_aes_192_cbc();
171 else if (strcmp(*argv,"-aes256") == 0)
172 enc=EVP_aes_256_cbc();
174 #ifndef OPENSSL_NO_CAMELLIA
175 else if (strcmp(*argv,"-camellia128") == 0)
176 enc=EVP_camellia_128_cbc();
177 else if (strcmp(*argv,"-camellia192") == 0)
178 enc=EVP_camellia_192_cbc();
179 else if (strcmp(*argv,"-camellia256") == 0)
180 enc=EVP_camellia_256_cbc();
182 else if (strcmp(*argv,"-passout") == 0)
184 if (--argc < 1) goto bad;
185 passargout= *(++argv);
187 else if (strcmp(*argv,"-non-fips-allow") == 0)
194 if ((argc >= 1) && ((sscanf(*argv,"%d",&num) == 0) || (num < 0)))
197 BIO_printf(bio_err,"usage: genrsa [args] [numbits]\n");
198 BIO_printf(bio_err," -des encrypt the generated key with DES in cbc mode\n");
199 BIO_printf(bio_err," -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," -idea encrypt the generated key with IDEA in cbc mode\n");
203 #ifndef OPENSSL_NO_SEED
204 BIO_printf(bio_err," -seed\n");
205 BIO_printf(bio_err," encrypt PEM output with cbc seed\n");
207 #ifndef OPENSSL_NO_AES
208 BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
209 BIO_printf(bio_err," encrypt PEM output with cbc aes\n");
211 #ifndef OPENSSL_NO_CAMELLIA
212 BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n");
213 BIO_printf(bio_err," encrypt PEM output with cbc camellia\n");
215 BIO_printf(bio_err," -out file output the key to 'file\n");
216 BIO_printf(bio_err," -passout arg output file pass phrase source\n");
217 BIO_printf(bio_err," -f4 use F4 (0x10001) for the E value\n");
218 BIO_printf(bio_err," -3 use 3 for the E value\n");
219 #ifndef OPENSSL_NO_ENGINE
220 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
222 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
223 BIO_printf(bio_err," load the file (or the files in the directory) into\n");
224 BIO_printf(bio_err," the random number generator\n");
228 ERR_load_crypto_strings();
230 if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
231 BIO_printf(bio_err, "Error getting password\n");
235 #ifndef OPENSSL_NO_ENGINE
236 e = setup_engine(bio_err, engine, 0);
241 BIO_set_fp(out,stdout,BIO_NOCLOSE);
242 #ifdef OPENSSL_SYS_VMS
244 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
245 out = BIO_push(tmpbio, out);
251 if (BIO_write_filename(out,outfile) <= 0)
258 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
261 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
264 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
265 app_RAND_load_files(inrand));
267 BIO_printf(bio_err,"Generating RSA private key, %d bit long modulus\n",
269 #ifdef OPENSSL_NO_ENGINE
272 rsa = RSA_new_method(e);
278 rsa->flags |= RSA_FLAG_NON_FIPS_ALLOW;
280 if(!BN_set_word(bn, f4) || !RSA_generate_key_ex(rsa, num, bn, cb))
283 app_RAND_write_file(NULL, bio_err);
285 hexe = BN_bn2hex(rsa->e);
286 dece = BN_bn2dec(rsa->e);
289 BIO_printf(bio_err,"e is %s (0x%s)\n",dece, hexe);
291 if(hexe) OPENSSL_free(hexe);
292 if(dece) OPENSSL_free(dece);
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))
305 if (cb) BN_GENCB_free(cb);
306 if (rsa) RSA_free(rsa);
307 if (out) BIO_free_all(out);
308 if(passout) OPENSSL_free(passout);
310 ERR_print_errors(bio_err);
315 static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb)
323 BIO_write(BN_GENCB_get_arg(cb),&c,1);
324 (void)BIO_flush(BN_GENCB_get_arg(cb));
327 #else /* !OPENSSL_NO_RSA */
330 static void *dummy=&dummy;