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> /* for OPENSSL_NO_DSA */
60 #ifndef OPENSSL_NO_DSA
63 # include <sys/types.h>
64 # include <sys/stat.h>
66 # include <openssl/bio.h>
67 # include <openssl/err.h>
68 # include <openssl/bn.h>
69 # include <openssl/dsa.h>
70 # include <openssl/x509.h>
71 # include <openssl/pem.h>
75 # define PROG gendsa_main
77 int MAIN(int, char **);
79 int MAIN(int argc, char **argv)
84 char *inrand = NULL, *dsaparams = NULL;
85 char *passargout = NULL, *passout = NULL;
86 BIO *out = NULL, *in = NULL;
87 const EVP_CIPHER *enc = NULL;
94 if ((bio_err = BIO_new(BIO_s_file())) != NULL)
95 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
97 if (!load_config(bio_err, NULL))
105 if (strcmp(*argv, "-out") == 0) {
109 } else if (strcmp(*argv, "-passout") == 0) {
112 passargout = *(++argv);
114 # ifndef OPENSSL_NO_ENGINE
115 else if (strcmp(*argv, "-engine") == 0) {
121 else if (strcmp(*argv, "-rand") == 0) {
125 } else if (strcmp(*argv, "-") == 0)
127 # ifndef OPENSSL_NO_DES
128 else if (strcmp(*argv, "-des") == 0)
130 else if (strcmp(*argv, "-des3") == 0)
131 enc = EVP_des_ede3_cbc();
133 # ifndef OPENSSL_NO_IDEA
134 else if (strcmp(*argv, "-idea") == 0)
135 enc = EVP_idea_cbc();
137 # ifndef OPENSSL_NO_SEED
138 else if (strcmp(*argv, "-seed") == 0)
139 enc = EVP_seed_cbc();
141 # ifndef OPENSSL_NO_AES
142 else if (strcmp(*argv, "-aes128") == 0)
143 enc = EVP_aes_128_cbc();
144 else if (strcmp(*argv, "-aes192") == 0)
145 enc = EVP_aes_192_cbc();
146 else if (strcmp(*argv, "-aes256") == 0)
147 enc = EVP_aes_256_cbc();
149 # ifndef OPENSSL_NO_CAMELLIA
150 else if (strcmp(*argv, "-camellia128") == 0)
151 enc = EVP_camellia_128_cbc();
152 else if (strcmp(*argv, "-camellia192") == 0)
153 enc = EVP_camellia_192_cbc();
154 else if (strcmp(*argv, "-camellia256") == 0)
155 enc = EVP_camellia_256_cbc();
157 else if (**argv != '-' && dsaparams == NULL) {
165 if (dsaparams == NULL) {
167 BIO_printf(bio_err, "usage: gendsa [args] dsaparam-file\n");
168 BIO_printf(bio_err, " -out file - output the key to 'file'\n");
169 # ifndef OPENSSL_NO_DES
171 " -des - encrypt the generated key with DES in cbc mode\n");
173 " -des3 - encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
175 # ifndef OPENSSL_NO_IDEA
177 " -idea - encrypt the generated key with IDEA in cbc mode\n");
179 # ifndef OPENSSL_NO_SEED
180 BIO_printf(bio_err, " -seed\n");
182 " encrypt PEM output with cbc seed\n");
184 # ifndef OPENSSL_NO_AES
185 BIO_printf(bio_err, " -aes128, -aes192, -aes256\n");
187 " encrypt PEM output with cbc aes\n");
189 # ifndef OPENSSL_NO_CAMELLIA
190 BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n");
192 " encrypt PEM output with cbc camellia\n");
194 # ifndef OPENSSL_NO_ENGINE
196 " -engine e - use engine e, possibly a hardware device.\n");
198 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
199 LIST_SEPARATOR_CHAR);
201 " - load the file (or the files in the directory) into\n");
202 BIO_printf(bio_err, " the random number generator\n");
203 BIO_printf(bio_err, " dsaparam-file\n");
205 " - a DSA parameter file as generated by the dsaparam command\n");
208 e = setup_engine(bio_err, engine, 0);
210 if (!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
211 BIO_printf(bio_err, "Error getting password\n");
215 in = BIO_new(BIO_s_file());
216 if (!(BIO_read_filename(in, dsaparams))) {
221 if ((dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL)) == NULL) {
222 BIO_printf(bio_err, "unable to load DSA parameter file\n");
228 out = BIO_new(BIO_s_file());
232 if (outfile == NULL) {
233 BIO_set_fp(out, stdout, BIO_NOCLOSE);
234 # ifdef OPENSSL_SYS_VMS
236 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
237 out = BIO_push(tmpbio, out);
241 if (BIO_write_filename(out, outfile) <= 0) {
247 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) {
249 "warning, not much extra random data, consider using the -rand option\n");
252 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
253 app_RAND_load_files(inrand));
255 BIO_printf(bio_err, "Generating DSA key, %d bits\n", BN_num_bits(dsa->p));
256 if (!DSA_generate_key(dsa))
259 app_RAND_write_file(NULL, bio_err);
261 if (!PEM_write_bio_DSAPrivateKey(out, dsa, enc, NULL, 0, NULL, passout))
266 ERR_print_errors(bio_err);
275 OPENSSL_free(passout);
279 #else /* !OPENSSL_NO_DSA */
282 static void *dummy = &dummy;