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;
88 # ifndef OPENSSL_NO_ENGINE
95 if ((bio_err = BIO_new(BIO_s_file())) != NULL)
96 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
98 if (!load_config(bio_err, NULL))
106 if (strcmp(*argv, "-out") == 0) {
110 } else if (strcmp(*argv, "-passout") == 0) {
113 passargout = *(++argv);
115 # ifndef OPENSSL_NO_ENGINE
116 else if (strcmp(*argv, "-engine") == 0) {
122 else if (strcmp(*argv, "-rand") == 0) {
126 } else if (strcmp(*argv, "-") == 0)
128 # ifndef OPENSSL_NO_DES
129 else if (strcmp(*argv, "-des") == 0)
131 else if (strcmp(*argv, "-des3") == 0)
132 enc = EVP_des_ede3_cbc();
134 # ifndef OPENSSL_NO_IDEA
135 else if (strcmp(*argv, "-idea") == 0)
136 enc = EVP_idea_cbc();
138 # ifndef OPENSSL_NO_SEED
139 else if (strcmp(*argv, "-seed") == 0)
140 enc = EVP_seed_cbc();
142 # ifndef OPENSSL_NO_AES
143 else if (strcmp(*argv, "-aes128") == 0)
144 enc = EVP_aes_128_cbc();
145 else if (strcmp(*argv, "-aes192") == 0)
146 enc = EVP_aes_192_cbc();
147 else if (strcmp(*argv, "-aes256") == 0)
148 enc = EVP_aes_256_cbc();
150 # ifndef OPENSSL_NO_CAMELLIA
151 else if (strcmp(*argv, "-camellia128") == 0)
152 enc = EVP_camellia_128_cbc();
153 else if (strcmp(*argv, "-camellia192") == 0)
154 enc = EVP_camellia_192_cbc();
155 else if (strcmp(*argv, "-camellia256") == 0)
156 enc = EVP_camellia_256_cbc();
158 else if (**argv != '-' && dsaparams == NULL) {
166 if (dsaparams == NULL) {
168 BIO_printf(bio_err, "usage: gendsa [args] dsaparam-file\n");
169 BIO_printf(bio_err, " -out file - output the key to 'file'\n");
170 # ifndef OPENSSL_NO_DES
172 " -des - encrypt the generated key with DES in cbc mode\n");
174 " -des3 - encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
176 # ifndef OPENSSL_NO_IDEA
178 " -idea - encrypt the generated key with IDEA in cbc mode\n");
180 # ifndef OPENSSL_NO_SEED
181 BIO_printf(bio_err, " -seed\n");
183 " encrypt PEM output with cbc seed\n");
185 # ifndef OPENSSL_NO_AES
186 BIO_printf(bio_err, " -aes128, -aes192, -aes256\n");
188 " encrypt PEM output with cbc aes\n");
190 # ifndef OPENSSL_NO_CAMELLIA
191 BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n");
193 " encrypt PEM output with cbc camellia\n");
195 # ifndef OPENSSL_NO_ENGINE
197 " -engine e - use engine e, possibly a hardware device.\n");
199 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
200 LIST_SEPARATOR_CHAR);
202 " - load the file (or the files in the directory) into\n");
203 BIO_printf(bio_err, " the random number generator\n");
204 BIO_printf(bio_err, " dsaparam-file\n");
206 " - a DSA parameter file as generated by the dsaparam command\n");
209 # ifndef OPENSSL_NO_ENGINE
210 setup_engine(bio_err, engine, 0);
213 if (!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
214 BIO_printf(bio_err, "Error getting password\n");
218 in = BIO_new(BIO_s_file());
219 if (!(BIO_read_filename(in, dsaparams))) {
224 if ((dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL)) == NULL) {
225 BIO_printf(bio_err, "unable to load DSA parameter file\n");
231 out = BIO_new(BIO_s_file());
235 if (outfile == NULL) {
236 BIO_set_fp(out, stdout, BIO_NOCLOSE);
237 # ifdef OPENSSL_SYS_VMS
239 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
240 out = BIO_push(tmpbio, out);
244 if (BIO_write_filename(out, outfile) <= 0) {
250 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) {
252 "warning, not much extra random data, consider using the -rand option\n");
255 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
256 app_RAND_load_files(inrand));
258 BIO_printf(bio_err, "Generating DSA key, %d bits\n", BN_num_bits(dsa->p));
259 if (!DSA_generate_key(dsa))
262 app_RAND_write_file(NULL, bio_err);
264 if (!PEM_write_bio_DSAPrivateKey(out, dsa, enc, NULL, 0, NULL, passout))
269 ERR_print_errors(bio_err);
277 OPENSSL_free(passout);
281 #else /* !OPENSSL_NO_DSA */
284 static void *dummy = &dummy;