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>
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
)
81 #ifndef OPENSSL_NO_ENGINE
87 char *inrand
=NULL
,*dsaparams
=NULL
;
88 char *passargout
= NULL
, *passout
= NULL
;
89 BIO
*out
=NULL
,*in
=NULL
;
90 const EVP_CIPHER
*enc
=NULL
;
91 #ifndef OPENSSL_NO_ENGINE
98 if ((bio_err
=BIO_new(BIO_s_file())) != NULL
)
99 BIO_set_fp(bio_err
,stderr
,BIO_NOCLOSE
|BIO_FP_TEXT
);
101 if (!load_config(bio_err
, NULL
))
108 if (argc
<= 0) break;
109 if (strcmp(*argv
,"-out") == 0)
111 if (--argc
< 1) goto bad
;
114 else if (strcmp(*argv
,"-passout") == 0)
116 if (--argc
< 1) goto bad
;
117 passargout
= *(++argv
);
119 #ifndef OPENSSL_NO_ENGINE
120 else if (strcmp(*argv
,"-engine") == 0)
122 if (--argc
< 1) goto bad
;
126 else if (strcmp(*argv
,"-rand") == 0)
128 if (--argc
< 1) goto bad
;
131 else if (strcmp(*argv
,"-") == 0)
133 #ifndef OPENSSL_NO_DES
134 else if (strcmp(*argv
,"-des") == 0)
136 else if (strcmp(*argv
,"-des3") == 0)
137 enc
=EVP_des_ede3_cbc();
139 #ifndef OPENSSL_NO_IDEA
140 else if (strcmp(*argv
,"-idea") == 0)
143 #ifndef OPENSSL_NO_AES
144 else if (strcmp(*argv
,"-aes128") == 0)
145 enc
=EVP_aes_128_cbc();
146 else if (strcmp(*argv
,"-aes192") == 0)
147 enc
=EVP_aes_192_cbc();
148 else if (strcmp(*argv
,"-aes256") == 0)
149 enc
=EVP_aes_256_cbc();
151 else if (**argv
!= '-' && dsaparams
== NULL
)
161 if (dsaparams
== NULL
)
164 BIO_printf(bio_err
,"usage: gendsa [args] dsaparam-file\n");
165 BIO_printf(bio_err
," -out file - output the key to 'file'\n");
166 #ifndef OPENSSL_NO_DES
167 BIO_printf(bio_err
," -des - encrypt the generated key with DES in cbc mode\n");
168 BIO_printf(bio_err
," -des3 - encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
170 #ifndef OPENSSL_NO_IDEA
171 BIO_printf(bio_err
," -idea - encrypt the generated key with IDEA in cbc mode\n");
173 #ifndef OPENSSL_NO_AES
174 BIO_printf(bio_err
," -aes128, -aes192, -aes256\n");
175 BIO_printf(bio_err
," encrypt PEM output with cbc aes\n");
177 #ifndef OPENSSL_NO_ENGINE
178 BIO_printf(bio_err
," -engine e - use engine e, possibly a hardware device.\n");
180 BIO_printf(bio_err
," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR
, LIST_SEPARATOR_CHAR
);
181 BIO_printf(bio_err
," - load the file (or the files in the directory) into\n");
182 BIO_printf(bio_err
," the random number generator\n");
183 BIO_printf(bio_err
," dsaparam-file\n");
184 BIO_printf(bio_err
," - a DSA parameter file as generated by the dsaparam command\n");
188 #ifndef OPENSSL_NO_ENGINE
189 e
= setup_engine(bio_err
, engine
, 0);
192 if(!app_passwd(bio_err
, NULL
, passargout
, NULL
, &passout
)) {
193 BIO_printf(bio_err
, "Error getting password\n");
198 in
=BIO_new(BIO_s_file());
199 if (!(BIO_read_filename(in
,dsaparams
)))
205 if ((dsa
=PEM_read_bio_DSAparams(in
,NULL
,NULL
,NULL
)) == NULL
)
207 BIO_printf(bio_err
,"unable to load DSA parameter file\n");
213 out
=BIO_new(BIO_s_file());
214 if (out
== NULL
) goto end
;
218 BIO_set_fp(out
,stdout
,BIO_NOCLOSE
);
219 #ifdef OPENSSL_SYS_VMS
221 BIO
*tmpbio
= BIO_new(BIO_f_linebuffer());
222 out
= BIO_push(tmpbio
, out
);
228 if (BIO_write_filename(out
,outfile
) <= 0)
235 if (!app_RAND_load_file(NULL
, bio_err
, 1) && inrand
== NULL
)
237 BIO_printf(bio_err
,"warning, not much extra random data, consider using the -rand option\n");
240 BIO_printf(bio_err
,"%ld semi-random bytes loaded\n",
241 app_RAND_load_files(inrand
));
243 BIO_printf(bio_err
,"Generating DSA key, %d bits\n",
244 BN_num_bits(dsa
->p
));
245 if (!DSA_generate_key(dsa
)) goto end
;
247 app_RAND_write_file(NULL
, bio_err
);
249 if (!PEM_write_bio_DSAPrivateKey(out
,dsa
,enc
,NULL
,0,NULL
, passout
))
254 ERR_print_errors(bio_err
);
255 if (in
!= NULL
) BIO_free(in
);
256 if (out
!= NULL
) BIO_free_all(out
);
257 if (dsa
!= NULL
) DSA_free(dsa
);
258 if(passout
) OPENSSL_free(passout
);