1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
58 #include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */
59 #ifndef OPENSSL_NO_DSA
65 # include <openssl/bio.h>
66 # include <openssl/err.h>
67 # include <openssl/dsa.h>
68 # include <openssl/evp.h>
69 # include <openssl/x509.h>
70 # include <openssl/pem.h>
71 # include <openssl/bn.h>
73 typedef enum OPTION_choice {
74 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
75 OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT,
76 OPT_ENGINE, OPT_PVK_STRONG, OPT_PVK_WEAK,
77 OPT_PVK_NONE, OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_PUBIN,
78 OPT_PUBOUT, OPT_CIPHER, OPT_PASSIN, OPT_PASSOUT
81 OPTIONS dsa_options[] = {
82 {"help", OPT_HELP, '-', "Display this summary"},
83 {"inform", OPT_INFORM, 'F', "Input format, DER PEM PVK"},
84 {"outform", OPT_OUTFORM, 'F', "Output format, DER PEM PVK"},
85 {"in", OPT_IN, '<', "Input file"},
86 {"out", OPT_OUT, '>', "Output file"},
87 {"noout", OPT_NOOUT, '-', "Don't print key out"},
88 {"text", OPT_TEXT, '-', "Print the key in text"},
89 {"modulus", OPT_MODULUS, '-', "Print the DSA public value"},
90 {"pubin", OPT_PUBIN, '-'},
91 {"pubout", OPT_PUBOUT, '-'},
92 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
93 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
94 {"", OPT_CIPHER, '-', "Any supported cipher"},
95 # ifndef OPENSSL_NO_RC4
96 {"pvk-strong", OPT_PVK_STRONG, '-'},
97 {"pvk-weak", OPT_PVK_WEAK, '-'},
98 {"pvk-none", OPT_PVK_NONE, '-'},
100 # ifndef OPENSSL_NO_ENGINE
101 {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
106 int dsa_main(int argc, char **argv)
111 const EVP_CIPHER *enc = NULL;
112 char *infile = NULL, *outfile = NULL, *prog;
113 char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL;
115 int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, noout = 0;
116 int i, modulus = 0, pubin = 0, pubout = 0, pvk_encr = 2, ret = 1;
119 prog = opt_init(argc, argv, dsa_options);
120 while ((o = opt_next()) != OPT_EOF) {
126 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
129 opt_help(dsa_options);
134 (opt_arg(), OPT_FMT_PEMDER | OPT_FMT_PVK, &informat))
142 (opt_arg(), OPT_FMT_PEMDER | OPT_FMT_PVK, &outformat))
149 e = setup_engine(opt_arg(), 0);
152 passinarg = opt_arg();
155 passoutarg = opt_arg();
157 #ifndef OPENSSL_NO_RC4
189 if (!opt_cipher(opt_unknown(), &enc))
194 argc = opt_num_rest();
196 private = pubin || pubout ? 0 : 1;
200 if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
201 BIO_printf(bio_err, "Error getting passwords\n");
205 if (!app_load_modules(NULL))
208 BIO_printf(bio_err, "read DSA key\n");
213 pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key");
215 pkey = load_key(infile, informat, 1, passin, e, "Private Key");
218 dsa = EVP_PKEY_get1_DSA(pkey);
223 BIO_printf(bio_err, "unable to load Key\n");
224 ERR_print_errors(bio_err);
228 out = bio_open_owner(outfile, outformat, private);
234 if (!DSA_print(out, dsa, 0)) {
236 ERR_print_errors(bio_err);
242 BIO_printf(out, "Public Key=");
243 BN_print(out, dsa->pub_key);
244 BIO_printf(out, "\n");
251 BIO_printf(bio_err, "writing DSA key\n");
252 if (outformat == FORMAT_ASN1) {
254 i = i2d_DSA_PUBKEY_bio(out, dsa);
257 i = i2d_DSAPrivateKey_bio(out, dsa);
259 } else if (outformat == FORMAT_PEM) {
261 i = PEM_write_bio_DSA_PUBKEY(out, dsa);
264 i = PEM_write_bio_DSAPrivateKey(out, dsa, enc,
265 NULL, 0, NULL, passout);
267 # if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4)
268 } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
271 EVP_PKEY_set1_DSA(pk, dsa);
272 if (outformat == FORMAT_PVK) {
274 i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
276 else if (pubin || pubout)
277 i = i2b_PublicKey_bio(out, pk);
280 i = i2b_PrivateKey_bio(out, pk);
285 BIO_printf(bio_err, "bad output format specified for outfile\n");
289 BIO_printf(bio_err, "unable to write private key\n");
290 ERR_print_errors(bio_err);
297 OPENSSL_free(passin);
298 OPENSSL_free(passout);
301 #else /* !OPENSSL_NO_DSA */
304 static void *dummy = &dummy;