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git.ipfire.org Git - thirdparty/openssl.git/blob - apps/dsa.c
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
66 # include <openssl/bio.h>
67 # include <openssl/err.h>
68 # include <openssl/dsa.h>
69 # include <openssl/evp.h>
70 # include <openssl/x509.h>
71 # include <openssl/pem.h>
72 # include <openssl/bn.h>
75 # define PROG dsa_main
78 * -inform arg - input format - default PEM (one of DER, NET or PEM)
79 * -outform arg - output format - default PEM
80 * -in arg - input file - default stdin
81 * -out arg - output file - default stdout
82 * -des - encrypt output if PEM format with DES in cbc mode
83 * -des3 - encrypt output if PEM format
84 * -idea - encrypt output if PEM format
85 * -aes128 - encrypt output if PEM format
86 * -aes192 - encrypt output if PEM format
87 * -aes256 - encrypt output if PEM format
88 * -camellia128 - encrypt output if PEM format
89 * -camellia192 - encrypt output if PEM format
90 * -camellia256 - encrypt output if PEM format
91 * -seed - encrypt output if PEM format
92 * -text - print a text version
93 * -modulus - print the DSA public key
96 int MAIN(int, char **);
98 int MAIN(int argc
, char **argv
)
104 const EVP_CIPHER
*enc
= NULL
;
105 BIO
*in
= NULL
, *out
= NULL
;
106 int informat
, outformat
, text
= 0, noout
= 0;
107 int pubin
= 0, pubout
= 0;
108 char *infile
, *outfile
, *prog
;
110 char *passargin
= NULL
, *passargout
= NULL
;
111 char *passin
= NULL
, *passout
= NULL
;
119 if ((bio_err
= BIO_new(BIO_s_file())) != NULL
)
120 BIO_set_fp(bio_err
, stderr
, BIO_NOCLOSE
| BIO_FP_TEXT
);
122 if (!load_config(bio_err
, NULL
))
128 informat
= FORMAT_PEM
;
129 outformat
= FORMAT_PEM
;
135 if (strcmp(*argv
, "-inform") == 0) {
138 informat
= str2fmt(*(++argv
));
139 } else if (strcmp(*argv
, "-outform") == 0) {
142 outformat
= str2fmt(*(++argv
));
143 } else if (strcmp(*argv
, "-in") == 0) {
147 } else if (strcmp(*argv
, "-out") == 0) {
151 } else if (strcmp(*argv
, "-passin") == 0) {
154 passargin
= *(++argv
);
155 } else if (strcmp(*argv
, "-passout") == 0) {
158 passargout
= *(++argv
);
160 # ifndef OPENSSL_NO_ENGINE
161 else if (strcmp(*argv
, "-engine") == 0) {
167 else if (strcmp(*argv
, "-pvk-strong") == 0)
169 else if (strcmp(*argv
, "-pvk-weak") == 0)
171 else if (strcmp(*argv
, "-pvk-none") == 0)
173 else if (strcmp(*argv
, "-noout") == 0)
175 else if (strcmp(*argv
, "-text") == 0)
177 else if (strcmp(*argv
, "-modulus") == 0)
179 else if (strcmp(*argv
, "-pubin") == 0)
181 else if (strcmp(*argv
, "-pubout") == 0)
183 else if ((enc
= EVP_get_cipherbyname(&(argv
[0][1]))) == NULL
) {
184 BIO_printf(bio_err
, "unknown option %s\n", *argv
);
194 BIO_printf(bio_err
, "%s [options] <infile >outfile\n", prog
);
195 BIO_printf(bio_err
, "where options are\n");
196 BIO_printf(bio_err
, " -inform arg input format - DER or PEM\n");
197 BIO_printf(bio_err
, " -outform arg output format - DER or PEM\n");
198 BIO_printf(bio_err
, " -in arg input file\n");
200 " -passin arg input file pass phrase source\n");
201 BIO_printf(bio_err
, " -out arg output file\n");
203 " -passout arg output file pass phrase source\n");
204 # ifndef OPENSSL_NO_ENGINE
206 " -engine e use engine e, possibly a hardware device.\n");
209 " -des encrypt PEM output with cbc des\n");
211 " -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
212 # ifndef OPENSSL_NO_IDEA
214 " -idea encrypt PEM output with cbc idea\n");
216 # ifndef OPENSSL_NO_AES
217 BIO_printf(bio_err
, " -aes128, -aes192, -aes256\n");
219 " encrypt PEM output with cbc aes\n");
221 # ifndef OPENSSL_NO_CAMELLIA
222 BIO_printf(bio_err
, " -camellia128, -camellia192, -camellia256\n");
224 " encrypt PEM output with cbc camellia\n");
226 # ifndef OPENSSL_NO_SEED
228 " -seed encrypt PEM output with cbc seed\n");
230 BIO_printf(bio_err
, " -text print the key in text\n");
231 BIO_printf(bio_err
, " -noout don't print key out\n");
232 BIO_printf(bio_err
, " -modulus print the DSA public value\n");
236 ERR_load_crypto_strings();
238 e
= setup_engine(bio_err
, engine
, 0);
240 if (!app_passwd(bio_err
, passargin
, passargout
, &passin
, &passout
)) {
241 BIO_printf(bio_err
, "Error getting passwords\n");
245 in
= BIO_new(BIO_s_file());
246 out
= BIO_new(BIO_s_file());
247 if ((in
== NULL
) || (out
== NULL
)) {
248 ERR_print_errors(bio_err
);
253 BIO_set_fp(in
, stdin
, BIO_NOCLOSE
);
255 if (BIO_read_filename(in
, infile
) <= 0) {
261 BIO_printf(bio_err
, "read DSA key\n");
267 pkey
= load_pubkey(bio_err
, infile
, informat
, 1,
268 passin
, e
, "Public Key");
270 pkey
= load_key(bio_err
, infile
, informat
, 1,
271 passin
, e
, "Private Key");
274 dsa
= EVP_PKEY_get1_DSA(pkey
);
279 BIO_printf(bio_err
, "unable to load Key\n");
280 ERR_print_errors(bio_err
);
284 if (outfile
== NULL
) {
285 BIO_set_fp(out
, stdout
, BIO_NOCLOSE
);
286 # ifdef OPENSSL_SYS_VMS
288 BIO
*tmpbio
= BIO_new(BIO_f_linebuffer());
289 out
= BIO_push(tmpbio
, out
);
293 if (BIO_write_filename(out
, outfile
) <= 0) {
300 if (!DSA_print(out
, dsa
, 0)) {
302 ERR_print_errors(bio_err
);
307 fprintf(stdout
, "Public Key=");
308 BN_print(out
, dsa
->pub_key
);
309 fprintf(stdout
, "\n");
314 BIO_printf(bio_err
, "writing DSA key\n");
315 if (outformat
== FORMAT_ASN1
) {
317 i
= i2d_DSA_PUBKEY_bio(out
, dsa
);
319 i
= i2d_DSAPrivateKey_bio(out
, dsa
);
320 } else if (outformat
== FORMAT_PEM
) {
322 i
= PEM_write_bio_DSA_PUBKEY(out
, dsa
);
324 i
= PEM_write_bio_DSAPrivateKey(out
, dsa
, enc
,
325 NULL
, 0, NULL
, passout
);
326 # if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4)
327 } else if (outformat
== FORMAT_MSBLOB
|| outformat
== FORMAT_PVK
) {
333 EVP_PKEY_set1_DSA(pk
, dsa
);
334 if (outformat
== FORMAT_PVK
)
335 i
= i2b_PVK_bio(out
, pk
, pvk_encr
, 0, passout
);
336 else if (pubin
|| pubout
)
337 i
= i2b_PublicKey_bio(out
, pk
);
339 i
= i2b_PrivateKey_bio(out
, pk
);
343 BIO_printf(bio_err
, "bad output format specified for outfile\n");
347 BIO_printf(bio_err
, "unable to write private key\n");
348 ERR_print_errors(bio_err
);
360 OPENSSL_free(passin
);
362 OPENSSL_free(passout
);
366 #else /* !OPENSSL_NO_DSA */
369 static void *dummy
= &dummy
;