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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>
77 /* -inform arg - input format - default PEM (one of DER, NET or PEM)
78 * -outform arg - output format - default PEM
79 * -in arg - input file - default stdin
80 * -out arg - output file - default stdout
81 * -des - encrypt output if PEM format with DES in cbc mode
82 * -des3 - encrypt output if PEM format
83 * -idea - encrypt output if PEM format
84 * -aes128 - encrypt output if PEM format
85 * -aes192 - encrypt output if PEM format
86 * -aes256 - encrypt output if PEM format
87 * -camellia128 - encrypt output if PEM format
88 * -camellia192 - encrypt output if PEM format
89 * -camellia256 - encrypt output if PEM format
90 * -seed - encrypt output if PEM format
91 * -text - print a text version
92 * -modulus - print the DSA public key
95 int MAIN(int, char **);
97 int MAIN(int argc
, char **argv
)
103 const EVP_CIPHER
*enc
=NULL
;
104 BIO
*in
=NULL
,*out
=NULL
;
105 int informat
,outformat
,text
=0,noout
=0;
106 int pubin
= 0, pubout
= 0;
107 char *infile
,*outfile
,*prog
;
108 #ifndef OPENSSL_NO_ENGINE
111 char *passargin
= NULL
, *passargout
= NULL
;
112 char *passin
= NULL
, *passout
= NULL
;
120 if ((bio_err
=BIO_new(BIO_s_file())) != NULL
)
121 BIO_set_fp(bio_err
,stderr
,BIO_NOCLOSE
|BIO_FP_TEXT
);
123 if (!load_config(bio_err
, NULL
))
126 #ifndef OPENSSL_NO_ENGINE
132 outformat
=FORMAT_PEM
;
139 if (strcmp(*argv
,"-inform") == 0)
141 if (--argc
< 1) goto bad
;
142 informat
=str2fmt(*(++argv
));
144 else if (strcmp(*argv
,"-outform") == 0)
146 if (--argc
< 1) goto bad
;
147 outformat
=str2fmt(*(++argv
));
149 else if (strcmp(*argv
,"-in") == 0)
151 if (--argc
< 1) goto bad
;
154 else if (strcmp(*argv
,"-out") == 0)
156 if (--argc
< 1) goto bad
;
159 else if (strcmp(*argv
,"-passin") == 0)
161 if (--argc
< 1) goto bad
;
162 passargin
= *(++argv
);
164 else if (strcmp(*argv
,"-passout") == 0)
166 if (--argc
< 1) goto bad
;
167 passargout
= *(++argv
);
169 #ifndef OPENSSL_NO_ENGINE
170 else if (strcmp(*argv
,"-engine") == 0)
172 if (--argc
< 1) goto bad
;
176 else if (strcmp(*argv
,"-pvk-strong") == 0)
178 else if (strcmp(*argv
,"-pvk-weak") == 0)
180 else if (strcmp(*argv
,"-pvk-none") == 0)
182 else if (strcmp(*argv
,"-noout") == 0)
184 else if (strcmp(*argv
,"-text") == 0)
186 else if (strcmp(*argv
,"-modulus") == 0)
188 else if (strcmp(*argv
,"-pubin") == 0)
190 else if (strcmp(*argv
,"-pubout") == 0)
192 else if ((enc
=EVP_get_cipherbyname(&(argv
[0][1]))) == NULL
)
194 BIO_printf(bio_err
,"unknown option %s\n",*argv
);
205 BIO_printf(bio_err
,"%s [options] <infile >outfile\n",prog
);
206 BIO_printf(bio_err
,"where options are\n");
207 BIO_printf(bio_err
," -inform arg input format - DER or PEM\n");
208 BIO_printf(bio_err
," -outform arg output format - DER or PEM\n");
209 BIO_printf(bio_err
," -in arg input file\n");
210 BIO_printf(bio_err
," -passin arg input file pass phrase source\n");
211 BIO_printf(bio_err
," -out arg output file\n");
212 BIO_printf(bio_err
," -passout arg output file pass phrase source\n");
213 #ifndef OPENSSL_NO_ENGINE
214 BIO_printf(bio_err
," -engine e use engine e, possibly a hardware device.\n");
216 BIO_printf(bio_err
," -des encrypt PEM output with cbc des\n");
217 BIO_printf(bio_err
," -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
218 #ifndef OPENSSL_NO_IDEA
219 BIO_printf(bio_err
," -idea encrypt PEM output with cbc idea\n");
221 #ifndef OPENSSL_NO_AES
222 BIO_printf(bio_err
," -aes128, -aes192, -aes256\n");
223 BIO_printf(bio_err
," encrypt PEM output with cbc aes\n");
225 #ifndef OPENSSL_NO_CAMELLIA
226 BIO_printf(bio_err
," -camellia128, -camellia192, -camellia256\n");
227 BIO_printf(bio_err
," encrypt PEM output with cbc camellia\n");
229 #ifndef OPENSSL_NO_SEED
230 BIO_printf(bio_err
," -seed encrypt PEM output with cbc seed\n");
232 BIO_printf(bio_err
," -text print the key in text\n");
233 BIO_printf(bio_err
," -noout don't print key out\n");
234 BIO_printf(bio_err
," -modulus print the DSA public value\n");
238 ERR_load_crypto_strings();
240 #ifndef OPENSSL_NO_ENGINE
241 e
= setup_engine(bio_err
, engine
, 0);
244 if(!app_passwd(bio_err
, passargin
, passargout
, &passin
, &passout
)) {
245 BIO_printf(bio_err
, "Error getting passwords\n");
249 in
=BIO_new(BIO_s_file());
250 out
=BIO_new(BIO_s_file());
251 if ((in
== NULL
) || (out
== NULL
))
253 ERR_print_errors(bio_err
);
258 BIO_set_fp(in
,stdin
,BIO_NOCLOSE
);
261 if (BIO_read_filename(in
,infile
) <= 0)
268 BIO_printf(bio_err
,"read DSA key\n");
274 pkey
= load_pubkey(bio_err
, infile
, informat
, 1,
275 passin
, e
, "Public Key");
277 pkey
= load_key(bio_err
, infile
, informat
, 1,
278 passin
, e
, "Private Key");
282 dsa
= EVP_PKEY_get1_DSA(pkey
);
288 BIO_printf(bio_err
,"unable to load Key\n");
289 ERR_print_errors(bio_err
);
295 BIO_set_fp(out
,stdout
,BIO_NOCLOSE
);
296 #ifdef OPENSSL_SYS_VMS
298 BIO
*tmpbio
= BIO_new(BIO_f_linebuffer());
299 out
= BIO_push(tmpbio
, out
);
305 if (BIO_write_filename(out
,outfile
) <= 0)
313 if (!DSA_print(out
,dsa
,0))
316 ERR_print_errors(bio_err
);
322 fprintf(stdout
,"Public Key=");
323 BN_print(out
,dsa
->pub_key
);
324 fprintf(stdout
,"\n");
328 BIO_printf(bio_err
,"writing DSA key\n");
329 if (outformat
== FORMAT_ASN1
) {
330 if(pubin
|| pubout
) i
=i2d_DSA_PUBKEY_bio(out
,dsa
);
331 else i
=i2d_DSAPrivateKey_bio(out
,dsa
);
332 } else if (outformat
== FORMAT_PEM
) {
334 i
=PEM_write_bio_DSA_PUBKEY(out
,dsa
);
335 else i
=PEM_write_bio_DSAPrivateKey(out
,dsa
,enc
,
336 NULL
,0,NULL
, passout
);
337 } else if (outformat
== FORMAT_MSBLOB
|| outformat
== FORMAT_PVK
) {
340 EVP_PKEY_set1_DSA(pk
, dsa
);
341 if (outformat
== FORMAT_PVK
)
342 i
= i2b_PVK_bio(out
, pk
, pvk_encr
, 0, passout
);
343 else if (pubin
|| pubout
)
344 i
= i2b_PublicKey_bio(out
, pk
);
346 i
= i2b_PrivateKey_bio(out
, pk
);
349 BIO_printf(bio_err
,"bad output format specified for outfile\n");
354 BIO_printf(bio_err
,"unable to write private key\n");
355 ERR_print_errors(bio_err
);
360 if(in
!= NULL
) BIO_free(in
);
361 if(out
!= NULL
) BIO_free_all(out
);
362 if(dsa
!= NULL
) DSA_free(dsa
);
363 if(passin
) OPENSSL_free(passin
);
364 if(passout
) OPENSSL_free(passout
);