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d02b48c6 | 1 | /* apps/dsa.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
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. | |
8 | * | |
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). | |
15 | * | |
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. | |
22 | * | |
23 | * Redistribution and use in source and binary forms, with or without | |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
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)" | |
40 | * | |
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 | |
51 | * SUCH DAMAGE. | |
52 | * | |
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.] | |
57 | */ | |
58 | ||
3eeaab4b | 59 | #include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */ |
cf1b7d96 | 60 | #ifndef OPENSSL_NO_DSA |
d02b48c6 RE |
61 | #include <stdio.h> |
62 | #include <stdlib.h> | |
63 | #include <string.h> | |
64 | #include <time.h> | |
65 | #include "apps.h" | |
ec577822 BM |
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> | |
f0eae953 | 72 | #include <openssl/bn.h> |
d02b48c6 RE |
73 | |
74 | #undef PROG | |
75 | #define PROG dsa_main | |
76 | ||
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 | |
b3dfaaa1 RL |
84 | * -aes128 - encrypt output if PEM format |
85 | * -aes192 - encrypt output if PEM format | |
86 | * -aes256 - encrypt output if PEM format | |
d02b48c6 RE |
87 | * -text - print a text version |
88 | * -modulus - print the DSA public key | |
89 | */ | |
90 | ||
667ac4ec RE |
91 | int MAIN(int, char **); |
92 | ||
6b691a5c | 93 | int MAIN(int argc, char **argv) |
d02b48c6 | 94 | { |
0b13e9f0 | 95 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 96 | ENGINE *e = NULL; |
0b13e9f0 | 97 | #endif |
d02b48c6 RE |
98 | int ret=1; |
99 | DSA *dsa=NULL; | |
100 | int i,badops=0; | |
e778802f | 101 | const EVP_CIPHER *enc=NULL; |
d02b48c6 RE |
102 | BIO *in=NULL,*out=NULL; |
103 | int informat,outformat,text=0,noout=0; | |
3ea23631 | 104 | int pubin = 0, pubout = 0; |
0b13e9f0 RL |
105 | char *infile,*outfile,*prog; |
106 | #ifndef OPENSSL_NO_ENGINE | |
107 | char *engine; | |
108 | #endif | |
a3fe382e | 109 | char *passargin = NULL, *passargout = NULL; |
af29811e | 110 | char *passin = NULL, *passout = NULL; |
d02b48c6 RE |
111 | int modulus=0; |
112 | ||
3f67e11f DSH |
113 | int pvk_encr = 2; |
114 | ||
d02b48c6 RE |
115 | apps_startup(); |
116 | ||
117 | if (bio_err == NULL) | |
118 | if ((bio_err=BIO_new(BIO_s_file())) != NULL) | |
58964a49 | 119 | BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); |
d02b48c6 | 120 | |
3647bee2 DSH |
121 | if (!load_config(bio_err, NULL)) |
122 | goto end; | |
123 | ||
0b13e9f0 | 124 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 125 | engine=NULL; |
0b13e9f0 | 126 | #endif |
d02b48c6 RE |
127 | infile=NULL; |
128 | outfile=NULL; | |
129 | informat=FORMAT_PEM; | |
130 | outformat=FORMAT_PEM; | |
131 | ||
132 | prog=argv[0]; | |
133 | argc--; | |
134 | argv++; | |
135 | while (argc >= 1) | |
136 | { | |
137 | if (strcmp(*argv,"-inform") == 0) | |
138 | { | |
139 | if (--argc < 1) goto bad; | |
140 | informat=str2fmt(*(++argv)); | |
141 | } | |
142 | else if (strcmp(*argv,"-outform") == 0) | |
143 | { | |
144 | if (--argc < 1) goto bad; | |
145 | outformat=str2fmt(*(++argv)); | |
146 | } | |
147 | else if (strcmp(*argv,"-in") == 0) | |
148 | { | |
149 | if (--argc < 1) goto bad; | |
150 | infile= *(++argv); | |
151 | } | |
152 | else if (strcmp(*argv,"-out") == 0) | |
153 | { | |
154 | if (--argc < 1) goto bad; | |
155 | outfile= *(++argv); | |
156 | } | |
af29811e DSH |
157 | else if (strcmp(*argv,"-passin") == 0) |
158 | { | |
159 | if (--argc < 1) goto bad; | |
a3fe382e | 160 | passargin= *(++argv); |
af29811e DSH |
161 | } |
162 | else if (strcmp(*argv,"-passout") == 0) | |
163 | { | |
164 | if (--argc < 1) goto bad; | |
a3fe382e | 165 | passargout= *(++argv); |
af29811e | 166 | } |
0b13e9f0 | 167 | #ifndef OPENSSL_NO_ENGINE |
5270e702 RL |
168 | else if (strcmp(*argv,"-engine") == 0) |
169 | { | |
170 | if (--argc < 1) goto bad; | |
171 | engine= *(++argv); | |
172 | } | |
0b13e9f0 | 173 | #endif |
3f67e11f DSH |
174 | else if (strcmp(*argv,"-pvk-strong") == 0) |
175 | pvk_encr=2; | |
176 | else if (strcmp(*argv,"-pvk-weak") == 0) | |
177 | pvk_encr=1; | |
178 | else if (strcmp(*argv,"-pvk-none") == 0) | |
179 | pvk_encr=0; | |
d02b48c6 RE |
180 | else if (strcmp(*argv,"-noout") == 0) |
181 | noout=1; | |
182 | else if (strcmp(*argv,"-text") == 0) | |
183 | text=1; | |
184 | else if (strcmp(*argv,"-modulus") == 0) | |
185 | modulus=1; | |
3ea23631 DSH |
186 | else if (strcmp(*argv,"-pubin") == 0) |
187 | pubin=1; | |
188 | else if (strcmp(*argv,"-pubout") == 0) | |
189 | pubout=1; | |
d02b48c6 RE |
190 | else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL) |
191 | { | |
192 | BIO_printf(bio_err,"unknown option %s\n",*argv); | |
193 | badops=1; | |
194 | break; | |
195 | } | |
196 | argc--; | |
197 | argv++; | |
198 | } | |
199 | ||
200 | if (badops) | |
201 | { | |
202 | bad: | |
203 | BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog); | |
204 | BIO_printf(bio_err,"where options are\n"); | |
af29811e DSH |
205 | BIO_printf(bio_err," -inform arg input format - DER or PEM\n"); |
206 | BIO_printf(bio_err," -outform arg output format - DER or PEM\n"); | |
207 | BIO_printf(bio_err," -in arg input file\n"); | |
a3fe382e | 208 | BIO_printf(bio_err," -passin arg input file pass phrase source\n"); |
af29811e | 209 | BIO_printf(bio_err," -out arg output file\n"); |
a3fe382e | 210 | BIO_printf(bio_err," -passout arg output file pass phrase source\n"); |
0b13e9f0 | 211 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 212 | BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); |
0b13e9f0 | 213 | #endif |
af29811e DSH |
214 | BIO_printf(bio_err," -des encrypt PEM output with cbc des\n"); |
215 | BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n"); | |
cf1b7d96 | 216 | #ifndef OPENSSL_NO_IDEA |
af29811e | 217 | BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n"); |
b3dfaaa1 RL |
218 | #endif |
219 | #ifndef OPENSSL_NO_AES | |
220 | BIO_printf(bio_err," -aes128, -aes192, -aes256\n"); | |
221 | BIO_printf(bio_err," encrypt PEM output with cbc aes\n"); | |
d02b48c6 | 222 | #endif |
af29811e DSH |
223 | BIO_printf(bio_err," -text print the key in text\n"); |
224 | BIO_printf(bio_err," -noout don't print key out\n"); | |
225 | BIO_printf(bio_err," -modulus print the DSA public value\n"); | |
d02b48c6 RE |
226 | goto end; |
227 | } | |
228 | ||
229 | ERR_load_crypto_strings(); | |
230 | ||
0b13e9f0 | 231 | #ifndef OPENSSL_NO_ENGINE |
a3376fe8 | 232 | e = setup_engine(bio_err, engine, 0); |
0b13e9f0 | 233 | #endif |
5270e702 | 234 | |
a3fe382e DSH |
235 | if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { |
236 | BIO_printf(bio_err, "Error getting passwords\n"); | |
237 | goto end; | |
238 | } | |
239 | ||
d02b48c6 RE |
240 | in=BIO_new(BIO_s_file()); |
241 | out=BIO_new(BIO_s_file()); | |
242 | if ((in == NULL) || (out == NULL)) | |
243 | { | |
244 | ERR_print_errors(bio_err); | |
245 | goto end; | |
246 | } | |
247 | ||
248 | if (infile == NULL) | |
249 | BIO_set_fp(in,stdin,BIO_NOCLOSE); | |
250 | else | |
251 | { | |
252 | if (BIO_read_filename(in,infile) <= 0) | |
253 | { | |
254 | perror(infile); | |
255 | goto end; | |
256 | } | |
257 | } | |
258 | ||
3ea23631 | 259 | BIO_printf(bio_err,"read DSA key\n"); |
a0156a92 | 260 | |
d02b48c6 | 261 | { |
a0156a92 DSH |
262 | EVP_PKEY *pkey; |
263 | ||
264 | if (pubin) | |
265 | pkey = load_pubkey(bio_err, infile, informat, 1, | |
266 | passin, e, "Public Key"); | |
267 | else | |
268 | pkey = load_key(bio_err, infile, informat, 1, | |
269 | passin, e, "Private Key"); | |
270 | ||
271 | if (pkey) | |
272 | { | |
273 | dsa = EVP_PKEY_get1_DSA(pkey); | |
274 | EVP_PKEY_free(pkey); | |
275 | } | |
d02b48c6 RE |
276 | } |
277 | if (dsa == NULL) | |
278 | { | |
3ea23631 | 279 | BIO_printf(bio_err,"unable to load Key\n"); |
d02b48c6 RE |
280 | ERR_print_errors(bio_err); |
281 | goto end; | |
282 | } | |
283 | ||
284 | if (outfile == NULL) | |
645749ef | 285 | { |
d02b48c6 | 286 | BIO_set_fp(out,stdout,BIO_NOCLOSE); |
bc36ee62 | 287 | #ifdef OPENSSL_SYS_VMS |
645749ef RL |
288 | { |
289 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
290 | out = BIO_push(tmpbio, out); | |
291 | } | |
292 | #endif | |
293 | } | |
d02b48c6 RE |
294 | else |
295 | { | |
296 | if (BIO_write_filename(out,outfile) <= 0) | |
297 | { | |
298 | perror(outfile); | |
299 | goto end; | |
300 | } | |
301 | } | |
302 | ||
303 | if (text) | |
304 | if (!DSA_print(out,dsa,0)) | |
305 | { | |
306 | perror(outfile); | |
307 | ERR_print_errors(bio_err); | |
308 | goto end; | |
309 | } | |
310 | ||
311 | if (modulus) | |
312 | { | |
313 | fprintf(stdout,"Public Key="); | |
314 | BN_print(out,dsa->pub_key); | |
315 | fprintf(stdout,"\n"); | |
316 | } | |
317 | ||
318 | if (noout) goto end; | |
3ea23631 DSH |
319 | BIO_printf(bio_err,"writing DSA key\n"); |
320 | if (outformat == FORMAT_ASN1) { | |
52664f50 | 321 | if(pubin || pubout) i=i2d_DSA_PUBKEY_bio(out,dsa); |
3ea23631 DSH |
322 | else i=i2d_DSAPrivateKey_bio(out,dsa); |
323 | } else if (outformat == FORMAT_PEM) { | |
324 | if(pubin || pubout) | |
52664f50 | 325 | i=PEM_write_bio_DSA_PUBKEY(out,dsa); |
36217a94 | 326 | else i=PEM_write_bio_DSAPrivateKey(out,dsa,enc, |
a3fe382e | 327 | NULL,0,NULL, passout); |
3f67e11f | 328 | } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) { |
a0156a92 DSH |
329 | EVP_PKEY *pk; |
330 | pk = EVP_PKEY_new(); | |
331 | EVP_PKEY_set1_DSA(pk, dsa); | |
3f67e11f DSH |
332 | if (outformat == FORMAT_PVK) |
333 | i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout); | |
334 | else if (pubin || pubout) | |
a0156a92 DSH |
335 | i = i2b_PublicKey_bio(out, pk); |
336 | else | |
337 | i = i2b_PrivateKey_bio(out, pk); | |
338 | EVP_PKEY_free(pk); | |
af29811e | 339 | } else { |
d02b48c6 RE |
340 | BIO_printf(bio_err,"bad output format specified for outfile\n"); |
341 | goto end; | |
342 | } | |
343 | if (!i) | |
344 | { | |
345 | BIO_printf(bio_err,"unable to write private key\n"); | |
346 | ERR_print_errors(bio_err); | |
347 | } | |
348 | else | |
349 | ret=0; | |
350 | end: | |
a3fe382e | 351 | if(in != NULL) BIO_free(in); |
645749ef | 352 | if(out != NULL) BIO_free_all(out); |
a3fe382e | 353 | if(dsa != NULL) DSA_free(dsa); |
26a3a48d RL |
354 | if(passin) OPENSSL_free(passin); |
355 | if(passout) OPENSSL_free(passout); | |
c04f8cf4 | 356 | apps_shutdown(); |
1c3e4a36 | 357 | OPENSSL_EXIT(ret); |
d02b48c6 | 358 | } |
f5d7a031 | 359 | #endif |