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1 /* apps/dsa.c */ | |
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
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 | |
59 #include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */ | |
60 #ifndef OPENSSL_NO_DSA | |
61 #include <stdio.h> | |
62 #include <stdlib.h> | |
63 #include <string.h> | |
64 #include <time.h> | |
65 #include "apps.h" | |
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> | |
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 | |
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 | |
93 */ | |
94 | |
95 int MAIN(int, char **); | |
96 | |
97 int MAIN(int argc, char **argv) | |
98 { | |
99 ENGINE *e = NULL; | |
100 int ret=1; | |
101 DSA *dsa=NULL; | |
102 int i,badops=0; | |
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 | |
109 char *engine; | |
110 #endif | |
111 char *passargin = NULL, *passargout = NULL; | |
112 char *passin = NULL, *passout = NULL; | |
113 int modulus=0; | |
114 | |
115 int pvk_encr = 2; | |
116 | |
117 apps_startup(); | |
118 | |
119 if (bio_err == NULL) | |
120 if ((bio_err=BIO_new(BIO_s_file())) != NULL) | |
121 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); | |
122 | |
123 if (!load_config(bio_err, NULL)) | |
124 goto end; | |
125 | |
126 #ifndef OPENSSL_NO_ENGINE | |
127 engine=NULL; | |
128 #endif | |
129 infile=NULL; | |
130 outfile=NULL; | |
131 informat=FORMAT_PEM; | |
132 outformat=FORMAT_PEM; | |
133 | |
134 prog=argv[0]; | |
135 argc--; | |
136 argv++; | |
137 while (argc >= 1) | |
138 { | |
139 if (strcmp(*argv,"-inform") == 0) | |
140 { | |
141 if (--argc < 1) goto bad; | |
142 informat=str2fmt(*(++argv)); | |
143 } | |
144 else if (strcmp(*argv,"-outform") == 0) | |
145 { | |
146 if (--argc < 1) goto bad; | |
147 outformat=str2fmt(*(++argv)); | |
148 } | |
149 else if (strcmp(*argv,"-in") == 0) | |
150 { | |
151 if (--argc < 1) goto bad; | |
152 infile= *(++argv); | |
153 } | |
154 else if (strcmp(*argv,"-out") == 0) | |
155 { | |
156 if (--argc < 1) goto bad; | |
157 outfile= *(++argv); | |
158 } | |
159 else if (strcmp(*argv,"-passin") == 0) | |
160 { | |
161 if (--argc < 1) goto bad; | |
162 passargin= *(++argv); | |
163 } | |
164 else if (strcmp(*argv,"-passout") == 0) | |
165 { | |
166 if (--argc < 1) goto bad; | |
167 passargout= *(++argv); | |
168 } | |
169 #ifndef OPENSSL_NO_ENGINE | |
170 else if (strcmp(*argv,"-engine") == 0) | |
171 { | |
172 if (--argc < 1) goto bad; | |
173 engine= *(++argv); | |
174 } | |
175 #endif | |
176 else if (strcmp(*argv,"-pvk-strong") == 0) | |
177 pvk_encr=2; | |
178 else if (strcmp(*argv,"-pvk-weak") == 0) | |
179 pvk_encr=1; | |
180 else if (strcmp(*argv,"-pvk-none") == 0) | |
181 pvk_encr=0; | |
182 else if (strcmp(*argv,"-noout") == 0) | |
183 noout=1; | |
184 else if (strcmp(*argv,"-text") == 0) | |
185 text=1; | |
186 else if (strcmp(*argv,"-modulus") == 0) | |
187 modulus=1; | |
188 else if (strcmp(*argv,"-pubin") == 0) | |
189 pubin=1; | |
190 else if (strcmp(*argv,"-pubout") == 0) | |
191 pubout=1; | |
192 else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL) | |
193 { | |
194 BIO_printf(bio_err,"unknown option %s\n",*argv); | |
195 badops=1; | |
196 break; | |
197 } | |
198 argc--; | |
199 argv++; | |
200 } | |
201 | |
202 if (badops) | |
203 { | |
204 bad: | |
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 sour
ce\n"); | |
211 BIO_printf(bio_err," -out arg output file\n"); | |
212 BIO_printf(bio_err," -passout arg output file pass phrase sou
rce\n"); | |
213 #ifndef OPENSSL_NO_ENGINE | |
214 BIO_printf(bio_err," -engine e use engine e, possibly a ha
rdware device.\n"); | |
215 #endif | |
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"); | |
220 #endif | |
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"); | |
224 #endif | |
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"); | |
228 #endif | |
229 #ifndef OPENSSL_NO_SEED | |
230 BIO_printf(bio_err," -seed encrypt PEM output with cbc
seed\n"); | |
231 #endif | |
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"); | |
235 goto end; | |
236 } | |
237 | |
238 ERR_load_crypto_strings(); | |
239 | |
240 #ifndef OPENSSL_NO_ENGINE | |
241 e = setup_engine(bio_err, engine, 0); | |
242 #endif | |
243 | |
244 if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { | |
245 BIO_printf(bio_err, "Error getting passwords\n"); | |
246 goto end; | |
247 } | |
248 | |
249 in=BIO_new(BIO_s_file()); | |
250 out=BIO_new(BIO_s_file()); | |
251 if ((in == NULL) || (out == NULL)) | |
252 { | |
253 ERR_print_errors(bio_err); | |
254 goto end; | |
255 } | |
256 | |
257 if (infile == NULL) | |
258 BIO_set_fp(in,stdin,BIO_NOCLOSE); | |
259 else | |
260 { | |
261 if (BIO_read_filename(in,infile) <= 0) | |
262 { | |
263 perror(infile); | |
264 goto end; | |
265 } | |
266 } | |
267 | |
268 BIO_printf(bio_err,"read DSA key\n"); | |
269 | |
270 { | |
271 EVP_PKEY *pkey; | |
272 | |
273 if (pubin) | |
274 pkey = load_pubkey(bio_err, infile, informat, 1, | |
275 passin, e, "Public Key"); | |
276 else | |
277 pkey = load_key(bio_err, infile, informat, 1, | |
278 passin, e, "Private Key"); | |
279 | |
280 if (pkey) | |
281 { | |
282 dsa = EVP_PKEY_get1_DSA(pkey); | |
283 EVP_PKEY_free(pkey); | |
284 } | |
285 } | |
286 if (dsa == NULL) | |
287 { | |
288 BIO_printf(bio_err,"unable to load Key\n"); | |
289 ERR_print_errors(bio_err); | |
290 goto end; | |
291 } | |
292 | |
293 if (outfile == NULL) | |
294 { | |
295 BIO_set_fp(out,stdout,BIO_NOCLOSE); | |
296 #ifdef OPENSSL_SYS_VMS | |
297 { | |
298 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
299 out = BIO_push(tmpbio, out); | |
300 } | |
301 #endif | |
302 } | |
303 else | |
304 { | |
305 if (BIO_write_filename(out,outfile) <= 0) | |
306 { | |
307 perror(outfile); | |
308 goto end; | |
309 } | |
310 } | |
311 | |
312 if (text) | |
313 if (!DSA_print(out,dsa,0)) | |
314 { | |
315 perror(outfile); | |
316 ERR_print_errors(bio_err); | |
317 goto end; | |
318 } | |
319 | |
320 if (modulus) | |
321 { | |
322 fprintf(stdout,"Public Key="); | |
323 BN_print(out,dsa->pub_key); | |
324 fprintf(stdout,"\n"); | |
325 } | |
326 | |
327 if (noout) goto end; | |
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) { | |
333 if(pubin || pubout) | |
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 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4) | |
338 } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) { | |
339 EVP_PKEY *pk; | |
340 pk = EVP_PKEY_new(); | |
341 EVP_PKEY_set1_DSA(pk, dsa); | |
342 if (outformat == FORMAT_PVK) | |
343 i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout); | |
344 else if (pubin || pubout) | |
345 i = i2b_PublicKey_bio(out, pk); | |
346 else | |
347 i = i2b_PrivateKey_bio(out, pk); | |
348 EVP_PKEY_free(pk); | |
349 #endif | |
350 } else { | |
351 BIO_printf(bio_err,"bad output format specified for outfile\n"); | |
352 goto end; | |
353 } | |
354 if (i <= 0) | |
355 { | |
356 BIO_printf(bio_err,"unable to write private key\n"); | |
357 ERR_print_errors(bio_err); | |
358 } | |
359 else | |
360 ret=0; | |
361 end: | |
362 if(in != NULL) BIO_free(in); | |
363 if(out != NULL) BIO_free_all(out); | |
364 if(dsa != NULL) DSA_free(dsa); | |
365 if(passin) OPENSSL_free(passin); | |
366 if(passout) OPENSSL_free(passout); | |
367 apps_shutdown(); | |
368 OPENSSL_EXIT(ret); | |
369 } | |
370 #else /* !OPENSSL_NO_DSA */ | |
371 | |
372 # if PEDANTIC | |
373 static void *dummy=&dummy; | |
374 # endif | |
375 | |
376 #endif | |
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