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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 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"); | |
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 | #ifndef OPENSSL_NO_RSA | |
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) | |
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 |