|
1 /* apps/rsa.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> |
|
60 #ifndef OPENSSL_NO_RSA |
|
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/rsa.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 rsa_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 * -seed - 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 * -text - print a text version |
|
89 * -modulus - print the RSA key modulus |
|
90 * -check - verify key consistency |
|
91 * -pubin - Expect a public key in input file. |
|
92 * -pubout - Output a public key. |
|
93 */ |
|
94 |
|
95 |
|
96 int MAIN(int, char **); |
|
97 |
|
98 int MAIN(int argc, char **argv) |
|
99 { |
|
100 ENGINE *e = NULL; |
|
101 int ret=1; |
|
102 RSA *rsa=NULL; |
|
103 int i,badops=0, sgckey=0; |
|
104 const EVP_CIPHER *enc=NULL; |
|
105 BIO *out=NULL; |
|
106 int informat,outformat,text=0,check=0,noout=0; |
|
107 int pubin = 0, pubout = 0; |
|
108 char *infile,*outfile,*prog; |
|
109 char *passargin = NULL, *passargout = NULL; |
|
110 char *passin = NULL, *passout = NULL; |
|
111 #ifndef OPENSSL_NO_ENGINE |
|
112 char *engine=NULL; |
|
113 #endif |
|
114 int modulus=0; |
|
115 |
|
116 apps_startup(); |
|
117 |
|
118 if (bio_err == NULL) |
|
119 if ((bio_err=BIO_new(BIO_s_file())) != NULL) |
|
120 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); |
|
121 if (!load_config(bio_err, NULL)) |
|
122 goto end; |
|
123 |
|
124 infile=NULL; |
|
125 outfile=NULL; |
|
126 informat=FORMAT_PEM; |
|
127 outformat=FORMAT_PEM; |
|
128 |
|
129 prog=argv[0]; |
|
130 argc--; |
|
131 argv++; |
|
132 while (argc >= 1) |
|
133 { |
|
134 if (strcmp(*argv,"-inform") == 0) |
|
135 { |
|
136 if (--argc < 1) goto bad; |
|
137 informat=str2fmt(*(++argv)); |
|
138 } |
|
139 else if (strcmp(*argv,"-outform") == 0) |
|
140 { |
|
141 if (--argc < 1) goto bad; |
|
142 outformat=str2fmt(*(++argv)); |
|
143 } |
|
144 else if (strcmp(*argv,"-in") == 0) |
|
145 { |
|
146 if (--argc < 1) goto bad; |
|
147 infile= *(++argv); |
|
148 } |
|
149 else if (strcmp(*argv,"-out") == 0) |
|
150 { |
|
151 if (--argc < 1) goto bad; |
|
152 outfile= *(++argv); |
|
153 } |
|
154 else if (strcmp(*argv,"-passin") == 0) |
|
155 { |
|
156 if (--argc < 1) goto bad; |
|
157 passargin= *(++argv); |
|
158 } |
|
159 else if (strcmp(*argv,"-passout") == 0) |
|
160 { |
|
161 if (--argc < 1) goto bad; |
|
162 passargout= *(++argv); |
|
163 } |
|
164 #ifndef OPENSSL_NO_ENGINE |
|
165 else if (strcmp(*argv,"-engine") == 0) |
|
166 { |
|
167 if (--argc < 1) goto bad; |
|
168 engine= *(++argv); |
|
169 } |
|
170 #endif |
|
171 else if (strcmp(*argv,"-sgckey") == 0) |
|
172 sgckey=1; |
|
173 else if (strcmp(*argv,"-pubin") == 0) |
|
174 pubin=1; |
|
175 else if (strcmp(*argv,"-pubout") == 0) |
|
176 pubout=1; |
|
177 else if (strcmp(*argv,"-noout") == 0) |
|
178 noout=1; |
|
179 else if (strcmp(*argv,"-text") == 0) |
|
180 text=1; |
|
181 else if (strcmp(*argv,"-modulus") == 0) |
|
182 modulus=1; |
|
183 else if (strcmp(*argv,"-check") == 0) |
|
184 check=1; |
|
185 else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL) |
|
186 { |
|
187 BIO_printf(bio_err,"unknown option %s\n",*argv); |
|
188 badops=1; |
|
189 break; |
|
190 } |
|
191 argc--; |
|
192 argv++; |
|
193 } |
|
194 |
|
195 if (badops) |
|
196 { |
|
197 bad: |
|
198 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog); |
|
199 BIO_printf(bio_err,"where options are\n"); |
|
200 BIO_printf(bio_err," -inform arg input format - one of DER NET PEM\n"); |
|
201 BIO_printf(bio_err," -outform arg output format - one of DER NET PEM\n"); |
|
202 BIO_printf(bio_err," -in arg input file\n"); |
|
203 BIO_printf(bio_err," -sgckey Use IIS SGC key format\n"); |
|
204 BIO_printf(bio_err," -passin arg input file pass phrase source\n"); |
|
205 BIO_printf(bio_err," -out arg output file\n"); |
|
206 BIO_printf(bio_err," -passout arg output file pass phrase source\n"); |
|
207 BIO_printf(bio_err," -des encrypt PEM output with cbc des\n"); |
|
208 BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n"); |
|
209 #ifndef OPENSSL_NO_IDEA |
|
210 BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n"); |
|
211 #endif |
|
212 #ifndef OPENSSL_NO_SEED |
|
213 BIO_printf(bio_err," -seed encrypt PEM output with cbc seed\n"); |
|
214 #endif |
|
215 #ifndef OPENSSL_NO_AES |
|
216 BIO_printf(bio_err," -aes128, -aes192, -aes256\n"); |
|
217 BIO_printf(bio_err," encrypt PEM output with cbc aes\n"); |
|
218 #endif |
|
219 BIO_printf(bio_err," -text print the key in text\n"); |
|
220 BIO_printf(bio_err," -noout don't print key out\n"); |
|
221 BIO_printf(bio_err," -modulus print the RSA key modulus\n"); |
|
222 BIO_printf(bio_err," -check verify key consistency\n"); |
|
223 BIO_printf(bio_err," -pubin expect a public key in input file\n"); |
|
224 BIO_printf(bio_err," -pubout output a public key\n"); |
|
225 #ifndef OPENSSL_NO_ENGINE |
|
226 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); |
|
227 #endif |
|
228 goto end; |
|
229 } |
|
230 |
|
231 ERR_load_crypto_strings(); |
|
232 |
|
233 #ifndef OPENSSL_NO_ENGINE |
|
234 e = setup_engine(bio_err, engine, 0); |
|
235 #endif |
|
236 |
|
237 if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { |
|
238 BIO_printf(bio_err, "Error getting passwords\n"); |
|
239 goto end; |
|
240 } |
|
241 |
|
242 if(check && pubin) { |
|
243 BIO_printf(bio_err, "Only private keys can be checked\n"); |
|
244 goto end; |
|
245 } |
|
246 |
|
247 out=BIO_new(BIO_s_file()); |
|
248 |
|
249 { |
|
250 EVP_PKEY *pkey; |
|
251 |
|
252 if (pubin) |
|
253 pkey = load_pubkey(bio_err, infile, |
|
254 (informat == FORMAT_NETSCAPE && sgckey ? |
|
255 FORMAT_IISSGC : informat), 1, |
|
256 passin, e, "Public Key"); |
|
257 else |
|
258 pkey = load_key(bio_err, infile, |
|
259 (informat == FORMAT_NETSCAPE && sgckey ? |
|
260 FORMAT_IISSGC : informat), 1, |
|
261 passin, e, "Private Key"); |
|
262 |
|
263 if (pkey != NULL) |
|
264 rsa = pkey == NULL ? NULL : EVP_PKEY_get1_RSA(pkey); |
|
265 EVP_PKEY_free(pkey); |
|
266 } |
|
267 |
|
268 if (rsa == NULL) |
|
269 { |
|
270 ERR_print_errors(bio_err); |
|
271 goto end; |
|
272 } |
|
273 |
|
274 if (outfile == NULL) |
|
275 { |
|
276 BIO_set_fp(out,stdout,BIO_NOCLOSE); |
|
277 #ifdef OPENSSL_SYS_VMS |
|
278 { |
|
279 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
|
280 out = BIO_push(tmpbio, out); |
|
281 } |
|
282 #endif |
|
283 } |
|
284 else |
|
285 { |
|
286 if (BIO_write_filename(out,outfile) <= 0) |
|
287 { |
|
288 perror(outfile); |
|
289 goto end; |
|
290 } |
|
291 } |
|
292 |
|
293 if (text) |
|
294 if (!RSA_print(out,rsa,0)) |
|
295 { |
|
296 perror(outfile); |
|
297 ERR_print_errors(bio_err); |
|
298 goto end; |
|
299 } |
|
300 |
|
301 if (modulus) |
|
302 { |
|
303 BIO_printf(out,"Modulus="); |
|
304 BN_print(out,rsa->n); |
|
305 BIO_printf(out,"\n"); |
|
306 } |
|
307 |
|
308 if (check) |
|
309 { |
|
310 int r = RSA_check_key(rsa); |
|
311 |
|
312 if (r == 1) |
|
313 BIO_printf(out,"RSA key ok\n"); |
|
314 else if (r == 0) |
|
315 { |
|
316 unsigned long err; |
|
317 |
|
318 while ((err = ERR_peek_error()) != 0 && |
|
319 ERR_GET_LIB(err) == ERR_LIB_RSA && |
|
320 ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY && |
|
321 ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) |
|
322 { |
|
323 BIO_printf(out, "RSA key error: %s\n", ERR_reason_error_string(err)); |
|
324 ERR_get_error(); /* remove e from error stack */ |
|
325 } |
|
326 } |
|
327 |
|
328 if (r == -1 || ERR_peek_error() != 0) /* should happen only if r == -1 */ |
|
329 { |
|
330 ERR_print_errors(bio_err); |
|
331 goto end; |
|
332 } |
|
333 } |
|
334 |
|
335 if (noout) |
|
336 { |
|
337 ret = 0; |
|
338 goto end; |
|
339 } |
|
340 BIO_printf(bio_err,"writing RSA key\n"); |
|
341 if (outformat == FORMAT_ASN1) { |
|
342 if(pubout || pubin) i=i2d_RSA_PUBKEY_bio(out,rsa); |
|
343 else i=i2d_RSAPrivateKey_bio(out,rsa); |
|
344 } |
|
345 #ifndef OPENSSL_NO_RC4 |
|
346 else if (outformat == FORMAT_NETSCAPE) |
|
347 { |
|
348 unsigned char *p,*pp; |
|
349 int size; |
|
350 |
|
351 i=1; |
|
352 size=i2d_RSA_NET(rsa,NULL,NULL, sgckey); |
|
353 if ((p=(unsigned char *)OPENSSL_malloc(size)) == NULL) |
|
354 { |
|
355 BIO_printf(bio_err,"Memory allocation failure\n"); |
|
356 goto end; |
|
357 } |
|
358 pp=p; |
|
359 i2d_RSA_NET(rsa,&p,NULL, sgckey); |
|
360 BIO_write(out,(char *)pp,size); |
|
361 OPENSSL_free(pp); |
|
362 } |
|
363 #endif |
|
364 else if (outformat == FORMAT_PEM) { |
|
365 if(pubout || pubin) |
|
366 i=PEM_write_bio_RSA_PUBKEY(out,rsa); |
|
367 else i=PEM_write_bio_RSAPrivateKey(out,rsa, |
|
368 enc,NULL,0,NULL,passout); |
|
369 } else { |
|
370 BIO_printf(bio_err,"bad output format specified for outfile\n"); |
|
371 goto end; |
|
372 } |
|
373 if (!i) |
|
374 { |
|
375 BIO_printf(bio_err,"unable to write key\n"); |
|
376 ERR_print_errors(bio_err); |
|
377 } |
|
378 else |
|
379 ret=0; |
|
380 end: |
|
381 if(out != NULL) BIO_free_all(out); |
|
382 if(rsa != NULL) RSA_free(rsa); |
|
383 if(passin) OPENSSL_free(passin); |
|
384 if(passout) OPENSSL_free(passout); |
|
385 apps_shutdown(); |
|
386 OPENSSL_EXIT(ret); |
|
387 } |
|
388 #else /* !OPENSSL_NO_RSA */ |
|
389 |
|
390 # if PEDANTIC |
|
391 static void *dummy=&dummy; |
|
392 # endif |
|
393 |
|
394 #endif |