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d02b48c6 | 1 | /* apps/rsa.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 | ||
4913b88f | 59 | #include <openssl/opensslconf.h> |
cf1b7d96 | 60 | #ifndef OPENSSL_NO_RSA |
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/rsa.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 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 | |
c3cc4662 | 84 | * -seed - encrypt output if PEM format |
b3dfaaa1 RL |
85 | * -aes128 - encrypt output if PEM format |
86 | * -aes192 - encrypt output if PEM format | |
87 | * -aes256 - encrypt output if PEM format | |
e18eef3d BM |
88 | * -camellia128 - encrypt output if PEM format |
89 | * -camellia192 - encrypt output if PEM format | |
90 | * -camellia256 - encrypt output if PEM format | |
d02b48c6 RE |
91 | * -text - print a text version |
92 | * -modulus - print the RSA key modulus | |
03cd4944 | 93 | * -check - verify key consistency |
3ea23631 DSH |
94 | * -pubin - Expect a public key in input file. |
95 | * -pubout - Output a public key. | |
d02b48c6 RE |
96 | */ |
97 | ||
667ac4ec RE |
98 | int MAIN(int, char **); |
99 | ||
6b691a5c | 100 | int MAIN(int argc, char **argv) |
d02b48c6 | 101 | { |
5270e702 | 102 | ENGINE *e = NULL; |
d02b48c6 RE |
103 | int ret=1; |
104 | RSA *rsa=NULL; | |
d3ed8ceb | 105 | int i,badops=0, sgckey=0; |
e778802f | 106 | const EVP_CIPHER *enc=NULL; |
80bb905d | 107 | BIO *out=NULL; |
03cd4944 | 108 | int informat,outformat,text=0,check=0,noout=0; |
3ea23631 | 109 | int pubin = 0, pubout = 0; |
d02b48c6 | 110 | char *infile,*outfile,*prog; |
a3fe382e | 111 | char *passargin = NULL, *passargout = NULL; |
af29811e | 112 | char *passin = NULL, *passout = NULL; |
0b13e9f0 | 113 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 114 | char *engine=NULL; |
0b13e9f0 | 115 | #endif |
d02b48c6 RE |
116 | int modulus=0; |
117 | ||
118 | apps_startup(); | |
119 | ||
120 | if (bio_err == NULL) | |
121 | if ((bio_err=BIO_new(BIO_s_file())) != NULL) | |
58964a49 | 122 | BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); |
d02b48c6 | 123 | |
3647bee2 DSH |
124 | if (!load_config(bio_err, NULL)) |
125 | goto end; | |
126 | ||
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 |
d3ed8ceb DSH |
174 | else if (strcmp(*argv,"-sgckey") == 0) |
175 | sgckey=1; | |
3ea23631 DSH |
176 | else if (strcmp(*argv,"-pubin") == 0) |
177 | pubin=1; | |
178 | else if (strcmp(*argv,"-pubout") == 0) | |
179 | pubout=1; | |
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; | |
03cd4944 BM |
186 | else if (strcmp(*argv,"-check") == 0) |
187 | check=1; | |
d02b48c6 RE |
188 | else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL) |
189 | { | |
190 | BIO_printf(bio_err,"unknown option %s\n",*argv); | |
191 | badops=1; | |
192 | break; | |
193 | } | |
194 | argc--; | |
195 | argv++; | |
196 | } | |
197 | ||
198 | if (badops) | |
199 | { | |
200 | bad: | |
201 | BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog); | |
202 | BIO_printf(bio_err,"where options are\n"); | |
af29811e DSH |
203 | BIO_printf(bio_err," -inform arg input format - one of DER NET PEM\n"); |
204 | BIO_printf(bio_err," -outform arg output format - one of DER NET PEM\n"); | |
205 | BIO_printf(bio_err," -in arg input file\n"); | |
d3ed8ceb | 206 | BIO_printf(bio_err," -sgckey Use IIS SGC key format\n"); |
a3fe382e | 207 | BIO_printf(bio_err," -passin arg input file pass phrase source\n"); |
af29811e | 208 | BIO_printf(bio_err," -out arg output file\n"); |
a3fe382e | 209 | BIO_printf(bio_err," -passout arg output file pass phrase source\n"); |
af29811e DSH |
210 | BIO_printf(bio_err," -des encrypt PEM output with cbc des\n"); |
211 | BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n"); | |
cf1b7d96 | 212 | #ifndef OPENSSL_NO_IDEA |
af29811e | 213 | BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n"); |
b3dfaaa1 | 214 | #endif |
c3cc4662 BM |
215 | #ifndef OPENSSL_NO_SEED |
216 | BIO_printf(bio_err," -seed encrypt PEM output with cbc seed\n"); | |
217 | #endif | |
b3dfaaa1 RL |
218 | #ifndef OPENSSL_NO_AES |
219 | BIO_printf(bio_err," -aes128, -aes192, -aes256\n"); | |
220 | BIO_printf(bio_err," encrypt PEM output with cbc aes\n"); | |
e18eef3d BM |
221 | #endif |
222 | #ifndef OPENSSL_NO_CAMELLIA | |
223 | BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n"); | |
224 | BIO_printf(bio_err," encrypt PEM output with cbc camellia\n"); | |
d02b48c6 | 225 | #endif |
af29811e DSH |
226 | BIO_printf(bio_err," -text print the key in text\n"); |
227 | BIO_printf(bio_err," -noout don't print key out\n"); | |
228 | BIO_printf(bio_err," -modulus print the RSA key modulus\n"); | |
229 | BIO_printf(bio_err," -check verify key consistency\n"); | |
230 | BIO_printf(bio_err," -pubin expect a public key in input file\n"); | |
231 | BIO_printf(bio_err," -pubout output a public key\n"); | |
0b13e9f0 | 232 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 233 | BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); |
0b13e9f0 | 234 | #endif |
d02b48c6 RE |
235 | goto end; |
236 | } | |
237 | ||
238 | ERR_load_crypto_strings(); | |
239 | ||
0b13e9f0 | 240 | #ifndef OPENSSL_NO_ENGINE |
531d630b | 241 | e = setup_engine(bio_err, engine, 0); |
0b13e9f0 | 242 | #endif |
5270e702 | 243 | |
a3fe382e DSH |
244 | if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { |
245 | BIO_printf(bio_err, "Error getting passwords\n"); | |
246 | goto end; | |
247 | } | |
248 | ||
52664f50 DSH |
249 | if(check && pubin) { |
250 | BIO_printf(bio_err, "Only private keys can be checked\n"); | |
251 | goto end; | |
252 | } | |
253 | ||
d02b48c6 | 254 | out=BIO_new(BIO_s_file()); |
d02b48c6 | 255 | |
80bb905d RL |
256 | { |
257 | EVP_PKEY *pkey; | |
d02b48c6 | 258 | |
80bb905d RL |
259 | if (pubin) |
260 | pkey = load_pubkey(bio_err, infile, | |
261 | (informat == FORMAT_NETSCAPE && sgckey ? | |
da9b9724 | 262 | FORMAT_IISSGC : informat), 1, |
80bb905d RL |
263 | passin, e, "Public Key"); |
264 | else | |
265 | pkey = load_key(bio_err, infile, | |
266 | (informat == FORMAT_NETSCAPE && sgckey ? | |
da9b9724 | 267 | FORMAT_IISSGC : informat), 1, |
80bb905d | 268 | passin, e, "Private Key"); |
d02b48c6 | 269 | |
80bb905d RL |
270 | if (pkey != NULL) |
271 | rsa = pkey == NULL ? NULL : EVP_PKEY_get1_RSA(pkey); | |
272 | EVP_PKEY_free(pkey); | |
3ea23631 | 273 | } |
80bb905d | 274 | |
d02b48c6 RE |
275 | if (rsa == NULL) |
276 | { | |
d02b48c6 RE |
277 | ERR_print_errors(bio_err); |
278 | goto end; | |
279 | } | |
280 | ||
281 | if (outfile == NULL) | |
645749ef | 282 | { |
d02b48c6 | 283 | BIO_set_fp(out,stdout,BIO_NOCLOSE); |
bc36ee62 | 284 | #ifdef OPENSSL_SYS_VMS |
645749ef RL |
285 | { |
286 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
287 | out = BIO_push(tmpbio, out); | |
288 | } | |
289 | #endif | |
290 | } | |
d02b48c6 RE |
291 | else |
292 | { | |
293 | if (BIO_write_filename(out,outfile) <= 0) | |
294 | { | |
295 | perror(outfile); | |
296 | goto end; | |
297 | } | |
298 | } | |
299 | ||
300 | if (text) | |
301 | if (!RSA_print(out,rsa,0)) | |
302 | { | |
303 | perror(outfile); | |
304 | ERR_print_errors(bio_err); | |
305 | goto end; | |
306 | } | |
307 | ||
308 | if (modulus) | |
309 | { | |
52664f50 | 310 | BIO_printf(out,"Modulus="); |
d02b48c6 | 311 | BN_print(out,rsa->n); |
52664f50 | 312 | BIO_printf(out,"\n"); |
d02b48c6 RE |
313 | } |
314 | ||
03cd4944 | 315 | if (check) |
3a55fc1a BM |
316 | { |
317 | int r = RSA_check_key(rsa); | |
318 | ||
319 | if (r == 1) | |
03cd4944 | 320 | BIO_printf(out,"RSA key ok\n"); |
3a55fc1a | 321 | else if (r == 0) |
03cd4944 | 322 | { |
7d727231 | 323 | unsigned long err; |
03cd4944 | 324 | |
5270e702 RL |
325 | while ((err = ERR_peek_error()) != 0 && |
326 | ERR_GET_LIB(err) == ERR_LIB_RSA && | |
327 | ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY && | |
328 | ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) | |
03cd4944 | 329 | { |
5270e702 | 330 | BIO_printf(out, "RSA key error: %s\n", ERR_reason_error_string(err)); |
03cd4944 BM |
331 | ERR_get_error(); /* remove e from error stack */ |
332 | } | |
03cd4944 | 333 | } |
3a55fc1a BM |
334 | |
335 | if (r == -1 || ERR_peek_error() != 0) /* should happen only if r == -1 */ | |
336 | { | |
337 | ERR_print_errors(bio_err); | |
338 | goto end; | |
339 | } | |
340 | } | |
341 | ||
2cfa6921 BM |
342 | if (noout) |
343 | { | |
344 | ret = 0; | |
345 | goto end; | |
346 | } | |
3ea23631 DSH |
347 | BIO_printf(bio_err,"writing RSA key\n"); |
348 | if (outformat == FORMAT_ASN1) { | |
52664f50 | 349 | if(pubout || pubin) i=i2d_RSA_PUBKEY_bio(out,rsa); |
3ea23631 DSH |
350 | else i=i2d_RSAPrivateKey_bio(out,rsa); |
351 | } | |
cf1b7d96 | 352 | #ifndef OPENSSL_NO_RC4 |
d02b48c6 RE |
353 | else if (outformat == FORMAT_NETSCAPE) |
354 | { | |
355 | unsigned char *p,*pp; | |
356 | int size; | |
357 | ||
358 | i=1; | |
d3ed8ceb | 359 | size=i2d_RSA_NET(rsa,NULL,NULL, sgckey); |
26a3a48d | 360 | if ((p=(unsigned char *)OPENSSL_malloc(size)) == NULL) |
d02b48c6 | 361 | { |
26a3a48d | 362 | BIO_printf(bio_err,"Memory allocation failure\n"); |
d02b48c6 RE |
363 | goto end; |
364 | } | |
365 | pp=p; | |
d3ed8ceb | 366 | i2d_RSA_NET(rsa,&p,NULL, sgckey); |
d02b48c6 | 367 | BIO_write(out,(char *)pp,size); |
26a3a48d | 368 | OPENSSL_free(pp); |
d02b48c6 RE |
369 | } |
370 | #endif | |
3ea23631 DSH |
371 | else if (outformat == FORMAT_PEM) { |
372 | if(pubout || pubin) | |
52664f50 | 373 | i=PEM_write_bio_RSA_PUBKEY(out,rsa); |
36217a94 | 374 | else i=PEM_write_bio_RSAPrivateKey(out,rsa, |
a3fe382e | 375 | enc,NULL,0,NULL,passout); |
3ea23631 | 376 | } else { |
d02b48c6 RE |
377 | BIO_printf(bio_err,"bad output format specified for outfile\n"); |
378 | goto end; | |
379 | } | |
380 | if (!i) | |
381 | { | |
3ea23631 | 382 | BIO_printf(bio_err,"unable to write key\n"); |
d02b48c6 RE |
383 | ERR_print_errors(bio_err); |
384 | } | |
385 | else | |
386 | ret=0; | |
387 | end: | |
645749ef | 388 | if(out != NULL) BIO_free_all(out); |
a3fe382e | 389 | if(rsa != NULL) RSA_free(rsa); |
26a3a48d RL |
390 | if(passin) OPENSSL_free(passin); |
391 | if(passout) OPENSSL_free(passout); | |
c04f8cf4 | 392 | apps_shutdown(); |
1c3e4a36 | 393 | OPENSSL_EXIT(ret); |
d02b48c6 | 394 | } |
cf1b7d96 | 395 | #else /* !OPENSSL_NO_RSA */ |
752d706a BL |
396 | |
397 | # if PEDANTIC | |
398 | static void *dummy=&dummy; | |
399 | # endif | |
400 | ||
f5d7a031 | 401 | #endif |