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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 | ||
cf1b7d96 | 59 | #ifndef OPENSSL_NO_RSA |
d02b48c6 RE |
60 | #include <stdio.h> |
61 | #include <stdlib.h> | |
62 | #include <string.h> | |
63 | #include <time.h> | |
64 | #include "apps.h" | |
ec577822 BM |
65 | #include <openssl/bio.h> |
66 | #include <openssl/err.h> | |
67 | #include <openssl/rsa.h> | |
68 | #include <openssl/evp.h> | |
69 | #include <openssl/x509.h> | |
70 | #include <openssl/pem.h> | |
f0eae953 | 71 | #include <openssl/bn.h> |
d02b48c6 RE |
72 | |
73 | #undef PROG | |
74 | #define PROG rsa_main | |
75 | ||
76 | /* -inform arg - input format - default PEM (one of DER, NET or PEM) | |
77 | * -outform arg - output format - default PEM | |
78 | * -in arg - input file - default stdin | |
79 | * -out arg - output file - default stdout | |
80 | * -des - encrypt output if PEM format with DES in cbc mode | |
81 | * -des3 - encrypt output if PEM format | |
82 | * -idea - encrypt output if PEM format | |
b3dfaaa1 RL |
83 | * -aes128 - encrypt output if PEM format |
84 | * -aes192 - encrypt output if PEM format | |
85 | * -aes256 - encrypt output if PEM format | |
d02b48c6 RE |
86 | * -text - print a text version |
87 | * -modulus - print the RSA key modulus | |
03cd4944 | 88 | * -check - verify key consistency |
3ea23631 DSH |
89 | * -pubin - Expect a public key in input file. |
90 | * -pubout - Output a public key. | |
d02b48c6 RE |
91 | */ |
92 | ||
667ac4ec RE |
93 | int MAIN(int, char **); |
94 | ||
6b691a5c | 95 | int MAIN(int argc, char **argv) |
d02b48c6 | 96 | { |
5270e702 | 97 | ENGINE *e = NULL; |
d02b48c6 RE |
98 | int ret=1; |
99 | RSA *rsa=NULL; | |
d3ed8ceb | 100 | int i,badops=0, sgckey=0; |
e778802f | 101 | const EVP_CIPHER *enc=NULL; |
80bb905d | 102 | BIO *out=NULL; |
03cd4944 | 103 | int informat,outformat,text=0,check=0,noout=0; |
3ea23631 | 104 | int pubin = 0, pubout = 0; |
d02b48c6 | 105 | char *infile,*outfile,*prog; |
a3fe382e | 106 | char *passargin = NULL, *passargout = NULL; |
af29811e | 107 | char *passin = NULL, *passout = NULL; |
0b13e9f0 | 108 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 109 | char *engine=NULL; |
0b13e9f0 | 110 | #endif |
d02b48c6 RE |
111 | int modulus=0; |
112 | ||
113 | apps_startup(); | |
114 | ||
115 | if (bio_err == NULL) | |
116 | if ((bio_err=BIO_new(BIO_s_file())) != NULL) | |
58964a49 | 117 | BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); |
d02b48c6 | 118 | |
3647bee2 DSH |
119 | if (!load_config(bio_err, NULL)) |
120 | goto end; | |
121 | ||
d02b48c6 RE |
122 | infile=NULL; |
123 | outfile=NULL; | |
124 | informat=FORMAT_PEM; | |
125 | outformat=FORMAT_PEM; | |
126 | ||
127 | prog=argv[0]; | |
128 | argc--; | |
129 | argv++; | |
130 | while (argc >= 1) | |
131 | { | |
132 | if (strcmp(*argv,"-inform") == 0) | |
133 | { | |
134 | if (--argc < 1) goto bad; | |
135 | informat=str2fmt(*(++argv)); | |
136 | } | |
137 | else if (strcmp(*argv,"-outform") == 0) | |
138 | { | |
139 | if (--argc < 1) goto bad; | |
140 | outformat=str2fmt(*(++argv)); | |
141 | } | |
142 | else if (strcmp(*argv,"-in") == 0) | |
143 | { | |
144 | if (--argc < 1) goto bad; | |
145 | infile= *(++argv); | |
146 | } | |
147 | else if (strcmp(*argv,"-out") == 0) | |
148 | { | |
149 | if (--argc < 1) goto bad; | |
150 | outfile= *(++argv); | |
151 | } | |
af29811e DSH |
152 | else if (strcmp(*argv,"-passin") == 0) |
153 | { | |
154 | if (--argc < 1) goto bad; | |
a3fe382e | 155 | passargin= *(++argv); |
af29811e DSH |
156 | } |
157 | else if (strcmp(*argv,"-passout") == 0) | |
158 | { | |
159 | if (--argc < 1) goto bad; | |
a3fe382e | 160 | passargout= *(++argv); |
af29811e | 161 | } |
0b13e9f0 | 162 | #ifndef OPENSSL_NO_ENGINE |
5270e702 RL |
163 | else if (strcmp(*argv,"-engine") == 0) |
164 | { | |
165 | if (--argc < 1) goto bad; | |
166 | engine= *(++argv); | |
167 | } | |
0b13e9f0 | 168 | #endif |
d3ed8ceb DSH |
169 | else if (strcmp(*argv,"-sgckey") == 0) |
170 | sgckey=1; | |
3ea23631 DSH |
171 | else if (strcmp(*argv,"-pubin") == 0) |
172 | pubin=1; | |
173 | else if (strcmp(*argv,"-pubout") == 0) | |
174 | pubout=1; | |
d02b48c6 RE |
175 | else if (strcmp(*argv,"-noout") == 0) |
176 | noout=1; | |
177 | else if (strcmp(*argv,"-text") == 0) | |
178 | text=1; | |
179 | else if (strcmp(*argv,"-modulus") == 0) | |
180 | modulus=1; | |
03cd4944 BM |
181 | else if (strcmp(*argv,"-check") == 0) |
182 | check=1; | |
d02b48c6 RE |
183 | else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL) |
184 | { | |
185 | BIO_printf(bio_err,"unknown option %s\n",*argv); | |
186 | badops=1; | |
187 | break; | |
188 | } | |
189 | argc--; | |
190 | argv++; | |
191 | } | |
192 | ||
193 | if (badops) | |
194 | { | |
195 | bad: | |
196 | BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog); | |
197 | BIO_printf(bio_err,"where options are\n"); | |
af29811e DSH |
198 | BIO_printf(bio_err," -inform arg input format - one of DER NET PEM\n"); |
199 | BIO_printf(bio_err," -outform arg output format - one of DER NET PEM\n"); | |
200 | BIO_printf(bio_err," -in arg input file\n"); | |
d3ed8ceb | 201 | BIO_printf(bio_err," -sgckey Use IIS SGC key format\n"); |
a3fe382e | 202 | BIO_printf(bio_err," -passin arg input file pass phrase source\n"); |
af29811e | 203 | BIO_printf(bio_err," -out arg output file\n"); |
a3fe382e | 204 | BIO_printf(bio_err," -passout arg output file pass phrase source\n"); |
af29811e DSH |
205 | BIO_printf(bio_err," -des encrypt PEM output with cbc des\n"); |
206 | BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n"); | |
cf1b7d96 | 207 | #ifndef OPENSSL_NO_IDEA |
af29811e | 208 | BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n"); |
b3dfaaa1 RL |
209 | #endif |
210 | #ifndef OPENSSL_NO_AES | |
211 | BIO_printf(bio_err," -aes128, -aes192, -aes256\n"); | |
212 | BIO_printf(bio_err," encrypt PEM output with cbc aes\n"); | |
d02b48c6 | 213 | #endif |
af29811e DSH |
214 | BIO_printf(bio_err," -text print the key in text\n"); |
215 | BIO_printf(bio_err," -noout don't print key out\n"); | |
216 | BIO_printf(bio_err," -modulus print the RSA key modulus\n"); | |
217 | BIO_printf(bio_err," -check verify key consistency\n"); | |
218 | BIO_printf(bio_err," -pubin expect a public key in input file\n"); | |
219 | BIO_printf(bio_err," -pubout output a public key\n"); | |
0b13e9f0 | 220 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 221 | BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); |
0b13e9f0 | 222 | #endif |
d02b48c6 RE |
223 | goto end; |
224 | } | |
225 | ||
226 | ERR_load_crypto_strings(); | |
227 | ||
0b13e9f0 | 228 | #ifndef OPENSSL_NO_ENGINE |
531d630b | 229 | e = setup_engine(bio_err, engine, 0); |
0b13e9f0 | 230 | #endif |
5270e702 | 231 | |
a3fe382e DSH |
232 | if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { |
233 | BIO_printf(bio_err, "Error getting passwords\n"); | |
234 | goto end; | |
235 | } | |
236 | ||
52664f50 DSH |
237 | if(check && pubin) { |
238 | BIO_printf(bio_err, "Only private keys can be checked\n"); | |
239 | goto end; | |
240 | } | |
241 | ||
d02b48c6 | 242 | out=BIO_new(BIO_s_file()); |
d02b48c6 | 243 | |
80bb905d RL |
244 | { |
245 | EVP_PKEY *pkey; | |
d02b48c6 | 246 | |
80bb905d RL |
247 | if (pubin) |
248 | pkey = load_pubkey(bio_err, infile, | |
249 | (informat == FORMAT_NETSCAPE && sgckey ? | |
da9b9724 | 250 | FORMAT_IISSGC : informat), 1, |
80bb905d RL |
251 | passin, e, "Public Key"); |
252 | else | |
253 | pkey = load_key(bio_err, infile, | |
254 | (informat == FORMAT_NETSCAPE && sgckey ? | |
da9b9724 | 255 | FORMAT_IISSGC : informat), 1, |
80bb905d | 256 | passin, e, "Private Key"); |
d02b48c6 | 257 | |
80bb905d RL |
258 | if (pkey != NULL) |
259 | rsa = pkey == NULL ? NULL : EVP_PKEY_get1_RSA(pkey); | |
260 | EVP_PKEY_free(pkey); | |
3ea23631 | 261 | } |
80bb905d | 262 | |
d02b48c6 RE |
263 | if (rsa == NULL) |
264 | { | |
d02b48c6 RE |
265 | ERR_print_errors(bio_err); |
266 | goto end; | |
267 | } | |
268 | ||
269 | if (outfile == NULL) | |
645749ef | 270 | { |
d02b48c6 | 271 | BIO_set_fp(out,stdout,BIO_NOCLOSE); |
bc36ee62 | 272 | #ifdef OPENSSL_SYS_VMS |
645749ef RL |
273 | { |
274 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
275 | out = BIO_push(tmpbio, out); | |
276 | } | |
277 | #endif | |
278 | } | |
d02b48c6 RE |
279 | else |
280 | { | |
281 | if (BIO_write_filename(out,outfile) <= 0) | |
282 | { | |
283 | perror(outfile); | |
284 | goto end; | |
285 | } | |
286 | } | |
287 | ||
288 | if (text) | |
289 | if (!RSA_print(out,rsa,0)) | |
290 | { | |
291 | perror(outfile); | |
292 | ERR_print_errors(bio_err); | |
293 | goto end; | |
294 | } | |
295 | ||
296 | if (modulus) | |
297 | { | |
52664f50 | 298 | BIO_printf(out,"Modulus="); |
d02b48c6 | 299 | BN_print(out,rsa->n); |
52664f50 | 300 | BIO_printf(out,"\n"); |
d02b48c6 RE |
301 | } |
302 | ||
03cd4944 | 303 | if (check) |
3a55fc1a BM |
304 | { |
305 | int r = RSA_check_key(rsa); | |
306 | ||
307 | if (r == 1) | |
03cd4944 | 308 | BIO_printf(out,"RSA key ok\n"); |
3a55fc1a | 309 | else if (r == 0) |
03cd4944 | 310 | { |
5270e702 | 311 | long err; |
03cd4944 | 312 | |
5270e702 RL |
313 | while ((err = ERR_peek_error()) != 0 && |
314 | ERR_GET_LIB(err) == ERR_LIB_RSA && | |
315 | ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY && | |
316 | ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) | |
03cd4944 | 317 | { |
5270e702 | 318 | BIO_printf(out, "RSA key error: %s\n", ERR_reason_error_string(err)); |
03cd4944 BM |
319 | ERR_get_error(); /* remove e from error stack */ |
320 | } | |
03cd4944 | 321 | } |
3a55fc1a BM |
322 | |
323 | if (r == -1 || ERR_peek_error() != 0) /* should happen only if r == -1 */ | |
324 | { | |
325 | ERR_print_errors(bio_err); | |
326 | goto end; | |
327 | } | |
328 | } | |
329 | ||
2cfa6921 BM |
330 | if (noout) |
331 | { | |
332 | ret = 0; | |
333 | goto end; | |
334 | } | |
3ea23631 DSH |
335 | BIO_printf(bio_err,"writing RSA key\n"); |
336 | if (outformat == FORMAT_ASN1) { | |
52664f50 | 337 | if(pubout || pubin) i=i2d_RSA_PUBKEY_bio(out,rsa); |
3ea23631 DSH |
338 | else i=i2d_RSAPrivateKey_bio(out,rsa); |
339 | } | |
cf1b7d96 | 340 | #ifndef OPENSSL_NO_RC4 |
d02b48c6 RE |
341 | else if (outformat == FORMAT_NETSCAPE) |
342 | { | |
343 | unsigned char *p,*pp; | |
344 | int size; | |
345 | ||
346 | i=1; | |
d3ed8ceb | 347 | size=i2d_RSA_NET(rsa,NULL,NULL, sgckey); |
26a3a48d | 348 | if ((p=(unsigned char *)OPENSSL_malloc(size)) == NULL) |
d02b48c6 | 349 | { |
26a3a48d | 350 | BIO_printf(bio_err,"Memory allocation failure\n"); |
d02b48c6 RE |
351 | goto end; |
352 | } | |
353 | pp=p; | |
d3ed8ceb | 354 | i2d_RSA_NET(rsa,&p,NULL, sgckey); |
d02b48c6 | 355 | BIO_write(out,(char *)pp,size); |
26a3a48d | 356 | OPENSSL_free(pp); |
d02b48c6 RE |
357 | } |
358 | #endif | |
3ea23631 DSH |
359 | else if (outformat == FORMAT_PEM) { |
360 | if(pubout || pubin) | |
52664f50 | 361 | i=PEM_write_bio_RSA_PUBKEY(out,rsa); |
36217a94 | 362 | else i=PEM_write_bio_RSAPrivateKey(out,rsa, |
a3fe382e | 363 | enc,NULL,0,NULL,passout); |
3ea23631 | 364 | } else { |
d02b48c6 RE |
365 | BIO_printf(bio_err,"bad output format specified for outfile\n"); |
366 | goto end; | |
367 | } | |
368 | if (!i) | |
369 | { | |
3ea23631 | 370 | BIO_printf(bio_err,"unable to write key\n"); |
d02b48c6 RE |
371 | ERR_print_errors(bio_err); |
372 | } | |
373 | else | |
374 | ret=0; | |
375 | end: | |
645749ef | 376 | if(out != NULL) BIO_free_all(out); |
a3fe382e | 377 | if(rsa != NULL) RSA_free(rsa); |
26a3a48d RL |
378 | if(passin) OPENSSL_free(passin); |
379 | if(passout) OPENSSL_free(passout); | |
c04f8cf4 | 380 | apps_shutdown(); |
1c3e4a36 | 381 | OPENSSL_EXIT(ret); |
d02b48c6 | 382 | } |
cf1b7d96 | 383 | #else /* !OPENSSL_NO_RSA */ |
752d706a BL |
384 | |
385 | # if PEDANTIC | |
386 | static void *dummy=&dummy; | |
387 | # endif | |
388 | ||
f5d7a031 | 389 | #endif |