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