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0f113f3e MC |
1 | /* |
2 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project | |
3 | * 2000. | |
bd08a2bd DSH |
4 | */ |
5 | /* ==================================================================== | |
6 | * Copyright (c) 2000 The OpenSSL Project. All rights reserved. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 13 | * notice, this list of conditions and the following disclaimer. |
bd08a2bd DSH |
14 | * |
15 | * 2. Redistributions in binary form must reproduce the above copyright | |
16 | * notice, this list of conditions and the following disclaimer in | |
17 | * the documentation and/or other materials provided with the | |
18 | * distribution. | |
19 | * | |
20 | * 3. All advertising materials mentioning features or use of this | |
21 | * software must display the following acknowledgment: | |
22 | * "This product includes software developed by the OpenSSL Project | |
23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
24 | * | |
25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
26 | * endorse or promote products derived from this software without | |
27 | * prior written permission. For written permission, please contact | |
28 | * licensing@OpenSSL.org. | |
29 | * | |
30 | * 5. Products derived from this software may not be called "OpenSSL" | |
31 | * nor may "OpenSSL" appear in their names without prior written | |
32 | * permission of the OpenSSL Project. | |
33 | * | |
34 | * 6. Redistributions of any form whatsoever must retain the following | |
35 | * acknowledgment: | |
36 | * "This product includes software developed by the OpenSSL Project | |
37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
38 | * | |
39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
51 | * ==================================================================== | |
52 | * | |
53 | * This product includes cryptographic software written by Eric Young | |
54 | * (eay@cryptsoft.com). This product includes software written by Tim | |
55 | * Hudson (tjh@cryptsoft.com). | |
56 | * | |
57 | */ | |
28967cf0 | 58 | |
3eeaab4b | 59 | #include <openssl/opensslconf.h> |
effaf4de RS |
60 | #ifdef OPENSSL_NO_RSA |
61 | NON_EMPTY_TRANSLATION_UNIT | |
62 | #else | |
28967cf0 | 63 | |
0f113f3e MC |
64 | # include "apps.h" |
65 | # include <string.h> | |
66 | # include <openssl/err.h> | |
67 | # include <openssl/pem.h> | |
68 | # include <openssl/rsa.h> | |
bd08a2bd | 69 | |
0f113f3e MC |
70 | # define RSA_SIGN 1 |
71 | # define RSA_VERIFY 2 | |
72 | # define RSA_ENCRYPT 3 | |
73 | # define RSA_DECRYPT 4 | |
bd08a2bd | 74 | |
0f113f3e MC |
75 | # define KEY_PRIVKEY 1 |
76 | # define KEY_PUBKEY 2 | |
77 | # define KEY_CERT 3 | |
bd08a2bd | 78 | |
7e1b7485 RS |
79 | typedef enum OPTION_choice { |
80 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
81 | OPT_ENGINE, OPT_IN, OPT_OUT, OPT_ASN1PARSE, OPT_HEXDUMP, | |
82 | OPT_RAW, OPT_OAEP, OPT_SSL, OPT_PKCS, OPT_X931, | |
83 | OPT_SIGN, OPT_VERIFY, OPT_REV, OPT_ENCRYPT, OPT_DECRYPT, | |
84 | OPT_PUBIN, OPT_CERTIN, OPT_INKEY, OPT_PASSIN, OPT_KEYFORM | |
85 | } OPTION_CHOICE; | |
86 | ||
87 | OPTIONS rsautl_options[] = { | |
88 | {"help", OPT_HELP, '-', "Display this summary"}, | |
89 | {"in", OPT_IN, '<', "Input file"}, | |
90 | {"out", OPT_OUT, '>', "Output file"}, | |
dd958974 | 91 | {"inkey", OPT_INKEY, 's', "Input key"}, |
0c20802c | 92 | {"keyform", OPT_KEYFORM, 'E', "Private key format - default PEM"}, |
7e1b7485 RS |
93 | {"pubin", OPT_PUBIN, '-', "Input is an RSA public"}, |
94 | {"certin", OPT_CERTIN, '-', "Input is a cert carrying an RSA public key"}, | |
95 | {"ssl", OPT_SSL, '-', "Use SSL v2 padding"}, | |
96 | {"raw", OPT_RAW, '-', "Use no padding"}, | |
97 | {"pkcs", OPT_PKCS, '-', "Use PKCS#1 v1.5 padding (default)"}, | |
98 | {"oaep", OPT_OAEP, '-', "Use PKCS#1 OAEP"}, | |
99 | {"sign", OPT_SIGN, '-', "Sign with private key"}, | |
100 | {"verify", OPT_VERIFY, '-', "Verify with public key"}, | |
9a13bb38 RS |
101 | {"asn1parse", OPT_ASN1PARSE, '-', |
102 | "Run output through asn1parse; useful with -verify"}, | |
7e1b7485 RS |
103 | {"hexdump", OPT_HEXDUMP, '-', "Hex dump output"}, |
104 | {"x931", OPT_X931, '-', "Use ANSI X9.31 padding"}, | |
9a13bb38 | 105 | {"rev", OPT_REV, '-', "Reverse the order of the input buffer"}, |
7e1b7485 RS |
106 | {"encrypt", OPT_ENCRYPT, '-', "Encrypt with public key"}, |
107 | {"decrypt", OPT_DECRYPT, '-', "Decrypt with private key"}, | |
108 | {"passin", OPT_PASSIN, 's', "Pass phrase source"}, | |
109 | # ifndef OPENSSL_NO_ENGINE | |
110 | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, | |
111 | # endif | |
112 | {NULL} | |
113 | }; | |
bd08a2bd | 114 | |
7e1b7485 | 115 | int rsautl_main(int argc, char **argv) |
bd08a2bd | 116 | { |
0f113f3e | 117 | BIO *in = NULL, *out = NULL; |
7e1b7485 | 118 | ENGINE *e = NULL; |
0f113f3e MC |
119 | EVP_PKEY *pkey = NULL; |
120 | RSA *rsa = NULL; | |
7e1b7485 | 121 | X509 *x; |
333b070e | 122 | char *infile = NULL, *outfile = NULL, *keyfile = NULL; |
7e1b7485 RS |
123 | char *passinarg = NULL, *passin = NULL, *prog; |
124 | char rsa_mode = RSA_VERIFY, key_type = KEY_PRIVKEY; | |
125 | unsigned char *rsa_in = NULL, *rsa_out = NULL, pad = RSA_PKCS1_PADDING; | |
126 | int rsa_inlen, keyformat = FORMAT_PEM, keysize, ret = 1; | |
127 | int rsa_outlen = 0, hexdump = 0, asn1parse = 0, need_priv = 0, rev = 0; | |
128 | OPTION_CHOICE o; | |
129 | ||
130 | prog = opt_init(argc, argv, rsautl_options); | |
131 | while ((o = opt_next()) != OPT_EOF) { | |
132 | switch (o) { | |
133 | case OPT_EOF: | |
134 | case OPT_ERR: | |
135 | opthelp: | |
136 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
137 | goto end; | |
138 | case OPT_HELP: | |
139 | opt_help(rsautl_options); | |
140 | ret = 0; | |
141 | goto end; | |
142 | case OPT_KEYFORM: | |
0c20802c | 143 | if (!opt_format(opt_arg(), OPT_FMT_PDE, &keyformat)) |
7e1b7485 RS |
144 | goto opthelp; |
145 | break; | |
146 | case OPT_IN: | |
147 | infile = opt_arg(); | |
148 | break; | |
149 | case OPT_OUT: | |
150 | outfile = opt_arg(); | |
151 | break; | |
152 | case OPT_ENGINE: | |
333b070e | 153 | e = setup_engine(opt_arg(), 0); |
7e1b7485 RS |
154 | break; |
155 | case OPT_ASN1PARSE: | |
0f113f3e | 156 | asn1parse = 1; |
7e1b7485 RS |
157 | break; |
158 | case OPT_HEXDUMP: | |
0f113f3e | 159 | hexdump = 1; |
7e1b7485 RS |
160 | break; |
161 | case OPT_RAW: | |
0f113f3e | 162 | pad = RSA_NO_PADDING; |
7e1b7485 RS |
163 | break; |
164 | case OPT_OAEP: | |
0f113f3e | 165 | pad = RSA_PKCS1_OAEP_PADDING; |
7e1b7485 RS |
166 | break; |
167 | case OPT_SSL: | |
0f113f3e | 168 | pad = RSA_SSLV23_PADDING; |
7e1b7485 RS |
169 | break; |
170 | case OPT_PKCS: | |
0f113f3e | 171 | pad = RSA_PKCS1_PADDING; |
7e1b7485 RS |
172 | break; |
173 | case OPT_X931: | |
0f113f3e | 174 | pad = RSA_X931_PADDING; |
7e1b7485 RS |
175 | break; |
176 | case OPT_SIGN: | |
0f113f3e MC |
177 | rsa_mode = RSA_SIGN; |
178 | need_priv = 1; | |
7e1b7485 RS |
179 | break; |
180 | case OPT_VERIFY: | |
0f113f3e | 181 | rsa_mode = RSA_VERIFY; |
7e1b7485 RS |
182 | break; |
183 | case OPT_REV: | |
0f113f3e | 184 | rev = 1; |
7e1b7485 RS |
185 | break; |
186 | case OPT_ENCRYPT: | |
0f113f3e | 187 | rsa_mode = RSA_ENCRYPT; |
7e1b7485 RS |
188 | break; |
189 | case OPT_DECRYPT: | |
0f113f3e MC |
190 | rsa_mode = RSA_DECRYPT; |
191 | need_priv = 1; | |
7e1b7485 RS |
192 | break; |
193 | case OPT_PUBIN: | |
194 | key_type = KEY_PUBKEY; | |
195 | break; | |
196 | case OPT_CERTIN: | |
197 | key_type = KEY_CERT; | |
198 | break; | |
199 | case OPT_INKEY: | |
200 | keyfile = opt_arg(); | |
201 | break; | |
202 | case OPT_PASSIN: | |
203 | passinarg = opt_arg(); | |
204 | break; | |
0f113f3e | 205 | } |
0f113f3e | 206 | } |
7e1b7485 | 207 | argc = opt_num_rest(); |
03358517 KR |
208 | if (argc != 0) |
209 | goto opthelp; | |
0f113f3e MC |
210 | |
211 | if (need_priv && (key_type != KEY_PRIVKEY)) { | |
212 | BIO_printf(bio_err, "A private key is needed for this operation\n"); | |
213 | goto end; | |
214 | } | |
333b070e | 215 | |
7e1b7485 | 216 | if (!app_passwd(passinarg, NULL, &passin, NULL)) { |
0f113f3e MC |
217 | BIO_printf(bio_err, "Error getting password\n"); |
218 | goto end; | |
219 | } | |
32d862ed | 220 | |
2b40660e | 221 | /* FIXME: seed PRNG only if needed */ |
7e1b7485 | 222 | app_RAND_load_file(NULL, 0); |
0f113f3e MC |
223 | |
224 | switch (key_type) { | |
225 | case KEY_PRIVKEY: | |
7e1b7485 | 226 | pkey = load_key(keyfile, keyformat, 0, passin, e, "Private Key"); |
0f113f3e MC |
227 | break; |
228 | ||
229 | case KEY_PUBKEY: | |
7e1b7485 | 230 | pkey = load_pubkey(keyfile, keyformat, 0, NULL, e, "Public Key"); |
0f113f3e MC |
231 | break; |
232 | ||
233 | case KEY_CERT: | |
7e1b7485 | 234 | x = load_cert(keyfile, keyformat, NULL, e, "Certificate"); |
0f113f3e MC |
235 | if (x) { |
236 | pkey = X509_get_pubkey(x); | |
237 | X509_free(x); | |
238 | } | |
239 | break; | |
240 | } | |
241 | ||
242 | if (!pkey) { | |
243 | return 1; | |
244 | } | |
245 | ||
246 | rsa = EVP_PKEY_get1_RSA(pkey); | |
247 | EVP_PKEY_free(pkey); | |
248 | ||
249 | if (!rsa) { | |
250 | BIO_printf(bio_err, "Error getting RSA key\n"); | |
251 | ERR_print_errors(bio_err); | |
252 | goto end; | |
253 | } | |
254 | ||
bdd58d98 | 255 | in = bio_open_default(infile, 'r', FORMAT_BINARY); |
7e1b7485 RS |
256 | if (in == NULL) |
257 | goto end; | |
bdd58d98 | 258 | out = bio_open_default(outfile, 'w', FORMAT_BINARY); |
7e1b7485 RS |
259 | if (out == NULL) |
260 | goto end; | |
0f113f3e MC |
261 | |
262 | keysize = RSA_size(rsa); | |
263 | ||
68dc6824 RS |
264 | rsa_in = app_malloc(keysize * 2, "hold rsa key"); |
265 | rsa_out = app_malloc(keysize, "output rsa key"); | |
0f113f3e MC |
266 | |
267 | /* Read the input data */ | |
268 | rsa_inlen = BIO_read(in, rsa_in, keysize * 2); | |
0c20802c | 269 | if (rsa_inlen < 0) { |
0f113f3e | 270 | BIO_printf(bio_err, "Error reading input Data\n"); |
7e1b7485 | 271 | goto end; |
0f113f3e MC |
272 | } |
273 | if (rev) { | |
274 | int i; | |
275 | unsigned char ctmp; | |
276 | for (i = 0; i < rsa_inlen / 2; i++) { | |
277 | ctmp = rsa_in[i]; | |
278 | rsa_in[i] = rsa_in[rsa_inlen - 1 - i]; | |
279 | rsa_in[rsa_inlen - 1 - i] = ctmp; | |
280 | } | |
281 | } | |
282 | switch (rsa_mode) { | |
283 | ||
284 | case RSA_VERIFY: | |
285 | rsa_outlen = RSA_public_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad); | |
286 | break; | |
287 | ||
288 | case RSA_SIGN: | |
289 | rsa_outlen = | |
290 | RSA_private_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad); | |
291 | break; | |
292 | ||
293 | case RSA_ENCRYPT: | |
294 | rsa_outlen = RSA_public_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad); | |
295 | break; | |
296 | ||
297 | case RSA_DECRYPT: | |
298 | rsa_outlen = | |
299 | RSA_private_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad); | |
300 | break; | |
0f113f3e MC |
301 | } |
302 | ||
0c20802c | 303 | if (rsa_outlen < 0) { |
0f113f3e MC |
304 | BIO_printf(bio_err, "RSA operation error\n"); |
305 | ERR_print_errors(bio_err); | |
306 | goto end; | |
307 | } | |
308 | ret = 0; | |
309 | if (asn1parse) { | |
310 | if (!ASN1_parse_dump(out, rsa_out, rsa_outlen, 1, -1)) { | |
311 | ERR_print_errors(bio_err); | |
312 | } | |
313 | } else if (hexdump) | |
314 | BIO_dump(out, (char *)rsa_out, rsa_outlen); | |
315 | else | |
316 | BIO_write(out, rsa_out, rsa_outlen); | |
317 | end: | |
318 | RSA_free(rsa); | |
319 | BIO_free(in); | |
320 | BIO_free_all(out); | |
b548a1f1 RS |
321 | OPENSSL_free(rsa_in); |
322 | OPENSSL_free(rsa_out); | |
323 | OPENSSL_free(passin); | |
0f113f3e | 324 | return ret; |
bd08a2bd | 325 | } |
28967cf0 | 326 | #endif |