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Diffstat (limited to 'src/usr.bin/openssl/genrsa.c')
-rw-r--r-- | src/usr.bin/openssl/genrsa.c | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/src/usr.bin/openssl/genrsa.c b/src/usr.bin/openssl/genrsa.c new file mode 100644 index 0000000000..7844fb815f --- /dev/null +++ b/src/usr.bin/openssl/genrsa.c | |||
@@ -0,0 +1,286 @@ | |||
1 | /* $OpenBSD: genrsa.c,v 1.1 2014/08/26 17:47:24 jsing Exp $ */ | ||
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 | |||
61 | /* Until the key-gen callbacks are modified to use newer prototypes, we allow | ||
62 | * deprecated functions for openssl-internal code */ | ||
63 | #ifdef OPENSSL_NO_DEPRECATED | ||
64 | #undef OPENSSL_NO_DEPRECATED | ||
65 | #endif | ||
66 | |||
67 | |||
68 | #include <sys/types.h> | ||
69 | #include <sys/stat.h> | ||
70 | |||
71 | #include <stdio.h> | ||
72 | #include <string.h> | ||
73 | |||
74 | #include "apps.h" | ||
75 | |||
76 | #include <openssl/bio.h> | ||
77 | #include <openssl/bn.h> | ||
78 | #include <openssl/err.h> | ||
79 | #include <openssl/evp.h> | ||
80 | #include <openssl/pem.h> | ||
81 | #include <openssl/rand.h> | ||
82 | #include <openssl/rsa.h> | ||
83 | #include <openssl/x509.h> | ||
84 | |||
85 | #define DEFBITS 2048 | ||
86 | |||
87 | static int genrsa_cb(int p, int n, BN_GENCB * cb); | ||
88 | |||
89 | int genrsa_main(int, char **); | ||
90 | |||
91 | int | ||
92 | genrsa_main(int argc, char **argv) | ||
93 | { | ||
94 | BN_GENCB cb; | ||
95 | #ifndef OPENSSL_NO_ENGINE | ||
96 | ENGINE *e = NULL; | ||
97 | #endif | ||
98 | int ret = 1; | ||
99 | int i, num = DEFBITS; | ||
100 | long l; | ||
101 | const EVP_CIPHER *enc = NULL; | ||
102 | unsigned long f4 = RSA_F4; | ||
103 | char *outfile = NULL; | ||
104 | char *passargout = NULL, *passout = NULL; | ||
105 | #ifndef OPENSSL_NO_ENGINE | ||
106 | char *engine = NULL; | ||
107 | #endif | ||
108 | BIO *out = NULL; | ||
109 | BIGNUM *bn = BN_new(); | ||
110 | RSA *rsa = NULL; | ||
111 | |||
112 | if (!bn) | ||
113 | goto err; | ||
114 | |||
115 | BN_GENCB_set(&cb, genrsa_cb, bio_err); | ||
116 | |||
117 | if ((out = BIO_new(BIO_s_file())) == NULL) { | ||
118 | BIO_printf(bio_err, "unable to create BIO for output\n"); | ||
119 | goto err; | ||
120 | } | ||
121 | argv++; | ||
122 | argc--; | ||
123 | for (;;) { | ||
124 | if (argc <= 0) | ||
125 | break; | ||
126 | if (strcmp(*argv, "-out") == 0) { | ||
127 | if (--argc < 1) | ||
128 | goto bad; | ||
129 | outfile = *(++argv); | ||
130 | } else if (strcmp(*argv, "-3") == 0) | ||
131 | f4 = 3; | ||
132 | else if (strcmp(*argv, "-F4") == 0 || strcmp(*argv, "-f4") == 0) | ||
133 | f4 = RSA_F4; | ||
134 | #ifndef OPENSSL_NO_ENGINE | ||
135 | else if (strcmp(*argv, "-engine") == 0) { | ||
136 | if (--argc < 1) | ||
137 | goto bad; | ||
138 | engine = *(++argv); | ||
139 | } | ||
140 | #endif | ||
141 | #ifndef OPENSSL_NO_DES | ||
142 | else if (strcmp(*argv, "-des") == 0) | ||
143 | enc = EVP_des_cbc(); | ||
144 | else if (strcmp(*argv, "-des3") == 0) | ||
145 | enc = EVP_des_ede3_cbc(); | ||
146 | #endif | ||
147 | #ifndef OPENSSL_NO_IDEA | ||
148 | else if (strcmp(*argv, "-idea") == 0) | ||
149 | enc = EVP_idea_cbc(); | ||
150 | #endif | ||
151 | #ifndef OPENSSL_NO_AES | ||
152 | else if (strcmp(*argv, "-aes128") == 0) | ||
153 | enc = EVP_aes_128_cbc(); | ||
154 | else if (strcmp(*argv, "-aes192") == 0) | ||
155 | enc = EVP_aes_192_cbc(); | ||
156 | else if (strcmp(*argv, "-aes256") == 0) | ||
157 | enc = EVP_aes_256_cbc(); | ||
158 | #endif | ||
159 | #ifndef OPENSSL_NO_CAMELLIA | ||
160 | else if (strcmp(*argv, "-camellia128") == 0) | ||
161 | enc = EVP_camellia_128_cbc(); | ||
162 | else if (strcmp(*argv, "-camellia192") == 0) | ||
163 | enc = EVP_camellia_192_cbc(); | ||
164 | else if (strcmp(*argv, "-camellia256") == 0) | ||
165 | enc = EVP_camellia_256_cbc(); | ||
166 | #endif | ||
167 | else if (strcmp(*argv, "-passout") == 0) { | ||
168 | if (--argc < 1) | ||
169 | goto bad; | ||
170 | passargout = *(++argv); | ||
171 | } else | ||
172 | break; | ||
173 | argv++; | ||
174 | argc--; | ||
175 | } | ||
176 | if ((argc >= 1) && ((sscanf(*argv, "%d", &num) == 0) || (num < 0))) { | ||
177 | bad: | ||
178 | BIO_printf(bio_err, "usage: genrsa [args] [numbits]\n"); | ||
179 | BIO_printf(bio_err, " -des encrypt the generated key with DES in cbc mode\n"); | ||
180 | BIO_printf(bio_err, " -des3 encrypt the generated key with DES in ede cbc mode (168 bit key)\n"); | ||
181 | #ifndef OPENSSL_NO_IDEA | ||
182 | BIO_printf(bio_err, " -idea encrypt the generated key with IDEA in cbc mode\n"); | ||
183 | #endif | ||
184 | #ifndef OPENSSL_NO_AES | ||
185 | BIO_printf(bio_err, " -aes128, -aes192, -aes256\n"); | ||
186 | BIO_printf(bio_err, " encrypt PEM output with cbc aes\n"); | ||
187 | #endif | ||
188 | #ifndef OPENSSL_NO_CAMELLIA | ||
189 | BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n"); | ||
190 | BIO_printf(bio_err, " encrypt PEM output with cbc camellia\n"); | ||
191 | #endif | ||
192 | BIO_printf(bio_err, " -out file output the key to 'file\n"); | ||
193 | BIO_printf(bio_err, " -passout arg output file pass phrase source\n"); | ||
194 | BIO_printf(bio_err, " -f4 use F4 (0x10001) for the E value\n"); | ||
195 | BIO_printf(bio_err, " -3 use 3 for the E value\n"); | ||
196 | #ifndef OPENSSL_NO_ENGINE | ||
197 | BIO_printf(bio_err, " -engine e use engine e, possibly a hardware device.\n"); | ||
198 | #endif | ||
199 | goto err; | ||
200 | } | ||
201 | ERR_load_crypto_strings(); | ||
202 | |||
203 | if (!app_passwd(bio_err, NULL, passargout, NULL, &passout)) { | ||
204 | BIO_printf(bio_err, "Error getting password\n"); | ||
205 | goto err; | ||
206 | } | ||
207 | #ifndef OPENSSL_NO_ENGINE | ||
208 | e = setup_engine(bio_err, engine, 0); | ||
209 | #endif | ||
210 | |||
211 | if (outfile == NULL) { | ||
212 | BIO_set_fp(out, stdout, BIO_NOCLOSE); | ||
213 | } else { | ||
214 | if (BIO_write_filename(out, outfile) <= 0) { | ||
215 | perror(outfile); | ||
216 | goto err; | ||
217 | } | ||
218 | } | ||
219 | |||
220 | BIO_printf(bio_err, "Generating RSA private key, %d bit long modulus\n", | ||
221 | num); | ||
222 | #ifdef OPENSSL_NO_ENGINE | ||
223 | rsa = RSA_new(); | ||
224 | #else | ||
225 | rsa = RSA_new_method(e); | ||
226 | #endif | ||
227 | if (!rsa) | ||
228 | goto err; | ||
229 | |||
230 | if (!BN_set_word(bn, f4) || !RSA_generate_key_ex(rsa, num, bn, &cb)) | ||
231 | goto err; | ||
232 | |||
233 | /* | ||
234 | * We need to do the following for when the base number size is < | ||
235 | * long, esp windows 3.1 :-(. | ||
236 | */ | ||
237 | l = 0L; | ||
238 | for (i = 0; i < rsa->e->top; i++) { | ||
239 | #ifndef _LP64 | ||
240 | l <<= BN_BITS4; | ||
241 | l <<= BN_BITS4; | ||
242 | #endif | ||
243 | l += rsa->e->d[i]; | ||
244 | } | ||
245 | BIO_printf(bio_err, "e is %ld (0x%lX)\n", l, l); | ||
246 | { | ||
247 | PW_CB_DATA cb_data; | ||
248 | cb_data.password = passout; | ||
249 | cb_data.prompt_info = outfile; | ||
250 | if (!PEM_write_bio_RSAPrivateKey(out, rsa, enc, NULL, 0, | ||
251 | password_callback, &cb_data)) | ||
252 | goto err; | ||
253 | } | ||
254 | |||
255 | ret = 0; | ||
256 | err: | ||
257 | if (bn) | ||
258 | BN_free(bn); | ||
259 | if (rsa) | ||
260 | RSA_free(rsa); | ||
261 | if (out) | ||
262 | BIO_free_all(out); | ||
263 | free(passout); | ||
264 | if (ret != 0) | ||
265 | ERR_print_errors(bio_err); | ||
266 | |||
267 | return (ret); | ||
268 | } | ||
269 | |||
270 | static int | ||
271 | genrsa_cb(int p, int n, BN_GENCB * cb) | ||
272 | { | ||
273 | char c = '*'; | ||
274 | |||
275 | if (p == 0) | ||
276 | c = '.'; | ||
277 | if (p == 1) | ||
278 | c = '+'; | ||
279 | if (p == 2) | ||
280 | c = '*'; | ||
281 | if (p == 3) | ||
282 | c = '\n'; | ||
283 | BIO_write(cb->arg, &c, 1); | ||
284 | (void) BIO_flush(cb->arg); | ||
285 | return 1; | ||
286 | } | ||