diff options
author | jsing <> | 2014-08-26 17:47:25 +0000 |
---|---|---|
committer | jsing <> | 2014-08-26 17:47:25 +0000 |
commit | f3755acd5513f85ff734de6a822b6f804d3776ce (patch) | |
tree | 1f859a78eae941040f58599de8c0e1e56d61fdad /src/usr.bin/openssl/dh.c | |
parent | 0779b9f30aa9875c290af18a4362799668829707 (diff) | |
download | openbsd-f3755acd5513f85ff734de6a822b6f804d3776ce.tar.gz openbsd-f3755acd5513f85ff734de6a822b6f804d3776ce.tar.bz2 openbsd-f3755acd5513f85ff734de6a822b6f804d3776ce.zip |
Move openssl(1) from /usr/sbin/openssl to /usr/bin/openssl, since it is not
a system/superuser binary. At the same time, move the source code from its
current lib/libssl/src/apps location to a more appropriate home under
usr.bin/openssl.
ok deraadt@ miod@
Diffstat (limited to 'src/usr.bin/openssl/dh.c')
-rw-r--r-- | src/usr.bin/openssl/dh.c | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/src/usr.bin/openssl/dh.c b/src/usr.bin/openssl/dh.c new file mode 100644 index 0000000000..447b4c800f --- /dev/null +++ b/src/usr.bin/openssl/dh.c | |||
@@ -0,0 +1,308 @@ | |||
1 | /* $OpenBSD: dh.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> /* for OPENSSL_NO_DH */ | ||
60 | |||
61 | #ifndef OPENSSL_NO_DH | ||
62 | |||
63 | #include <stdio.h> | ||
64 | #include <stdlib.h> | ||
65 | #include <string.h> | ||
66 | #include <time.h> | ||
67 | |||
68 | #include "apps.h" | ||
69 | |||
70 | #include <openssl/bio.h> | ||
71 | #include <openssl/bn.h> | ||
72 | #include <openssl/err.h> | ||
73 | #include <openssl/dh.h> | ||
74 | #include <openssl/pem.h> | ||
75 | #include <openssl/x509.h> | ||
76 | |||
77 | /* -inform arg - input format - default PEM (DER or PEM) | ||
78 | * -outform arg - output format - default PEM | ||
79 | * -in arg - input file - default stdin | ||
80 | * -out arg - output file - default stdout | ||
81 | * -check - check the parameters are ok | ||
82 | * -noout | ||
83 | * -text | ||
84 | * -C | ||
85 | */ | ||
86 | |||
87 | int dh_main(int, char **); | ||
88 | |||
89 | int | ||
90 | dh_main(int argc, char **argv) | ||
91 | { | ||
92 | DH *dh = NULL; | ||
93 | int i, badops = 0, text = 0; | ||
94 | BIO *in = NULL, *out = NULL; | ||
95 | int informat, outformat, check = 0, noout = 0, C = 0, ret = 1; | ||
96 | char *infile, *outfile, *prog; | ||
97 | #ifndef OPENSSL_NO_ENGINE | ||
98 | char *engine; | ||
99 | #endif | ||
100 | |||
101 | #ifndef OPENSSL_NO_ENGINE | ||
102 | engine = NULL; | ||
103 | #endif | ||
104 | infile = NULL; | ||
105 | outfile = NULL; | ||
106 | informat = FORMAT_PEM; | ||
107 | outformat = FORMAT_PEM; | ||
108 | |||
109 | prog = argv[0]; | ||
110 | argc--; | ||
111 | argv++; | ||
112 | while (argc >= 1) { | ||
113 | if (strcmp(*argv, "-inform") == 0) { | ||
114 | if (--argc < 1) | ||
115 | goto bad; | ||
116 | informat = str2fmt(*(++argv)); | ||
117 | } else if (strcmp(*argv, "-outform") == 0) { | ||
118 | if (--argc < 1) | ||
119 | goto bad; | ||
120 | outformat = str2fmt(*(++argv)); | ||
121 | } else if (strcmp(*argv, "-in") == 0) { | ||
122 | if (--argc < 1) | ||
123 | goto bad; | ||
124 | infile = *(++argv); | ||
125 | } else if (strcmp(*argv, "-out") == 0) { | ||
126 | if (--argc < 1) | ||
127 | goto bad; | ||
128 | outfile = *(++argv); | ||
129 | } | ||
130 | #ifndef OPENSSL_NO_ENGINE | ||
131 | else if (strcmp(*argv, "-engine") == 0) { | ||
132 | if (--argc < 1) | ||
133 | goto bad; | ||
134 | engine = *(++argv); | ||
135 | } | ||
136 | #endif | ||
137 | else if (strcmp(*argv, "-check") == 0) | ||
138 | check = 1; | ||
139 | else if (strcmp(*argv, "-text") == 0) | ||
140 | text = 1; | ||
141 | else if (strcmp(*argv, "-C") == 0) | ||
142 | C = 1; | ||
143 | else if (strcmp(*argv, "-noout") == 0) | ||
144 | noout = 1; | ||
145 | else { | ||
146 | BIO_printf(bio_err, "unknown option %s\n", *argv); | ||
147 | badops = 1; | ||
148 | break; | ||
149 | } | ||
150 | argc--; | ||
151 | argv++; | ||
152 | } | ||
153 | |||
154 | if (badops) { | ||
155 | bad: | ||
156 | BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog); | ||
157 | BIO_printf(bio_err, "where options are\n"); | ||
158 | BIO_printf(bio_err, " -inform arg input format - one of DER PEM\n"); | ||
159 | BIO_printf(bio_err, " -outform arg output format - one of DER PEM\n"); | ||
160 | BIO_printf(bio_err, " -in arg input file\n"); | ||
161 | BIO_printf(bio_err, " -out arg output file\n"); | ||
162 | BIO_printf(bio_err, " -check check the DH parameters\n"); | ||
163 | BIO_printf(bio_err, " -text print a text form of the DH parameters\n"); | ||
164 | BIO_printf(bio_err, " -C Output C code\n"); | ||
165 | BIO_printf(bio_err, " -noout no output\n"); | ||
166 | #ifndef OPENSSL_NO_ENGINE | ||
167 | BIO_printf(bio_err, " -engine e use engine e, possibly a hardware device.\n"); | ||
168 | #endif | ||
169 | goto end; | ||
170 | } | ||
171 | ERR_load_crypto_strings(); | ||
172 | |||
173 | #ifndef OPENSSL_NO_ENGINE | ||
174 | setup_engine(bio_err, engine, 0); | ||
175 | #endif | ||
176 | |||
177 | in = BIO_new(BIO_s_file()); | ||
178 | out = BIO_new(BIO_s_file()); | ||
179 | if ((in == NULL) || (out == NULL)) { | ||
180 | ERR_print_errors(bio_err); | ||
181 | goto end; | ||
182 | } | ||
183 | if (infile == NULL) | ||
184 | BIO_set_fp(in, stdin, BIO_NOCLOSE); | ||
185 | else { | ||
186 | if (BIO_read_filename(in, infile) <= 0) { | ||
187 | perror(infile); | ||
188 | goto end; | ||
189 | } | ||
190 | } | ||
191 | if (outfile == NULL) { | ||
192 | BIO_set_fp(out, stdout, BIO_NOCLOSE); | ||
193 | } else { | ||
194 | if (BIO_write_filename(out, outfile) <= 0) { | ||
195 | perror(outfile); | ||
196 | goto end; | ||
197 | } | ||
198 | } | ||
199 | |||
200 | if (informat == FORMAT_ASN1) | ||
201 | dh = d2i_DHparams_bio(in, NULL); | ||
202 | else if (informat == FORMAT_PEM) | ||
203 | dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL); | ||
204 | else { | ||
205 | BIO_printf(bio_err, "bad input format specified\n"); | ||
206 | goto end; | ||
207 | } | ||
208 | if (dh == NULL) { | ||
209 | BIO_printf(bio_err, "unable to load DH parameters\n"); | ||
210 | ERR_print_errors(bio_err); | ||
211 | goto end; | ||
212 | } | ||
213 | if (text) { | ||
214 | DHparams_print(out, dh); | ||
215 | #ifdef undef | ||
216 | printf("p="); | ||
217 | BN_print(stdout, dh->p); | ||
218 | printf("\ng="); | ||
219 | BN_print(stdout, dh->g); | ||
220 | printf("\n"); | ||
221 | if (dh->length != 0) | ||
222 | printf("recommended private length=%ld\n", dh->length); | ||
223 | #endif | ||
224 | } | ||
225 | if (check) { | ||
226 | if (!DH_check(dh, &i)) { | ||
227 | ERR_print_errors(bio_err); | ||
228 | goto end; | ||
229 | } | ||
230 | if (i & DH_CHECK_P_NOT_PRIME) | ||
231 | printf("p value is not prime\n"); | ||
232 | if (i & DH_CHECK_P_NOT_SAFE_PRIME) | ||
233 | printf("p value is not a safe prime\n"); | ||
234 | if (i & DH_UNABLE_TO_CHECK_GENERATOR) | ||
235 | printf("unable to check the generator value\n"); | ||
236 | if (i & DH_NOT_SUITABLE_GENERATOR) | ||
237 | printf("the g value is not a generator\n"); | ||
238 | if (i == 0) | ||
239 | printf("DH parameters appear to be ok.\n"); | ||
240 | } | ||
241 | if (C) { | ||
242 | unsigned char *data; | ||
243 | int len, l, bits; | ||
244 | |||
245 | len = BN_num_bytes(dh->p); | ||
246 | bits = BN_num_bits(dh->p); | ||
247 | data = malloc(len); | ||
248 | if (data == NULL) { | ||
249 | perror("malloc"); | ||
250 | goto end; | ||
251 | } | ||
252 | l = BN_bn2bin(dh->p, data); | ||
253 | printf("static unsigned char dh%d_p[] = {", bits); | ||
254 | for (i = 0; i < l; i++) { | ||
255 | if ((i % 12) == 0) | ||
256 | printf("\n\t"); | ||
257 | printf("0x%02X, ", data[i]); | ||
258 | } | ||
259 | printf("\n\t};\n"); | ||
260 | |||
261 | l = BN_bn2bin(dh->g, data); | ||
262 | printf("static unsigned char dh%d_g[] = {", bits); | ||
263 | for (i = 0; i < l; i++) { | ||
264 | if ((i % 12) == 0) | ||
265 | printf("\n\t"); | ||
266 | printf("0x%02X, ", data[i]); | ||
267 | } | ||
268 | printf("\n\t};\n\n"); | ||
269 | |||
270 | printf("DH *get_dh%d()\n\t{\n", bits); | ||
271 | printf("\tDH *dh;\n\n"); | ||
272 | printf("\tif ((dh = DH_new()) == NULL) return(NULL);\n"); | ||
273 | printf("\tdh->p = BN_bin2bn(dh%d_p, sizeof(dh%d_p), NULL);\n", | ||
274 | bits, bits); | ||
275 | printf("\tdh->g = BN_bin2bn(dh%d_g, sizeof(dh%d_g), NULL);\n", | ||
276 | bits, bits); | ||
277 | printf("\tif ((dh->p == NULL) || (dh->g == NULL))\n"); | ||
278 | printf("\t\treturn(NULL);\n"); | ||
279 | printf("\treturn(dh);\n\t}\n"); | ||
280 | free(data); | ||
281 | } | ||
282 | if (!noout) { | ||
283 | if (outformat == FORMAT_ASN1) | ||
284 | i = i2d_DHparams_bio(out, dh); | ||
285 | else if (outformat == FORMAT_PEM) | ||
286 | i = PEM_write_bio_DHparams(out, dh); | ||
287 | else { | ||
288 | BIO_printf(bio_err, "bad output format specified for outfile\n"); | ||
289 | goto end; | ||
290 | } | ||
291 | if (!i) { | ||
292 | BIO_printf(bio_err, "unable to write DH parameters\n"); | ||
293 | ERR_print_errors(bio_err); | ||
294 | goto end; | ||
295 | } | ||
296 | } | ||
297 | ret = 0; | ||
298 | |||
299 | end: | ||
300 | BIO_free(in); | ||
301 | if (out != NULL) | ||
302 | BIO_free_all(out); | ||
303 | if (dh != NULL) | ||
304 | DH_free(dh); | ||
305 | |||
306 | return (ret); | ||
307 | } | ||
308 | #endif | ||