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Diffstat (limited to 'src/lib/libcrypto/ecdh/ech_lib.c')
-rw-r--r-- | src/lib/libcrypto/ecdh/ech_lib.c | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/src/lib/libcrypto/ecdh/ech_lib.c b/src/lib/libcrypto/ecdh/ech_lib.c deleted file mode 100644 index bb70d2d95f..0000000000 --- a/src/lib/libcrypto/ecdh/ech_lib.c +++ /dev/null | |||
@@ -1,247 +0,0 @@ | |||
1 | /* $OpenBSD: ech_lib.c,v 1.11 2015/09/13 12:03:07 jsing Exp $ */ | ||
2 | /* ==================================================================== | ||
3 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | ||
4 | * | ||
5 | * The Elliptic Curve Public-Key Crypto Library (ECC Code) included | ||
6 | * herein is developed by SUN MICROSYSTEMS, INC., and is contributed | ||
7 | * to the OpenSSL project. | ||
8 | * | ||
9 | * The ECC Code is licensed pursuant to the OpenSSL open source | ||
10 | * license provided below. | ||
11 | * | ||
12 | * The ECDH software is originally written by Douglas Stebila of | ||
13 | * Sun Microsystems Laboratories. | ||
14 | * | ||
15 | */ | ||
16 | /* ==================================================================== | ||
17 | * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved. | ||
18 | * | ||
19 | * Redistribution and use in source and binary forms, with or without | ||
20 | * modification, are permitted provided that the following conditions | ||
21 | * are met: | ||
22 | * | ||
23 | * 1. Redistributions of source code must retain the above copyright | ||
24 | * notice, this list of conditions and the following disclaimer. | ||
25 | * | ||
26 | * 2. Redistributions in binary form must reproduce the above copyright | ||
27 | * notice, this list of conditions and the following disclaimer in | ||
28 | * the documentation and/or other materials provided with the | ||
29 | * distribution. | ||
30 | * | ||
31 | * 3. All advertising materials mentioning features or use of this | ||
32 | * software must display the following acknowledgment: | ||
33 | * "This product includes software developed by the OpenSSL Project | ||
34 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | ||
35 | * | ||
36 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
37 | * endorse or promote products derived from this software without | ||
38 | * prior written permission. For written permission, please contact | ||
39 | * openssl-core@OpenSSL.org. | ||
40 | * | ||
41 | * 5. Products derived from this software may not be called "OpenSSL" | ||
42 | * nor may "OpenSSL" appear in their names without prior written | ||
43 | * permission of the OpenSSL Project. | ||
44 | * | ||
45 | * 6. Redistributions of any form whatsoever must retain the following | ||
46 | * acknowledgment: | ||
47 | * "This product includes software developed by the OpenSSL Project | ||
48 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | ||
49 | * | ||
50 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
51 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
52 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
53 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
54 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
56 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
57 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
58 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
59 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
60 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
61 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
62 | * ==================================================================== | ||
63 | * | ||
64 | * This product includes cryptographic software written by Eric Young | ||
65 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
66 | * Hudson (tjh@cryptsoft.com). | ||
67 | * | ||
68 | */ | ||
69 | |||
70 | #include <string.h> | ||
71 | |||
72 | #include <openssl/opensslconf.h> | ||
73 | |||
74 | #include "ech_locl.h" | ||
75 | #ifndef OPENSSL_NO_ENGINE | ||
76 | #include <openssl/engine.h> | ||
77 | #endif | ||
78 | #include <openssl/err.h> | ||
79 | |||
80 | static const ECDH_METHOD *default_ECDH_method = NULL; | ||
81 | |||
82 | static void *ecdh_data_new(void); | ||
83 | static void *ecdh_data_dup(void *); | ||
84 | static void ecdh_data_free(void *); | ||
85 | |||
86 | void | ||
87 | ECDH_set_default_method(const ECDH_METHOD *meth) | ||
88 | { | ||
89 | default_ECDH_method = meth; | ||
90 | } | ||
91 | |||
92 | const ECDH_METHOD * | ||
93 | ECDH_get_default_method(void) | ||
94 | { | ||
95 | if (!default_ECDH_method) { | ||
96 | default_ECDH_method = ECDH_OpenSSL(); | ||
97 | } | ||
98 | return default_ECDH_method; | ||
99 | } | ||
100 | |||
101 | int | ||
102 | ECDH_set_method(EC_KEY *eckey, const ECDH_METHOD *meth) | ||
103 | { | ||
104 | ECDH_DATA *ecdh; | ||
105 | |||
106 | ecdh = ecdh_check(eckey); | ||
107 | |||
108 | if (ecdh == NULL) | ||
109 | return 0; | ||
110 | |||
111 | #ifndef OPENSSL_NO_ENGINE | ||
112 | if (ecdh->engine) { | ||
113 | ENGINE_finish(ecdh->engine); | ||
114 | ecdh->engine = NULL; | ||
115 | } | ||
116 | #endif | ||
117 | ecdh->meth = meth; | ||
118 | return 1; | ||
119 | } | ||
120 | |||
121 | static ECDH_DATA * | ||
122 | ECDH_DATA_new_method(ENGINE *engine) | ||
123 | { | ||
124 | ECDH_DATA *ret; | ||
125 | |||
126 | ret = malloc(sizeof(ECDH_DATA)); | ||
127 | if (ret == NULL) { | ||
128 | ECDHerr(ECDH_F_ECDH_DATA_NEW_METHOD, ERR_R_MALLOC_FAILURE); | ||
129 | return (NULL); | ||
130 | } | ||
131 | |||
132 | ret->init = NULL; | ||
133 | |||
134 | ret->meth = ECDH_get_default_method(); | ||
135 | ret->engine = engine; | ||
136 | #ifndef OPENSSL_NO_ENGINE | ||
137 | if (!ret->engine) | ||
138 | ret->engine = ENGINE_get_default_ECDH(); | ||
139 | if (ret->engine) { | ||
140 | ret->meth = ENGINE_get_ECDH(ret->engine); | ||
141 | if (!ret->meth) { | ||
142 | ECDHerr(ECDH_F_ECDH_DATA_NEW_METHOD, ERR_R_ENGINE_LIB); | ||
143 | ENGINE_finish(ret->engine); | ||
144 | free(ret); | ||
145 | return NULL; | ||
146 | } | ||
147 | } | ||
148 | #endif | ||
149 | |||
150 | ret->flags = ret->meth->flags; | ||
151 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ECDH, ret, &ret->ex_data); | ||
152 | return (ret); | ||
153 | } | ||
154 | |||
155 | static void * | ||
156 | ecdh_data_new(void) | ||
157 | { | ||
158 | return (void *)ECDH_DATA_new_method(NULL); | ||
159 | } | ||
160 | |||
161 | static void * | ||
162 | ecdh_data_dup(void *data) | ||
163 | { | ||
164 | ECDH_DATA *r = (ECDH_DATA *)data; | ||
165 | |||
166 | /* XXX: dummy operation */ | ||
167 | if (r == NULL) | ||
168 | return NULL; | ||
169 | |||
170 | return (void *)ecdh_data_new(); | ||
171 | } | ||
172 | |||
173 | void | ||
174 | ecdh_data_free(void *data) | ||
175 | { | ||
176 | ECDH_DATA *r = (ECDH_DATA *)data; | ||
177 | |||
178 | #ifndef OPENSSL_NO_ENGINE | ||
179 | if (r->engine) | ||
180 | ENGINE_finish(r->engine); | ||
181 | #endif | ||
182 | |||
183 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDH, r, &r->ex_data); | ||
184 | |||
185 | explicit_bzero((void *)r, sizeof(ECDH_DATA)); | ||
186 | |||
187 | free(r); | ||
188 | } | ||
189 | |||
190 | ECDH_DATA * | ||
191 | ecdh_check(EC_KEY *key) | ||
192 | { | ||
193 | ECDH_DATA *ecdh_data; | ||
194 | |||
195 | void *data = EC_KEY_get_key_method_data(key, ecdh_data_dup, | ||
196 | ecdh_data_free, ecdh_data_free); | ||
197 | if (data == NULL) { | ||
198 | ecdh_data = (ECDH_DATA *)ecdh_data_new(); | ||
199 | if (ecdh_data == NULL) | ||
200 | return NULL; | ||
201 | data = EC_KEY_insert_key_method_data(key, (void *)ecdh_data, | ||
202 | ecdh_data_dup, ecdh_data_free, ecdh_data_free); | ||
203 | if (data != NULL) { | ||
204 | /* Another thread raced us to install the key_method | ||
205 | * data and won. */ | ||
206 | ecdh_data_free(ecdh_data); | ||
207 | ecdh_data = (ECDH_DATA *)data; | ||
208 | } | ||
209 | } else | ||
210 | ecdh_data = (ECDH_DATA *)data; | ||
211 | |||
212 | return ecdh_data; | ||
213 | } | ||
214 | |||
215 | int | ||
216 | ECDH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, | ||
217 | CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) | ||
218 | { | ||
219 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_ECDH, argl, argp, | ||
220 | new_func, dup_func, free_func); | ||
221 | } | ||
222 | |||
223 | int | ||
224 | ECDH_set_ex_data(EC_KEY *d, int idx, void *arg) | ||
225 | { | ||
226 | ECDH_DATA *ecdh; | ||
227 | ecdh = ecdh_check(d); | ||
228 | if (ecdh == NULL) | ||
229 | return 0; | ||
230 | return (CRYPTO_set_ex_data(&ecdh->ex_data, idx, arg)); | ||
231 | } | ||
232 | |||
233 | void * | ||
234 | ECDH_get_ex_data(EC_KEY *d, int idx) | ||
235 | { | ||
236 | ECDH_DATA *ecdh; | ||
237 | ecdh = ecdh_check(d); | ||
238 | if (ecdh == NULL) | ||
239 | return NULL; | ||
240 | return (CRYPTO_get_ex_data(&ecdh->ex_data, idx)); | ||
241 | } | ||
242 | |||
243 | int | ||
244 | ECDH_size(const EC_KEY *d) | ||
245 | { | ||
246 | return ((EC_GROUP_get_degree(EC_KEY_get0_group(d)) + 7) / 8); | ||
247 | } | ||