diff options
Diffstat (limited to 'src/lib/libcrypto/ecdsa/ecs_lib.c')
-rw-r--r-- | src/lib/libcrypto/ecdsa/ecs_lib.c | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/src/lib/libcrypto/ecdsa/ecs_lib.c b/src/lib/libcrypto/ecdsa/ecs_lib.c deleted file mode 100644 index 1ba788b4f0..0000000000 --- a/src/lib/libcrypto/ecdsa/ecs_lib.c +++ /dev/null | |||
@@ -1,264 +0,0 @@ | |||
1 | /* $OpenBSD: ecs_lib.c,v 1.10 2015/09/10 15:56:25 jsing Exp $ */ | ||
2 | /* ==================================================================== | ||
3 | * Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved. | ||
4 | * | ||
5 | * Redistribution and use in source and binary forms, with or without | ||
6 | * modification, are permitted provided that the following conditions | ||
7 | * are met: | ||
8 | * | ||
9 | * 1. Redistributions of source code must retain the above copyright | ||
10 | * notice, this list of conditions and the following disclaimer. | ||
11 | * | ||
12 | * 2. Redistributions in binary form must reproduce the above copyright | ||
13 | * notice, this list of conditions and the following disclaimer in | ||
14 | * the documentation and/or other materials provided with the | ||
15 | * distribution. | ||
16 | * | ||
17 | * 3. All advertising materials mentioning features or use of this | ||
18 | * software must display the following acknowledgment: | ||
19 | * "This product includes software developed by the OpenSSL Project | ||
20 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | ||
21 | * | ||
22 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
23 | * endorse or promote products derived from this software without | ||
24 | * prior written permission. For written permission, please contact | ||
25 | * openssl-core@OpenSSL.org. | ||
26 | * | ||
27 | * 5. Products derived from this software may not be called "OpenSSL" | ||
28 | * nor may "OpenSSL" appear in their names without prior written | ||
29 | * permission of the OpenSSL Project. | ||
30 | * | ||
31 | * 6. Redistributions of any form whatsoever must retain the following | ||
32 | * acknowledgment: | ||
33 | * "This product includes software developed by the OpenSSL Project | ||
34 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | ||
35 | * | ||
36 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
37 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
38 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
39 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
40 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
41 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
42 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
43 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
44 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
45 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
46 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
47 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
48 | * ==================================================================== | ||
49 | * | ||
50 | * This product includes cryptographic software written by Eric Young | ||
51 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
52 | * Hudson (tjh@cryptsoft.com). | ||
53 | * | ||
54 | */ | ||
55 | |||
56 | #include <string.h> | ||
57 | |||
58 | #include <openssl/opensslconf.h> | ||
59 | |||
60 | #include "ecs_locl.h" | ||
61 | #ifndef OPENSSL_NO_ENGINE | ||
62 | #include <openssl/engine.h> | ||
63 | #endif | ||
64 | #include <openssl/err.h> | ||
65 | #include <openssl/bn.h> | ||
66 | |||
67 | static const ECDSA_METHOD *default_ECDSA_method = NULL; | ||
68 | |||
69 | static void *ecdsa_data_new(void); | ||
70 | static void *ecdsa_data_dup(void *); | ||
71 | static void ecdsa_data_free(void *); | ||
72 | |||
73 | void | ||
74 | ECDSA_set_default_method(const ECDSA_METHOD *meth) | ||
75 | { | ||
76 | default_ECDSA_method = meth; | ||
77 | } | ||
78 | |||
79 | const ECDSA_METHOD * | ||
80 | ECDSA_get_default_method(void) | ||
81 | { | ||
82 | if (!default_ECDSA_method) { | ||
83 | default_ECDSA_method = ECDSA_OpenSSL(); | ||
84 | } | ||
85 | return default_ECDSA_method; | ||
86 | } | ||
87 | |||
88 | int | ||
89 | ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth) | ||
90 | { | ||
91 | ECDSA_DATA *ecdsa; | ||
92 | |||
93 | ecdsa = ecdsa_check(eckey); | ||
94 | |||
95 | if (ecdsa == NULL) | ||
96 | return 0; | ||
97 | |||
98 | #ifndef OPENSSL_NO_ENGINE | ||
99 | if (ecdsa->engine) { | ||
100 | ENGINE_finish(ecdsa->engine); | ||
101 | ecdsa->engine = NULL; | ||
102 | } | ||
103 | #endif | ||
104 | ecdsa->meth = meth; | ||
105 | |||
106 | return 1; | ||
107 | } | ||
108 | |||
109 | static ECDSA_DATA * | ||
110 | ECDSA_DATA_new_method(ENGINE *engine) | ||
111 | { | ||
112 | ECDSA_DATA *ret; | ||
113 | |||
114 | ret = malloc(sizeof(ECDSA_DATA)); | ||
115 | if (ret == NULL) { | ||
116 | ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_MALLOC_FAILURE); | ||
117 | return (NULL); | ||
118 | } | ||
119 | |||
120 | ret->init = NULL; | ||
121 | |||
122 | ret->meth = ECDSA_get_default_method(); | ||
123 | ret->engine = engine; | ||
124 | #ifndef OPENSSL_NO_ENGINE | ||
125 | if (!ret->engine) | ||
126 | ret->engine = ENGINE_get_default_ECDSA(); | ||
127 | if (ret->engine) { | ||
128 | ret->meth = ENGINE_get_ECDSA(ret->engine); | ||
129 | if (!ret->meth) { | ||
130 | ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, | ||
131 | ERR_R_ENGINE_LIB); | ||
132 | ENGINE_finish(ret->engine); | ||
133 | free(ret); | ||
134 | return NULL; | ||
135 | } | ||
136 | } | ||
137 | #endif | ||
138 | |||
139 | ret->flags = ret->meth->flags; | ||
140 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data); | ||
141 | return (ret); | ||
142 | } | ||
143 | |||
144 | static void * | ||
145 | ecdsa_data_new(void) | ||
146 | { | ||
147 | return (void *)ECDSA_DATA_new_method(NULL); | ||
148 | } | ||
149 | |||
150 | static void * | ||
151 | ecdsa_data_dup(void *data) | ||
152 | { | ||
153 | ECDSA_DATA *r = (ECDSA_DATA *)data; | ||
154 | |||
155 | /* XXX: dummy operation */ | ||
156 | if (r == NULL) | ||
157 | return NULL; | ||
158 | |||
159 | return ecdsa_data_new(); | ||
160 | } | ||
161 | |||
162 | static void | ||
163 | ecdsa_data_free(void *data) | ||
164 | { | ||
165 | ECDSA_DATA *r = (ECDSA_DATA *)data; | ||
166 | |||
167 | #ifndef OPENSSL_NO_ENGINE | ||
168 | if (r->engine) | ||
169 | ENGINE_finish(r->engine); | ||
170 | #endif | ||
171 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, r, &r->ex_data); | ||
172 | |||
173 | explicit_bzero((void *)r, sizeof(ECDSA_DATA)); | ||
174 | |||
175 | free(r); | ||
176 | } | ||
177 | |||
178 | ECDSA_DATA * | ||
179 | ecdsa_check(EC_KEY *key) | ||
180 | { | ||
181 | ECDSA_DATA *ecdsa_data; | ||
182 | |||
183 | void *data = EC_KEY_get_key_method_data(key, ecdsa_data_dup, | ||
184 | ecdsa_data_free, ecdsa_data_free); | ||
185 | if (data == NULL) { | ||
186 | ecdsa_data = (ECDSA_DATA *)ecdsa_data_new(); | ||
187 | if (ecdsa_data == NULL) | ||
188 | return NULL; | ||
189 | data = EC_KEY_insert_key_method_data(key, (void *)ecdsa_data, | ||
190 | ecdsa_data_dup, ecdsa_data_free, ecdsa_data_free); | ||
191 | if (data != NULL) { | ||
192 | /* Another thread raced us to install the key_method | ||
193 | * data and won. */ | ||
194 | ecdsa_data_free(ecdsa_data); | ||
195 | ecdsa_data = (ECDSA_DATA *)data; | ||
196 | } | ||
197 | } else | ||
198 | ecdsa_data = (ECDSA_DATA *)data; | ||
199 | |||
200 | return ecdsa_data; | ||
201 | } | ||
202 | |||
203 | int | ||
204 | ECDSA_size(const EC_KEY *r) | ||
205 | { | ||
206 | int ret, i; | ||
207 | ASN1_INTEGER bs; | ||
208 | BIGNUM *order = NULL; | ||
209 | unsigned char buf[4]; | ||
210 | const EC_GROUP *group; | ||
211 | |||
212 | if (r == NULL) | ||
213 | return 0; | ||
214 | group = EC_KEY_get0_group(r); | ||
215 | if (group == NULL) | ||
216 | return 0; | ||
217 | |||
218 | if ((order = BN_new()) == NULL) | ||
219 | return 0; | ||
220 | if (!EC_GROUP_get_order(group, order, NULL)) { | ||
221 | BN_clear_free(order); | ||
222 | return 0; | ||
223 | } | ||
224 | i = BN_num_bits(order); | ||
225 | bs.length = (i + 7) / 8; | ||
226 | bs.data = buf; | ||
227 | bs.type = V_ASN1_INTEGER; | ||
228 | /* If the top bit is set the asn1 encoding is 1 larger. */ | ||
229 | buf[0] = 0xff; | ||
230 | |||
231 | i = i2d_ASN1_INTEGER(&bs, NULL); | ||
232 | i += i; /* r and s */ | ||
233 | ret = ASN1_object_size(1, i, V_ASN1_SEQUENCE); | ||
234 | BN_clear_free(order); | ||
235 | return (ret); | ||
236 | } | ||
237 | |||
238 | int | ||
239 | ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, | ||
240 | CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) | ||
241 | { | ||
242 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_ECDSA, argl, argp, | ||
243 | new_func, dup_func, free_func); | ||
244 | } | ||
245 | |||
246 | int | ||
247 | ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg) | ||
248 | { | ||
249 | ECDSA_DATA *ecdsa; | ||
250 | ecdsa = ecdsa_check(d); | ||
251 | if (ecdsa == NULL) | ||
252 | return 0; | ||
253 | return (CRYPTO_set_ex_data(&ecdsa->ex_data, idx, arg)); | ||
254 | } | ||
255 | |||
256 | void * | ||
257 | ECDSA_get_ex_data(EC_KEY *d, int idx) | ||
258 | { | ||
259 | ECDSA_DATA *ecdsa; | ||
260 | ecdsa = ecdsa_check(d); | ||
261 | if (ecdsa == NULL) | ||
262 | return NULL; | ||
263 | return (CRYPTO_get_ex_data(&ecdsa->ex_data, idx)); | ||
264 | } | ||