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1 /* crypto/ecdh/ech_locl.h */ | |
2 /* ==================================================================== | |
3 * Copyright (c) 2000-2005 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 * licensing@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 #ifndef HEADER_ECH_LOCL_H | |
57 #define HEADER_ECH_LOCL_H | |
58 | |
59 #include <openssl/ecdh.h> | |
60 | |
61 #ifdef __cplusplus | |
62 extern "C" { | |
63 #endif | |
64 | |
65 struct ecdh_method | |
66 { | |
67 const char *name; | |
68 int (*compute_key)(void *key, size_t outlen, const EC_POINT *pub_key, EC
_KEY *ecdh, | |
69 void *(*KDF)(const void *in, size_t inlen, void *out,
size_t *outlen)); | |
70 #if 0 | |
71 int (*init)(EC_KEY *eckey); | |
72 int (*finish)(EC_KEY *eckey); | |
73 #endif | |
74 int flags; | |
75 char *app_data; | |
76 }; | |
77 | |
78 /* If this flag is set the ECDH method is FIPS compliant and can be used | |
79 * in FIPS mode. This is set in the validated module method. If an | |
80 * application sets this flag in its own methods it is its responsibility | |
81 * to ensure the result is compliant. | |
82 */ | |
83 | |
84 #define ECDH_FLAG_FIPS_METHOD 0x1 | |
85 | |
86 typedef struct ecdh_data_st { | |
87 /* EC_KEY_METH_DATA part */ | |
88 int (*init)(EC_KEY *); | |
89 /* method specific part */ | |
90 ENGINE *engine; | |
91 int flags; | |
92 const ECDH_METHOD *meth; | |
93 CRYPTO_EX_DATA ex_data; | |
94 } ECDH_DATA; | |
95 | |
96 ECDH_DATA *ecdh_check(EC_KEY *); | |
97 | |
98 #ifdef __cplusplus | |
99 } | |
100 #endif | |
101 | |
102 #endif /* HEADER_ECH_LOCL_H */ | |
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