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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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