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 (at) 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 (at) cryptsoft.com). This product includes software written by Tim 52 * Hudson (tjh (at) 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 */ 103
