1*2139Sjp161948 /* crypto/ecdh/ech_locl.h */ 2*2139Sjp161948 /* ==================================================================== 3*2139Sjp161948 * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved. 4*2139Sjp161948 * 5*2139Sjp161948 * Redistribution and use in source and binary forms, with or without 6*2139Sjp161948 * modification, are permitted provided that the following conditions 7*2139Sjp161948 * are met: 8*2139Sjp161948 * 9*2139Sjp161948 * 1. Redistributions of source code must retain the above copyright 10*2139Sjp161948 * notice, this list of conditions and the following disclaimer. 11*2139Sjp161948 * 12*2139Sjp161948 * 2. Redistributions in binary form must reproduce the above copyright 13*2139Sjp161948 * notice, this list of conditions and the following disclaimer in 14*2139Sjp161948 * the documentation and/or other materials provided with the 15*2139Sjp161948 * distribution. 16*2139Sjp161948 * 17*2139Sjp161948 * 3. All advertising materials mentioning features or use of this 18*2139Sjp161948 * software must display the following acknowledgment: 19*2139Sjp161948 * "This product includes software developed by the OpenSSL Project 20*2139Sjp161948 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 21*2139Sjp161948 * 22*2139Sjp161948 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 23*2139Sjp161948 * endorse or promote products derived from this software without 24*2139Sjp161948 * prior written permission. For written permission, please contact 25*2139Sjp161948 * licensing@OpenSSL.org. 26*2139Sjp161948 * 27*2139Sjp161948 * 5. Products derived from this software may not be called "OpenSSL" 28*2139Sjp161948 * nor may "OpenSSL" appear in their names without prior written 29*2139Sjp161948 * permission of the OpenSSL Project. 30*2139Sjp161948 * 31*2139Sjp161948 * 6. Redistributions of any form whatsoever must retain the following 32*2139Sjp161948 * acknowledgment: 33*2139Sjp161948 * "This product includes software developed by the OpenSSL Project 34*2139Sjp161948 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 35*2139Sjp161948 * 36*2139Sjp161948 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 37*2139Sjp161948 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 38*2139Sjp161948 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 39*2139Sjp161948 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 40*2139Sjp161948 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 41*2139Sjp161948 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 42*2139Sjp161948 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 43*2139Sjp161948 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 44*2139Sjp161948 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 45*2139Sjp161948 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 46*2139Sjp161948 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 47*2139Sjp161948 * OF THE POSSIBILITY OF SUCH DAMAGE. 48*2139Sjp161948 * ==================================================================== 49*2139Sjp161948 * 50*2139Sjp161948 * This product includes cryptographic software written by Eric Young 51*2139Sjp161948 * (eay@cryptsoft.com). This product includes software written by Tim 52*2139Sjp161948 * Hudson (tjh@cryptsoft.com). 53*2139Sjp161948 * 54*2139Sjp161948 */ 55*2139Sjp161948 56*2139Sjp161948 #ifndef HEADER_ECH_LOCL_H 57*2139Sjp161948 #define HEADER_ECH_LOCL_H 58*2139Sjp161948 59*2139Sjp161948 #include <openssl/ecdh.h> 60*2139Sjp161948 61*2139Sjp161948 #ifdef __cplusplus 62*2139Sjp161948 extern "C" { 63*2139Sjp161948 #endif 64*2139Sjp161948 65*2139Sjp161948 struct ecdh_method 66*2139Sjp161948 { 67*2139Sjp161948 const char *name; 68*2139Sjp161948 int (*compute_key)(void *key, size_t outlen, const EC_POINT *pub_key, EC_KEY *ecdh, 69*2139Sjp161948 void *(*KDF)(const void *in, size_t inlen, void *out, size_t *outlen)); 70*2139Sjp161948 #if 0 71*2139Sjp161948 int (*init)(EC_KEY *eckey); 72*2139Sjp161948 int (*finish)(EC_KEY *eckey); 73*2139Sjp161948 #endif 74*2139Sjp161948 int flags; 75*2139Sjp161948 char *app_data; 76*2139Sjp161948 }; 77*2139Sjp161948 78*2139Sjp161948 typedef struct ecdh_data_st { 79*2139Sjp161948 /* EC_KEY_METH_DATA part */ 80*2139Sjp161948 int (*init)(EC_KEY *); 81*2139Sjp161948 /* method specific part */ 82*2139Sjp161948 ENGINE *engine; 83*2139Sjp161948 int flags; 84*2139Sjp161948 const ECDH_METHOD *meth; 85*2139Sjp161948 CRYPTO_EX_DATA ex_data; 86*2139Sjp161948 } ECDH_DATA; 87*2139Sjp161948 88*2139Sjp161948 ECDH_DATA *ecdh_check(EC_KEY *); 89*2139Sjp161948 90*2139Sjp161948 #ifdef __cplusplus 91*2139Sjp161948 } 92*2139Sjp161948 #endif 93*2139Sjp161948 94*2139Sjp161948 #endif /* HEADER_ECH_LOCL_H */ 95