/* crypto/ecdh/ecdh.h *//* ==================================================================== * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. * * The Elliptic Curve Public-Key Crypto Library (ECC Code) included * herein is developed by SUN MICROSYSTEMS, INC., and is contributed * to the OpenSSL project. * * The ECC Code is licensed pursuant to the OpenSSL open source * license provided below. * * The ECDH software is originally written by Douglas Stebila of * Sun Microsystems Laboratories. * *//* ==================================================================== * Copyright (c) 2000-2002 The OpenSSL Project.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer.  * * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in *    the documentation and/or other materials provided with the *    distribution. * * 3. All advertising materials mentioning features or use of this *    software must display the following acknowledgment: *    "This product includes software developed by the OpenSSL Project *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to *    endorse or promote products derived from this software without *    prior written permission. For written permission, please contact *    licensing@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" *    nor may "OpenSSL" appear in their names without prior written *    permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following *    acknowledgment: *    "This product includes software developed by the OpenSSL Project *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com).  This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */#ifndef HEADER_ECDH_H#define HEADER_ECDH_H#include <openssl/opensslconf.h>#ifdef OPENSSL_NO_ECDH#error ECDH is disabled.#endif#include <openssl/ec.h>#include <openssl/ossl_typ.h>#ifndef OPENSSL_NO_DEPRECATED#include <openssl/bn.h>#endif#ifdef __cplusplusextern "C" {#endifconst ECDH_METHOD *ECDH_OpenSSL(void);void	  ECDH_set_default_method(const ECDH_METHOD *);const ECDH_METHOD *ECDH_get_default_method(void);int 	  ECDH_set_method(EC_KEY *, const ECDH_METHOD *);int ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key, EC_KEY *ecdh,                     void *(*KDF)(const void *in, size_t inlen, void *out, size_t *outlen));int 	  ECDH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new 		*new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);int 	  ECDH_set_ex_data(EC_KEY *d, int idx, void *arg);void 	  *ECDH_get_ex_data(EC_KEY *d, int idx);/* BEGIN ERROR CODES *//* The following lines are auto generated by the script mkerr.pl. Any changes * made after this point may be overwritten when the script is next run. */void ERR_load_ECDH_strings(void);/* Error codes for the ECDH functions. *//* Function codes. */#define ECDH_F_ECDH_COMPUTE_KEY				 100#define ECDH_F_ECDH_DATA_NEW_METHOD			 101/* Reason codes. */#define ECDH_R_KDF_FAILED				 102#define ECDH_R_NO_PRIVATE_VALUE				 100#define ECDH_R_POINT_ARITHMETIC_FAILURE			 101#ifdef  __cplusplus}#endif#endif