/* $OpenBSD: ecdh.h,v 1.5 2015/09/13 12:03:07 jsing Exp $ */ /* ==================================================================== * 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 __cplusplus extern "C" { #endif const 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_size(const EC_KEY *ecdh); 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_CHECK 102 #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_KEY_TRUNCATION 104 #define ECDH_R_NON_FIPS_METHOD 103 #define ECDH_R_NO_PRIVATE_VALUE 100 #define ECDH_R_POINT_ARITHMETIC_FAILURE 101 #ifdef __cplusplus } #endif #endif