1*2139Sjp161948 /* crypto/ecdh/ecdh.h */ 2*2139Sjp161948 /* ==================================================================== 3*2139Sjp161948 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 4*2139Sjp161948 * 5*2139Sjp161948 * The Elliptic Curve Public-Key Crypto Library (ECC Code) included 6*2139Sjp161948 * herein is developed by SUN MICROSYSTEMS, INC., and is contributed 7*2139Sjp161948 * to the OpenSSL project. 8*2139Sjp161948 * 9*2139Sjp161948 * The ECC Code is licensed pursuant to the OpenSSL open source 10*2139Sjp161948 * license provided below. 11*2139Sjp161948 * 12*2139Sjp161948 * The ECDH software is originally written by Douglas Stebila of 13*2139Sjp161948 * Sun Microsystems Laboratories. 14*2139Sjp161948 * 15*2139Sjp161948 */ 16*2139Sjp161948 /* ==================================================================== 17*2139Sjp161948 * Copyright (c) 2000-2002 The OpenSSL Project. All rights reserved. 18*2139Sjp161948 * 19*2139Sjp161948 * Redistribution and use in source and binary forms, with or without 20*2139Sjp161948 * modification, are permitted provided that the following conditions 21*2139Sjp161948 * are met: 22*2139Sjp161948 * 23*2139Sjp161948 * 1. Redistributions of source code must retain the above copyright 24*2139Sjp161948 * notice, this list of conditions and the following disclaimer. 25*2139Sjp161948 * 26*2139Sjp161948 * 2. Redistributions in binary form must reproduce the above copyright 27*2139Sjp161948 * notice, this list of conditions and the following disclaimer in 28*2139Sjp161948 * the documentation and/or other materials provided with the 29*2139Sjp161948 * distribution. 30*2139Sjp161948 * 31*2139Sjp161948 * 3. All advertising materials mentioning features or use of this 32*2139Sjp161948 * software must display the following 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 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 37*2139Sjp161948 * endorse or promote products derived from this software without 38*2139Sjp161948 * prior written permission. For written permission, please contact 39*2139Sjp161948 * licensing@OpenSSL.org. 40*2139Sjp161948 * 41*2139Sjp161948 * 5. Products derived from this software may not be called "OpenSSL" 42*2139Sjp161948 * nor may "OpenSSL" appear in their names without prior written 43*2139Sjp161948 * permission of the OpenSSL Project. 44*2139Sjp161948 * 45*2139Sjp161948 * 6. Redistributions of any form whatsoever must retain the following 46*2139Sjp161948 * acknowledgment: 47*2139Sjp161948 * "This product includes software developed by the OpenSSL Project 48*2139Sjp161948 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 49*2139Sjp161948 * 50*2139Sjp161948 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 51*2139Sjp161948 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 52*2139Sjp161948 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 53*2139Sjp161948 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 54*2139Sjp161948 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 55*2139Sjp161948 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 56*2139Sjp161948 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 57*2139Sjp161948 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 58*2139Sjp161948 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 59*2139Sjp161948 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 60*2139Sjp161948 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 61*2139Sjp161948 * OF THE POSSIBILITY OF SUCH DAMAGE. 62*2139Sjp161948 * ==================================================================== 63*2139Sjp161948 * 64*2139Sjp161948 * This product includes cryptographic software written by Eric Young 65*2139Sjp161948 * (eay@cryptsoft.com). This product includes software written by Tim 66*2139Sjp161948 * Hudson (tjh@cryptsoft.com). 67*2139Sjp161948 * 68*2139Sjp161948 */ 69*2139Sjp161948 #ifndef HEADER_ECDH_H 70*2139Sjp161948 #define HEADER_ECDH_H 71*2139Sjp161948 72*2139Sjp161948 #include <openssl/opensslconf.h> 73*2139Sjp161948 74*2139Sjp161948 #ifdef OPENSSL_NO_ECDH 75*2139Sjp161948 #error ECDH is disabled. 76*2139Sjp161948 #endif 77*2139Sjp161948 78*2139Sjp161948 #include <openssl/ec.h> 79*2139Sjp161948 #include <openssl/ossl_typ.h> 80*2139Sjp161948 #ifndef OPENSSL_NO_DEPRECATED 81*2139Sjp161948 #include <openssl/bn.h> 82*2139Sjp161948 #endif 83*2139Sjp161948 84*2139Sjp161948 #ifdef __cplusplus 85*2139Sjp161948 extern "C" { 86*2139Sjp161948 #endif 87*2139Sjp161948 88*2139Sjp161948 const ECDH_METHOD *ECDH_OpenSSL(void); 89*2139Sjp161948 90*2139Sjp161948 void ECDH_set_default_method(const ECDH_METHOD *); 91*2139Sjp161948 const ECDH_METHOD *ECDH_get_default_method(void); 92*2139Sjp161948 int ECDH_set_method(EC_KEY *, const ECDH_METHOD *); 93*2139Sjp161948 94*2139Sjp161948 int ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key, EC_KEY *ecdh, 95*2139Sjp161948 void *(*KDF)(const void *in, size_t inlen, void *out, size_t *outlen)); 96*2139Sjp161948 97*2139Sjp161948 int ECDH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new 98*2139Sjp161948 *new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); 99*2139Sjp161948 int ECDH_set_ex_data(EC_KEY *d, int idx, void *arg); 100*2139Sjp161948 void *ECDH_get_ex_data(EC_KEY *d, int idx); 101*2139Sjp161948 102*2139Sjp161948 103*2139Sjp161948 /* BEGIN ERROR CODES */ 104*2139Sjp161948 /* The following lines are auto generated by the script mkerr.pl. Any changes 105*2139Sjp161948 * made after this point may be overwritten when the script is next run. 106*2139Sjp161948 */ 107*2139Sjp161948 void ERR_load_ECDH_strings(void); 108*2139Sjp161948 109*2139Sjp161948 /* Error codes for the ECDH functions. */ 110*2139Sjp161948 111*2139Sjp161948 /* Function codes. */ 112*2139Sjp161948 #define ECDH_F_ECDH_COMPUTE_KEY 100 113*2139Sjp161948 #define ECDH_F_ECDH_DATA_NEW_METHOD 101 114*2139Sjp161948 115*2139Sjp161948 /* Reason codes. */ 116*2139Sjp161948 #define ECDH_R_KDF_FAILED 102 117*2139Sjp161948 #define ECDH_R_NO_PRIVATE_VALUE 100 118*2139Sjp161948 #define ECDH_R_POINT_ARITHMETIC_FAILURE 101 119*2139Sjp161948 120*2139Sjp161948 #ifdef __cplusplus 121*2139Sjp161948 } 122*2139Sjp161948 #endif 123*2139Sjp161948 #endif 124