LTKCPP-- LLRP Toolkit C Plus Plus Library
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00001 /* crypto/ecdh/ecdh.h */ 00002 /* ==================================================================== 00003 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 00004 * 00005 * The Elliptic Curve Public-Key Crypto Library (ECC Code) included 00006 * herein is developed by SUN MICROSYSTEMS, INC., and is contributed 00007 * to the OpenSSL project. 00008 * 00009 * The ECC Code is licensed pursuant to the OpenSSL open source 00010 * license provided below. 00011 * 00012 * The ECDH software is originally written by Douglas Stebila of 00013 * Sun Microsystems Laboratories. 00014 * 00015 */ 00016 /* ==================================================================== 00017 * Copyright (c) 2000-2002 The OpenSSL Project. All rights reserved. 00018 * 00019 * Redistribution and use in source and binary forms, with or without 00020 * modification, are permitted provided that the following conditions 00021 * are met: 00022 * 00023 * 1. Redistributions of source code must retain the above copyright 00024 * notice, this list of conditions and the following disclaimer. 00025 * 00026 * 2. Redistributions in binary form must reproduce the above copyright 00027 * notice, this list of conditions and the following disclaimer in 00028 * the documentation and/or other materials provided with the 00029 * distribution. 00030 * 00031 * 3. All advertising materials mentioning features or use of this 00032 * software must display the following acknowledgment: 00033 * "This product includes software developed by the OpenSSL Project 00034 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 00035 * 00036 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 00037 * endorse or promote products derived from this software without 00038 * prior written permission. For written permission, please contact 00039 * licensing@OpenSSL.org. 00040 * 00041 * 5. Products derived from this software may not be called "OpenSSL" 00042 * nor may "OpenSSL" appear in their names without prior written 00043 * permission of the OpenSSL Project. 00044 * 00045 * 6. Redistributions of any form whatsoever must retain the following 00046 * acknowledgment: 00047 * "This product includes software developed by the OpenSSL Project 00048 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 00049 * 00050 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 00051 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00052 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00053 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 00054 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00055 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 00056 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00057 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00058 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 00059 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00060 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 00061 * OF THE POSSIBILITY OF SUCH DAMAGE. 00062 * ==================================================================== 00063 * 00064 * This product includes cryptographic software written by Eric Young 00065 * (eay@cryptsoft.com). This product includes software written by Tim 00066 * Hudson (tjh@cryptsoft.com). 00067 * 00068 */ 00069 #ifndef HEADER_ECDH_H 00070 # define HEADER_ECDH_H 00071 00072 # include <openssl/opensslconf.h> 00073 00074 # ifdef OPENSSL_NO_ECDH 00075 # error ECDH is disabled. 00076 # endif 00077 00078 # include <openssl/ec.h> 00079 # include <openssl/ossl_typ.h> 00080 # ifndef OPENSSL_NO_DEPRECATED 00081 # include <openssl/bn.h> 00082 # endif 00083 00084 #ifdef __cplusplus 00085 extern "C" { 00086 #endif 00087 00088 # define EC_FLAG_COFACTOR_ECDH 0x1000 00089 00090 const ECDH_METHOD *ECDH_OpenSSL(void); 00091 00092 void ECDH_set_default_method(const ECDH_METHOD *); 00093 const ECDH_METHOD *ECDH_get_default_method(void); 00094 int ECDH_set_method(EC_KEY *, const ECDH_METHOD *); 00095 00096 int ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key, 00097 EC_KEY *ecdh, void *(*KDF) (const void *in, size_t inlen, 00098 void *out, size_t *outlen)); 00099 00100 int ECDH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new 00101 *new_func, CRYPTO_EX_dup *dup_func, 00102 CRYPTO_EX_free *free_func); 00103 int ECDH_set_ex_data(EC_KEY *d, int idx, void *arg); 00104 void *ECDH_get_ex_data(EC_KEY *d, int idx); 00105 00106 int ECDH_KDF_X9_62(unsigned char *out, size_t outlen, 00107 const unsigned char *Z, size_t Zlen, 00108 const unsigned char *sinfo, size_t sinfolen, 00109 const EVP_MD *md); 00110 00111 /* BEGIN ERROR CODES */ 00112 /* 00113 * The following lines are auto generated by the script mkerr.pl. Any changes 00114 * made after this point may be overwritten when the script is next run. 00115 */ 00116 void ERR_load_ECDH_strings(void); 00117 00118 /* Error codes for the ECDH functions. */ 00119 00120 /* Function codes. */ 00121 # define ECDH_F_ECDH_CHECK 102 00122 # define ECDH_F_ECDH_COMPUTE_KEY 100 00123 # define ECDH_F_ECDH_DATA_NEW_METHOD 101 00124 00125 /* Reason codes. */ 00126 # define ECDH_R_KDF_FAILED 102 00127 # define ECDH_R_NON_FIPS_METHOD 103 00128 # define ECDH_R_NO_PRIVATE_VALUE 100 00129 # define ECDH_R_POINT_ARITHMETIC_FAILURE 101 00130 00131 #ifdef __cplusplus 00132 } 00133 #endif 00134 #endif