130 lines
4.7 KiB
C
130 lines
4.7 KiB
C
/* 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 __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define EC_FLAG_COFACTOR_ECDH 0x1000
|
|
|
|
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_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);
|
|
|
|
int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
|
|
const unsigned char *Z, size_t Zlen,
|
|
const unsigned char *sinfo, size_t sinfolen,
|
|
const EVP_MD *md);
|
|
|
|
|
|
/* 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
|