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pineappleEA
2020-12-28 15:15:37 +00:00
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commit 78b48028e1
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externals/libressl/crypto/ecdh/ech_locl.h vendored Executable file
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/* $OpenBSD: ech_locl.h,v 1.6 2019/09/05 16:12:36 jsing Exp $ */
/* ====================================================================
* Copyright (c) 2000-2005 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_ECH_LOCL_H
#define HEADER_ECH_LOCL_H
#include <openssl/ecdh.h>
__BEGIN_HIDDEN_DECLS
struct ecdh_method {
const char *name;
int (*compute_key)(void *key, 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 flags;
char *app_data;
};
/* If this flag is set the ECDH method is FIPS compliant and can be used
* in FIPS mode. This is set in the validated module method. If an
* application sets this flag in its own methods it is its responsibility
* to ensure the result is compliant.
*/
#define ECDH_FLAG_FIPS_METHOD 0x1
typedef struct ecdh_data_st {
/* EC_KEY_METH_DATA part */
int (*init)(EC_KEY *);
/* method specific part */
ENGINE *engine;
int flags;
const ECDH_METHOD *meth;
CRYPTO_EX_DATA ex_data;
} ECDH_DATA;
ECDH_DATA *ecdh_check(EC_KEY *);
/*
* ECDH Key Derivation Function as defined in ANSI X9.63.
*/
int ecdh_KDF_X9_63(unsigned char *out, size_t outlen, const unsigned char *Z,
size_t Zlen, const unsigned char *sinfo, size_t sinfolen, const EVP_MD *md);
__END_HIDDEN_DECLS
#endif /* HEADER_ECH_LOCL_H */