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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: dst_openssl.h,v 1.3 2019/12/17 01:46:31 sthen Exp $ */
#ifndef DST_OPENSSL_H
#define DST_OPENSSL_H 1
#include <isc/lang.h>
#include <isc/log.h>
#include <isc/result.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/evp.h>
#include <openssl/conf.h>
#include <openssl/crypto.h>
#include <openssl/bn.h>
#if !defined(OPENSSL_NO_ENGINE) && \
((defined(CRYPTO_LOCK_ENGINE) && \
(OPENSSL_VERSION_NUMBER >= 0x0090707f)) || \
(OPENSSL_VERSION_NUMBER >= 0x10100000L))
#define USE_ENGINE 1
#endif
#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
/*
* These are new in OpenSSL 1.1.0. BN_GENCB _cb needs to be declared in
* the function like this before the BN_GENCB_new call:
*
* #if OPENSSL_VERSION_NUMBER < 0x10100000L
* _cb;
* #endif
*/
#define BN_GENCB_free(x) ((void)0)
#define BN_GENCB_new() (&_cb)
#define BN_GENCB_get_arg(x) ((x)->arg)
#endif
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
/*
* EVP_dss1() is a version of EVP_sha1() that was needed prior to
* 1.1.0 because there was a link between digests and signing algorithms;
* the link has been eliminated and EVP_sha1() can be used now instead.
*/
#define EVP_dss1 EVP_sha1
#endif
ISC_LANG_BEGINDECLS
isc_result_t
dst__openssl_toresult(isc_result_t fallback);
isc_result_t
dst__openssl_toresult2(const char *funcname, isc_result_t fallback);
isc_result_t
dst__openssl_toresult3(isc_logcategory_t *category,
const char *funcname, isc_result_t fallback);
#ifdef USE_ENGINE
ENGINE *
dst__openssl_getengine(const char *engine);
#else
#define dst__openssl_getengine(x) NULL
#endif
ISC_LANG_ENDDECLS
#endif /* DST_OPENSSL_H */
/*! \file */
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