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      1 /*	$NetBSD: dst_openssl.h,v 1.1 2024/02/18 20:57:31 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
      5  *
      6  * SPDX-License-Identifier: MPL-2.0
      7  *
      8  * This Source Code Form is subject to the terms of the Mozilla Public
      9  * License, v. 2.0. If a copy of the MPL was not distributed with this
     10  * file, you can obtain one at https://mozilla.org/MPL/2.0/.
     11  *
     12  * See the COPYRIGHT file distributed with this work for additional
     13  * information regarding copyright ownership.
     14  */
     15 
     16 #ifndef DST_OPENSSL_H
     17 #define DST_OPENSSL_H 1
     18 
     19 #include <openssl/bn.h>
     20 #include <openssl/conf.h>
     21 #include <openssl/crypto.h>
     22 #include <openssl/err.h>
     23 #include <openssl/evp.h>
     24 #include <openssl/rand.h>
     25 
     26 #include <isc/lang.h>
     27 #include <isc/log.h>
     28 #include <isc/result.h>
     29 
     30 #if !HAVE_BN_GENCB_NEW
     31 /*
     32  * These are new in OpenSSL 1.1.0.  BN_GENCB _cb needs to be declared in
     33  * the function like this before the BN_GENCB_new call:
     34  *
     35  * #if !HAVE_BN_GENCB_NEW
     36  *     	 _cb;
     37  * #endif
     38  */
     39 #define BN_GENCB_free(x)    ((void)0)
     40 #define BN_GENCB_new()	    (&_cb)
     41 #define BN_GENCB_get_arg(x) ((x)->arg)
     42 #endif /* !HAVE_BN_GENCB_NEW */
     43 
     44 #if OPENSSL_VERSION_NUMBER >= 0x10100000L
     45 /*
     46  * EVP_dss1() is a version of EVP_sha1() that was needed prior to
     47  * 1.1.0 because there was a link between digests and signing algorithms;
     48  * the link has been eliminated and EVP_sha1() can be used now instead.
     49  */
     50 #define EVP_dss1 EVP_sha1
     51 #endif /* if OPENSSL_VERSION_NUMBER >= 0x10100000L */
     52 
     53 ISC_LANG_BEGINDECLS
     54 
     55 isc_result_t
     56 dst__openssl_toresult(isc_result_t fallback);
     57 
     58 isc_result_t
     59 dst__openssl_toresult2(const char *funcname, isc_result_t fallback);
     60 
     61 isc_result_t
     62 dst__openssl_toresult3(isc_logcategory_t *category, const char *funcname,
     63 		       isc_result_t fallback);
     64 
     65 #if !defined(OPENSSL_NO_ENGINE)
     66 ENGINE *
     67 dst__openssl_getengine(const char *engine);
     68 #else /* if !defined(OPENSSL_NO_ENGINE) */
     69 #define dst__openssl_getengine(x) NULL
     70 #endif /* if !defined(OPENSSL_NO_ENGINE) */
     71 
     72 ISC_LANG_ENDDECLS
     73 
     74 #endif /* DST_OPENSSL_H */
     75 /*! \file */
     76