-/* crypto/engine/tb_ecdh.c */
-/* ====================================================================
- * 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 engine software is originally written by Nils Gura and
- * 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).
- *
- */
-
-#include "eng_int.h"
-
-/*
- * If this symbol is defined then ENGINE_get_default_ECDH(), the function
- * that is used by ECDH to hook in implementation code and cache defaults
- * (etc), will display brief debugging summaries to stderr with the 'nid'.
- */
-/* #define ENGINE_ECDH_DEBUG */
-
-static ENGINE_TABLE *ecdh_table = NULL;
-static const int dummy_nid = 1;
-
-void ENGINE_unregister_ECDH(ENGINE *e)
-{
- engine_table_unregister(&ecdh_table, e);
-}
-
-static void engine_unregister_all_ECDH(void)
-{
- engine_table_cleanup(&ecdh_table);
-}
-
-int ENGINE_register_ECDH(ENGINE *e)
-{
- if (e->ecdh_meth)
- return engine_table_register(&ecdh_table,
- engine_unregister_all_ECDH, e,
- &dummy_nid, 1, 0);
- return 1;
-}
-
-void ENGINE_register_all_ECDH()
-{
- ENGINE *e;
-
- for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
- ENGINE_register_ECDH(e);
-}
-
-int ENGINE_set_default_ECDH(ENGINE *e)
-{
- if (e->ecdh_meth)
- return engine_table_register(&ecdh_table,
- engine_unregister_all_ECDH, e,
- &dummy_nid, 1, 1);
- return 1;
-}
-
-/*
- * Exposed API function to get a functional reference from the implementation
- * table (ie. try to get a functional reference from the tabled structural
- * references).
- */
-ENGINE *ENGINE_get_default_ECDH(void)
-{
- return engine_table_select(&ecdh_table, dummy_nid);
-}
-
-/* Obtains an ECDH implementation from an ENGINE functional reference */
-const ECDH_METHOD *ENGINE_get_ECDH(const ENGINE *e)
-{
- return e->ecdh_meth;
-}
-
-/* Sets an ECDH implementation in an ENGINE structure */
-int ENGINE_set_ECDH(ENGINE *e, const ECDH_METHOD *ecdh_meth)
-{
- e->ecdh_meth = ecdh_meth;
- return 1;
-}
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