Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/engine/tb_ecdh.c	Lines:	1	14	7.1 %
Date:	2017-11-13	Branches:	0	6	0.0 %


/* $OpenBSD: tb_ecdh.c,v 1.4 2014/06/12 15:49:29 deraadt Exp $ */
/* ====================================================================
 * 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(void)
{
	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;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: tb_ecdh.c,v 1.4 2014/06/12 15:49:29 deraadt Exp $ */
2			/* ====================================================================
3			* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
4			*
5			* The Elliptic Curve Public-Key Crypto Library (ECC Code) included
6			* herein is developed by SUN MICROSYSTEMS, INC., and is contributed
7			* to the OpenSSL project.
8			*
9			* The ECC Code is licensed pursuant to the OpenSSL open source
10			* license provided below.
11			*
12			* The ECDH engine software is originally written by Nils Gura and
13			* Douglas Stebila of Sun Microsystems Laboratories.
14			*
15			*/
16			/* ====================================================================
17			* Copyright (c) 2000-2002 The OpenSSL Project. All rights reserved.
18			*
19			* Redistribution and use in source and binary forms, with or without
20			* modification, are permitted provided that the following conditions
21			* are met:
22			*
23			* 1. Redistributions of source code must retain the above copyright
24			* notice, this list of conditions and the following disclaimer.
25			*
26			* 2. Redistributions in binary form must reproduce the above copyright
27			* notice, this list of conditions and the following disclaimer in
28			* the documentation and/or other materials provided with the
29			* distribution.
30			*
31			* 3. All advertising materials mentioning features or use of this
32			* software must display the following acknowledgment:
33			* "This product includes software developed by the OpenSSL Project
34			* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
35			*
36			* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
37			* endorse or promote products derived from this software without
38			* prior written permission. For written permission, please contact
39			* licensing@OpenSSL.org.
40			*
41			* 5. Products derived from this software may not be called "OpenSSL"
42			* nor may "OpenSSL" appear in their names without prior written
43			* permission of the OpenSSL Project.
44			*
45			* 6. Redistributions of any form whatsoever must retain the following
46			* acknowledgment:
47			* "This product includes software developed by the OpenSSL Project
48			* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
49			*
50			* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
51			* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
53			* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
54			* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
56			* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
57			* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
58			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
59			* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
60			* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
61			* OF THE POSSIBILITY OF SUCH DAMAGE.
62			* ====================================================================
63			*
64			* This product includes cryptographic software written by Eric Young
65			* (eay@cryptsoft.com). This product includes software written by Tim
66			* Hudson (tjh@cryptsoft.com).
67			*
68			*/
69
70			#include "eng_int.h"
71
72			/* If this symbol is defined then ENGINE_get_default_ECDH(), the function that is
73			* used by ECDH to hook in implementation code and cache defaults (etc), will
74			* display brief debugging summaries to stderr with the 'nid'. */
75			/* #define ENGINE_ECDH_DEBUG */
76
77			static ENGINE_TABLE *ecdh_table = NULL;
78			static const int dummy_nid = 1;
79
80			void
81			ENGINE_unregister_ECDH(ENGINE *e)
82			{
83			engine_table_unregister(&ecdh_table, e);
84			}
85
86			static void
87			engine_unregister_all_ECDH(void)
88			{
89			engine_table_cleanup(&ecdh_table);
90			}
91
92			int
93			ENGINE_register_ECDH(ENGINE *e)
94			{
95			if (e->ecdh_meth)
96			return engine_table_register(&ecdh_table,
97			engine_unregister_all_ECDH, e, &dummy_nid, 1, 0);
98			return 1;
99			}
100
101			void
102			ENGINE_register_all_ECDH(void)
103			{
104			ENGINE *e;
105
106			for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
107			ENGINE_register_ECDH(e);
108			}
109
110			int
111			ENGINE_set_default_ECDH(ENGINE *e)
112			{
113			if (e->ecdh_meth)
114			return engine_table_register(&ecdh_table,
115			engine_unregister_all_ECDH, e, &dummy_nid, 1, 1);
116			return 1;
117			}
118
119			/* Exposed API function to get a functional reference from the implementation
120			* table (ie. try to get a functional reference from the tabled structural
121			* references). */
122			ENGINE *
123			ENGINE_get_default_ECDH(void)
124			{
125		2708	return engine_table_select(&ecdh_table, dummy_nid);
126			}
127
128			/* Obtains an ECDH implementation from an ENGINE functional reference */
129			const ECDH_METHOD *
130			ENGINE_get_ECDH(const ENGINE *e)
131			{
132			return e->ecdh_meth;
133			}
134
135			/* Sets an ECDH implementation in an ENGINE structure */
136			int
137			ENGINE_set_ECDH(ENGINE e, const ECDH_METHOD ecdh_meth)
138			{
139			e->ecdh_meth = ecdh_meth;
140			return 1;
141			}