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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/ec/ec_oct.c	Lines:	30	52	57.7 %
Date:	2017-11-07	Branches:	22	40	55.0 %


/* $OpenBSD: ec_oct.c,v 1.5 2017/01/29 17:49:23 beck Exp $ */
/*
 * Originally written by Bodo Moeller for the OpenSSL project.
 */
/* ====================================================================
 * Copyright (c) 1998-2003 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
 *    openssl-core@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).
 *
 */
/* ====================================================================
 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 * Binary polynomial ECC support in OpenSSL originally developed by
 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 */

#include <string.h>

#include <openssl/opensslconf.h>

#include <openssl/err.h>
#include <openssl/opensslv.h>

#include "ec_lcl.h"

int
EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP * group, EC_POINT * point,
    const BIGNUM * x, int y_bit, BN_CTX * ctx)
{
	if (group->meth->point_set_compressed_coordinates == 0
	    && !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
		ECerror(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
		return 0;
	}
	if (group->meth != point->meth) {
		ECerror(EC_R_INCOMPATIBLE_OBJECTS);
		return 0;
	}
	if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
		if (group->meth->field_type == NID_X9_62_prime_field)
			return ec_GFp_simple_set_compressed_coordinates(
			    group, point, x, y_bit, ctx);
		else
#ifdef OPENSSL_NO_EC2M
		{
			ECerror(EC_R_GF2M_NOT_SUPPORTED);
			return 0;
		}
#else
			return ec_GF2m_simple_set_compressed_coordinates(
			    group, point, x, y_bit, ctx);
#endif
	}
	return group->meth->point_set_compressed_coordinates(group, point, x, y_bit, ctx);
}

#ifndef OPENSSL_NO_EC2M
int
EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP * group, EC_POINT * point,
    const BIGNUM * x, int y_bit, BN_CTX * ctx)
{
	if (group->meth->point_set_compressed_coordinates == 0
	    && !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
		ECerror(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
		return 0;
	}
	if (group->meth != point->meth) {
		ECerror(EC_R_INCOMPATIBLE_OBJECTS);
		return 0;
	}
	if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
		if (group->meth->field_type == NID_X9_62_prime_field)
			return ec_GFp_simple_set_compressed_coordinates(
			    group, point, x, y_bit, ctx);
		else
			return ec_GF2m_simple_set_compressed_coordinates(
			    group, point, x, y_bit, ctx);
	}
	return group->meth->point_set_compressed_coordinates(group, point, x, y_bit, ctx);
}
#endif

size_t
EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *point,
    point_conversion_form_t form,
    unsigned char *buf, size_t len, BN_CTX *ctx)
{
	if (group->meth->point2oct == 0
	    && !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
		ECerror(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
		return 0;
	}
	if (group->meth != point->meth) {
		ECerror(EC_R_INCOMPATIBLE_OBJECTS);
		return 0;
	}
	if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
		if (group->meth->field_type == NID_X9_62_prime_field)
			return ec_GFp_simple_point2oct(group, point,
			    form, buf, len, ctx);
		else
#ifdef OPENSSL_NO_EC2M
		{
			ECerror(EC_R_GF2M_NOT_SUPPORTED);
			return 0;
		}
#else
			return ec_GF2m_simple_point2oct(group, point,
			    form, buf, len, ctx);
#endif
	}
	return group->meth->point2oct(group, point, form, buf, len, ctx);
}


int
EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *point,
    const unsigned char *buf, size_t len, BN_CTX *ctx)
{
	if (group->meth->oct2point == 0 &&
	    !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
		ECerror(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
		return 0;
	}
	if (group->meth != point->meth) {
		ECerror(EC_R_INCOMPATIBLE_OBJECTS);
		return 0;
	}
	if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
		if (group->meth->field_type == NID_X9_62_prime_field)
			return ec_GFp_simple_oct2point(group, point,
			    buf, len, ctx);
		else
#ifdef OPENSSL_NO_EC2M
		{
			ECerror(EC_R_GF2M_NOT_SUPPORTED);
			return 0;
		}
#else
			return ec_GF2m_simple_oct2point(group, point,
			    buf, len, ctx);
#endif
	}
	return group->meth->oct2point(group, point, buf, len, ctx);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: ec_oct.c,v 1.5 2017/01/29 17:49:23 beck Exp $ */
2			/*
3			* Originally written by Bodo Moeller for the OpenSSL project.
4			*/
5			/* ====================================================================
6			* Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			*
12			* 1. Redistributions of source code must retain the above copyright
13			* notice, this list of conditions and the following disclaimer.
14			*
15			* 2. Redistributions in binary form must reproduce the above copyright
16			* notice, this list of conditions and the following disclaimer in
17			* the documentation and/or other materials provided with the
18			* distribution.
19			*
20			* 3. All advertising materials mentioning features or use of this
21			* software must display the following acknowledgment:
22			* "This product includes software developed by the OpenSSL Project
23			* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
24			*
25			* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26			* endorse or promote products derived from this software without
27			* prior written permission. For written permission, please contact
28			* openssl-core@openssl.org.
29			*
30			* 5. Products derived from this software may not be called "OpenSSL"
31			* nor may "OpenSSL" appear in their names without prior written
32			* permission of the OpenSSL Project.
33			*
34			* 6. Redistributions of any form whatsoever must retain the following
35			* acknowledgment:
36			* "This product includes software developed by the OpenSSL Project
37			* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
38			*
39			* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40			* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42			* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43			* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45			* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46			* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48			* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49			* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50			* OF THE POSSIBILITY OF SUCH DAMAGE.
51			* ====================================================================
52			*
53			* This product includes cryptographic software written by Eric Young
54			* (eay@cryptsoft.com). This product includes software written by Tim
55			* Hudson (tjh@cryptsoft.com).
56			*
57			*/
58			/* ====================================================================
59			* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
60			* Binary polynomial ECC support in OpenSSL originally developed by
61			* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
62			*/
63
64			#include <string.h>
65
66			#include <openssl/opensslconf.h>
67
68			#include <openssl/err.h>
69			#include <openssl/opensslv.h>
70
71			#include "ec_lcl.h"
72
73			int
74			EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP * group, EC_POINT * point,
75			const BIGNUM * x, int y_bit, BN_CTX * ctx)
76			{
77	✗✓	414	if (group->meth->point_set_compressed_coordinates == 0
78	✓✗	276	&& !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
79			ECerror(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
80			return 0;
81			}
82	✗✓	138	if (group->meth != point->meth) {
83			ECerror(EC_R_INCOMPATIBLE_OBJECTS);
84			return 0;
85			}
86	✓✗	138	if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
87	✓✗	138	if (group->meth->field_type == NID_X9_62_prime_field)
88		138	return ec_GFp_simple_set_compressed_coordinates(
89			group, point, x, y_bit, ctx);
90			else
91			#ifdef OPENSSL_NO_EC2M
92			{
93			ECerror(EC_R_GF2M_NOT_SUPPORTED);
94			return 0;
95			}
96			#else
97			return ec_GF2m_simple_set_compressed_coordinates(
98			group, point, x, y_bit, ctx);
99			#endif
100			}
101			return group->meth->point_set_compressed_coordinates(group, point, x, y_bit, ctx);
102		138	}
103
104			#ifndef OPENSSL_NO_EC2M
105			int
106			EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP * group, EC_POINT * point,
107			const BIGNUM * x, int y_bit, BN_CTX * ctx)
108			{
109	✗✓	252	if (group->meth->point_set_compressed_coordinates == 0
110	✓✗	168	&& !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
111			ECerror(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
112			return 0;
113			}
114	✗✓	84	if (group->meth != point->meth) {
115			ECerror(EC_R_INCOMPATIBLE_OBJECTS);
116			return 0;
117			}
118	✓✗	84	if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
119	✗✓	84	if (group->meth->field_type == NID_X9_62_prime_field)
120			return ec_GFp_simple_set_compressed_coordinates(
121			group, point, x, y_bit, ctx);
122			else
123		84	return ec_GF2m_simple_set_compressed_coordinates(
124			group, point, x, y_bit, ctx);
125			}
126			return group->meth->point_set_compressed_coordinates(group, point, x, y_bit, ctx);
127		84	}
128			#endif
129
130			size_t
131			EC_POINT_point2oct(const EC_GROUP group, const EC_POINT point,
132			point_conversion_form_t form,
133			unsigned char buf, size_t len, BN_CTX ctx)
134			{
135	✗✓	20736	if (group->meth->point2oct == 0
136	✓✗	13824	&& !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
137			ECerror(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
138			return 0;
139			}
140	✗✓	6912	if (group->meth != point->meth) {
141			ECerror(EC_R_INCOMPATIBLE_OBJECTS);
142			return 0;
143			}
144	✓✗	6912	if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
145	✓✓	6912	if (group->meth->field_type == NID_X9_62_prime_field)
146		4722	return ec_GFp_simple_point2oct(group, point,
147			form, buf, len, ctx);
148			else
149			#ifdef OPENSSL_NO_EC2M
150			{
151			ECerror(EC_R_GF2M_NOT_SUPPORTED);
152			return 0;
153			}
154			#else
155		2190	return ec_GF2m_simple_point2oct(group, point,
156			form, buf, len, ctx);
157			#endif
158			}
159			return group->meth->point2oct(group, point, form, buf, len, ctx);
160		6912	}
161
162
163			int
164			EC_POINT_oct2point(const EC_GROUP group, EC_POINT point,
165			const unsigned char buf, size_t len, BN_CTX ctx)
166			{
167	✓✗✗✓	4416	if (group->meth->oct2point == 0 &&
168		1472	!(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
169			ECerror(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
170			return 0;
171			}
172	✗✓	1472	if (group->meth != point->meth) {
173			ECerror(EC_R_INCOMPATIBLE_OBJECTS);
174			return 0;
175			}
176	✓✗	1472	if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
177	✓✓	1472	if (group->meth->field_type == NID_X9_62_prime_field)
178		1292	return ec_GFp_simple_oct2point(group, point,
179			buf, len, ctx);
180			else
181			#ifdef OPENSSL_NO_EC2M
182			{
183			ECerror(EC_R_GF2M_NOT_SUPPORTED);
184			return 0;
185			}
186			#else
187		180	return ec_GF2m_simple_oct2point(group, point,
188			buf, len, ctx);
189			#endif
190			}
191			return group->meth->oct2point(group, point, buf, len, ctx);
192		1472	}