/src/libressl/crypto/ecdsa/ecs_asn1.c

Source (jump to first uncovered line)
/* $OpenBSD: ecs_asn1.c,v 1.10 2022/01/05 20:39:04 tb Exp $ */
/* ====================================================================
 * 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 "ecs_locl.h"
#include <openssl/err.h>
#include <openssl/asn1t.h>

static const ASN1_TEMPLATE ECDSA_SIG_seq_tt[] = {
  {
    .flags = 0,
    .tag = 0,
    .offset = offsetof(ECDSA_SIG, r),
    .field_name = "r",
    .item = &CBIGNUM_it,
  },
  {
    .flags = 0,
    .tag = 0,
    .offset = offsetof(ECDSA_SIG, s),
    .field_name = "s",
    .item = &CBIGNUM_it,
  },
};

const ASN1_ITEM ECDSA_SIG_it = {
  .itype = ASN1_ITYPE_SEQUENCE,
  .utype = V_ASN1_SEQUENCE,
  .templates = ECDSA_SIG_seq_tt,
  .tcount = sizeof(ECDSA_SIG_seq_tt) / sizeof(ASN1_TEMPLATE),
  .funcs = NULL,
  .size = sizeof(ECDSA_SIG),
  .sname = "ECDSA_SIG",
};

ECDSA_SIG *ECDSA_SIG_new(void);
void ECDSA_SIG_free(ECDSA_SIG *a);
ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **a, const unsigned char **in, long len);
int i2d_ECDSA_SIG(const ECDSA_SIG *a, unsigned char **out);

ECDSA_SIG *
d2i_ECDSA_SIG(ECDSA_SIG **a, const unsigned char **in, long len)
{
  return (ECDSA_SIG *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
      &ECDSA_SIG_it);
}

int
i2d_ECDSA_SIG(const ECDSA_SIG *a, unsigned char **out)
{
  return ASN1_item_i2d((ASN1_VALUE *)a, out, &ECDSA_SIG_it);
}

ECDSA_SIG *
ECDSA_SIG_new(void)
{
  return (ECDSA_SIG *)ASN1_item_new(&ECDSA_SIG_it);
}

void
ECDSA_SIG_free(ECDSA_SIG *a)
{
  ASN1_item_free((ASN1_VALUE *)a, &ECDSA_SIG_it);
}

void
ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps)
{
  if (pr != NULL)
    *pr = sig->r;
  if (ps != NULL)
    *ps = sig->s;
}

const BIGNUM *
ECDSA_SIG_get0_r(const ECDSA_SIG *sig)
{
  return sig->r;
}

const BIGNUM *
ECDSA_SIG_get0_s(const ECDSA_SIG *sig)
{
  return sig->s;
}

int
ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s)
{
  if (r == NULL || s == NULL)
    return 0;

  BN_clear_free(sig->r);
  BN_clear_free(sig->s);
  sig->r = r;
  sig->s = s;
  return 1;
}

Line	Count	Source (jump to first uncovered line)
1		/* $OpenBSD: ecs_asn1.c,v 1.10 2022/01/05 20:39:04 tb Exp $ */
2		/* ====================================================================
3		* Copyright (c) 2000-2002 The OpenSSL Project. All rights reserved.
4		*
5		* Redistribution and use in source and binary forms, with or without
6		* modification, are permitted provided that the following conditions
7		* are met:
8		*
9		* 1. Redistributions of source code must retain the above copyright
10		* notice, this list of conditions and the following disclaimer.
11		*
12		* 2. Redistributions in binary form must reproduce the above copyright
13		* notice, this list of conditions and the following disclaimer in
14		* the documentation and/or other materials provided with the
15		* distribution.
16		*
17		* 3. All advertising materials mentioning features or use of this
18		* software must display the following acknowledgment:
19		* "This product includes software developed by the OpenSSL Project
20		* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21		*
22		* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23		* endorse or promote products derived from this software without
24		* prior written permission. For written permission, please contact
25		* licensing@OpenSSL.org.
26		*
27		* 5. Products derived from this software may not be called "OpenSSL"
28		* nor may "OpenSSL" appear in their names without prior written
29		* permission of the OpenSSL Project.
30		*
31		* 6. Redistributions of any form whatsoever must retain the following
32		* acknowledgment:
33		* "This product includes software developed by the OpenSSL Project
34		* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35		*
36		* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37		* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38		* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39		* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40		* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41		* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42		* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43		* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44		* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45		* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46		* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47		* OF THE POSSIBILITY OF SUCH DAMAGE.
48		* ====================================================================
49		*
50		* This product includes cryptographic software written by Eric Young
51		* (eay@cryptsoft.com). This product includes software written by Tim
52		* Hudson (tjh@cryptsoft.com).
53		*
54		*/
55
56		#include "ecs_locl.h"
57		#include <openssl/err.h>
58		#include <openssl/asn1t.h>
59
60		static const ASN1_TEMPLATE ECDSA_SIG_seq_tt[] = {
61		{
62		.flags = 0,
63		.tag = 0,
64		.offset = offsetof(ECDSA_SIG, r),
65		.field_name = "r",
66		.item = &CBIGNUM_it,
67		},
68		{
69		.flags = 0,
70		.tag = 0,
71		.offset = offsetof(ECDSA_SIG, s),
72		.field_name = "s",
73		.item = &CBIGNUM_it,
74		},
75		};
76
77		const ASN1_ITEM ECDSA_SIG_it = {
78		.itype = ASN1_ITYPE_SEQUENCE,
79		.utype = V_ASN1_SEQUENCE,
80		.templates = ECDSA_SIG_seq_tt,
81		.tcount = sizeof(ECDSA_SIG_seq_tt) / sizeof(ASN1_TEMPLATE),
82		.funcs = NULL,
83		.size = sizeof(ECDSA_SIG),
84		.sname = "ECDSA_SIG",
85		};
86
87		ECDSA_SIG *ECDSA_SIG_new(void);
88		void ECDSA_SIG_free(ECDSA_SIG *a);
89		ECDSA_SIG d2i_ECDSA_SIG(ECDSA_SIG a, const unsigned char *in, long len);
90		int i2d_ECDSA_SIG(const ECDSA_SIG a, unsigned char *out);
91
92		ECDSA_SIG *
93		d2i_ECDSA_SIG(ECDSA_SIG a, const unsigned char in, long len)
94	0	{
95	0	return (ECDSA_SIG )ASN1_item_d2i((ASN1_VALUE *)a, in, len,
96	0	&ECDSA_SIG_it);
97	0	}
98
99		int
100		i2d_ECDSA_SIG(const ECDSA_SIG a, unsigned char *out)
101	0	{
102	0	return ASN1_item_i2d((ASN1_VALUE *)a, out, &ECDSA_SIG_it);
103	0	}
104
105		ECDSA_SIG *
106		ECDSA_SIG_new(void)
107	0	{
108	0	return (ECDSA_SIG *)ASN1_item_new(&ECDSA_SIG_it);
109	0	}
110
111		void
112		ECDSA_SIG_free(ECDSA_SIG *a)
113	0	{
114	0	ASN1_item_free((ASN1_VALUE *)a, &ECDSA_SIG_it);
115	0	}
116
117		void
118		ECDSA_SIG_get0(const ECDSA_SIG sig, const BIGNUM pr, const BIGNUM *ps)
119	0	{
120	0	if (pr != NULL)
121	0	*pr = sig->r;
122	0	if (ps != NULL)
123	0	*ps = sig->s;
124	0	}
125
126		const BIGNUM *
127		ECDSA_SIG_get0_r(const ECDSA_SIG *sig)
128	0	{
129	0	return sig->r;
130	0	}
131
132		const BIGNUM *
133		ECDSA_SIG_get0_s(const ECDSA_SIG *sig)
134	0	{
135	0	return sig->s;
136	0	}
137
138		int
139		ECDSA_SIG_set0(ECDSA_SIG sig, BIGNUM r, BIGNUM *s)
140	0	{
141	0	if (r == NULL \|\| s == NULL)
142	0	return 0;
143
144	0	BN_clear_free(sig->r);
145	0	BN_clear_free(sig->s);
146	0	sig->r = r;
147	0	sig->s = s;
148	0	return 1;
149	0	}

Coverage Report

Created: 2022-08-24 06:30