ecs_asn1.c

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ecs_asn1.c

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/home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/ecdsa/ecs_asn1.c

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/* $OpenBSD: ecs_asn1.c,v 1.9 2018/03/17 15:24:44 tb Exp $ */

/* ====================================================================

* 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,

executed 532 times by 1 test: return (ECDSA_SIG *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, &ECDSA_SIG_it);

Executed by:

ecdsatest

532

&ECDSA_SIG_it);

executed 532 times by 1 test: return (ECDSA_SIG *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, &ECDSA_SIG_it);

Executed by:

ecdsatest

532

}

int

100

i2d_ECDSA_SIG(const ECDSA_SIG *a, unsigned char **out)

101

{

102

return ASN1_item_i2d((ASN1_VALUE *)a, out, &ECDSA_SIG_it);

executed 608 times by 1 test: return ASN1_item_i2d((ASN1_VALUE *)a, out, &ECDSA_SIG_it);

Executed by:

ecdsatest

608

}

ECDSA_SIG *

ECDSA_SIG_new(void)

{

return (ECDSA_SIG *)ASN1_item_new(&ECDSA_SIG_it);

executed 532 times by 1 test: return (ECDSA_SIG *)ASN1_item_new(&ECDSA_SIG_it);

Executed by:

ecdsatest

532

}

void

ECDSA_SIG_free(ECDSA_SIG *a)

113

{

114

ASN1_item_free((ASN1_VALUE *)a, &ECDSA_SIG_it);

115

}

executed 610 times by 2 tests: end of block

Executed by:

ecdsatest
freenull

610

116

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void

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ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps)

119

{

120

if (pr != NULL)

pr != ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

121

*pr = sig->r;

never executed: *pr = sig->r;

122

if (ps != NULL)

ps != ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

123

*ps = sig->s;

never executed: *ps = sig->s;

124

}

never executed: end of block

125

126

int

127

ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s)

128

{

129

if (r == NULL || s == NULL)

r == ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

s == ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

130

return 0;

never executed: return 0;

131

132

BN_clear_free(sig->r);

133

BN_clear_free(sig->s);

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sig->r = r;

135

sig->s = s;

136

return 1;

never executed: return 1;

137

}

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