/src/openssl/crypto/asn1/p8_pkey.c

Source (jump to first uncovered line)
/* p8_pkey.c */
/*
 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
 * 1999.
 */
/* ====================================================================
 * Copyright (c) 1999-2005 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 <stdio.h>
#include "cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/x509.h>

/* Minor tweak to operation: zero private key data */
static int pkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
                   void *exarg)
{
    /* Since the structure must still be valid use ASN1_OP_FREE_PRE */
    if (operation == ASN1_OP_FREE_PRE) {
        PKCS8_PRIV_KEY_INFO *key = (PKCS8_PRIV_KEY_INFO *)*pval;
        if (key->pkey && key->pkey->type == V_ASN1_OCTET_STRING
            && key->pkey->value.octet_string != NULL)
            OPENSSL_cleanse(key->pkey->value.octet_string->data,
                            key->pkey->value.octet_string->length);
    }
    return 1;
}

ASN1_SEQUENCE_cb(PKCS8_PRIV_KEY_INFO, pkey_cb) = {
        ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, version, ASN1_INTEGER),
        ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkeyalg, X509_ALGOR),
        ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkey, ASN1_ANY),
        ASN1_IMP_SET_OF_OPT(PKCS8_PRIV_KEY_INFO, attributes, X509_ATTRIBUTE, 0)
} ASN1_SEQUENCE_END_cb(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO)

IMPLEMENT_ASN1_FUNCTIONS(PKCS8_PRIV_KEY_INFO)

int PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO *priv, ASN1_OBJECT *aobj,
                    int version,
                    int ptype, void *pval, unsigned char *penc, int penclen)
{
    unsigned char **ppenc = NULL;
    if (version >= 0) {
        if (!ASN1_INTEGER_set(priv->version, version))
            return 0;
    }
    if (penc) {
        int pmtype;
        ASN1_OCTET_STRING *oct;
        oct = ASN1_OCTET_STRING_new();
        if (!oct)
            return 0;
        oct->data = penc;
        ppenc = &oct->data;
        oct->length = penclen;
        if (priv->broken == PKCS8_NO_OCTET)
            pmtype = V_ASN1_SEQUENCE;
        else
            pmtype = V_ASN1_OCTET_STRING;
        ASN1_TYPE_set(priv->pkey, pmtype, oct);
    }
    if (!X509_ALGOR_set0(priv->pkeyalg, aobj, ptype, pval)) {
        /* If call fails do not swallow 'enc' */
        if (ppenc)
            *ppenc = NULL;
        return 0;
    }
    return 1;
}

int PKCS8_pkey_get0(ASN1_OBJECT **ppkalg,
                    const unsigned char **pk, int *ppklen,
                    X509_ALGOR **pa, PKCS8_PRIV_KEY_INFO *p8)
{
    if (ppkalg)
        *ppkalg = p8->pkeyalg->algorithm;
    if (p8->pkey->type == V_ASN1_OCTET_STRING) {
        p8->broken = PKCS8_OK;
        if (pk) {
            *pk = p8->pkey->value.octet_string->data;
            *ppklen = p8->pkey->value.octet_string->length;
        }
    } else if (p8->pkey->type == V_ASN1_SEQUENCE) {
        p8->broken = PKCS8_NO_OCTET;
        if (pk) {
            *pk = p8->pkey->value.sequence->data;
            *ppklen = p8->pkey->value.sequence->length;
        }
    } else
        return 0;
    if (pa)
        *pa = p8->pkeyalg;
    return 1;
}

Line	Count	Source (jump to first uncovered line)
1		/* p8_pkey.c */
2		/*
3		* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4		* 1999.
5		*/
6		/* ====================================================================
7		* Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved.
8		*
9		* Redistribution and use in source and binary forms, with or without
10		* modification, are permitted provided that the following conditions
11		* are met:
12		*
13		* 1. Redistributions of source code must retain the above copyright
14		* notice, this list of conditions and the following disclaimer.
15		*
16		* 2. Redistributions in binary form must reproduce the above copyright
17		* notice, this list of conditions and the following disclaimer in
18		* the documentation and/or other materials provided with the
19		* distribution.
20		*
21		* 3. All advertising materials mentioning features or use of this
22		* software must display the following acknowledgment:
23		* "This product includes software developed by the OpenSSL Project
24		* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25		*
26		* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27		* endorse or promote products derived from this software without
28		* prior written permission. For written permission, please contact
29		* licensing@OpenSSL.org.
30		*
31		* 5. Products derived from this software may not be called "OpenSSL"
32		* nor may "OpenSSL" appear in their names without prior written
33		* permission of the OpenSSL Project.
34		*
35		* 6. Redistributions of any form whatsoever must retain the following
36		* acknowledgment:
37		* "This product includes software developed by the OpenSSL Project
38		* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39		*
40		* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41		* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42		* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43		* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44		* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45		* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46		* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47		* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48		* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49		* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50		* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51		* OF THE POSSIBILITY OF SUCH DAMAGE.
52		* ====================================================================
53		*
54		* This product includes cryptographic software written by Eric Young
55		* (eay@cryptsoft.com). This product includes software written by Tim
56		* Hudson (tjh@cryptsoft.com).
57		*
58		*/
59
60		#include <stdio.h>
61		#include "cryptlib.h"
62		#include <openssl/asn1t.h>
63		#include <openssl/x509.h>
64
65		/* Minor tweak to operation: zero private key data */
66		static int pkey_cb(int operation, ASN1_VALUE *pval, const ASN1_ITEM it,
67		void *exarg)
68	0	{
69		/* Since the structure must still be valid use ASN1_OP_FREE_PRE */
70	0	if (operation == ASN1_OP_FREE_PRE) {
71	0	PKCS8_PRIV_KEY_INFO key = (PKCS8_PRIV_KEY_INFO )*pval;
72	0	if (key->pkey && key->pkey->type == V_ASN1_OCTET_STRING
73	0	&& key->pkey->value.octet_string != NULL)
74	0	OPENSSL_cleanse(key->pkey->value.octet_string->data,
75	0	key->pkey->value.octet_string->length);
76	0	}
77	0	return 1;
78	0	}
79
80		ASN1_SEQUENCE_cb(PKCS8_PRIV_KEY_INFO, pkey_cb) = {
81		ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, version, ASN1_INTEGER),
82		ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkeyalg, X509_ALGOR),
83		ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkey, ASN1_ANY),
84		ASN1_IMP_SET_OF_OPT(PKCS8_PRIV_KEY_INFO, attributes, X509_ATTRIBUTE, 0)
85		} ASN1_SEQUENCE_END_cb(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO)
86
87		IMPLEMENT_ASN1_FUNCTIONS(PKCS8_PRIV_KEY_INFO)
88
89		int PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO priv, ASN1_OBJECT aobj,
90		int version,
91		int ptype, void pval, unsigned char penc, int penclen)
92	0	{
93	0	unsigned char **ppenc = NULL;
94	0	if (version >= 0) {
95	0	if (!ASN1_INTEGER_set(priv->version, version))
96	0	return 0;
97	0	}
98	0	if (penc) {
99	0	int pmtype;
100	0	ASN1_OCTET_STRING *oct;
101	0	oct = ASN1_OCTET_STRING_new();
102	0	if (!oct)
103	0	return 0;
104	0	oct->data = penc;
105	0	ppenc = &oct->data;
106	0	oct->length = penclen;
107	0	if (priv->broken == PKCS8_NO_OCTET)
108	0	pmtype = V_ASN1_SEQUENCE;
109	0	else
110	0	pmtype = V_ASN1_OCTET_STRING;
111	0	ASN1_TYPE_set(priv->pkey, pmtype, oct);
112	0	}
113	0	if (!X509_ALGOR_set0(priv->pkeyalg, aobj, ptype, pval)) {
114		/* If call fails do not swallow 'enc' */
115	0	if (ppenc)
116	0	*ppenc = NULL;
117	0	return 0;
118	0	}
119	0	return 1;
120	0	}
121
122		int PKCS8_pkey_get0(ASN1_OBJECT **ppkalg,
123		const unsigned char *pk, int ppklen,
124		X509_ALGOR *pa, PKCS8_PRIV_KEY_INFO p8)
125	0	{
126	0	if (ppkalg)
127	0	*ppkalg = p8->pkeyalg->algorithm;
128	0	if (p8->pkey->type == V_ASN1_OCTET_STRING) {
129	0	p8->broken = PKCS8_OK;
130	0	if (pk) {
131	0	*pk = p8->pkey->value.octet_string->data;
132	0	*ppklen = p8->pkey->value.octet_string->length;
133	0	}
134	0	} else if (p8->pkey->type == V_ASN1_SEQUENCE) {
135	0	p8->broken = PKCS8_NO_OCTET;
136	0	if (pk) {
137	0	*pk = p8->pkey->value.sequence->data;
138	0	*ppklen = p8->pkey->value.sequence->length;
139	0	}
140	0	} else
141	0	return 0;
142	0	if (pa)
143	0	*pa = p8->pkeyalg;
144	0	return 1;
145	0	}

Coverage Report

Created: 2022-11-30 06:20