Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/evp/evp_pkey.c	Lines:	18	65	27.7 %
Date:	2017-11-13	Branches:	9	29	31.0 %


/* $OpenBSD: evp_pkey.c,v 1.19 2017/01/29 17:49:23 beck Exp $ */
/* 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 <stdlib.h>

#include <openssl/err.h>
#include <openssl/x509.h>

#include "asn1_locl.h"

/* Extract a private key from a PKCS8 structure */

EVP_PKEY *
EVP_PKCS82PKEY(PKCS8_PRIV_KEY_INFO *p8)
{
	EVP_PKEY *pkey = NULL;
	ASN1_OBJECT *algoid;
	char obj_tmp[80];

	if (!PKCS8_pkey_get0(&algoid, NULL, NULL, NULL, p8))
		return NULL;

	if (!(pkey = EVP_PKEY_new())) {
		EVPerror(ERR_R_MALLOC_FAILURE);
		return NULL;
	}

	if (!EVP_PKEY_set_type(pkey, OBJ_obj2nid(algoid))) {
		EVPerror(EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
		i2t_ASN1_OBJECT(obj_tmp, 80, algoid);
		ERR_asprintf_error_data("TYPE=%s", obj_tmp);
		goto error;
	}

	if (pkey->ameth->priv_decode) {
		if (!pkey->ameth->priv_decode(pkey, p8)) {
			EVPerror(EVP_R_PRIVATE_KEY_DECODE_ERROR);
			goto error;
		}
	} else {
		EVPerror(EVP_R_METHOD_NOT_SUPPORTED);
		goto error;
	}

	return pkey;

error:
	EVP_PKEY_free(pkey);
	return NULL;
}

PKCS8_PRIV_KEY_INFO *
EVP_PKEY2PKCS8(EVP_PKEY *pkey)
{
	return EVP_PKEY2PKCS8_broken(pkey, PKCS8_OK);
}

/* Turn a private key into a PKCS8 structure */

PKCS8_PRIV_KEY_INFO *
EVP_PKEY2PKCS8_broken(EVP_PKEY *pkey, int broken)
{
	PKCS8_PRIV_KEY_INFO *p8;

	if (!(p8 = PKCS8_PRIV_KEY_INFO_new())) {
		EVPerror(ERR_R_MALLOC_FAILURE);
		return NULL;
	}
	p8->broken = broken;

	if (pkey->ameth) {
		if (pkey->ameth->priv_encode) {
			if (!pkey->ameth->priv_encode(p8, pkey)) {
				EVPerror(EVP_R_PRIVATE_KEY_ENCODE_ERROR);
				goto error;
			}
		} else {
			EVPerror(EVP_R_METHOD_NOT_SUPPORTED);
			goto error;
		}
	} else {
		EVPerror(EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
		goto error;
	}
	return p8;

error:
	PKCS8_PRIV_KEY_INFO_free(p8);
	return NULL;
}

PKCS8_PRIV_KEY_INFO *
PKCS8_set_broken(PKCS8_PRIV_KEY_INFO *p8, int broken)
{
	switch (broken) {
	case PKCS8_OK:
		p8->broken = PKCS8_OK;
		return p8;
		break;

	case PKCS8_NO_OCTET:
		p8->broken = PKCS8_NO_OCTET;
		p8->pkey->type = V_ASN1_SEQUENCE;
		return p8;
		break;

	default:
		EVPerror(EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE);
		return NULL;
	}
}

/* EVP_PKEY attribute functions */

int
EVP_PKEY_get_attr_count(const EVP_PKEY *key)
{
	return X509at_get_attr_count(key->attributes);
}

int
EVP_PKEY_get_attr_by_NID(const EVP_PKEY *key, int nid, int lastpos)
{
	return X509at_get_attr_by_NID(key->attributes, nid, lastpos);
}

int
EVP_PKEY_get_attr_by_OBJ(const EVP_PKEY *key, ASN1_OBJECT *obj, int lastpos)
{
	return X509at_get_attr_by_OBJ(key->attributes, obj, lastpos);
}

X509_ATTRIBUTE *
EVP_PKEY_get_attr(const EVP_PKEY *key, int loc)
{
	return X509at_get_attr(key->attributes, loc);
}

X509_ATTRIBUTE *
EVP_PKEY_delete_attr(EVP_PKEY *key, int loc)
{
	return X509at_delete_attr(key->attributes, loc);
}

int
EVP_PKEY_add1_attr(EVP_PKEY *key, X509_ATTRIBUTE *attr)
{
	if (X509at_add1_attr(&key->attributes, attr))
		return 1;
	return 0;
}

int
EVP_PKEY_add1_attr_by_OBJ(EVP_PKEY *key, const ASN1_OBJECT *obj, int type,
    const unsigned char *bytes, int len)
{
	if (X509at_add1_attr_by_OBJ(&key->attributes, obj, type, bytes, len))
		return 1;
	return 0;
}

int
EVP_PKEY_add1_attr_by_NID(EVP_PKEY *key, int nid, int type,
    const unsigned char *bytes, int len)
{
	if (X509at_add1_attr_by_NID(&key->attributes, nid, type, bytes, len))
		return 1;
	return 0;
}

int
EVP_PKEY_add1_attr_by_txt(EVP_PKEY *key, const char *attrname, int type,
    const unsigned char *bytes, int len)
{
	if (X509at_add1_attr_by_txt(&key->attributes, attrname, type,
	    bytes, len))
		return 1;
	return 0;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: evp_pkey.c,v 1.19 2017/01/29 17:49:23 beck Exp $ */
2			/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3			* project 1999.
4			*/
5			/* ====================================================================
6			* Copyright (c) 1999-2005 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			* licensing@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			#include <stdio.h>
60			#include <stdlib.h>
61
62			#include <openssl/err.h>
63			#include <openssl/x509.h>
64
65			#include "asn1_locl.h"
66
67			/* Extract a private key from a PKCS8 structure */
68
69			EVP_PKEY *
70			EVP_PKCS82PKEY(PKCS8_PRIV_KEY_INFO *p8)
71			{
72			EVP_PKEY *pkey = NULL;
73		444	ASN1_OBJECT *algoid;
74		222	char obj_tmp[80];
75
76	✗✓	222	if (!PKCS8_pkey_get0(&algoid, NULL, NULL, NULL, p8))
77			return NULL;
78
79	✗✓	222	if (!(pkey = EVP_PKEY_new())) {
80			EVPerror(ERR_R_MALLOC_FAILURE);
81			return NULL;
82			}
83
84	✗✓	222	if (!EVP_PKEY_set_type(pkey, OBJ_obj2nid(algoid))) {
85			EVPerror(EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
86			i2t_ASN1_OBJECT(obj_tmp, 80, algoid);
87			ERR_asprintf_error_data("TYPE=%s", obj_tmp);
88			goto error;
89			}
90
91	✓✗	222	if (pkey->ameth->priv_decode) {
92	✗✓	222	if (!pkey->ameth->priv_decode(pkey, p8)) {
93			EVPerror(EVP_R_PRIVATE_KEY_DECODE_ERROR);
94			goto error;
95			}
96			} else {
97			EVPerror(EVP_R_METHOD_NOT_SUPPORTED);
98			goto error;
99			}
100
101		222	return pkey;
102
103			error:
104			EVP_PKEY_free(pkey);
105			return NULL;
106		222	}
107
108			PKCS8_PRIV_KEY_INFO *
109			EVP_PKEY2PKCS8(EVP_PKEY *pkey)
110			{
111		212	return EVP_PKEY2PKCS8_broken(pkey, PKCS8_OK);
112			}
113
114			/* Turn a private key into a PKCS8 structure */
115
116			PKCS8_PRIV_KEY_INFO *
117			EVP_PKEY2PKCS8_broken(EVP_PKEY *pkey, int broken)
118			{
119			PKCS8_PRIV_KEY_INFO *p8;
120
121	✗✓	216	if (!(p8 = PKCS8_PRIV_KEY_INFO_new())) {
122			EVPerror(ERR_R_MALLOC_FAILURE);
123			return NULL;
124			}
125		108	p8->broken = broken;
126
127	✓✗	108	if (pkey->ameth) {
128	✓✗	108	if (pkey->ameth->priv_encode) {
129	✗✓	108	if (!pkey->ameth->priv_encode(p8, pkey)) {
130			EVPerror(EVP_R_PRIVATE_KEY_ENCODE_ERROR);
131			goto error;
132			}
133			} else {
134			EVPerror(EVP_R_METHOD_NOT_SUPPORTED);
135			goto error;
136			}
137			} else {
138			EVPerror(EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
139			goto error;
140			}
141		108	return p8;
142
143			error:
144			PKCS8_PRIV_KEY_INFO_free(p8);
145			return NULL;
146		108	}
147
148			PKCS8_PRIV_KEY_INFO *
149			PKCS8_set_broken(PKCS8_PRIV_KEY_INFO *p8, int broken)
150			{
151			switch (broken) {
152			case PKCS8_OK:
153			p8->broken = PKCS8_OK;
154			return p8;
155			break;
156
157			case PKCS8_NO_OCTET:
158			p8->broken = PKCS8_NO_OCTET;
159			p8->pkey->type = V_ASN1_SEQUENCE;
160			return p8;
161			break;
162
163			default:
164			EVPerror(EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE);
165			return NULL;
166			}
167			}
168
169			/* EVP_PKEY attribute functions */
170
171			int
172			EVP_PKEY_get_attr_count(const EVP_PKEY *key)
173			{
174			return X509at_get_attr_count(key->attributes);
175			}
176
177			int
178			EVP_PKEY_get_attr_by_NID(const EVP_PKEY *key, int nid, int lastpos)
179			{
180		8	return X509at_get_attr_by_NID(key->attributes, nid, lastpos);
181			}
182
183			int
184			EVP_PKEY_get_attr_by_OBJ(const EVP_PKEY key, ASN1_OBJECT obj, int lastpos)
185			{
186			return X509at_get_attr_by_OBJ(key->attributes, obj, lastpos);
187			}
188
189			X509_ATTRIBUTE *
190			EVP_PKEY_get_attr(const EVP_PKEY *key, int loc)
191			{
192			return X509at_get_attr(key->attributes, loc);
193			}
194
195			X509_ATTRIBUTE *
196			EVP_PKEY_delete_attr(EVP_PKEY *key, int loc)
197			{
198			return X509at_delete_attr(key->attributes, loc);
199			}
200
201			int
202			EVP_PKEY_add1_attr(EVP_PKEY key, X509_ATTRIBUTE attr)
203			{
204			if (X509at_add1_attr(&key->attributes, attr))
205			return 1;
206			return 0;
207			}
208
209			int
210			EVP_PKEY_add1_attr_by_OBJ(EVP_PKEY key, const ASN1_OBJECT obj, int type,
211			const unsigned char *bytes, int len)
212			{
213			if (X509at_add1_attr_by_OBJ(&key->attributes, obj, type, bytes, len))
214			return 1;
215			return 0;
216			}
217
218			int
219			EVP_PKEY_add1_attr_by_NID(EVP_PKEY *key, int nid, int type,
220			const unsigned char *bytes, int len)
221			{
222			if (X509at_add1_attr_by_NID(&key->attributes, nid, type, bytes, len))
223			return 1;
224			return 0;
225			}
226
227			int
228			EVP_PKEY_add1_attr_by_txt(EVP_PKEY key, const char attrname, int type,
229			const unsigned char *bytes, int len)
230			{
231			if (X509at_add1_attr_by_txt(&key->attributes, attrname, type,
232			bytes, len))
233			return 1;
234			return 0;
235			}