/src/libressl/crypto/evp/evp_pkey.c

Source (jump to first uncovered line)
/* $OpenBSD: evp_pkey.c,v 1.24 2021/12/12 21:30:13 tb 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"
#include "evp_locl.h"

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

EVP_PKEY *
EVP_PKCS82PKEY(const PKCS8_PRIV_KEY_INFO *p8)
{
  EVP_PKEY *pkey = NULL;
  const 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;
}

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

PKCS8_PRIV_KEY_INFO *
EVP_PKEY2PKCS8(EVP_PKEY *pkey)
{
  PKCS8_PRIV_KEY_INFO *p8;

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

  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;
}

/* 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, const 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;
}

Coverage Report

Created: 2022-08-24 06:30

Line	Count	Source (jump to first uncovered line)
1		/* $OpenBSD: evp_pkey.c,v 1.24 2021/12/12 21:30:13 tb 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		#include "evp_locl.h"
67
68		/* Extract a private key from a PKCS8 structure */
69
70		EVP_PKEY *
71		EVP_PKCS82PKEY(const PKCS8_PRIV_KEY_INFO *p8)
72	0	{
73	0	EVP_PKEY *pkey = NULL;
74	0	const ASN1_OBJECT *algoid;
75	0	char obj_tmp[80];
76
77	0	if (!PKCS8_pkey_get0(&algoid, NULL, NULL, NULL, p8))
78	0	return NULL;
79
80	0	if (!(pkey = EVP_PKEY_new())) {
81	0	EVPerror(ERR_R_MALLOC_FAILURE);
82	0	return NULL;
83	0	}
84
85	0	if (!EVP_PKEY_set_type(pkey, OBJ_obj2nid(algoid))) {
86	0	EVPerror(EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
87	0	i2t_ASN1_OBJECT(obj_tmp, 80, algoid);
88	0	ERR_asprintf_error_data("TYPE=%s", obj_tmp);
89	0	goto error;
90	0	}
91
92	0	if (pkey->ameth->priv_decode) {
93	0	if (!pkey->ameth->priv_decode(pkey, p8)) {
94	0	EVPerror(EVP_R_PRIVATE_KEY_DECODE_ERROR);
95	0	goto error;
96	0	}
97	0	} else {
98	0	EVPerror(EVP_R_METHOD_NOT_SUPPORTED);
99	0	goto error;
100	0	}
101
102	0	return pkey;
103
104	0	error:
105	0	EVP_PKEY_free(pkey);
106	0	return NULL;
107	0	}
108
109		/* Turn a private key into a PKCS8 structure */
110
111		PKCS8_PRIV_KEY_INFO *
112		EVP_PKEY2PKCS8(EVP_PKEY *pkey)
113	0	{
114	0	PKCS8_PRIV_KEY_INFO *p8;
115
116	0	if (!(p8 = PKCS8_PRIV_KEY_INFO_new())) {
117	0	EVPerror(ERR_R_MALLOC_FAILURE);
118	0	return NULL;
119	0	}
120
121	0	if (pkey->ameth) {
122	0	if (pkey->ameth->priv_encode) {
123	0	if (!pkey->ameth->priv_encode(p8, pkey)) {
124	0	EVPerror(EVP_R_PRIVATE_KEY_ENCODE_ERROR);
125	0	goto error;
126	0	}
127	0	} else {
128	0	EVPerror(EVP_R_METHOD_NOT_SUPPORTED);
129	0	goto error;
130	0	}
131	0	} else {
132	0	EVPerror(EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
133	0	goto error;
134	0	}
135	0	return p8;
136
137	0	error:
138	0	PKCS8_PRIV_KEY_INFO_free(p8);
139	0	return NULL;
140	0	}
141
142		/* EVP_PKEY attribute functions */
143
144		int
145		EVP_PKEY_get_attr_count(const EVP_PKEY *key)
146	0	{
147	0	return X509at_get_attr_count(key->attributes);
148	0	}
149
150		int
151		EVP_PKEY_get_attr_by_NID(const EVP_PKEY *key, int nid, int lastpos)
152	0	{
153	0	return X509at_get_attr_by_NID(key->attributes, nid, lastpos);
154	0	}
155
156		int
157		EVP_PKEY_get_attr_by_OBJ(const EVP_PKEY key, const ASN1_OBJECT obj,
158		int lastpos)
159	0	{
160	0	return X509at_get_attr_by_OBJ(key->attributes, obj, lastpos);
161	0	}
162
163		X509_ATTRIBUTE *
164		EVP_PKEY_get_attr(const EVP_PKEY *key, int loc)
165	0	{
166	0	return X509at_get_attr(key->attributes, loc);
167	0	}
168
169		X509_ATTRIBUTE *
170		EVP_PKEY_delete_attr(EVP_PKEY *key, int loc)
171	0	{
172	0	return X509at_delete_attr(key->attributes, loc);
173	0	}
174
175		int
176		EVP_PKEY_add1_attr(EVP_PKEY key, X509_ATTRIBUTE attr)
177	0	{
178	0	if (X509at_add1_attr(&key->attributes, attr))
179	0	return 1;
180	0	return 0;
181	0	}
182
183		int
184		EVP_PKEY_add1_attr_by_OBJ(EVP_PKEY key, const ASN1_OBJECT obj, int type,
185		const unsigned char *bytes, int len)
186	0	{
187	0	if (X509at_add1_attr_by_OBJ(&key->attributes, obj, type, bytes, len))
188	0	return 1;
189	0	return 0;
190	0	}
191
192		int
193		EVP_PKEY_add1_attr_by_NID(EVP_PKEY *key, int nid, int type,
194		const unsigned char *bytes, int len)
195	0	{
196	0	if (X509at_add1_attr_by_NID(&key->attributes, nid, type, bytes, len))
197	0	return 1;
198	0	return 0;
199	0	}
200
201		int
202		EVP_PKEY_add1_attr_by_txt(EVP_PKEY key, const char attrname, int type,
203		const unsigned char *bytes, int len)
204	0	{
205	0	if (X509at_add1_attr_by_txt(&key->attributes, attrname, type,
206	0	bytes, len))
207	0	return 1;
208	0	return 0;
209	0	}