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p8_pkey.c

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1/* $OpenBSD: p8_pkey.c,v 1.19 2018/08/24 20:17:33 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 <string.h>-
61-
62#include <openssl/asn1t.h>-
63#include <openssl/x509.h>-
64-
65/* Minor tweak to operation: zero private key data */-
66static int-
67pkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg)-
68{-
69 /* Since the structure must still be valid use ASN1_OP_FREE_PRE */-
70 if (operation == ASN1_OP_FREE_PRE) {
operation == 2Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEevaluated 6 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
1-6
71 PKCS8_PRIV_KEY_INFO *key = (PKCS8_PRIV_KEY_INFO *)*pval;-
72 if (key->pkey != NULL)
key->pkey != ((void *)0)Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEnever evaluated
0-1
73 explicit_bzero(key->pkey->data, key->pkey->length);
executed 1 time by 1 test: explicit_bzero(key->pkey->data, key->pkey->length);
Executed by:
  • libcrypto.so.44.0.1
1
74 }
executed 1 time by 1 test: end of block
Executed by:
  • libcrypto.so.44.0.1
1
75 return 1;
executed 7 times by 1 test: return 1;
Executed by:
  • libcrypto.so.44.0.1
7
76}-
77-
78static const ASN1_AUX PKCS8_PRIV_KEY_INFO_aux = {-
79 .asn1_cb = pkey_cb,-
80};-
81static const ASN1_TEMPLATE PKCS8_PRIV_KEY_INFO_seq_tt[] = {-
82 {-
83 .offset = offsetof(PKCS8_PRIV_KEY_INFO, version),-
84 .field_name = "version",-
85 .item = &ASN1_INTEGER_it,-
86 },-
87 {-
88 .offset = offsetof(PKCS8_PRIV_KEY_INFO, pkeyalg),-
89 .field_name = "pkeyalg",-
90 .item = &X509_ALGOR_it,-
91 },-
92 {-
93 .offset = offsetof(PKCS8_PRIV_KEY_INFO, pkey),-
94 .field_name = "pkey",-
95 .item = &ASN1_OCTET_STRING_it,-
96 },-
97 {-
98 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SET_OF | ASN1_TFLG_OPTIONAL,-
99 .offset = offsetof(PKCS8_PRIV_KEY_INFO, attributes),-
100 .field_name = "attributes",-
101 .item = &X509_ATTRIBUTE_it,-
102 },-
103};-
104-
105const ASN1_ITEM PKCS8_PRIV_KEY_INFO_it = {-
106 .itype = ASN1_ITYPE_SEQUENCE,-
107 .utype = V_ASN1_SEQUENCE,-
108 .templates = PKCS8_PRIV_KEY_INFO_seq_tt,-
109 .tcount = sizeof(PKCS8_PRIV_KEY_INFO_seq_tt) / sizeof(ASN1_TEMPLATE),-
110 .funcs = &PKCS8_PRIV_KEY_INFO_aux,-
111 .size = sizeof(PKCS8_PRIV_KEY_INFO),-
112 .sname = "PKCS8_PRIV_KEY_INFO",-
113};-
114-
115-
116PKCS8_PRIV_KEY_INFO *-
117d2i_PKCS8_PRIV_KEY_INFO(PKCS8_PRIV_KEY_INFO **a, const unsigned char **in, long len)-
118{-
119 return (PKCS8_PRIV_KEY_INFO *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
never executed: return (PKCS8_PRIV_KEY_INFO *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, &PKCS8_PRIV_KEY_INFO_it);
0
120 &PKCS8_PRIV_KEY_INFO_it);
never executed: return (PKCS8_PRIV_KEY_INFO *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, &PKCS8_PRIV_KEY_INFO_it);
0
121}-
122-
123int-
124i2d_PKCS8_PRIV_KEY_INFO(PKCS8_PRIV_KEY_INFO *a, unsigned char **out)-
125{-
126 return ASN1_item_i2d((ASN1_VALUE *)a, out, &PKCS8_PRIV_KEY_INFO_it);
executed 2 times by 1 test: return ASN1_item_i2d((ASN1_VALUE *)a, out, &PKCS8_PRIV_KEY_INFO_it);
Executed by:
  • libcrypto.so.44.0.1
2
127}-
128-
129PKCS8_PRIV_KEY_INFO *-
130PKCS8_PRIV_KEY_INFO_new(void)-
131{-
132 return (PKCS8_PRIV_KEY_INFO *)ASN1_item_new(&PKCS8_PRIV_KEY_INFO_it);
executed 1 time by 1 test: return (PKCS8_PRIV_KEY_INFO *)ASN1_item_new(&PKCS8_PRIV_KEY_INFO_it);
Executed by:
  • libcrypto.so.44.0.1
1
133}-
134-
135void-
136PKCS8_PRIV_KEY_INFO_free(PKCS8_PRIV_KEY_INFO *a)-
137{-
138 ASN1_item_free((ASN1_VALUE *)a, &PKCS8_PRIV_KEY_INFO_it);-
139}
executed 2 times by 2 tests: end of block
Executed by:
  • freenull
  • libcrypto.so.44.0.1
2
140-
141int-
142PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO *priv, ASN1_OBJECT *aobj, int version,-
143 int ptype, void *pval, unsigned char *penc, int penclen)-
144{-
145 if (version >= 0) {
version >= 0Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEnever evaluated
0-1
146 if (!ASN1_INTEGER_set(priv->version, version))
!ASN1_INTEGER_...sion, version)Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
0-1
147 return 0;
never executed: return 0;
0
148 }
executed 1 time by 1 test: end of block
Executed by:
  • libcrypto.so.44.0.1
1
149 if (!X509_ALGOR_set0(priv->pkeyalg, aobj, ptype, pval))
!X509_ALGOR_se..., ptype, pval)Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
0-1
150 return 0;
never executed: return 0;
0
151 if (penc != NULL)
penc != ((void *)0)Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEnever evaluated
0-1
152 ASN1_STRING_set0(priv->pkey, penc, penclen);
executed 1 time by 1 test: ASN1_STRING_set0(priv->pkey, penc, penclen);
Executed by:
  • libcrypto.so.44.0.1
1
153 return 1;
executed 1 time by 1 test: return 1;
Executed by:
  • libcrypto.so.44.0.1
1
154}-
155-
156int-
157PKCS8_pkey_get0(const ASN1_OBJECT **ppkalg, const unsigned char **pk,-
158 int *ppklen, const X509_ALGOR **pa, const PKCS8_PRIV_KEY_INFO *p8)-
159{-
160 if (ppkalg != NULL)
ppkalg != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
161 *ppkalg = p8->pkeyalg->algorithm;
never executed: *ppkalg = p8->pkeyalg->algorithm;
0
162 if (pk != NULL) {
pk != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
163 *pk = ASN1_STRING_data(p8->pkey);-
164 *ppklen = ASN1_STRING_length(p8->pkey);-
165 }
never executed: end of block
0
166 if (pa != NULL)
pa != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
167 *pa = p8->pkeyalg;
never executed: *pa = p8->pkeyalg;
0
168 return 1;
never executed: return 1;
0
169}-
170-
171const STACK_OF(X509_ATTRIBUTE) *-
172PKCS8_pkey_get0_attrs(const PKCS8_PRIV_KEY_INFO *p8)-
173{-
174 return p8->attributes;
never executed: return p8->attributes;
0
175}-
176-
177int-
178PKCS8_pkey_add1_attr_by_NID(PKCS8_PRIV_KEY_INFO *p8, int nid, int type,-
179 const unsigned char *bytes, int len)-
180{-
181 if (X509at_add1_attr_by_NID(&p8->attributes, nid, type, bytes,
X509at_add1_at...!= ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
182 len) != NULL)
X509at_add1_at...!= ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
183 return 1;
never executed: return 1;
0
184 return 0;
never executed: return 0;
0
185}-
186-
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