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cfcefcbe | 1 | /* p8_pkey.c */ |
ae5c8664 MC |
2 | /* |
3 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project | |
4 | * 1999. | |
cfcefcbe DSH |
5 | */ |
6 | /* ==================================================================== | |
24484759 | 7 | * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. |
cfcefcbe DSH |
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 | |
ae5c8664 | 14 | * notice, this list of conditions and the following disclaimer. |
cfcefcbe DSH |
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" | |
9d6b1ce6 | 62 | #include <openssl/asn1t.h> |
f0e8ae72 | 63 | #include <openssl/x509.h> |
cfcefcbe | 64 | |
9d6b1ce6 | 65 | /* Minor tweak to operation: zero private key data */ |
24484759 | 66 | static int pkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, |
ae5c8664 | 67 | void *exarg) |
cfcefcbe | 68 | { |
ae5c8664 MC |
69 | /* Since the structure must still be valid use ASN1_OP_FREE_PRE */ |
70 | if (operation == ASN1_OP_FREE_PRE) { | |
71 | PKCS8_PRIV_KEY_INFO *key = (PKCS8_PRIV_KEY_INFO *)*pval; | |
72 | if (key->pkey->value.octet_string) | |
73 | OPENSSL_cleanse(key->pkey->value.octet_string->data, | |
74 | key->pkey->value.octet_string->length); | |
75 | } | |
76 | return 1; | |
cfcefcbe DSH |
77 | } |
78 | ||
9d6b1ce6 | 79 | ASN1_SEQUENCE_cb(PKCS8_PRIV_KEY_INFO, pkey_cb) = { |
ae5c8664 MC |
80 | ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, version, ASN1_INTEGER), |
81 | ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkeyalg, X509_ALGOR), | |
82 | ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkey, ASN1_ANY), | |
83 | ASN1_IMP_SET_OF_OPT(PKCS8_PRIV_KEY_INFO, attributes, X509_ATTRIBUTE, 0) | |
d339187b | 84 | } ASN1_SEQUENCE_END_cb(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO) |
cfcefcbe | 85 | |
9d6b1ce6 | 86 | IMPLEMENT_ASN1_FUNCTIONS(PKCS8_PRIV_KEY_INFO) |
448be743 DSH |
87 | |
88 | int PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO *priv, ASN1_OBJECT *aobj, | |
ae5c8664 MC |
89 | int version, |
90 | int ptype, void *pval, unsigned char *penc, int penclen) | |
91 | { | |
92 | unsigned char **ppenc = NULL; | |
93 | if (version >= 0) { | |
94 | if (!ASN1_INTEGER_set(priv->version, version)) | |
95 | return 0; | |
96 | } | |
97 | if (penc) { | |
98 | int pmtype; | |
99 | ASN1_OCTET_STRING *oct; | |
100 | oct = ASN1_OCTET_STRING_new(); | |
101 | if (!oct) | |
102 | return 0; | |
103 | oct->data = penc; | |
104 | ppenc = &oct->data; | |
105 | oct->length = penclen; | |
106 | if (priv->broken == PKCS8_NO_OCTET) | |
107 | pmtype = V_ASN1_SEQUENCE; | |
108 | else | |
109 | pmtype = V_ASN1_OCTET_STRING; | |
110 | ASN1_TYPE_set(priv->pkey, pmtype, oct); | |
111 | } | |
112 | if (!X509_ALGOR_set0(priv->pkeyalg, aobj, ptype, pval)) { | |
113 | /* If call fails do not swallow 'enc' */ | |
114 | if (ppenc) | |
115 | *ppenc = NULL; | |
116 | return 0; | |
117 | } | |
118 | return 1; | |
119 | } | |
448be743 DSH |
120 | |
121 | int PKCS8_pkey_get0(ASN1_OBJECT **ppkalg, | |
ae5c8664 MC |
122 | const unsigned char **pk, int *ppklen, |
123 | X509_ALGOR **pa, PKCS8_PRIV_KEY_INFO *p8) | |
124 | { | |
125 | if (ppkalg) | |
126 | *ppkalg = p8->pkeyalg->algorithm; | |
127 | if (p8->pkey->type == V_ASN1_OCTET_STRING) { | |
128 | p8->broken = PKCS8_OK; | |
129 | if (pk) { | |
130 | *pk = p8->pkey->value.octet_string->data; | |
131 | *ppklen = p8->pkey->value.octet_string->length; | |
132 | } | |
133 | } else if (p8->pkey->type == V_ASN1_SEQUENCE) { | |
134 | p8->broken = PKCS8_NO_OCTET; | |
135 | if (pk) { | |
136 | *pk = p8->pkey->value.sequence->data; | |
137 | *ppklen = p8->pkey->value.sequence->length; | |
138 | } | |
139 | } else | |
140 | return 0; | |
141 | if (pa) | |
142 | *pa = p8->pkeyalg; | |
143 | return 1; | |
144 | } |