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Commit | Line | Data |
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cfcefcbe | 1 | /* evp_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 | /* ==================================================================== | |
448be743 | 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 <stdlib.h> | |
62 | #include "cryptlib.h" | |
ec577822 BM |
63 | #include <openssl/x509.h> |
64 | #include <openssl/rand.h> | |
18e377b4 | 65 | #include "asn1_locl.h" |
cfcefcbe DSH |
66 | |
67 | /* Extract a private key from a PKCS8 structure */ | |
68 | ||
8afca8d9 | 69 | EVP_PKEY *EVP_PKCS82PKEY(PKCS8_PRIV_KEY_INFO *p8) |
cfcefcbe | 70 | { |
ae5c8664 MC |
71 | EVP_PKEY *pkey = NULL; |
72 | ASN1_OBJECT *algoid; | |
73 | char obj_tmp[80]; | |
74 | ||
75 | if (!PKCS8_pkey_get0(&algoid, NULL, NULL, NULL, p8)) | |
76 | return NULL; | |
77 | ||
78 | if (!(pkey = EVP_PKEY_new())) { | |
79 | EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_MALLOC_FAILURE); | |
80 | return NULL; | |
81 | } | |
82 | ||
83 | if (!EVP_PKEY_set_type(pkey, OBJ_obj2nid(algoid))) { | |
84 | EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM); | |
85 | i2t_ASN1_OBJECT(obj_tmp, 80, algoid); | |
86 | ERR_add_error_data(2, "TYPE=", obj_tmp); | |
87 | goto error; | |
88 | } | |
89 | ||
90 | if (pkey->ameth->priv_decode) { | |
91 | if (!pkey->ameth->priv_decode(pkey, p8)) { | |
92 | EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_PRIVATE_KEY_DECODE_ERROR); | |
93 | goto error; | |
94 | } | |
95 | } else { | |
96 | EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_METHOD_NOT_SUPPORTED); | |
97 | goto error; | |
98 | } | |
99 | ||
100 | return pkey; | |
101 | ||
102 | error: | |
103 | EVP_PKEY_free(pkey); | |
104 | return NULL; | |
cfcefcbe DSH |
105 | } |
106 | ||
66430207 DSH |
107 | PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(EVP_PKEY *pkey) |
108 | { | |
ae5c8664 | 109 | return EVP_PKEY2PKCS8_broken(pkey, PKCS8_OK); |
66430207 DSH |
110 | } |
111 | ||
cfcefcbe DSH |
112 | /* Turn a private key into a PKCS8 structure */ |
113 | ||
66430207 | 114 | PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8_broken(EVP_PKEY *pkey, int broken) |
cfcefcbe | 115 | { |
ae5c8664 MC |
116 | PKCS8_PRIV_KEY_INFO *p8; |
117 | ||
118 | if (!(p8 = PKCS8_PRIV_KEY_INFO_new())) { | |
119 | EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN, ERR_R_MALLOC_FAILURE); | |
120 | return NULL; | |
121 | } | |
122 | p8->broken = broken; | |
123 | ||
124 | if (pkey->ameth) { | |
125 | if (pkey->ameth->priv_encode) { | |
126 | if (!pkey->ameth->priv_encode(p8, pkey)) { | |
127 | EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN, | |
128 | EVP_R_PRIVATE_KEY_ENCODE_ERROR); | |
129 | goto error; | |
130 | } | |
131 | } else { | |
132 | EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN, EVP_R_METHOD_NOT_SUPPORTED); | |
133 | goto error; | |
134 | } | |
135 | } else { | |
136 | EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN, | |
137 | EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM); | |
138 | goto error; | |
139 | } | |
140 | RAND_add(p8->pkey->value.octet_string->data, | |
141 | p8->pkey->value.octet_string->length, 0.0); | |
142 | return p8; | |
143 | error: | |
144 | PKCS8_PRIV_KEY_INFO_free(p8); | |
145 | return NULL; | |
cfcefcbe DSH |
146 | } |
147 | ||
6b691a5c | 148 | PKCS8_PRIV_KEY_INFO *PKCS8_set_broken(PKCS8_PRIV_KEY_INFO *p8, int broken) |
cfcefcbe | 149 | { |
ae5c8664 MC |
150 | switch (broken) { |
151 | ||
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 | EVPerr(EVP_F_PKCS8_SET_BROKEN, EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE); | |
165 | return NULL; | |
166 | } | |
cfcefcbe DSH |
167 | } |
168 | ||
b6995add DSH |
169 | /* EVP_PKEY attribute functions */ |
170 | ||
171 | int EVP_PKEY_get_attr_count(const EVP_PKEY *key) | |
172 | { | |
ae5c8664 | 173 | return X509at_get_attr_count(key->attributes); |
b6995add DSH |
174 | } |
175 | ||
ae5c8664 | 176 | int EVP_PKEY_get_attr_by_NID(const EVP_PKEY *key, int nid, int lastpos) |
b6995add | 177 | { |
ae5c8664 | 178 | return X509at_get_attr_by_NID(key->attributes, nid, lastpos); |
b6995add DSH |
179 | } |
180 | ||
181 | int EVP_PKEY_get_attr_by_OBJ(const EVP_PKEY *key, ASN1_OBJECT *obj, | |
ae5c8664 | 182 | int lastpos) |
b6995add | 183 | { |
ae5c8664 | 184 | return X509at_get_attr_by_OBJ(key->attributes, obj, lastpos); |
b6995add DSH |
185 | } |
186 | ||
187 | X509_ATTRIBUTE *EVP_PKEY_get_attr(const EVP_PKEY *key, int loc) | |
188 | { | |
ae5c8664 | 189 | return X509at_get_attr(key->attributes, loc); |
b6995add DSH |
190 | } |
191 | ||
192 | X509_ATTRIBUTE *EVP_PKEY_delete_attr(EVP_PKEY *key, int loc) | |
193 | { | |
ae5c8664 | 194 | return X509at_delete_attr(key->attributes, loc); |
b6995add DSH |
195 | } |
196 | ||
197 | int EVP_PKEY_add1_attr(EVP_PKEY *key, X509_ATTRIBUTE *attr) | |
198 | { | |
ae5c8664 MC |
199 | if (X509at_add1_attr(&key->attributes, attr)) |
200 | return 1; | |
201 | return 0; | |
b6995add DSH |
202 | } |
203 | ||
204 | int EVP_PKEY_add1_attr_by_OBJ(EVP_PKEY *key, | |
ae5c8664 MC |
205 | const ASN1_OBJECT *obj, int type, |
206 | const unsigned char *bytes, int len) | |
b6995add | 207 | { |
ae5c8664 MC |
208 | if (X509at_add1_attr_by_OBJ(&key->attributes, obj, type, bytes, len)) |
209 | return 1; | |
210 | return 0; | |
b6995add DSH |
211 | } |
212 | ||
213 | int EVP_PKEY_add1_attr_by_NID(EVP_PKEY *key, | |
ae5c8664 MC |
214 | int nid, int type, |
215 | const unsigned char *bytes, int len) | |
b6995add | 216 | { |
ae5c8664 MC |
217 | if (X509at_add1_attr_by_NID(&key->attributes, nid, type, bytes, len)) |
218 | return 1; | |
219 | return 0; | |
b6995add DSH |
220 | } |
221 | ||
222 | int EVP_PKEY_add1_attr_by_txt(EVP_PKEY *key, | |
ae5c8664 MC |
223 | const char *attrname, int type, |
224 | const unsigned char *bytes, int len) | |
b6995add | 225 | { |
ae5c8664 MC |
226 | if (X509at_add1_attr_by_txt(&key->attributes, attrname, type, bytes, len)) |
227 | return 1; | |
228 | return 0; | |
b6995add | 229 | } |