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Commit | Line | Data |
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0f113f3e | 1 | /* |
aa6bb135 | 2 | * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved. |
cfcefcbe | 3 | * |
aa6bb135 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
cfcefcbe DSH |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
11 | #include <stdlib.h> | |
b39fc560 | 12 | #include "internal/cryptlib.h" |
ec577822 BM |
13 | #include <openssl/x509.h> |
14 | #include <openssl/rand.h> | |
5fe736e5 | 15 | #include "internal/asn1_int.h" |
3aeb9348 | 16 | #include "internal/evp_int.h" |
54dbf423 | 17 | #include "internal/x509_int.h" |
cfcefcbe DSH |
18 | |
19 | /* Extract a private key from a PKCS8 structure */ | |
20 | ||
8afca8d9 | 21 | EVP_PKEY *EVP_PKCS82PKEY(PKCS8_PRIV_KEY_INFO *p8) |
cfcefcbe | 22 | { |
0f113f3e MC |
23 | EVP_PKEY *pkey = NULL; |
24 | ASN1_OBJECT *algoid; | |
25 | char obj_tmp[80]; | |
26 | ||
27 | if (!PKCS8_pkey_get0(&algoid, NULL, NULL, NULL, p8)) | |
28 | return NULL; | |
29 | ||
75ebbd9a | 30 | if ((pkey = EVP_PKEY_new()) == NULL) { |
0f113f3e MC |
31 | EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_MALLOC_FAILURE); |
32 | return NULL; | |
33 | } | |
34 | ||
35 | if (!EVP_PKEY_set_type(pkey, OBJ_obj2nid(algoid))) { | |
36 | EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM); | |
37 | i2t_ASN1_OBJECT(obj_tmp, 80, algoid); | |
38 | ERR_add_error_data(2, "TYPE=", obj_tmp); | |
39 | goto error; | |
40 | } | |
41 | ||
42 | if (pkey->ameth->priv_decode) { | |
43 | if (!pkey->ameth->priv_decode(pkey, p8)) { | |
44 | EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_PRIVATE_KEY_DECODE_ERROR); | |
45 | goto error; | |
46 | } | |
47 | } else { | |
48 | EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_METHOD_NOT_SUPPORTED); | |
49 | goto error; | |
50 | } | |
51 | ||
52 | return pkey; | |
53 | ||
54 | error: | |
55 | EVP_PKEY_free(pkey); | |
56 | return NULL; | |
cfcefcbe DSH |
57 | } |
58 | ||
59 | /* Turn a private key into a PKCS8 structure */ | |
60 | ||
54dbf423 | 61 | PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(EVP_PKEY *pkey) |
cfcefcbe | 62 | { |
54dbf423 DSH |
63 | PKCS8_PRIV_KEY_INFO *p8 = PKCS8_PRIV_KEY_INFO_new(); |
64 | if (p8 == NULL) { | |
65 | EVPerr(EVP_F_EVP_PKEY2PKCS8, ERR_R_MALLOC_FAILURE); | |
0f113f3e MC |
66 | return NULL; |
67 | } | |
0f113f3e MC |
68 | |
69 | if (pkey->ameth) { | |
70 | if (pkey->ameth->priv_encode) { | |
71 | if (!pkey->ameth->priv_encode(p8, pkey)) { | |
54dbf423 | 72 | EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_PRIVATE_KEY_ENCODE_ERROR); |
0f113f3e MC |
73 | goto error; |
74 | } | |
75 | } else { | |
54dbf423 | 76 | EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_METHOD_NOT_SUPPORTED); |
0f113f3e MC |
77 | goto error; |
78 | } | |
79 | } else { | |
54dbf423 | 80 | EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM); |
0f113f3e MC |
81 | goto error; |
82 | } | |
54dbf423 | 83 | RAND_add(p8->pkey->data, p8->pkey->length, 0.0); |
0f113f3e MC |
84 | return p8; |
85 | error: | |
86 | PKCS8_PRIV_KEY_INFO_free(p8); | |
87 | return NULL; | |
cfcefcbe DSH |
88 | } |
89 | ||
b6995add DSH |
90 | /* EVP_PKEY attribute functions */ |
91 | ||
92 | int EVP_PKEY_get_attr_count(const EVP_PKEY *key) | |
93 | { | |
0f113f3e | 94 | return X509at_get_attr_count(key->attributes); |
b6995add DSH |
95 | } |
96 | ||
0f113f3e | 97 | int EVP_PKEY_get_attr_by_NID(const EVP_PKEY *key, int nid, int lastpos) |
b6995add | 98 | { |
0f113f3e | 99 | return X509at_get_attr_by_NID(key->attributes, nid, lastpos); |
b6995add DSH |
100 | } |
101 | ||
102 | int EVP_PKEY_get_attr_by_OBJ(const EVP_PKEY *key, ASN1_OBJECT *obj, | |
0f113f3e | 103 | int lastpos) |
b6995add | 104 | { |
0f113f3e | 105 | return X509at_get_attr_by_OBJ(key->attributes, obj, lastpos); |
b6995add DSH |
106 | } |
107 | ||
108 | X509_ATTRIBUTE *EVP_PKEY_get_attr(const EVP_PKEY *key, int loc) | |
109 | { | |
0f113f3e | 110 | return X509at_get_attr(key->attributes, loc); |
b6995add DSH |
111 | } |
112 | ||
113 | X509_ATTRIBUTE *EVP_PKEY_delete_attr(EVP_PKEY *key, int loc) | |
114 | { | |
0f113f3e | 115 | return X509at_delete_attr(key->attributes, loc); |
b6995add DSH |
116 | } |
117 | ||
118 | int EVP_PKEY_add1_attr(EVP_PKEY *key, X509_ATTRIBUTE *attr) | |
119 | { | |
0f113f3e MC |
120 | if (X509at_add1_attr(&key->attributes, attr)) |
121 | return 1; | |
122 | return 0; | |
b6995add DSH |
123 | } |
124 | ||
125 | int EVP_PKEY_add1_attr_by_OBJ(EVP_PKEY *key, | |
0f113f3e MC |
126 | const ASN1_OBJECT *obj, int type, |
127 | const unsigned char *bytes, int len) | |
b6995add | 128 | { |
0f113f3e MC |
129 | if (X509at_add1_attr_by_OBJ(&key->attributes, obj, type, bytes, len)) |
130 | return 1; | |
131 | return 0; | |
b6995add DSH |
132 | } |
133 | ||
134 | int EVP_PKEY_add1_attr_by_NID(EVP_PKEY *key, | |
0f113f3e MC |
135 | int nid, int type, |
136 | const unsigned char *bytes, int len) | |
b6995add | 137 | { |
0f113f3e MC |
138 | if (X509at_add1_attr_by_NID(&key->attributes, nid, type, bytes, len)) |
139 | return 1; | |
140 | return 0; | |
b6995add DSH |
141 | } |
142 | ||
143 | int EVP_PKEY_add1_attr_by_txt(EVP_PKEY *key, | |
0f113f3e MC |
144 | const char *attrname, int type, |
145 | const unsigned char *bytes, int len) | |
b6995add | 146 | { |
0f113f3e MC |
147 | if (X509at_add1_attr_by_txt(&key->attributes, attrname, type, bytes, len)) |
148 | return 1; | |
149 | return 0; | |
b6995add | 150 | } |