2 * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
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
12 #include "internal/cryptlib.h"
13 #include <openssl/x509.h>
14 #include <openssl/rand.h>
15 #include "internal/asn1_int.h"
16 #include "internal/evp_int.h"
17 #include "internal/x509_int.h"
19 /* Extract a private key from a PKCS8 structure */
21 EVP_PKEY *EVP_PKCS82PKEY(const PKCS8_PRIV_KEY_INFO *p8)
23 EVP_PKEY *pkey = NULL;
24 const ASN1_OBJECT *algoid;
27 if (!PKCS8_pkey_get0(&algoid, NULL, NULL, NULL, p8))
30 if ((pkey = EVP_PKEY_new()) == NULL) {
31 EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_MALLOC_FAILURE);
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);
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);
48 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_METHOD_NOT_SUPPORTED);
59 /* Turn a private key into a PKCS8 structure */
61 PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(EVP_PKEY *pkey)
63 PKCS8_PRIV_KEY_INFO *p8 = PKCS8_PRIV_KEY_INFO_new();
65 EVPerr(EVP_F_EVP_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
70 if (pkey->ameth->priv_encode) {
71 if (!pkey->ameth->priv_encode(p8, pkey)) {
72 EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_PRIVATE_KEY_ENCODE_ERROR);
76 EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_METHOD_NOT_SUPPORTED);
80 EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
83 RAND_add(p8->pkey->data, p8->pkey->length, 0.0);
86 PKCS8_PRIV_KEY_INFO_free(p8);
90 /* EVP_PKEY attribute functions */
92 int EVP_PKEY_get_attr_count(const EVP_PKEY *key)
94 return X509at_get_attr_count(key->attributes);
97 int EVP_PKEY_get_attr_by_NID(const EVP_PKEY *key, int nid, int lastpos)
99 return X509at_get_attr_by_NID(key->attributes, nid, lastpos);
102 int EVP_PKEY_get_attr_by_OBJ(const EVP_PKEY *key, const ASN1_OBJECT *obj,
105 return X509at_get_attr_by_OBJ(key->attributes, obj, lastpos);
108 X509_ATTRIBUTE *EVP_PKEY_get_attr(const EVP_PKEY *key, int loc)
110 return X509at_get_attr(key->attributes, loc);
113 X509_ATTRIBUTE *EVP_PKEY_delete_attr(EVP_PKEY *key, int loc)
115 return X509at_delete_attr(key->attributes, loc);
118 int EVP_PKEY_add1_attr(EVP_PKEY *key, X509_ATTRIBUTE *attr)
120 if (X509at_add1_attr(&key->attributes, attr))
125 int EVP_PKEY_add1_attr_by_OBJ(EVP_PKEY *key,
126 const ASN1_OBJECT *obj, int type,
127 const unsigned char *bytes, int len)
129 if (X509at_add1_attr_by_OBJ(&key->attributes, obj, type, bytes, len))
134 int EVP_PKEY_add1_attr_by_NID(EVP_PKEY *key,
136 const unsigned char *bytes, int len)
138 if (X509at_add1_attr_by_NID(&key->attributes, nid, type, bytes, len))
143 int EVP_PKEY_add1_attr_by_txt(EVP_PKEY *key,
144 const char *attrname, int type,
145 const unsigned char *bytes, int len)
147 if (X509at_add1_attr_by_txt(&key->attributes, attrname, type, bytes, len))