1 /*
2  * Copyright 2015 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef SYSTEM_KEYMASTER_AUTH_ENCRYPTED_KEY_BLOB_H_
18 #define SYSTEM_KEYMASTER_AUTH_ENCRYPTED_KEY_BLOB_H_
19 
20 #include <hardware/keymaster_defs.h>
21 
22 namespace keymaster {
23 
24 class AuthorizationSet;
25 class Buffer;
26 struct KeymasterKeyBlob;
27 
28 keymaster_error_t SerializeAuthEncryptedBlob(const KeymasterKeyBlob& encrypted_key_material,
29                                              const AuthorizationSet& hw_enforced,
30                                              const AuthorizationSet& sw_enforced,
31                                              const Buffer& nonce, const Buffer& tag,
32                                              KeymasterKeyBlob* key_blob);
33 
34 keymaster_error_t DeserializeAuthEncryptedBlob(const KeymasterKeyBlob& key_blob,
35                                                KeymasterKeyBlob* encrypted_key_material,
36                                                AuthorizationSet* hw_enforced,
37                                                AuthorizationSet* sw_enforced, Buffer* nonce,
38                                                Buffer* tag);
39 
40 }  // namespace keymaster
41 
42 #endif  // SYSTEM_KEYMASTER_AUTH_ENCRYPTED_KEY_BLOB_H_
43