1 /*
2  * Copyright (C) 2009 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 __KEYSTORE_GET_H__
18 #define __KEYSTORE_GET_H__
19 
20 #include <sys/types.h>
21 
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25 
26 /* This function is provided for native components to get values from keystore.
27  * Users are required to link against libkeystore_binder.
28  *
29  * Keys and values are 8-bit safe. The first two arguments are the key and its
30  * length. The third argument is a pointer to an array that will be malloc()
31  * and the caller is responsible for calling free() on the buffer.
32  */
33 ssize_t keystore_get(const char* key, size_t length, uint8_t** value);
34 
35 #ifdef __cplusplus
36 }
37 #endif
38 
39 #endif
40