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      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