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      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_KDF2_H_
     18 #define SYSTEM_KEYMASTER_KDF2_H_
     19 
     20 #include "iso18033kdf.h"
     21 
     22 #include <hardware/keymaster_defs.h>
     23 
     24 #include <keymaster/serializable.h>
     25 
     26 #include <UniquePtr.h>
     27 
     28 namespace keymaster {
     29 
     30 /**
     31  * Kdf2 is instance of Iso18033Kdf when the counter starts at 1.
     32  */
     33 class Kdf2 : public Iso18033Kdf {
     34   public:
     35     Kdf2() : Iso18033Kdf(1) {}
     36 };
     37 
     38 }  // namespace keymaster
     39 
     40 #endif  // SYSTEM_KEYMASTER_KDF2_H_
     41