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      1 /* Copyright 2017 The Android Open Source Project
      2  *
      3  * Redistribution and use in source and binary forms, with or without
      4  * modification, are permitted provided that the following conditions
      5  * are met:
      6  * 1. Redistributions of source code must retain the above copyright
      7  *    notice, this list of conditions and the following disclaimer.
      8  * 2. Redistributions in binary form must reproduce the above copyright
      9  *    notice, this list of conditions and the following disclaimer in the
     10  *    documentation and/or other materials provided with the distribution.
     11  *
     12  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
     13  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     14  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     15  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY
     16  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     17  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     18  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     19  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     20  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     21  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
     22 
     23 #ifndef ANDROID_KEYSTORE_BACKEND_HIDL_H
     24 #define ANDROID_KEYSTORE_BACKEND_HIDL_H
     25 
     26 #include "keystore_backend.h"
     27 
     28 class KeystoreBackendHidl : public KeystoreBackend {
     29   public:
     30     KeystoreBackendHidl() {}
     31     virtual ~KeystoreBackendHidl() {}
     32     int32_t sign(const char *key_id, const uint8_t* in, size_t len,
     33                  uint8_t** reply, size_t* reply_len) override;
     34     int32_t get_pubkey(const char *key_id, uint8_t** pubkey,
     35                      size_t* reply_len) override;
     36 };
     37 
     38 #endif  // ANDROID_KEYSTORE_BACKEND_HIDL_H
     39