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      1 /*############################################################################
      2 # Copyright 2017 Intel Corporation
      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 /// Tpm2Ctx wrapper class.
     17 /*! \file */
     18 #ifndef EPID_MEMBER_TPM2_UNITTESTS_TPM2_WRAPPER_TESTHELPER_H_
     19 #define EPID_MEMBER_TPM2_UNITTESTS_TPM2_WRAPPER_TESTHELPER_H_
     20 
     21 #include <stdint.h>
     22 #include <vector>
     23 
     24 extern "C" {
     25 #include "epid/common/bitsupplier.h"
     26 #include "epid/common/types.h"
     27 }
     28 
     29 typedef struct Tpm2Ctx Tpm2Ctx;
     30 class Epid2ParamsObj;
     31 
     32 /// C++ Wrapper to manage memory for Tpm2Ctx via RAII
     33 class Tpm2CtxObj {
     34  public:
     35   /// Create a Tpm2Ctx
     36   Tpm2CtxObj(BitSupplier rnd_func, void* rnd_param, const FpElemStr* f,
     37              class Epid2ParamsObj const& params);
     38 
     39   // This class instances are not meant to be copied.
     40   // Explicitly delete copy constructor and assignment operator.
     41   Tpm2CtxObj(const Tpm2CtxObj&) = delete;
     42   Tpm2CtxObj& operator=(const Tpm2CtxObj&) = delete;
     43 
     44   /// Destroy the Tpm2Ctx
     45   ~Tpm2CtxObj();
     46   /// get a pointer to the stored Tpm2Ctx
     47   Tpm2Ctx* ctx() const;
     48   /// cast operator to get the pointer to the stored Tpm2Ctx
     49   operator Tpm2Ctx*() const;
     50   /// const cast operator to get the pointer to the stored Tpm2Ctx
     51   operator const Tpm2Ctx*() const;
     52 
     53  private:
     54   /// The stored Tpm2Ctx
     55   Tpm2Ctx* ctx_;
     56 };
     57 
     58 #endif  // EPID_MEMBER_TPM2_UNITTESTS_TPM2_WRAPPER_TESTHELPER_H_
     59