1 /*############################################################################ 2 # Copyright 2016-2017 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 17 /*! 18 * \file 19 * \brief EcPoint C++ wrapper interface. 20 */ 21 #ifndef EPID_COMMON_TESTHELPER_ECPOINT_WRAPPER_TESTHELPER_H_ 22 #define EPID_COMMON_TESTHELPER_ECPOINT_WRAPPER_TESTHELPER_H_ 23 24 #include <memory> 25 #include <vector> 26 27 extern "C" { 28 #include "epid/common/1.1/types.h" 29 #include "epid/common/math/bignum.h" 30 #include "epid/common/math/ecgroup.h" 31 } 32 33 class EcGroupObj; 34 35 /*! 36 Wrapper class to provide Resource Allocation is Initialization handling 37 for EcPoint 38 */ 39 class EcPointObj { 40 public: 41 /// constructor 42 EcPointObj(); 43 /// copy constructor 44 EcPointObj(EcPointObj const& other); 45 /// assignment operator 46 EcPointObj& operator=(EcPointObj const& other); 47 /// Create an EcPoint 48 explicit EcPointObj(EcGroupObj* group); 49 /// Create an EcPoint 50 EcPointObj(EcGroupObj* group, G1ElemStr const& bytes); 51 /// Create an EcPoint 52 EcPointObj(EcGroupObj* group, G2ElemStr const& bytes); 53 /// Create an EcPoint 54 EcPointObj(EcGroupObj* group, Epid11G2ElemStr const& bytes); 55 /// Create an EcPoint 56 EcPointObj(EcGroupObj* group, std::vector<unsigned char> const& bytes); 57 /// Create an EcPoint 58 EcPointObj(EcGroupObj* group, void const* bytes, size_t size); 59 /// Destroy the EcPoint 60 ~EcPointObj(); 61 /// cast operator to get the pointer to the stored EcPoint 62 operator EcPoint*(); 63 /// const cast operator to get the pointer to the stored EcPoint 64 operator const EcPoint*() const; 65 /// Get the underlying pointer 66 EcPoint* get(); 67 /// Get the underlying pointer 68 EcPoint const* getc() const; 69 /// Get element bytes 70 std::vector<unsigned char> data() const; 71 72 private: 73 void init(EcGroupObj* group, unsigned char const* bytes, size_t size); 74 struct State; 75 std::unique_ptr<State> state_; 76 }; 77 78 #endif // EPID_COMMON_TESTHELPER_ECPOINT_WRAPPER_TESTHELPER_H_ 79