1/* 2** 3** Copyright 2017, The Android Open Source Project 4** 5** Licensed under the Apache License, Version 2.0 (the "License"); 6** you may not use this file except in compliance with the License. 7** You may obtain a copy of the License at 8** 9** http://www.apache.org/licenses/LICENSE-2.0 10** 11** Unless required by applicable law or agreed to in writing, software 12** distributed under the License is distributed on an "AS IS" BASIS, 13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14** See the License for the specific language governing permissions and 15** limitations under the License. 16*/ 17 18#ifndef CONFIRMATIONUI_1_0_DEFAULT_PLATFORMSPECIFICS_H_ 19#define CONFIRMATIONUI_1_0_DEFAULT_PLATFORMSPECIFICS_H_ 20 21#include <stdint.h> 22#include <time.h> 23 24#include <android/hardware/confirmationui/1.0/IConfirmationResultCallback.h> 25#include <android/hardware/confirmationui/1.0/generic/GenericOperation.h> 26#include <android/hardware/confirmationui/support/confirmationui_utils.h> 27 28namespace android { 29namespace hardware { 30namespace confirmationui { 31namespace V1_0 { 32namespace implementation { 33 34struct MonotonicClockTimeStamper { 35 class TimeStamp { 36 public: 37 explicit TimeStamp(uint64_t ts) : timestamp_(ts), ok_(true) {} 38 TimeStamp() : timestamp_(0), ok_(false) {} 39 bool isOk() const { return ok_; } 40 operator const uint64_t() const { return timestamp_; } 41 42 private: 43 uint64_t timestamp_; 44 bool ok_; 45 }; 46 static TimeStamp now(); 47}; 48 49class HMacImplementation { 50 public: 51 static support::NullOr<support::hmac_t> hmac256( 52 const support::auth_token_key_t& key, 53 std::initializer_list<support::ByteBufferProxy> buffers); 54}; 55 56class MyOperation : public generic::Operation<sp<IConfirmationResultCallback>, 57 MonotonicClockTimeStamper, HMacImplementation> { 58 public: 59 static MyOperation& get() { 60 static MyOperation op; 61 return op; 62 } 63}; 64 65} // namespace implementation 66} // namespace V1_0 67} // namespace confirmationui 68} // namespace hardware 69} // namespace android 70 71#endif // CONFIRMATIONUI_1_0_DEFAULT_PLATFORMSPECIFICS_H_ 72