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 28 namespace android { 29 namespace hardware { 30 namespace confirmationui { 31 namespace V1_0 { 32 namespace implementation { 33 34 struct MonotonicClockTimeStamper { 35 class TimeStamp { 36 public: TimeStampMonotonicClockTimeStamper37 explicit TimeStamp(uint64_t ts) : timestamp_(ts), ok_(true) {} TimeStampMonotonicClockTimeStamper38 TimeStamp() : timestamp_(0), ok_(false) {} isOkMonotonicClockTimeStamper39 bool isOk() const { return ok_; } uint64_tMonotonicClockTimeStamper40 operator const uint64_t() const { return timestamp_; } 41 42 private: 43 uint64_t timestamp_; 44 bool ok_; 45 }; 46 static TimeStamp now(); 47 }; 48 49 class 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 56 class MyOperation : public generic::Operation<sp<IConfirmationResultCallback>, 57 MonotonicClockTimeStamper, HMacImplementation> { 58 public: get()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