1 // 2 // Copyright (C) 2015 The Android Open Source Project 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 #ifndef TPM_MANAGER_SERVER_TPM_INITIALIZER_H_ 18 #define TPM_MANAGER_SERVER_TPM_INITIALIZER_H_ 19 20 namespace tpm_manager { 21 22 // TpmInitializer performs initialization tasks on some kind of TPM device. 23 class TpmInitializer { 24 public: 25 TpmInitializer() = default; 26 virtual ~TpmInitializer() = default; 27 28 // Initializes a TPM and returns true on success. If the TPM is already 29 // initialized, this method has no effect and succeeds. If the TPM is 30 // partially initialized, e.g. the process was previously interrupted, then 31 // the process picks up where it left off. 32 virtual bool InitializeTpm() = 0; 33 34 // This will be called when the service is initializing. It is an early 35 // opportunity to perform tasks related to verified boot. 36 virtual void VerifiedBootHelper() = 0; 37 38 // Reset the state of TPM dictionary attack protection. Returns true on 39 // success. 40 virtual bool ResetDictionaryAttackLock() = 0; 41 }; 42 43 } // namespace tpm_manager 44 45 #endif // TPM_MANAGER_SERVER_TPM_INITIALIZER_H_ 46