109 lines
4.0 KiB
C++
109 lines
4.0 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef TRUSTY_GATEKEEPER_H
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#define TRUSTY_GATEKEEPER_H
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#include <memory>
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#include <aidl/android/hardware/gatekeeper/BnGatekeeper.h>
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#include <gatekeeper/gatekeeper_messages.h>
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#include "gatekeeper_ipc.h"
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namespace aidl::android::hardware::gatekeeper {
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using aidl::android::hardware::gatekeeper::GatekeeperEnrollResponse;
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using aidl::android::hardware::gatekeeper::GatekeeperVerifyResponse;
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using ::gatekeeper::DeleteAllUsersRequest;
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using ::gatekeeper::DeleteAllUsersResponse;
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using ::gatekeeper::DeleteUserRequest;
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using ::gatekeeper::DeleteUserResponse;
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using ::gatekeeper::EnrollRequest;
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using ::gatekeeper::EnrollResponse;
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using ::gatekeeper::gatekeeper_error_t;
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using ::gatekeeper::GateKeeperMessage;
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using ::gatekeeper::VerifyRequest;
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using ::gatekeeper::VerifyResponse;
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class TrustyGateKeeperDevice : public BnGatekeeper {
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public:
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explicit TrustyGateKeeperDevice();
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~TrustyGateKeeperDevice();
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/**
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* Enrolls password_payload, which should be derived from a user selected pin or password,
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* with the authentication factor private key used only for enrolling authentication
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* factor data.
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*
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* Returns: 0 on success or an error code less than 0 on error.
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* On error, enrolled_password_handle will not be allocated.
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*/
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::ndk::ScopedAStatus enroll(int32_t uid, const std::vector<uint8_t>& currentPasswordHandle,
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const std::vector<uint8_t>& currentPassword,
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const std::vector<uint8_t>& desiredPassword,
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GatekeeperEnrollResponse* _aidl_return) override;
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/**
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* Verifies provided_password matches enrolled_password_handle.
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*
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* Implementations of this module may retain the result of this call
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* to attest to the recency of authentication.
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*
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* On success, writes the address of a verification token to auth_token,
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* usable to attest password verification to other trusted services. Clients
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* may pass NULL for this value.
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*
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* Returns: 0 on success or an error code less than 0 on error
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* On error, verification token will not be allocated
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*/
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::ndk::ScopedAStatus verify(int32_t uid, int64_t challenge,
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const std::vector<uint8_t>& enrolledPasswordHandle,
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const std::vector<uint8_t>& providedPassword,
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GatekeeperVerifyResponse* _aidl_return) override;
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::ndk::ScopedAStatus deleteAllUsers() override;
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::ndk::ScopedAStatus deleteUser(int32_t uid) override;
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private:
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gatekeeper_error_t Send(uint32_t command, const GateKeeperMessage& request,
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GateKeeperMessage* response);
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gatekeeper_error_t Send(const EnrollRequest& request, EnrollResponse* response) {
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return Send(GK_ENROLL, request, response);
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}
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gatekeeper_error_t Send(const VerifyRequest& request, VerifyResponse* response) {
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return Send(GK_VERIFY, request, response);
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}
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gatekeeper_error_t Send(const DeleteUserRequest& request, DeleteUserResponse* response) {
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return Send(GK_DELETE_USER, request, response);
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}
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gatekeeper_error_t Send(const DeleteAllUsersRequest& request,
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DeleteAllUsersResponse* response) {
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return Send(GK_DELETE_ALL_USERS, request, response);
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}
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int error_;
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};
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} // namespace aidl::android::hardware::gatekeeper
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#endif
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