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/*
* Copyright 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SOFT_GATEKEEPER_DEVICE_H_
#define SOFT_GATEKEEPER_DEVICE_H_
#include <android/hardware/gatekeeper/1.0/IGatekeeper.h>
#include <hidl/Status.h>
#include <memory>
#include "SoftGateKeeper.h"
namespace android {
/**
* Software based GateKeeper implementation
*/
class SoftGateKeeperDevice : public ::android::hardware::gatekeeper::V1_0::IGatekeeper {
public:
SoftGateKeeperDevice() { impl_.reset(new ::gatekeeper::SoftGateKeeper()); }
// Wrappers to translate the gatekeeper HAL API to the Kegyuard Messages API.
/**
* Enrolls password_payload, which should be derived from a user selected pin or password,
* with the authentication factor private key used only for enrolling authentication
* factor data.
*
* Returns: 0 on success or an error code less than 0 on error.
* On error, enrolled_password_handle will not be allocated.
*/
::android::hardware::Return<void> enroll(
uint32_t uid, const ::android::hardware::hidl_vec<uint8_t>& currentPasswordHandle,
const ::android::hardware::hidl_vec<uint8_t>& currentPassword,
const ::android::hardware::hidl_vec<uint8_t>& desiredPassword,
enroll_cb _hidl_cb) override;
/**
* Verifies provided_password matches enrolled_password_handle.
*
* Implementations of this module may retain the result of this call
* to attest to the recency of authentication.
*
* On success, writes the address of a verification token to auth_token,
* usable to attest password verification to other trusted services. Clients
* may pass NULL for this value.
*
* Returns: 0 on success or an error code less than 0 on error
* On error, verification token will not be allocated
*/
::android::hardware::Return<void> verify(
uint32_t uid, uint64_t challenge,
const ::android::hardware::hidl_vec<uint8_t>& enrolledPasswordHandle,
const ::android::hardware::hidl_vec<uint8_t>& providedPassword,
verify_cb _hidl_cb) override;
::android::hardware::Return<void> deleteUser(uint32_t uid, deleteUser_cb _hidl_cb) override;
::android::hardware::Return<void> deleteAllUsers(deleteAllUsers_cb _hidl_cb) override;
private:
std::unique_ptr<::gatekeeper::SoftGateKeeper> impl_;
};
} // namespace android
#endif // SOFT_GATEKEEPER_DEVICE_H_
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