76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
/*
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* Copyright 2015 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 SOFT_GATEKEEPER_DEVICE_H_
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#define SOFT_GATEKEEPER_DEVICE_H_
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#include "SoftGateKeeper.h"
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#include <UniquePtr.h>
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using namespace gatekeeper;
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namespace android {
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/**
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* Software based GateKeeper implementation
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*/
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class SoftGateKeeperDevice {
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public:
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SoftGateKeeperDevice() {
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impl_.reset(new SoftGateKeeper());
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}
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// Wrappers to translate the gatekeeper HAL API to the Kegyuard Messages API.
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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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int enroll(uint32_t uid,
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const uint8_t *current_password_handle, uint32_t current_password_handle_length,
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const uint8_t *current_password, uint32_t current_password_length,
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const uint8_t *desired_password, uint32_t desired_password_length,
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uint8_t **enrolled_password_handle, uint32_t *enrolled_password_handle_length);
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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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int verify(uint32_t uid, uint64_t challenge,
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const uint8_t *enrolled_password_handle, uint32_t enrolled_password_handle_length,
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const uint8_t *provided_password, uint32_t provided_password_length,
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uint8_t **auth_token, uint32_t *auth_token_length, bool *request_reenroll);
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private:
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UniquePtr<SoftGateKeeper> impl_;
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};
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} // namespace gatekeeper
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#endif //SOFT_GATEKEEPER_DEVICE_H_
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