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50 lines
1.6 KiB
50 lines
1.6 KiB
/*
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* Copyright (C) 2024 The LineageOS Project
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <aidl/android/hardware/keymaster/HardwareAuthToken.h>
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#include <hardware/hw_auth_token.h>
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#include <endian.h>
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using aidl::android::hardware::keymaster::HardwareAuthToken;
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namespace aidl {
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namespace android {
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namespace hardware {
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namespace biometrics {
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namespace fingerprint {
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inline void translate(const HardwareAuthToken& authToken, hw_auth_token_t& hat) {
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hat.challenge = authToken.challenge;
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hat.user_id = authToken.userId;
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hat.authenticator_id = authToken.authenticatorId;
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// these are in host order: translate to network order
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hat.authenticator_type = htobe32(static_cast<uint32_t>(authToken.authenticatorType));
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hat.timestamp = htobe64(authToken.timestamp.milliSeconds);
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std::copy(authToken.mac.begin(), authToken.mac.end(), hat.hmac);
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}
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inline void translate(const hw_auth_token_t& hat, HardwareAuthToken& authToken) {
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authToken.challenge = hat.challenge;
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authToken.userId = hat.user_id;
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authToken.authenticatorId = hat.authenticator_id;
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// these are in network order: translate to host
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authToken.authenticatorType =
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static_cast<keymaster::HardwareAuthenticatorType>(
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be32toh(hat.authenticator_type));
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authToken.timestamp.milliSeconds = be64toh(hat.timestamp);
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authToken.mac.insert(authToken.mac.begin(), std::begin(hat.hmac),
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std::end(hat.hmac));
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}
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} // namespace fingerprint
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} // namespace biometrics
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} // namespace hardware
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} // namespace android
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} // namespace aidl
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