基於Trustzone的智慧型設備語音隱私保護系統;A Trustzone-based Vocal Privacy Protection System for Smart Devices

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题名:	基於Trustzone的智慧型設備語音隱私保護系統;A Trustzone-based Vocal Privacy Protection System for Smart Devices
作者:	賴伯誠;Lai, Po-Cheng
贡献者:	資訊工程學系
关键词:	智慧音箱;可信執行環境;隱私保護;Smart Devices;Trustzone;Trusted Execution Environment;Privacy Protection
日期:	2020-08-20
上传时间:	2020-09-02 18:09:33 (UTC+8)
出版者:	國立中央大學
摘要:	近年來智慧音箱市場快速擴張，在2019年銷量年增70%，創下歷史新高；智慧音箱除了播放音樂，還可藉由網路連線對人們的生活進行各種商品推薦，並能與其他智慧家電串聯，利用語音操控這些家電運作。5G正式上路後帶來更大的頻寬。更多的智慧裝置透過網路與雲端連線，取得服務，同時也將用戶隱私內容曝露於高度風險中。如今，大多數基於ARM晶片的智慧型設備都具有稱為TrustZone的硬體隔離技術。本論文利用開源軟體OP-TEE結合ARM TrustZone實現保護智慧音箱用戶之錄音內容的安全性。;In recent years, the smart speaker market has expanded rapidly, with sales increasing by 70% annually in 2019, setting a record high. In addition to playing music, smart speakers can also recommend various products to people′s lives through network connections, and can be connected with other smart appliances to use voice to control the operation of these appliances. After 5G is officially launched, it will bring more bandwidth, more smart devices will connect to the cloud through the network to obtain services, and expose user privacy content to a high degree of risk at the same time. Today, most smart devices based on ARM chips have a hardware isolation technology called TrustZone. This paper uses the open source OP-TEE combined with ARM TrustZone to protect the security of the recording content of smart speaker users.
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