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Title: Open-TEE is no longer virtual: Towards software-only trusted execution environments using white-box cryptography
Authors: Bıçakcı, Kemal
Ak, I. K.
Özdemir, B. A.
Gözütok, M.
Keywords: Open-TEE
secure storage
SPACE algorithm
trusted execution environment
white-box cryptography
Issue Date: Dec-2019
Publisher: Institute of Electrical and Electronics Engineers Inc.
Source: Bicakci, K., Ak, I. K., Ozdemir, B. A. and Gozutok, M. (2019, December). Open-TEE is No Longer Virtual: Towards Software-Only Trusted Execution Environments Using White-Box Cryptography. In 2019 First IEEE International Conference on Trust, Privacy and Security in Intelligent Systems and Applications (TPS-ISA) (pp. 177-183). IEEE.
Abstract: Trusted Execution Environments (TEEs) provide hardware support to isolate the execution of sensitive operations on mobile phones for improved security. However, they are not always available to use for application developers. To provide a consistent user experience to those who have and do not have a TEE-enabled device, we could get help from Open-TEE, an open-source GlobalPlatform (GP)-compliant software TEE emulator. However, Open-TEE does not offer any of the security properties hardware TEEs have. In this paper, we propose WhiteBox-TEE which integrates white-box cryptography with Open-TEE to provide better security while still remaining complaint with GP TEE specifications. We discuss the architecture, provisioning mechanism, implementation highlights, security properties and performance issues of WhiteBox-TEE and propose possible revisions to TEE specifications to have better use of white-box cryptography in software-only TEEs. © 2019 IEEE.
Appears in Collections:Bilgisayar Mühendisliği Bölümü / Department of Computer Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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