JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) ›› 2017, Vol. 52 ›› Issue (6): 92-98.doi: 10.6040/j.issn.1671-9352.2.2016.219

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A key management mechanism basedon TrustZone architecture

CUI Xiao-yu1,2, ZHAO Bo1,2*, FAN Pei-ru1,2, XIAO Yu1,2   

  1. 1. Computer School, Wuhan University, Wuhan 430072, Hubei, China;
    2. Key Laboratory of Aerospace Information Security and Trusted Computing of Ministry of Education, Wuhan University, Wuhan 430072, Hubei, China
  • Received:2016-08-16 Online:2017-06-20 Published:2017-06-21

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Abstract: Aiming at the lack of encryption protection for user privacy data on embedded devices, a key management mechanism is proposed in TrustZone architecture. Combined with Physical Unclonable Function(PUF)technology and the users PIN to generate the user key related to both device and user, the confidentiality and integrity of privacy data is protected. Meanwhile, a relatively thorough key management mechanism is designed formutli-user data protection scene in public embedded device to realize key generation, storage, update and destroy. Finally, this multi-user key management moduleisgiven and realizedin TrustZone. And its security and efficiencyis analyzed by experiments. The experiment result show that the mechanism is reliable secure and has high key management efficiency.

Key words: TrustZone, key management, data privacy, PUF

CLC Number: 

  • TP309
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