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Credential Disabling from Trusted Execution Environments

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Information Security Technology for Applications (NordSec 2010)

Part of the book series: Lecture Notes in Computer Science ((LNSC,volume 7127))

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Abstract

A generic credential platform realized using a hardware- based trusted execution environment (TrEE) provides a usable and inexpensive way to secure various applications and services. An important requirement for any credential platform is the ability to disable and restore credentials. In this paper, we raise the problem of temporary credential disabling from embedded TrEEs and explain why straightforward solutions fall short. We present two novel credential disabling approaches: one based on the presence check of a personal element, such as SIM card, and another utilizing a semi-trusted server. We have implemented the server-based credential disabling solution for mobile phones with M-Shield TrEE.

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Kostiainen, K., Asokan, N., Ekberg, JE. (2012). Credential Disabling from Trusted Execution Environments. In: Aura, T., Järvinen, K., Nyberg, K. (eds) Information Security Technology for Applications. NordSec 2010. Lecture Notes in Computer Science, vol 7127. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27937-9_12

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  • DOI: https://doi.org/10.1007/978-3-642-27937-9_12

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-27936-2

  • Online ISBN: 978-3-642-27937-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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