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CS 6501- Overshadow Response Michael Deighan (9/1/09)

CS 6501- Overshadow Response Michael Deighan (9/1/09). Goals application authenticity execution integrity data privacy Options Overshadow extension CHAOS LOKI INVISIOS. Overshadow Extension. Towards Application Security on Untrusted Operating Systems Dan R. K. Ports and Tal Garfinkel.

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CS 6501- Overshadow Response Michael Deighan (9/1/09)

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  1. CS 6501- Overshadow ResponseMichael Deighan (9/1/09) • Goals • application authenticity • execution integrity • data privacy • Options • Overshadow extension • CHAOS • LOKI • INVISIOS

  2. Overshadow Extension Towards Application Security on Untrusted Operating Systems Dan R. K. Ports and Tal Garfinkel • Use shim to protect: • file system • inter-process communications • process management • time and randomness • I/O and trusted paths • identity management • error handling http://www.usenix.org/events/hotsec08/tech/full_papers/ports/ports.pdf

  3. CHAOS Tamper-Resistant Execution in an Untrusted Operating System Using a Virtual Machine Monitor Haibo Chen, Fengzhe Zhang, Cheng Chen, Ziye Yang, Rong Chen, Binyu Zang http://ppi.fudan.edu.cn/system/publications/paper/chaos-ppi-tr.pdf

  4. LOKI Hardware Enforcement of Application Security Policies Using Tagged Memory Nickolai Zeldovich, Hari Kannan, Michael Dalton, and Christos Kozyrakis http://www.usenix.org/events/osdi08/tech/full_papers/zeldovich/zeldovich_html/

  5. INVISIOS INVISIOS: A Lightweight, Minimally Intrusive Secure Execution Environment Divya Arora, Najwa Aaraj, Anand Raghunathan, Niraj K. Jha http://www.princeton.edu/~jha/files/CE-J09-001.pdf

  6. Discussion • What are the pros and cons of each option? • How will each affect application development? • Which option deserves further investigation?

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