NDLI: Efficient dynamic information flow tracking on a processor with core debug interface

Content Provider	IEEE Xplore Digital Library
Author	Jinyong Lee Ingoo Heo Yongje Lee Yunheung Paek
Copyright Year	2015
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Seoul Nat. Univ., Seoul, South Korea (Jinyong Lee; Ingoo Heo; Yongje Lee; Yunheung Paek)
Abstract	Dynamic information flow tracking (DIFT) is a promising solution to prevent various attacks on software running on a processor. Previous hardware solutions usually mandate drastic change to internal processor architecture. More recent ones to minimize the change have proposed external devices for DIFT. However, these approaches intrinsically suffer from the high overhead to communicate with their external devices. Consequently, they either significantly lose performance, or inevitably make invasive modifications to the processor inside. Our solution also rely on external hardware for DIFT, but unlike theirs, ours exploits the core debug interface (CDI) to tackle the communication issue. CDI is provided in most commercial processors for debugging so that we were able to build our system simply by plugging our hardware to the processor via CDI, precluding the need for altering the processor itself. Experiments show that our hardware efficiently performs DIFT mainly thanks to the support of CDI that helps us cut substantially down the communication costs.
Starting Page	1
Ending Page	6
File Size	243004
Page Count	6
File Format	PDF
ISBN	9781479980529
DOI	10.1145/2744769.2744830
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Association for Computing Machinery, Inc. (ACM)
Subject Keyword	Engines Hardware Registers Runtime Kernel Computer architecture Cryptography Core Debug Interface Dynamic Information Flow Tracking
Content Type	Text
Resource Type	Article

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