کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
456220 | 695675 | 2008 | 19 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Enforcing memory policy specifications in reconfigurable hardware
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی کامپیوتر
شبکه های کامپیوتری و ارتباطات
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
While general-purpose processor based systems are built to enforce memory protection to prevent the unintended sharing of data between processes, current systems built around reconfigurable hardware typically offer no such protection. Several reconfigurable cores are often integrated onto a single chip where they share external resources such as memory. While this enables small form factor and low cost designs, it opens up the opportunity for modules to intercept or even interfere with the operation of one another. We investigate the design and synthesis of an FPGA memory protection mechanism capable of enforcing access control policies and a methodology for translating formal policy descriptions into FPGA enforcement mechanisms. The efficiency of our access language design flow is evaluated in terms of area and cycle time across a variety of security scenarios. We also describe a technique for ensuring that the internal state of the reference monitor cannot be used as a covert storage channel.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computers & Security - Volume 27, Issues 5â6, October 2008, Pages 197-215
Journal: Computers & Security - Volume 27, Issues 5â6, October 2008, Pages 197-215
نویسندگان
Ted Huffmire, Timothy Sherwood, Ryan Kastner, Timothy Levin,