Graduate Commencement
Schedule
Students at Commencement
The Graduate Commencement Ceremony will take place on Friday, May 23, 2008, at 2:00 p.m. in the Mullins Center.
Candidates must check in between 12:30 and 1:00 p.m., wearing Regalia, at the tent set up to the west of the Mullins Center. At this time, final instructions for the procession will be given. Strollers, baby carriers, food and drink are not permitted in the student seating area. No purses, briefcases, or extra clothing should be carried into the arena; the University cannot be responsible for lost or stolen property.
Your name will be read as you walk across the stage, and we would like to pronounce your name correctly. If it would be helpful for the reader to hear your name spoken, please call 413-577-6221. If you have any problems, call the Graduate School at 413-545-0024.
Guests should be seated by 1:30 p.m., as the processional will begin promptly at 1:45 p.m.
A reception is planned for the graduate degree recipients, their guests, and faculty, immediately following the ceremony at approximately 3:45 p.m, under the tent on the west side of the Mullins Center. Refreshments will be served.
AbstractContrary to popular assumption, DRAMs used in most modern computers retain their contents for seconds to minutes after power is lost, even at operating temperatures and even if removed from a motherboard. Although DRAMs become less reliable when they are not refreshed, they are not immediately erased, and their contents persist sufficiently for malicious (or forensic) acquisition of usable full-system memory images. We show that this phenomenon limits the ability of an operating system to protect cryptographic key material from an attacker with physical access. We use cold reboots to mount attacks on popular disk encryption systems — BitLocker, FileVault, dm-crypt, and TrueCrypt — using no special devices or materials. We experimentally characterize the extent and predictability of memory remanence and report that remanence times can be increased dramatically with simple techniques. We offer new algorithms for finding cryptographic keys in memory images and for correcting errors caused by bit decay. Though we discuss several strategies for partially mitigating these risks, we know of no simple remedy that would eliminate them.
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