Browsing Computer Science and Artificial Intelligence Lab (CSAIL) by Subject "Cryptography"
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Keeping Secrets in Hardware: the Microsoft Xbox(TM) Case Study
(2002-05-26)This paper discusses the hardware foundations of the cryptosystem employed by the Xbox(TM) video game console from Microsoft. A secret boot block overlay is buried within a system ASIC. This secret boot block decrypts and ...
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Optimal and Player-Replaceable Consensus with an Honest Majority
(2017-03-31)We construct a Byzantine Agreement protocol that tolerates t < n/2 corruptions, is very efficient in terms of the number of rounds and the number of bits of communication, and satisfies a strong notion of robustness called ...