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ICWSM
2008
13 years 10 months ago
2008
Managing privacy of online content is difficult. We present a simple social access control where sharers specify test questions of shared knowledge, such as "what is our scho...
CRYPTO
2010
Springer
13 years 10 months ago
2010
Springer
Multiparty computation protocols have been known for more than twenty years now, but due to their lack of efficiency their use is still limited in real-world applications: the goal...
PODC
2010
ACM
13 years 9 months ago
2010
ACM
We present information-theoretically secure schemes for sharing and modifying secrets among a dynamic swarm of computing devices. The schemes support an unlimited number of change...
IJNSEC
2008
13 years 9 months ago
2008
This paper presents an evaluation of the security architecture employed in the General Packet Radio Services (GPRS). More specifically, the security measures applied to protect th...
ECCC
2000
13 years 8 months ago
2000
Abstract. We suggest a candidate one-way function using combinatorial constructs such as expander graphs. These graphs are used to determine a sequence of small overlapping subsets...