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CCS
2007
ACM
15 years 3 months ago
2007
ACM
We present Asirra (Figure 1), a CAPTCHA that asks users to identify cats out of a set of 12 photographs of both cats and dogs. Asirra is easy for users; user studies indicate it c...
CCS
2007
ACM
15 years 3 months ago
2007
ACM
Current trends demonstrate an increasing use of polymorphism by attackers to disguise their exploits. The ability for malicious code to be easily, and automatically, transformed in...
CCS
2007
ACM
15 years 3 months ago
2007
ACM
A Distributed Information Brokering System (DIBS) is a peer-to-peer overlay network that comprises diverse data servers and brokering components helping client queries locate the ...
CCS
2007
ACM
15 years 3 months ago
2007
ACM
The text of this paper has passed across many Internet routers on its way to the reader, but some routers will not pass it along unfettered because of censored words it contains. ...
CCS
2007
ACM
15 years 3 months ago
2007
ACM
QUAD is a stream cipher whose provable security relies on the hardness of solving systems of multivariate quadratic equations. This paper explores FPGA implementations of the stre...