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» Reasoning About Security Models
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ESORICS
2009
Springer
16 years 6 months ago
Super-Efficient Aggregating History-Independent Persistent Authenticated Dictionaries
Authenticated dictionaries allow users to send lookup requests to an untrusted server and get authenticated answers. Persistent authenticated dictionaries (PADs) add queries agains...
Scott A. Crosby, Dan S. Wallach
ACSAC
2008
IEEE
16 years 21 days ago
On Purely Automated Attacks and Click-Based Graphical Passwords
We present and evaluate various methods for purely automated attacks against click-based graphical passwords. Our purely automated methods combine click-order heuristics with focu...
Amirali Salehi-Abari, Julie Thorpe, Paul C. van Oo...
ISI
2007
Springer
16 years 10 days ago
A Combinatorial Approach to Measuring Anonymity
— In this paper we define a new metric for quantifying the degree of anonymity collectively afforded to users of an anonymous communication system. We show how our metric, based...
Matthew Edman, Fikret Sivrikaya, Bülent Yener
ACSAC
1999
IEEE
15 years 10 months ago
Using Checkable Types in Automatic Protocol Analysis
The Automatic Authentication Protocol Analyzer, 2nd Version AAPA2 is a fast, completely automatic tool for formally analyzing cryptographic protocols. It correctly identi es vulne...
Stephen H. Brackin
136
Voted
CCS
2007
ACM
15 years 10 months ago
Efficient techniques for realizing geo-spatial access control
The problem of key management for access control systems has been well-studied, and the literature contains several schemes for hierarchy-based and temporal-based access control. ...
Mikhail J. Atallah, Marina Blanton, Keith B. Frikk...