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CSFW
1994
IEEE
15 years 8 months ago
One-Representative Safety Analysis in the Non-Monotonic Transform Model
We analyze the safety question for the Non-Monotonic Transform NMT model, an access control model that encompasses a wide variety of practical access control mechanisms. In genera...
Ravi S. Sandhu, Paul Ammann
AAECC
2006
Springer
77views Algorithms» more  AAECC 2006»
15 years 4 months ago
Protecting against key-exposure: strongly key-insulated encryption with optimal threshold
A new framework for protection against key exposure was recently suggested by Dodis et. al. [16]. We take its realization further towards practice by presenting simple new schemes...
Mihir Bellare, Adriana Palacio
SPEECH
2011
14 years 11 months ago
The importance of phase in speech enhancement
Typical speech enhancement methods, based on the short-time Fourier analysis-modification-synthesis (AMS) framework, modify only the magnitude spectrum and keep the phase spectru...
Kuldip K. Paliwal, Kamil K. Wójcicki, Benja...
EUROCRYPT
2008
Springer
15 years 6 months ago
Efficient Two Party and Multi Party Computation Against Covert Adversaries
Recently, Aumann and Lindell introduced a new realistic security model for secure computation, namely, security against covert adversaries. The main motivation was to obtain secure...
Vipul Goyal, Payman Mohassel, Adam Smith
CTRSA
2005
Springer
210views Cryptology» more  CTRSA 2005»
15 years 10 months ago
Hold Your Sessions: An Attack on Java Session-Id Generation
HTTP session-id’s take an important role in almost any web site today. This paper presents a cryptanalysis of Java Servlet 128-bit session-id’s and an efficient practical predi...
Zvi Gutterman, Dahlia Malkhi