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CCS
2005
ACM
16 years 6 days ago
A framework for concrete reputation-systems with applications to history-based access control
In a reputation-based trust-management system, agents maintain information about the past behaviour of other agents. This information is used to guide future trust-based decisions...
Karl Krukow, Mogens Nielsen, Vladimiro Sassone
CCS
2005
ACM
16 years 6 days ago
Fast dictionary attacks on passwords using time-space tradeoff
Human-memorable passwords are a mainstay of computer security. To decrease vulnerability of passwords to bruteforce dictionary attacks, many organizations enforce complicated pass...
Arvind Narayanan, Vitaly Shmatikov
ASPLOS
2004
ACM
16 years 2 days ago
HIDE: an infrastructure for efficiently protecting information leakage on the address bus
+ XOM-based secure processor has recently been introduced as a mechanism to provide copy and tamper resistant execution. XOM provides support for encryption/decryption and integrit...
Xiaotong Zhuang, Tao Zhang, Santosh Pande
ACISP
2001
Springer
15 years 11 months ago
Private Information Retrieval Based on the Subgroup Membership Problem
Abstract. Many algorithmic problems, which are used to prove the security of a cryptographic system, are shown to be characterized as the subgroup membership problem. We then apply...
Akihiro Yamamura, Taiichi Saito
SP
2008
IEEE
120views Security Privacy» more  SP 2008»
15 years 6 months ago
Pacemakers and Implantable Cardiac Defibrillators: Software Radio Attacks and Zero-Power Defenses
Abstract--Our study analyzes the security and privacy properties of an implantable cardioverter defibrillator (ICD). Introduced to the U.S. market in 2003, this model of ICD includ...
Daniel Halperin, Thomas S. Heydt-Benjamin, Benjami...