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» On Simple and Secure Key Distribution
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CTRSA
2006
Springer
146views Cryptology» more  CTRSA 2006»
15 years 7 months ago
Collision-Resistant Usage of MD5 and SHA-1 Via Message Preprocessing
A series of recent papers have demonstrated collision attacks on popularly used hash functions, including the widely deployed MD5 and SHA-1 algorithm. To assess this threat, the na...
Michael Szydlo, Yiqun Lisa Yin
CIIT
2007
133views Communications» more  CIIT 2007»
15 years 5 months ago
Linear-tree rule structure for firewall optimization
Given a list of filtering rules with individual hitting probabilities, it is known that the average processing time of a linear-search based firewall can be minimized by searchi...
Liang Zhao, A. Shimae, Hiroshi Nagamochi
DATE
2003
IEEE
65views Hardware» more  DATE 2003»
15 years 9 months ago
Masking the Energy Behavior of DES Encryption
Smart cards are vulnerable to both invasive and non-invasive attacks. Specifically, non-invasive attacks using power and timing measurements to extract the cryptographic key has d...
Hendra Saputra, Narayanan Vijaykrishnan, Mahmut T....
ACSAC
2010
IEEE
14 years 7 months ago
Friends of an enemy: identifying local members of peer-to-peer botnets using mutual contacts
In this work we show that once a single peer-to-peer (P2P) bot is detected in a network, it may be possible to efficiently identify other members of the same botnet in the same ne...
Baris Coskun, Sven Dietrich, Nasir D. Memon
131
Voted
CCS
2005
ACM
15 years 9 months ago
Countering DoS attacks with stateless multipath overlays
Indirection-based overlay networks (IONs) are a promising approach for countering distributed denial of service (DDoS) attacks. Such mechanisms are based on the assumption that at...
Angelos Stavrou, Angelos D. Keromytis