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» On Simple and Secure Key Distribution
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CTRSA
2006
Springer
146views Cryptology» more  CTRSA 2006»
15 years 10 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 7 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 11 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 10 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
CCS
2005
ACM
15 years 11 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