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» The gap between cryptography and information security
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HIP
2005
Springer
168views Cryptology» more  HIP 2005»
14 years 1 months ago
Leveraging the CAPTCHA Problem
Efforts to defend against automated attacks on e-commerce services have led to a new security protocol known as a CAPTCHA, a challenge designed to exploit gaps in the perceptual a...
Daniel P. Lopresti
FC
2010
Springer
171views Cryptology» more  FC 2010»
13 years 11 months ago
The Phish-Market Protocol: Securely Sharing Attack Data between Competitors
A key way in which banks mitigate the effects of phishing is to remove fraudulent websites or suspend abusive domain names. This ‘take-down’ is often subcontracted to special...
Tal Moran, Tyler Moore
EUROCRYPT
2000
Springer
13 years 11 months ago
Information-Theoretic Key Agreement: From Weak to Strong Secrecy for Free
One of the basic problems in cryptography is the generation of a common secret key between two parties, for instance in order to communicate privately. In this paper we consider in...
Ueli M. Maurer, Stefan Wolf
STOC
2009
ACM
145views Algorithms» more  STOC 2009»
14 years 8 months ago
Non-malleable extractors and symmetric key cryptography from weak secrets
We study the question of basing symmetric key cryptography on weak secrets. In this setting, Alice and Bob share an n-bit secret W, which might not be uniformly random, but the ad...
Yevgeniy Dodis, Daniel Wichs
ISDA
2006
IEEE
14 years 1 months ago
Efficient Multiplier over Finite Field Represented in Type II Optimal Normal Basis
- Elliptic curve cryptography plays a crucial role in networking and information security area, and modular multiplication arithmetic over finite field is a necessary computation p...
Youbo Wang, Zhiguang Tian, Xinyan Bi, Zhendong Niu