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DRM
2003
Springer
15 years 9 months ago
Breaking and repairing optimistic fair exchange from PODC 2003
In PODC 2003, Park, Chong, Siegel and Ray [22] proposed an optimistic protocol for fair exchange, based on RSA signatures. We show that their protocol is totally breakable already...
Yevgeniy Dodis, Leonid Reyzin
139
Voted
ICICS
2003
Springer
15 years 9 months ago
ID-Based Distributed "Magic Ink" Signature from Pairings
The advantage of ID-based system is the simplification of key distribution and certification management; a user can directly use his identity as his public key instead of an arbi...
Yan Xie, Fangguo Zhang, Xiaofeng Chen, Kwangjo Kim
139
Voted
NDSS
2003
IEEE
15 years 9 months ago
Proxy Cryptography Revisited
In this work we revisit and formally study the notion of proxy cryptography. Intuitively, various proxy functions allow two cooperating parties F (the “FBI”) and P (the “pro...
Anca-Andreea Ivan, Yevgeniy Dodis
140
Voted
ASIACRYPT
2003
Springer
15 years 8 months ago
Untraceable Fair Network Payment Protocols with Off-Line TTP
A fair network payment protocol plays an important role in electronic commerce. The fairness concept in payments can be illustrated as that two parties (e.g. customers and merchant...
Chih-Hung Wang
149
Voted
ICIP
2005
IEEE
16 years 6 months ago
Localization and security enhancement of block-based image authentication
Most block-based image authentication techniques that are presented in the literature sacrifice localization accuracy in order to resist vector quantization (VQ) counterfeiting att...
Abdelkader H. Ouda, Mahmoud R. El-Sakka