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IJNSEC
2006
113views more  IJNSEC 2006»
13 years 7 months ago
An Identity-based Mediated Signature Scheme from Bilinear Pairing
It has always been a critical issue to find efficient methods for fast revocation of a user's identity in identity (ID)based cryptosystems. Unfortunately, none of the previou...
Xiangguo Cheng, Lifeng Guo, Xinmei Wang
ICCSA
2007
Springer
14 years 1 months ago
Public Key Encryption with Keyword Search Based on K-Resilient IBE
An encrypted email is sent from Bob to Alice. A gateway wants to check whether a certain keyword exists in an email or not for some reason (e.g. routing). Nevertheless Alice does n...
Dalia Khader
AFRICACRYPT
2009
Springer
13 years 11 months ago
Certified Encryption Revisited
The notion of certified encryption had recently been suggested as a suitable setting for analyzing the security of encryption against adversaries that tamper with the key-registrat...
Pooya Farshim, Bogdan Warinschi
CCS
2004
ACM
14 years 26 days ago
Concealing complex policies with hidden credentials
Hidden credentials are useful in protecting sensitive resource requests, resources, policies, and credentials. We propose a significant performance improvement when implementing ...
Robert W. Bradshaw, Jason E. Holt, Kent E. Seamons
AAECC
2006
Springer
77views Algorithms» more  AAECC 2006»
13 years 7 months ago
Protecting against key-exposure: strongly key-insulated encryption with optimal threshold
A new framework for protection against key exposure was recently suggested by Dodis et. al. [16]. We take its realization further towards practice by presenting simple new schemes...
Mihir Bellare, Adriana Palacio