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IJISEC
2007
87views more  IJISEC 2007»
14 years 11 days ago
Breaking four mix-related schemes based on Universal Re-encryption
Universal Re-encryption allows El-Gamal ciphertexts to be re-encrypted without knowledge of their corresponding public keys. This has made it an enticing building block for anonymo...
George Danezis
PET
2004
Springer
14 years 5 months ago
An Improved Construction for Universal Re-encryption
Abstract. Golle et al recently introduced universal re-encryption, defining it as re-encryption by a player who does not know the key used for the original encryption, but which s...
Peter Fairbrother
CTRSA
2004
Springer
89views Cryptology» more  CTRSA 2004»
14 years 5 months ago
Universal Re-encryption for Mixnets
We introduce a new cryptographic technique that we call universal re-encryption. A conventional cryptosystem that permits reencryption, such as ElGamal, does so only for a player w...
Philippe Golle, Markus Jakobsson, Ari Juels, Paul ...