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IJISEC
2007
87views more  IJISEC 2007»
13 years 4 months 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
13 years 10 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»
13 years 10 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 ...