An Improved Construction for Universal Re-encryption. Fairbrother, P. May 2004. Paper doi abstract bibtex 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 still allows an intended player to recover the plaintext. Universal re-encryption is potentially useful as part of many information-hiding techniques, as it allows any player to make ciphertext unidentifiable without knowing the key used. Golle et al\textquoterights techniques for universal re-encryption are reviewed, and a hybrid universal re-encryption construction with improved work and space requirements which also permits indefinite re-encryptions is presented. Some implementational issues and optimisations are discussed.
@conference {fairbrother:pet2004,
title = {An Improved Construction for Universal Re-encryption},
booktitle = {Proceedings of Privacy Enhancing Technologies workshop (PET 2004)},
series = {LNCS},
volume = {3424},
year = {2004},
month = {May},
pages = {79{\textendash}87},
publisher = {Springer Berlin / Heidelberg},
organization = {Springer Berlin / Heidelberg},
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 still allows an intended player to recover the plaintext. Universal re-encryption is potentially useful as part of many information-hiding techniques, as it allows any player to make ciphertext unidentifiable without knowing the key used.
Golle et al{\textquoteright}s techniques for universal re-encryption are reviewed, and a hybrid universal re-encryption construction with improved work and space requirements which also permits indefinite re-encryptions is presented. Some implementational issues and optimisations are discussed.},
keywords = {information hiding, re-encryption},
isbn = {978-3-540-26203-9},
doi = {10.1007/b136164},
url = {http://www.springerlink.com/content/q07439n27u1egx0w/},
author = {Peter Fairbrother}
}
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