UES (cipher)

UES (cipher)

Infobox block cipher
name = UES


caption =
designers = Helena Handschuh, Serge Vaudenay
publish date = 1999
derived from = DEAL, Triple DES
derived to =
key size = 128, 192, or 256 bits
block size = 128 bits
structure = Feistel network
rounds = 48 DES-equivalent rounds
cryptanalysis =

In cryptography, UES (Universal Encryption Standard) is a block cipher designed in 1999 by Helena Handschuh and Serge Vaudenay. They proposed it as a transitional step, to prepare for the completion of the AES process.

UES was designed with the same interface as AES: a block size of 128 bits and key size of 128, 192, or 256 bits. It consists of two parallel Triple DES encryptions on the halves of the block, with key whitening and key-dependent swapping of bits between the halves. The key schedule is taken from DEAL.

References

* cite conference
author = Handschuh, Vaudenay
title = A Universal Encryption Standard
booktitle = Selected Areas in Cryptography (SAC '99)
pages = pp.1–12
publisher = Springer-Verlag
date = August 9 1999
location = Queen's University, Kingston, Ontario
url = http://citeseer.ist.psu.edu/744968.html
format = PDF/PostScript
accessdate = 2007-01-08


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