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Heraclitus : a LFSR-based stream cipher with key dependent structure
conference contribution
posted on 2011-01-01, 00:00 authored by Bernard Colbert, A Dekker, Lynn BattenLynn BattenWe describe Heraclitus as an example of a stream cipher that uses a 128 bit index string to specify the structure of each instance in real time: each instance of Heraclitus will be a stream cipher based on mutually clocked shift registers. Ciphers with key-dependent structures have been investigated and are generally based on Feistel networks. Heraclitus, however, is based on mutually clocked shift registers. Ciphers of this type have been extensively analysed, and published attacks on them will be infeasible against any instance of Heraclitus. The speed and security of Heraclitus makes it suitable as a session cipher, that is, an instance is generated at key exchange and used for one session.
History
Event
International Conference on Communications and Signal Processing (2011 : Kerala, India)Pagination
141 - 145Publisher
IEEELocation
Kerala, IndiaPlace of publication
Piscataway, N.J.Start date
2011-02-10End date
2011-02-12ISBN-13
9781424497980Language
engPublication classification
E1 Full written paper - refereedCopyright notice
2011, IEEETitle of proceedings
ICCSP 2011 - International Conference on Communications and Signal ProcessingUsage metrics
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