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Authors: Frederik Armknecht and Vasily Mikhalev

Affiliation: Universität Mannheim, Germany

ISBN: 978-989-758-045-1

ISSN: 2184-2825

Keyword(s): Stream Ciphers, Feedback Shift Registers, Implementation, Throughput, Pipelining, Galois Configuration.

Related Ontology Subjects/Areas/Topics: Applied Cryptography ; Cryptographic Techniques and Key Management ; Data and Application Security and Privacy ; Data Engineering ; Data Protection ; Databases and Data Security ; Information and Systems Security

Abstract: At CT-RSA 2014, Armknecht and Mikhalev presented a new technique for increasing the throughput of stream ciphers that are based on Feedback Shift Registers (FSRs) which requires practically no additional memory. The authors provided concise sufficient conditions for the applicability of this technique and demonstrated its usefulness on the stream cipher Grain-128. However, as these conditions are quite involved, the authors raised as an open question if and to what extent this technique can be applied to other ciphers as well. In this work, we revisit this technique and examine its applicability to other stream ciphers. On the one hand we show on the example of Grain-128a that the technique can be successfully applied to other ciphers as well. On the other hand we list several stream ciphers where the technique is not applicable for different structural reasons.

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Paper citation in several formats:
Armknecht, F. and Mikhalev, V. (2014). Revisiting a Recent Resource-efficient Technique for Increasing the Throughput of Stream Ciphers.In Proceedings of the 11th International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2014) ISBN 978-989-758-045-1, ISSN 2184-2825, pages 379-386. DOI: 10.5220/0005059803790386

@conference{secrypt14,
author={Frederik Armknecht. and Vasily Mikhalev.},
title={Revisiting a Recent Resource-efficient Technique for Increasing the Throughput of Stream Ciphers},
booktitle={Proceedings of the 11th International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2014)},
year={2014},
pages={379-386},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005059803790386},
isbn={978-989-758-045-1},
}

TY - CONF

JO - Proceedings of the 11th International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2014)
TI - Revisiting a Recent Resource-efficient Technique for Increasing the Throughput of Stream Ciphers
SN - 978-989-758-045-1
AU - Armknecht, F.
AU - Mikhalev, V.
PY - 2014
SP - 379
EP - 386
DO - 10.5220/0005059803790386

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