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  4. GIFT: A Small Present Towards Reaching the Limit of Lightweight Encryption
 
conference paper

GIFT: A Small Present Towards Reaching the Limit of Lightweight Encryption

Banik, Subhadeep  
•
Pandey, Sumit Kumar
•
Peyrin, Thomas
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2017
Cryptographic Hardware and Embedded Systems – CHES 2017
Conference on Cryptographic Hardware and Embedded Systems

In this article, we revisit the design strategy of PRESENT, leveraging all the advances provided by the research community in construction and cryptanalysis since its publication, to push the design up to its limits. We obtain an improved version, named GIFT, that provides a much increased efficiency in all domains (smaller and faster), while correcting the well-known weakness of PRESENT with regards to linear hulls. GIFT is a very simple and clean design that outperforms even SIMON or SKINNY for round-based implementations, making it one of the most energy efficient ciphers as of today. It reaches a point where almost the entire implementation area is taken by the storage and the Sboxes, where any cheaper choice of Sbox would lead to a very weak proposal. In essence, GIFT is composed of only Sbox and bit-wiring, but its natural bitslice data flow ensures excellent performances in all scenarios, from area-optimised hardware implementations to very fast software implementation on high-end platforms. We conducted a thorough analysis of our design with regards to state-of-the-art cryptanalysis, and we provide trong bounds with regards to differential/linear attacks.

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Type
conference paper
DOI
10.1007/978-3-319-66787-4_16
Author(s)
Banik, Subhadeep  
Pandey, Sumit Kumar
Peyrin, Thomas
Sasaki, Yu
Sim, Siang Meng
Todo, Yosuke
Date Issued

2017

Published in
Cryptographic Hardware and Embedded Systems – CHES 2017
Series title/Series vol.

Lecture Notes in Computer Science; 10529

Start page

321

End page

345

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LASEC  
Event nameEvent placeEvent date
Conference on Cryptographic Hardware and Embedded Systems

Taipei, Taiwan

September 25–28, 2017

Available on Infoscience
November 2, 2017
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/141734
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