The RAKAPOSHI stream cipher

  • Authors:
  • Carlos Cid;Shinsaku Kiyomoto;Jun Kurihara

  • Affiliations:
  • Information Security Group, Royal Holloway, University of London, Egham, United Kingdom;KDDI R & D Laboratories Inc., Saitama, Japan;KDDI R & D Laboratories Inc., Saitama, Japan

  • Venue:
  • ICICS'09 Proceedings of the 11th international conference on Information and Communications Security
  • Year:
  • 2009

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Abstract

In this paper, we introduce the rakaposhi stream cipher. The algorithm is based on Dynamic Linear Feedback Shift Registers, with a simple and potentially scalable design, and is particularly suitable for hardware applications with restricted resources. The rakaposhi stream cipher offers 128-bit security, and aims to complement the current eSTREAM portfolio of hardware-oriented stream ciphers.