PRESENT: An Ultra-Lightweight Block Cipher

  • Authors:
  • A. Bogdanov;L. R. Knudsen;G. Leander;C. Paar;A. Poschmann;M. J. Robshaw;Y. Seurin;C. Vikkelsoe

  • Affiliations:
  • Horst-Görtz-Institute for IT-Security, Ruhr-University Bochum, Germany;Technical University Denmark, DK-2800 Kgs. Lyngby, Denmark;Horst-Görtz-Institute for IT-Security, Ruhr-University Bochum, Germany;Horst-Görtz-Institute for IT-Security, Ruhr-University Bochum, Germany;Horst-Görtz-Institute for IT-Security, Ruhr-University Bochum, Germany;France Telecom R&D, Issy les Moulineaux, France;France Telecom R&D, Issy les Moulineaux, France;Technical University Denmark, DK-2800 Kgs. Lyngby, Denmark

  • Venue:
  • CHES '07 Proceedings of the 9th international workshop on Cryptographic Hardware and Embedded Systems
  • Year:
  • 2007

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Abstract

With the establishment of the AES the need for new block ciphers has been greatly diminished; for almost all block cipher applications the AES is an excellent and preferred choice. However, despite recent implementation advances, the AES is not suitable for extremely constrained environments such as RFID tags and sensor networks. In this paper we describe an ultra-lightweight block cipher, present. Both security and hardware efficiency have been equally important during the design of the cipher and at 1570 GE, the hardware requirements for presentare competitive with today's leading compact stream ciphers.