A 2 Gb/s balanced AES crypto-chip implementation

  • Authors:
  • F. K. Guürkaynak;A. Burg;N. Felber;W. Fichtner;D. Gasser;F. Hug;H. Kaeslin

  • Affiliations:
  • Integrated Systems Laboratory, Zurich;Integrated Systems Laboratory, Zurich;Integrated Systems Laboratory, Zurich;Integrated Systems Laboratory, Zurich;Students of Computer Science, Zurich;Students of Computer Science, Zurich;Microelectronics Design Center, Zurich

  • Venue:
  • Proceedings of the 14th ACM Great Lakes symposium on VLSI
  • Year:
  • 2004

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Abstract

We present a balanced 2 Gb/s en-/decryption ASIC realization of the AES algorithm that supports all standard operation modes and key lengths. Rather than optimizing only for throughput, special care is taken to balance the more involved decryption path with that of the encryption path using a number of high-level architectural and register transfer level optimizations. The fabricated en-/decryption core requires an active area of only 3.56 mm2 (less than 120,000 gate equivalents) in a modest 0.25 µm CMOS technology.