A First-Order DPA Attack Against AES in Counter Mode with Unknown Initial Counter

  • Authors:
  • Josh Jaffe

  • Affiliations:
  • Cryptography Research, Inc., 575 Market Street, suite 2150, San Francisco, CA 94105, USA

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

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Abstract

Previous first-order differential power analysis (DPA) attacks have depended on knowledge of the target algorithm's input or output. This paper describes a first-order DPA attack against AES in counter mode, in which the initial counter and output values are all unknown.