Escrow Encryption Systems Visited: Attacks, Analysis and Designs

  • Authors:
  • Yair Frankel;Moti Yung

  • Affiliations:
  • -;-

  • Venue:
  • CRYPTO '95 Proceedings of the 15th Annual International Cryptology Conference on Advances in Cryptology
  • Year:
  • 1995

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Abstract

The Escrow Encryption Standard and its realization - the Clipper chips - suggest a new type of encryption scheme. We present a few basic and somewhat subtle issues concerning escrow encryption systems. We identify and perform attacks on the actual Clipper and other recent designs (fair cryptosystems, TIS software escrow, etc.). We review requirements and concerns and suggest design approaches to systems with desired properties of key escrow.