On Solutions to the Key Escrow Problem

Authors:
Mark P. Hoyle;Chris J. Mitchell
Affiliations:
-;-
Venue:
State of the Art in Applied Cryptography, Course on Computer Security and Industrial Cryptography - Revised Lectures
Year:
1997

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Abstract

The first part of this paper is devoted to explaining what key escrow is and why it exists, and attempts to put it into a historical context. The subsequent focus is primarily on key escrow schemes which will work in an international environment. The possibility of using conventional key distribution techniques to provide key escrow services in an international context is first considered, and the associated problems are explored. The 'Royal Holloway' (RH) key escrow scheme is then described in a way which is intended to clarify and motivate its design, and the properties of this scheme and some related schemes are considered.