Authentication of signatures using public key encryption

Authors:
Kellogg S. Booth
Affiliations:
Univ. of Waterloo, Waterloo, Ontario, Canada
Venue:
Communications of the ACM
Year:
1981

Citing 3
Cited 6

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Abstract

One of Needham and Schroeder's proposed signature authentication protocols is shown to fail when there is a possibility of compromised keys: this invalidates one of the applications of their technique. A more elaborate mechanism is proposed which does not require a network clock, but does require a third party to the transaction. The latter approach is shown to be reliable in a fairly strong sense.