By Dorothy E. Denning, Giovanni Maria Sacco
Communications of the ACM,
August 1981,
Vol. 24 No. 8, Pages 533-536
10.1145/358722.358740
Comments
The distribution of keys in a computer network using single key or public key encryption is discussed. We consider the possibility that communication keys may be compromised, and show that key distribution protocols with timestamps prevent replays of compromised keys. The timestamps have the additional benefit of replacing a two-step handshake.
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