Talk:Otway–Rees protocol

Cryptography: Computer science Mid‑importance

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I wonder if someone can clarify the remark made on the page for Otway-Rees:

"Another problem is that although the server tells B that A used a nonce, B doesn't know if this was a replay of an old message."

The server does not tell B that A used the nonce N_A. What, exactly, is the alleged replay?

— Preceding unsigned comment added by 147.188.192.41 (talk • contribs) 13:49 4 April 2005 (UTC)

That remark is not helpful as it does not give enough detail and does not explain what goes wrong. I intend to delete it and if anyone thinks it is meaningful, perhaps they could replace it with something clearer (preferably with citation if it is from a published source).

Owenrees (talk) 22:15, 9 March 2020 (UTC)Reply

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