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Re: Reverse download protocolsby The Perlman (Scribe) |
on Aug 30, 2021 at 19:57 UTC ( [id://11136249]=note: print w/replies, xml ) | Need Help?? |
This reminds me of authentication protocols in cryptology, where the one-way-encryption keys are never exchanged.
A sends a sequence of random values and B must reply with the correct encryption or just a property of it. After n correct answers A will be statistically "convinced" that B had the correct key. Because of the asymmetric nature the correct key can't be deduced by a listener in the middle. I doubt it helps, but the question allows so many wild interpretations...
- Ron
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