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The Diffie–Hellman key agreement is an anonymous, non-authenticated key-agreement protocol.
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votes
Which risks are associated with deriving multiple keys from the same DH secret Z?
The HKDF RFC contains formulations such as:
The second stage "expands" the key K into several additional
pseudorandom keys (the output of the KDF).
and:
The second stage "expands" the pseudorandom …