Question: Consider a one - way authentication technique based on asymmetric encryption ( PUa is A s public key ) : A - > B:IDA B

Consider a one-way authentication technique based on asymmetric encryption (PUa is As public key):
A -> B:IDA
B -> A:E(PUa,R2) A -> B:R2
(a) Explain the protocol.
(b) What type of attack is this protocol susceptible to?

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