Question: a) How are fixed passwords used to provide weak authentication? Include a discission of common attacks on fixed password schemes in your answer. [10 marks]

a) How are fixed passwords used to provide weak authentication? Include

a) How are fixed passwords used to provide weak authentication? Include a discission of common attacks on fixed password schemes in your answer. [10 marks] b) How can one-time passwords be used to provide improved security over fixed password schemes? Include a detailed description of Lamport's. OWI based one-time password protocol in your answer. [10 marks]

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