Q2: Why Asymmetric key cryptography alone cannot resolve Internet security issue? Please assess the following statements and give your reasons: o o
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Q2: Why Asymmetric key cryptography alone cannot resolve Internet security issue? Please assess the following statements and give your reasons: o Encryption in symmetric key cryptography provides authentication. o Encryption in asymmetric key cryptography provides authentication. Q3: NSA prefers exportable security algorithms easier to break or harder to break? Q4: To achieve the same level of security, which one need to use a larger key size? Symmetric key cryptography or asymmetric key cryptography? Please explain your assessment. Q5: Symmetric key cryptography and asymmetric key cryptography are complimentary. Please explain why and how? Q6: What are the principal ingredients of a public-key cryptosystem? Q7: List and briefly define three uses of a public-key cryptosystem? Q8: What is the difference between a private key and a secret key? Q9: How can public-key encryption be used to distribute a secret key?
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