Question: d) Using a trusted third party (TTP) is common in computer security. i. Explain why a TTP needs to sign an entity's public key. [5

d) Using a trusted third party (TTP) is common in computer

d) Using a trusted third party (TTP) is common in computer security. i. Explain why a TTP needs to sign an entity's public key. [5 marks] ii. Describe the process by which the TTP signs such a key. [10 marks]

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