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Question :
(a) There are two approaches for providing confidentiality for packets in a network using symmetric encryption: End-to-End Encryption and Link Encryption. State where these two types of encryption could be implemented assuming the reference OSI model.
(b) Give one example of a public key algorithm.
(c) Describe the following statement: "Public key cryptography complements rather than replaces Symmetric key cryptography."
(d) Explain how public key cryptography can be used for (i) confidentiality, (ii) authentication (iii) both confidentiality and authentication.
(e) Describe why PKC is slower than SKC.
(f) Provide an example of a digital certificate format that is commonly used.
(g) Explain how the Digital Signature Algorithm can be used to generate a signature and how the signature can be verified by a recipient.
QUESTION (a) Describe the two possible configurations for 3DES (b) What is the main disadvantage of 3DES? (c) Why are most modern symmetric algorithm block ciphers? (d
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IPv6 ADDRESSING IPv6 has 128-bit addresses. A 128-bit address adds network prefix and host suffix. An benefit of IPv6 addressing is that there is address classes i.e. prefix/s
Risk Control Strategies Once the ranked vulnerability risk worksheet has created, they should choose one of following 4 strategies to control each risk: • Apply safeguards wh
Question: (a) What do you understand by the term "integrity"? (b) Which type of attack denies authorized users access to network resources? (c) You have discovered tha
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Assume that the RSA problem is hard, prove that the RSA encryption is secure against IND- CPA. Provide a game between an adversary A and a simulator (or challenger) B.
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