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(a) Briefly explain the following security goals provided by cryptography: confidentiality, authentication, integrity and non-repudiation.
(b) State Kerckhoff's Principle and explain how it relates to cryptanalysis.
(c) Describe the chosen cipher text attack on encrypted messages.
(d) You have intercepted a message encrypted with a Caesar cipher. The ciphertext starts with HWDUYFSFQDXNX and you know the plaintext starts with c. Find the key and decrypt the message.
(e) Use Euclidean's algorithm to calculate gcd(763, 1729).
Question: a) Give two reasons why the building-block approach is favoured to the traditional network design approach. b) With reference to network monitoring parameters, dis
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A full-duplex (FDX) , accepts communication in both ways, and, unlike half-duplex, accept this to occur simultaneously. Land-line telephone networks are full-duplex, since they
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There is another probing methods i-e Trace Route. To get more detail it is used As given in the figure about the route to DANDELION-PATCH.MIT.EDU was looked out a
For this assessment, students must research and analyse two different scenarios. The two scenarios must be chosen from those described below and submitted as one Microsoft PowerPoi
WHICH OF THE PRODUCT OF llc sublayer
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