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(a) Describe the concept of zero knowledge proofs. Give a practical example.
(b) Explain how a one way hash function works.
(c) What are message authentication codes?
(d) Describe how the Diffie-Hellman key exchange may be used to establish a session key. Why will a passive observer be unable to establish the session key despite observing all communications?
Question 1: (a) (i) Radio waves are subject to several propagation problems. Name any three of them. (ii) A Wi-Fi receiver requires a signal power of 50mW to operate correc
QUESTION a) A switch basically operates by forwarding frames from one part of the network to another, based on MAC address. Describe the three types of switching namely store
Question: a) Name a method to allow a person to send a confidential email to another person, without risks of a third-party reading the email. Describe briefly the operations
You have been asked to setup a remote temperature sensing system for an electric furnace. The system consists of a sensor unit which feeds an analogue signal to a PCM encoder. The
Base lining • Organizations do not have any contact to each other • No two organizations are identical to each other • The best practices are a moving target • K
I have an assignment of Computer Security to submit. Will you guys help me making my assignment???
Question: (i) ‘Implementation' is a critical stage of the Systems Development Life Cycle. Show the four approaches which are commonly used to implement information systems in
Question: (a) Describe fully with example the two access control methods available to implement database security. (b) Discuss why database statistics (meta data) provide es
IPV6 DATAGRAM FORMAT It is given in the figure below:
IP DATAGRAM HEADER FORMAT: It is given in the figure below: In the table: VERS denotes the version of IP. H.LEN denotes the header length in units of
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