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(a) Describe RSA encryption.
(b) For an RSA encryption the values of the primes are: p=29, q=31. select e=11, evaluate the public and private keys.
(c) How can RSA be used for preparing a digital signature.
(d) Describe why in using the RSA encryption to prepare a signature it is normal to sign a message digest of the message and not the message itself. In respect of this application of message digests, state the properties of a good message digest function.
(e) Describe three possible attacks on RSA and explain how RSA responds to each of these attacks.
Q. Explain the random key distribution? The triple key management mechanisms ensure a better and complete security solution using the random key distribution mechanism. In this
(a) Describe DES encryption with a block diagram and brief steps. (b) How does triple DES improve security. What is the effective key length of triple DES? How can 3DES be compa
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Management of Classified Data Management of classified data comprises of its storage, distribution, portability, and destruction of classified data. All information which is not
Cipher Methods There are 2 methods of encrypting plaintext: • Bit stream method – every bit in the plaintext bit is transformed into a cipher bit one bit at a time. • Block cip
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Question: (a) Your office administrator is being trained to take server backups. Which authorization model could be ideal for this situation: MAC, DAC or RBAC? Justify your a
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Convert (111011)2 to ( )10
a) Define the term "Enterprise Network". b) Briefly discuss the similarity and differences between a switch and a router. c) A company XYZ has been renting the 1 st Floor of
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