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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.
(a) What are the different architectures for wireless networks? (b) Explain how WEP authentication and encryption works, describe the vulnerability. (c) In what ways are secu
Transposition technique
explaain it?
UDP ENCAPSULATION As given in the figure below, UDP packet is included in IP datagram and the IP datagram is then attached in the Frame.
CARRIER SENSE MULTIPLE ACCESS (CSMA) There is no central access management when computers transfer on Ethernet. For this solution the Ethernet employs CSMA to coordinate tran
Border Gateway Protocol It is a protocol needed to advertise the set of networks that can be achieved within an autonomous machine. BGP activates this information to be shared
Ask question #MinimAn NMS is connected to a remote network by a 64 Kb/s link. The network elements in the remote network generate 50 faults/second. Of these, 5% are critical and th
#Under what circumstances would the use of a SecSDLC be more appropriate than an SDLC?
what are the participant of marketing channal?
(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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