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(a) An opponent is using RSA with the public key {e=53, n=77}. You intercept the ciphertext C=10. (All values on this problem, including the ciphertext and the cleartext, are numeric.)
(i) Deduce p and q. (ii) Evaluate her private key. (iii) What is the cleartext?
(b) Describe the terms ‘prime number' and ‘prime factorisation'. Illustrate the importance of prime numbers in cryptography.
(c) Consider cryptographic hash functions. Name four essential properties for a cryptographic hash function, explaining for each why it is essential.
(d) Explain the following techniques used by firewalls to control access:
(i) Packet Filtering (ii) Proxy Server (iii) Stateful Inspection
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Threat Identification After identifying and performing a primary classification of an organization’s information assets, the analysis phase moves onto an examination of threats
What is the concept of topology?
Question: (a) Explain the following terms: Information Communication Technology, Operating System and Application Software. (b) Define what a computer is, give four anatomi
Question: (a) What is the major problem with public key encryption when compared to symmetric key encryption? (b) Consider the following protocol for communication between t
state the fundamental principles of 3gpp security
what is hacking
Problem: (a) Assume that a new application layer protocol is developed for video conferencing application. Which transport layer protocol, between TCP and UDP, will you u
Hardware, Software, and Network Asset Identification What information attributes to track is dependent on: • Requires of organization/risk management efforts • Management
UDP COMMUNICATION SEMANTICS: UDP needs IP for all delivery, that is, similar best effort delivery as IP. To use UDP, an application have to either be immune to the causes or
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