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Security Primitives
a) Explain the different roles between hashing and message authentication codes (MAC). Can a good hash function serve as a good MAC, and vice versa?
b) What is the relationship between hashing and digital signatures? Which fields of an X.509 certificate are related to hashing and/or digital signatures?
c) Explain how hashing, MACs and digital signatures are used in SSL. Explain how the cipher_suites parameters are used to specify or change a given collection of algorithms for hashing, MACs and digital signatures.
Assume the sqquence number space is of size k. Determine the largest allowable sender window which will avoid the happening of problems of these protocols?
Assume that Alice shares a secret s with her company's server computer. When Alice is on a trip, she tries to store an important message in the CEO's account directory.
Network Security Management-flow diagram, assets and detail of functions. I have completed the assets and flow diagrams and interfaces. Start systems engineering on for MIIS, based on prior homework assignments:
Dissect an email you have received. First, get the original, ASCII text of the email, including the headers, and the blank line separating the headers and the body of the email.
SLE, ARO, and ALE, behavioural biometric technology, Enterprise Information Security Policy, Issue Specific Security Policy, System Specific Security Policy, firewalls protect network, creating a DMZ during firewall implementation, use of SSL to se..
block cipher and a stream cipher, Caesar cipher, cryptanalytic attacks, mono alphabetic cipher and a poly alphabetic cipher, Mix Columns, Add Round key, PGP services, traffic padding, contrast link and end-to-end encryption
Would it be reasonable to compute an RSA signature on a long message by ?rst computing what the message equals mod n, for some ?xed n and then signing this computed value only. Why or why not?
single access point (AP), wireless network, CSMA/CA, goals of information security, Wireless LANs, wireless hacking process, Wired Equivalent Privacy (WEP), Open System Authentication and Shared Key Authentication, Initialisation Vector (IV), RADIU..
We explored the 2-primary steps to database design - conceptual design and physical design. We discussed importance of having representatives from all key stakeholders in conceptual design to ensure accuracy of the design.
Another variation of Additive cipher uses a keyword instead of a single key. This cipher is called Vigenere cipher. Both variations work exactly the same.
TCO C states "Given a computer network for data transmission, identify and analyze possibilities for loss or modification of data. Write down the vulnerabilities of RPC? What are the present methods of securing RPC?
Discuss two drawbacks of steganography Describe the operation of a Trojan Horse program. How can we protect our computer from such a program
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