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Bob believes that he has come up with a nifty hash function. He assigns a numeric value VChar to each letter in the alphabet equal to the letter's position in the alphabet, i.e., VA = 1, VB = 2, ..., VZ = 26. For a message, he calculates the hash value H = (VChar 1 x VChar 2 x VChar 3 ...x VChar N) mod(26). Bob uses this function to send a one-word message, LAYER, to his banker Bill, along with his calculated hash value for the message. Alice is able to intercept the message, and generates an alternative message that has a hash value that collides with Bob's original hash value. Show a message that Alice may have spoofed, and demonstrate that its hash value collides with Bob's original hash.
Implement the cipher as a class which implements the provided interface.
After more than ten years of proposals, revisions and re-revisions, the National Conference of Commissioners on Uniform State Laws at long last voted to adopt the Uniform Computer Information Transactions Act on July 29.
If Bob receives M and S, describe process Bob will use to verify signature. Illustrate that in this case signature verification will succeed.
What do you believe to be the primary challenges that law enforcement agencies must face in investigating cyber exploitation and cyber crime? What efforts must be made to help overcome these challenges?
Suppose a terrorist is known to use Skype for encrypted email from internet cafes, using a known email ID in small city. How could you collect data for traffic analysis (i. e, what kind of technology or access could you use)?
Explain how message gets from Alice's host to Bob's host. Make sure to list series of application-layer protocols which are used to move message between the two hosts.
Deliver a research paper and presentation based on your research - Future threats to network security and planning for those threats
Find one example of password protocols in Microsoft product and discuss its security or insecurity with your colleagues. If possible, install one of the available cracking tools to see whether you could crack this system and share your experience ..
Iit is highly desirable that whoever treats you has access to your record. Using your justification how would you use prevention, detection and recovery to secure the records?
The plan includes improving the security of the current network and establishing a secure environment for data exchange between the headquarters (Brisbane) and other offices.
SSL Record protocol of the SSL protocol stack, RADIUS, networks for access control, DNS poisoning, Spear Phishing attacks, centralised or decentralised access control, encrypt email data
Why are SCADA systems particularly vulnerable to cyber treats? C. Using the X.805 security framework as a reference, discuss the SCADA security requirements for an electric, water or oil refinery enterprise.
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