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Suppose Alice and Bob follow stage 1 and phase 1 of stage 2 of the BB84 protocol, but that they skip phase 2 of stage 2. Also suppose that Eve opaquely eavesdrops on every qubit, in the way of slide 10. Eve also eavesdrops on the stage 2, phase 1 communication between Alice and Bob. Suppose the raw keys consist of k bits each.
1. What is the expected number of bits on which Alice's and Bob's raw keys agree? Explain your answer.
2. What is the expected number of bits of Alice's raw key that Eve will know? Explain your answer.
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?
Security topology covers four primary areas of concern (design goals, security zones, technologies, and business requirements). Describe each area including key topics in each area. Discuss software threats.
Risk Management, IT Related Risks, Radio Frequency Identification (RFID), Easy listing of special programs, Social Engineering
DNS Cache Poisoning attack, Turtle Shell Architecture,
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
Suppose that eight more characters were added to the password and that the DES algorithm was changed so as to use all 16 password characters. What would be the expected time to find all users' passwords using a dictionary attack?
Based on the article by Lenning (2005), determine a primary security risk that users must acknowledge when using macros? Why is it significant to educate users of these risks once their dilemma is resolved?
Search the Internet for good examples of cases that involve ethical issues and the abuse of privacy. Provide a review and analysis of your findings.
Show a message that Alice may have spoofed, and demonstrate that its hash value collides with Bob's original hash.
List at three key things employees should remember on data privacy, security practices, and the legal implications of data privacy. The document should be something which draws someone to look at it while still maintaining professional appearan..
Consider your organization's security architecture. How much do you know about it? How much do other workers know? How easy is it to learn more?
Describe a procedure that selects a key uniformly at random from among the keys in the hash table and returns it in expected time O(L.(1 + 1/α)).
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