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Using the English alphabet (i.e., mod 26 arithmetic) let plaintext = {p1, p2,... , pn} and corresponding ciphertext = {c1, c2,... , cn}. Suppose the encryption function is ci = pi + 6 (mod 26). If you receive the ciphertext message ASAIMXGJAGZKYINUUR and are asked to recover the plaintext. answer the following questions: a). What is the decryption function, b). What is the decrypted plaintext? c). What are some weaknesses of this cipher?
Describe network crimes that are related to DNS entry alteration or bogus DNS servers. In a network investigation, some network administrators may be cooperative while others may not.
What is the single most important new technology that has affected digital forensics in the last five years and why?
Show that a passive eavesdropper that observes a single execution of the protocol can recover key s and impersonate the tag.
What is meant by "Multi-modal Biometrics" for access control. In theory and in practice, what quantifiable advantages and disadvantages can be attributed to multi-modal biometrics
Write UDP programs allowing two parties to establish a secure communication channel and perform a security analysis for the key exchange protocol
For each of the three (3) or more malicious attacks and / or threats that you identified in Assignment 1, choose a strategy for addressing the associated risk (i.e., risk mitigation, risk assignment, risk acceptance, or risk avoidance). Explain your ..
Output the string rotated to the right by a user-defined number of characters (0 or more). For example, Hello world!rotated by two characters would be: Hello world.
TCB subsets are said to leverage purely hierarchical domains ordered by privilege and explain the relation between these domains and protection rings.
Cross-talk, and other forms of interference are a significant issue in any communications infrastructure. Compare and contrast how this problem would manifest for analog data transmitted
Clinet's MAC address is explicitly excluded in the AP/router configuration. What are the security vulnerabilities of this authentication scheme?
What might the profile (with emphasis on sociological and psychological theories) be for a cybercriminal who commits this type of cybercrime?
Explain in detail why you believe the risk management, control identification, and selection processes are so important, specifically in this organization and draft a one page Executive Summary that details your strategies and recommendations to t..
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