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Encrypt-It-Rite, a vendor of encryption software, sells a symmetric cipher that uses a 56-bit key. The company decides to conduct a "challenge" to crack an encrypted message using a brute-force approach. The average time to crack the message is found to be 1 hrs. As a result, Encrypt-It-Rite decides to increase the key length by 8 bits, from 64 to 72 bits. They then conduct another challenge. What average cracking time would be expected for the new, improved cipher? If Encrypt-It-Rite would like to increase the average cracking time to at least 100 years, what will be the minimal length of the key?
Give an example of piece of code that allows a buffer over run to occur. Assuming a program contains absolutely no buffer over runs. What other control flow-related problems may it have.
Prescribe a security strategy for a corporate WAN. Be sure to include methods to combat both technical and nontechnical attacks. C
Research current security trends, countermeasures, and threats. What will be the most threatening security issues firms have to deal with within the next five years?
Describe the RSA Public Key Encryption Scheme in detail. In particular, how do encryption and decryption algorithms work? Describe also how you select public and private keys.
Discusses the security risks associated with social networking sites
What special consequences do you foresee from information security breaches confined to online retail banking compared to online commercial banking?
Using RSA, perform an encryption then a decryption of the message M=5 using p=3, q=11, and e=7. (please add explanation, Show all your work, not just the final answer.)
What factors might an organization consider when choosing to implement an AD-integrated DNS zone versus a traditional zone? Describe a scenario in which it would be preferable
Using blocks of 4 encrypt the message I AM AN MSC STUDENT MAJORING IN SECURITY using the public key above. Similarly use the private key above to decrypt the cipher text.
Use a two-stage transposition technique to encrypt the following message using the key "Decrypt". Ignore the comma and the period in the message
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?
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.
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