Compare the permutations in des and aes

Assignment Help Computer Engineering

Reference no: EM131907046

Proble

1. Compare the substitution in DES and AES. Why do we have only one substitution table (S-box) in AES. but several in DES?

2. Compare the permutations in DES and AES. Why do we need expansion and compression permutations in DES. but not in AES?

Reference no: EM131907046

Questions Cloud

Determine will you admit or exclude the evidence : Suspect S was arrested in a rest stop by a police officer for speeding on the highway; he was arrested about 30 yards from his car.

Compare the round keys in des and aes : Compare the round keys in DES and AES. In which cipher is the size of the round key the same as the size of the block?

Define the term enumerated powers : Define the term enumerated powers, and identify which of the powers provided to the United States government are considered enumerated?

Standard normal distribution : (a) A random variable X has the standard normal distribution. Use the standard normal Table to determine :

Compare the permutations in des and aes : Compare the permutations in DES and AES. Why do we need expansion and compression permutations in DES. but not in AES?

Discuss about the discovery of five pounds of marijuana : The canine sniff led to the discovery of five pounds of marijuana in the passenger compartment of the car. Was the search valid? Defend your answer.

Which of the four transformations defined for aes change : Which of the four transformations defined for AES change the contents of bytes? Which one does not change the contents of the bytes?

Formulate and test the appropriate hypotheses : Formulate and test the appropriate hypotheses using the p-value approach. What is the p value for eh test? should the research firm reject the null hypothesis

What is your assessment of the cybersecurity triad : What is your assessment of the "cybersecurity triad" and incremental approach to cybersecurity proposed by Harknett and Stever?

User Account

All Pages