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chapter 5 blown to bits questions and answers certified 2024
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chapter 5 blown to bits questions and answers certified 2024

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  • September 26, 2024
  • 1
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • chapter 5 blown to bits questions and answers cert

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chapter 5 blown to bits
We accept our loss of privacy in exchange for what? - correct answer
✔Efficiency, convenience, and small price discounts


Briefly describe how Caesar's cipher works. - correct answer ✔To encrypt a
message with Caesar's method, replace each letter in the top row by the
corresponding letter in the bottom row. A cipher is a tool for transforming a
message into an obscured form.


Briefly describe how Frequency Analysis works in decrypting messages. -
correct answer ✔Frequency Analysis works by tallying up each letter in the
collected ciphertext and comparing the percentages against the English
language averages. "If the cipher is a simple substitution of symbols for
letters, then crucial information about which symbols represent which letters
can be gathered from how often the various symbols appear in the ciphertext."


What is the major difference between symmetric encryption and public key
encryption? - correct answer ✔The difference is public key encryption uses a
public key which is open to everyone to encrypt the message and the
symmetric encryption uses a private key to encrypt the message.


What is the purpose of a digital signature? - correct answer ✔The purpose of
a digital signature is to make sure there are no forgeries or impersonations in
electronic transactions or when making announcements.

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