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Author Question: ________ ciphers move letters around within a message but characters are not substituted. A) ... (Read 103 times)

darbym82

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on: Jul 7, 2018
________ ciphers move letters around within a message but characters are not substituted.
 
  A) Transposition
  B) Substitution
  C) Both A and B
  D) Neither A nor B

Question 2

If a key is 43 bits long, how much longer will it take to crack it by exhaustive search if it is extended to 50 bits?
 
  A) 7 times as long
  B) 14 times as long
  C) 128 times as long
  D) 256 times as long


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reelove4eva

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Reply #1 on: Jul 7, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: C


darbym82

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Reply 2 on: Jul 7, 2018
Wow, this really help

tranoy

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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