This topic contains a solution. Click here to go to the answer

Author Question: ________ ciphers move letters around within a message but characters are not substituted. A) ... (Read 144 times)

darbym82

  • Hero Member
  • *****
  • Posts: 570
________ 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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

reelove4eva

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

Answer: A

Answer to Question 2

Answer: C




darbym82

  • Member
  • Posts: 570
Reply 2 on: Jul 7, 2018
Great answer, keep it coming :)


jamesnevil303

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Excellent

 

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

For a complete list of videos, visit our video library