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 104 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 :)


ryhom

  • Member
  • Posts: 366
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

For a complete list of videos, visit our video library