This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following does not occur when sending a message using a digital envelope? (a) The ... (Read 90 times)

B

  • Hero Member
  • *****
  • Posts: 570
on: Jul 7, 2018
Which of the following does not occur when sending a message using a digital envelope?
 
  (a) The message is encrypted using a symmetric secret key.
  (b) The secret key is encrypted using public-key encryption.
  (c) A courier is used to transmit the symmetric secret keys between parties.
  (d) All of the above occur when sending a message using a digital envelope.

Question 2

Keys are made secure by choosing a(n) ________ so large that it is computationally infeasible to try all such combinations.
 
  (a) algorithm.
  (b) cipher.
  (c) key length.
  (d) key agreement protocol.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Awesome

  • Sr. Member
  • ****
  • Posts: 280
Reply #1 on: Jul 7, 2018
Answer to Question 1

Ans: (c)

Answer to Question 2

Ans: (c)


B

  • Member
  • Posts: 570
Reply 2 on: Jul 7, 2018
YES! Correct, THANKS for helping me on my review

nathang24

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o
Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i
Ectopic pregnancies. (a) An ectopic pregnancy may occur in any of the locations shown. Interstitial Ectopic pregnancies. (a) An ectopic pregnancy may occur in any of the locations shown. Interstitial
A digital Holter monitor. A digital Holter monitor.
Distribution of Thunderstorms: Approximately 14.5 million thunderstorms occur each year across the ... Distribution of Thunderstorms: Approximately 14.5 million thunderstorms occur each year across the ...
Waterspouts are tornadoes that occur over warm-water bodies, instead of over land. Waterspouts are tornadoes that occur over warm-water bodies, instead of over land.
Video: TRH/TSH/Thyroid hormone

For a complete list of videos, visit our video library