(PM, SM) (PCA, SCA)
Figure 2.2 Amazon.com Obtaining a Certificate from its CA
Note: Explain your answer in details
Question 3: (3 marks)
The Caesar cipher is a classic example of ancient cryptography and is said to have been used by Julius Caesar, also known as shift cipher.
Decipher this cryptogram below to discover the secrets.
Cipher text: MWA-PH: Kv fvb ilsplcl pu yhukvtulzz?
Plaint text: F**_**. ** *** ******* ** **********?
Note: Explain your answer in details
Note:
Students have to follow the steps and complete the tasks in details in order to have the results. If the students only write the result, that is, that result is not marked or recorded.
Students do examination on word file and answer by English
Zoom
+ 100%
Close
