A message is encrypted by shifting the ciphertext alphabet 13 places to the left and mapping the plaintext alphabet top the ciphertext one. What type of encryption is being used here?

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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A message is encrypted by shifting the ciphertext
alphabet 13 places to the left and mapping the
plaintext alphabet top the ciphertext one. What
type of encryption is being used here?
а.
Caesar cipher
b.
Substitution cipher
С.
Elliptic curve cipher
d.
Transposition cipher
е.
Asymmetric cipher
Transcribed Image Text:A message is encrypted by shifting the ciphertext alphabet 13 places to the left and mapping the plaintext alphabet top the ciphertext one. What type of encryption is being used here? а. Caesar cipher b. Substitution cipher С. Elliptic curve cipher d. Transposition cipher е. Asymmetric cipher
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