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Which of the following is not an example of a block cipher?

Which of the following is not an example of a block cipher?

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asked Jul 31, 2021 in Cyber Security by Natalie (69.5k points)

Which of the following is not an example of a block cipher?

(a) DES

(b) IDEA

(c) Caesar cipher

(d) Twofish

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This question is from Cryptography in portion Cryptography in Security of Cyber Security

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1 Answer

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answered Aug 2, 2021 by Nathan (1.4m points)
selected Sep 14, 2021 by Natalie

Best answer

The correct option is (c) Caesar cipher

Best explanation: In a block cipher, a sequence of actions is carried out on this block after a block of plain-text bits is chosen for generating a block of cipher-text bits. Examples of block ciphers are DES, IDEA, Twofish etc.

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