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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is a mode of operation for the Block ciphers in cryptography?
A
Electronic Code Book (ECB)
B
Cipher Block Chaining (CBC)
C
Counter (CTR) mode
D
All of the above
Explanation: 

Detailed explanation-1: -ECB mode is used to electronically code messages as their plaintext form. It is the simplest of all block cipher modes of operation. It does not add any randomness to the key stream, and it is the only mode that can be used to encrypt a single-bit stream.

Detailed explanation-2: -Explanation: CBC which stands for Cipher Block chaining is a mode of operation for block ciphers and not for stream ciphers.

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