Which of the following is TRUE? R CFB is MORE efficient than CBC for encryption the same size of data OFB can use an encryption algorithm like AES to encrypt the data stream itself O In CFB, the waiting time to start encrypting the input data is LESS than that of CBC O None of the given choices O CTR can NOT be used as a stream cipher

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A: The answer is

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A: Answer: C=225

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A: Q I) A stream cipher key is usually is size _____ bits or ______ bits.

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A:

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Q: Answer the following statement: give a brief definition for a stream cipher.

A: Stream cipher is a cryptographic cipher to convert text to produce ciphertext and back.

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Q: OTP Cipher is an example of stream Cipher. State TRUE OR FALSE  Select one: True False

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A: Answer:)