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Which of the following algorithms are similar to one-time pads?

Which of the following algorithms are similar to one-time pads?

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A.
Asymmetric

B.
Stream

C.
S-boxes

D.
Block

Explanation:
One-time pads are basically stream ciphers considered impossible to
break if implemented and maintained properly. A stream algorithm generates a
keystream that is XORed to the plaintext. A one-time pad is made up of random values
(just like a key stream), which is used to XOR to plaintext data.


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