Question: Why is the one - time pad not practical? Group of answer choices The key has to be the same size as the plaintext The

Why is the one-time pad not practical?
Group of answer choices
The key has to be the same size as the plaintext
The key is random
The ciphertext has to be the same size as the plaintext
If you know the ciphertext, you can only obtain the length of the plaintext

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