Question: 17. Sometimes, when decrypting a message, a cryptographer can speed process by decrypting a piece of the ciphertext and then making educated guesses about what

17. Sometimes, when decrypting a message, a cryptographer can speed process

by decrypting a piece of the ciphertext and then making educated guesses

17. Sometimes, when decrypting a message, a cryptographer can speed process by decrypting a piece of the ciphertext and then making educated guesses about what follows. For example, if a letter is decrypted as Q, we can be pretty certain that the next letter is U. Suppose RSA is being used with encryption key (e,n) (23,58951). The plaintext is encrypted in

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