In some applications, a passcode consisting of some number of digits is required (for example, a PIN). Using the number-to-letter conversion on a telephone,
a. What passcode corresponds to the password “hello”?
b. Find as many passwords as you can that correspond to the passcode 5465, where each password is an English dictionary word.
Strong passwords can be derived from passphrases.
a. Give two passwords derived from the passphrase “Gentlemen do not read other gentlemen’s mail.”
b. Give two passwords derived from the passphrase “Are you who you say you are?”
2 For each of the following passwords, give a passphrase that the password could have been derived from.
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