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a b c ……. z 0 1 2 ……. 25

Shift. Question 3:. Map:. a b c ……. z 0 1 2 ……. 25. Cipher. Plain. Shift = (Cipher – Plain) mod 26. We guess that the Key is: naughty To verify that “naughty” is indeed the Key, we attempt to shift the decrypted text to Position 0. Position 0 is where a Key should start.

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a b c ……. z 0 1 2 ……. 25

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  1. Shift Question 3: Map: a b c ……. z 0 1 2 ……. 25 Cipher Plain Shift = (Cipher – Plain) mod 26

  2. We guess that the Key is: naughty • To verify that “naughty” is indeed the Key, we attempt to shift the decrypted text to Position 0. • Position 0 is where a Key should start. • We note that “naughty” starts at Position 0. • Hence “naughty” is the Key.

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