Question: Suppose we intercept a ciphertext `IQOHIH', and we know a 26 letter alphabet and an ane enciphering function were used on single letter message units,

Suppose we intercept a ciphertext `IQOHIH', and we know a 26 letter alphabet and an

ane enciphering function were used on single letter message units, with A = 0;B =

1; : : : ;Z = 25, as usual for the 26 letter alphabet. We also know that the last three

characters of the plaintext were `LOL'. Decipher the ciphertext.

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