alleryStart learning →A message is coded with a 13 place shift and the result is coded the same way again. What do you get?
AText shifted by 13 more
BThe original plaintext
CText in reverse order
DText shifted by 2
Answer & Solution
Correct answer: B. The original plaintext
Two shifts of 13 add up to 26, a full turn of the alphabet, so every letter returns to itself.
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