Igor arrived at the national convention of scientists with a bit of a conundrum. "My boss gave me this message," he tells his associates, "but says he can't for the life of him figure out what it says. He won't say where he got it or anything, but he does say he knows it's a fairly well known type of code, at least in the secret code community (igor is behind the times and doesn't actually know the word cipher or cryptography, he was always more of a biology person).
I looked some of them up but couldn't really figure anything out. Unfortunately, he says it's really important for our next project so I really need to get this figured out soon."
He pulls out the letter and hands it to the other scientists. It says:
WLG CMUVGCR EVCIL LW DUPLIF BCQICTF WLG TFLVF GPDZG BYFO HOSUXJ FPRQ NEDW MP PJRX VWCQXA
"Any thoughts?" Igor asks. As they pass it around, though, he finally sees the back of the paper, on which is scrawled in a shaky, ugly hand:
ROT-5
"Oh!" says Igor, "Never mind, I got this."
What does this important message say?
Answer
The message reads
The correct brain is buried beneath the third grave back fourth from left in plot twenty.
Encoding:
This is a Vigenère cipher with keyword DECAY.
ROT-5 is a crossword-style clue to the keyword.
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