Jim Sanborn just can’t believe that it’s taking so long for cryptographers and “Brownies” (as they term fans of Dan Brown’s fiction) to decode his sculpture “Kryptos” outside the CIA’s Langley HQ. The New York Times reports that he’s giving them yet another clue:
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The artist who created the enigmatic Kryptos, a puzzle-in-a-sculpture that has driven code breakers to distraction since it was installed 24 years ago in a courtyard at C.I.A. headquarters in Langley, Va., has decided that it is time for a new clue.
By 1999, nine years after it went up, Kryptos fans had deciphered three of the sculpture’s four messages — 865 letters punched through elegantly curved copper sheets that make up the most striking part of the work. (In fact, cryptographers at the National Security Agency cracked those messages in 1993, but kept the triumph to themselves.) The fourth and final passage, a mere 97 characters long, has thwarted thousands of followers ever since.