Étiquette : cipher
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AI Meets Historical Codes: What Machine Learning Has Cracked, and Has Not
In December 2020, an Australian computational linguist named Sam Blake, working with American software developer David Oranchak and Belgian programmer Jarl Van Eycke, announced that they had broken the Z-340 cipher — a 340-character cipher mailed by the Zodiac Killer to the San Francisco Chronicle in November 1969 and unsolved for fifty-one years. The team’s…