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current | 10:54, 16 June 2016 | 3,300 × 2,550 (628 KB) | ArnoldReinhold | {{Information |Description ={{en|1=Punch Verification and Print system developed in the late 1970s and used by the U.S. National Security Agency to mass produce cryptography keys on punched tape.}} |Source =https://www.nsa.gov/about/cryptolo... |