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The First Software-Based Manual Crypto System Produced by the NSA
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52:11 - 56:53 (04:41)

A former NSA employee discusses his involvement in producing the first software-based manual crypto system for the NSA, which was a combination of a paper pad and a floppy disk accompanied by a computer program for encryption and decryption. This was the first instance of software-based cryptography produced by the NSA.

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