William F. Friedman NSA Archive - Papers on the Security of AFSAM 4a Machine (1955), Plain Text Radiation Study of Tsec/Kl-7, Comments on Afsay D802 (1955 "Enciphered Motion" Branching Structure, 1955

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Files W.F.F. Archive Patent and Equipment Records Papers on the Security of AFSAM 4a Machine (1955), Plain Text Radiation Study of Tsec/Kl-7, Comments on Afsay D802 (1955 "Enciphered Motion" Branching Structure, 1955

Comments on Afsay D802; UKUSA C/S 651

Document A56988

462.78 KiB

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Depth Study on the AFSAM 109; S-60.077

Document A56981

204.04 KiB

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Enciphered Motion Branching Structure

Document A56994

128.79 KiB

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Plain Text Radiation Study of Tsec/Kl-7 (AFSAM 7); S-60,081

Document A56974

680.33 KiB

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Preliminary Report on AFSAM 9 Depth Study; UKUSA-343