BID 610

Last updated
BID 610
Date invented1960s
      Type cipher machine

      BID/610, codenamed Alvis, was a British cipher machine [1] used by both British and Canadian governments [2] [3] and also by NATO. It was the first fully transistorised full-duplex online cipher machine used by the British Army. [3] It was introduced in the 1960s [3] and was approved for NATO-wide use on 17 April 1962, [4] after winning a NATO-evaluation for a Tapeless Rotorless On-Line (TROL) cipher machine.

      References

      1. ↑ Easter, David (2019). "Protecting secrets: British diplomatic cipher machines in the early Cold War, 1945–1970". Intelligence and National Security. 34 (2): 157–169. doi:10.1080/02684527.2018.1543749. S2CID   158622527.
      2. ↑ Aldrich, Richard (2010). GCHQ . Harper Press. p.  210. ISBN   9780007312665.
      3. 1 2 3 "BID 610 (Alvis)".
      4. ↑ NATO, Standing Group (1962-04-17). "ALVIS, UK Communications Security Equipment" (PDF). Crypto Museum.{{cite web}}: CS1 maint: url-status (link)


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