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Pin-wheel Hagelin CD-57 →
Pin-and-lug pocket cipher machine
- this page is a stub
CD-55 is a hand-held mechanical cipher machine, developed
by Boris Hagelin
and introduced in late 1955 by Crypto AG in Zug (Switzerland).
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At present, this page acts as a placeholder for future information about
the CD-55. For the time being, please refer to our page about very similar
identical CD-57.
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Bad quality copy. Extracted from Boris Hagelin's security file
AFOIN-1A3 (Harold/DIRNSA), 28 May 1956.
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© Crypto Museum. Created: Sunday 22 December 2024. Last changed: Sunday, 22 December 2024 - 14:58 CET.
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