M-209 cipher machine

GPTKB entity

Statements (24)
Predicate Object
gptkbp:instanceOf crypt
gptkbp:alsoKnownAs CSP-1500
Converter M-209
gptkbp:countryOfOrigin gptkb:Sweden
gptkbp:designedBy Boris Hagelin
https://www.w3.org/2000/01/rdf-schema#label M-209 cipher machine
gptkbp:introducedIn 1940s
gptkbp:manualOperation yes
gptkbp:maximumMessageLength 250 characters
gptkbp:mechanismOfAction rotor-based
gptkbp:powerSource none (mechanical)
gptkbp:producedBy L.C. Smith & Corona Typewriters Inc.
Smith Corona Typewriter Company
gptkbp:successor gptkb:KL-7_cipher_machine
gptkbp:supportsAlgorithm polyalphabetic substitution
gptkbp:totalProduced over 140,000 units
gptkbp:type portable mechanical cipher device
gptkbp:usedBy gptkb:United_States_Army
gptkbp:usedDuring gptkb:World_War_II
gptkbp:usedFor tactical field communications
gptkbp:weight about 6 pounds
gptkbp:bfsParent gptkb:M-94_cipher_device
gptkb:Red_cipher_machine
gptkbp:bfsLayer 7