Also known as 91-shiki ohbun-injiki, System 91 Printing Machine, Type A Cipher Machine
cipher machine
Connections
encryption
Entity
Secure channel
Entity
World War II
Concept
International Standard Book Number
Entity
vowel
Entity
Latin script
Entity
consonant
Entity
computer keyboard
Entity
cryptocurrency
Entity
cryptography
Entity
patent
Entity
International Telecommunication Union
Entity
least common multiple
Entity
OCLC, Inc.
Entity
battleship
Entity
ransomware
Entity
Enigma
Entity
Tripartite Pact
Entity
hash function
Entity
public-key cryptography
Entity