Encryption - Polyalphabetical Ciphers Technology ID

The research ID for Encryption - Polyalphabetical Ciphers in Hearts of Iron IV is basic_encryption.

Encryption - Polyalphabetical Ciphers

Engineering1938

Unlock this technology with the research command and the tech ID basic_encryption.

With new methods of communication comes new risks for interception. Rotor cipher machines can be used to allow for rapid, complex encryption.