 World War I cryptography

World War I cryptography refers to the techniques, systems, and practices used for coding and decoding messages during World War I (1914-1918) to ensure secure communication among military and government leaders. This period saw significant advancements in cryptographic methods due to the need for secrecy and the rapid evolution of warfare. Key aspects of World War I cryptography include: 1. **Ciphers and Codes**: Various ciphers were used to encode messages.