cryptography

Describes the contributions of Navajo Indians during World War II, when the U.S. employed a secret code based on the Navajo language.

Recounts Chevrillon's experiences as the head of the Code Service in Paris, where sheand fellow Resistance workers served as the main link in communication between the Free French Government in London and the Provisional Government in France.

Randy and Amy, the grandchildren of men who once served on a mission to break the Nazi's fabled Enigma code, join together to create a haven in Southeast Asia where encrypted data can be stored and exchanged free of repression and scrutiny, but their scheme runs into trouble when they unearth a conspiracy that has its roots in WWII.

Traces the history of Native American participation in the U.S. armed forces, focusing on the contributions of the Navajo and Comanche Code Talkers to the World War II effort.

Describes the role of a select group of Navajo Marines who developed a code based on their own native language that provided a means for secure communications among American forces in the Pacific during World War II.

During World War II the Japanese managed to crack every code the United States used. But when the Marines turned to its Navajo recruits to develop and implement a secret military language, they created the only unbroken code in modern warfare and helped assure victory for the United States over Japan in the South Pacific.

Describes how the American military in World War II used a group of Navajo Indians to create an indecipherable code based on their native language.

A history and description of the Allies' code-breaking operations at Bletchley Park during World War II. Covers the events which led to the successful description of German, Italian, and Japanese military and diplomatic codes.

Tells the story of the codebreakers who worked to crack the codes and ciphers of Japan during World War II, featuring a step-by-step account of the codebreaking process, and discussing the personalities of the often eccentric people who accomplished the task.