Title :
Cryptology and the origins of spread spectrum: Engineers during World War II developed an unbreakable scrambler to guarantee secure communications between Allied leaders; actress Hedy Lamarr played a role in the technology
Abstract :
The author describes the development of the scrambler called SIGSALY during World War II that was used for conversations between Churchill and Roosevelt and provides an early example of spread-spectrum communication.
Keywords :
cryptography; encoding; spread spectrum communication; SIGSALY; codes; cryptography; cryptology; encoding; scrambler; spread-spectrum communication; Cryptography; Laboratories; Noise; Privacy; Speech; Synchronization; Vocoders;
Journal_Title :
Spectrum, IEEE
DOI :
10.1109/MSPEC.1984.6370466