Compression, Correction, Confidentiality, And Comprehension: A Modern Look At Commercial Telegraph Codes presented at 18th USENIX Security Symposium 2009

by Steven M. Bellovin,

Tags: Security

Summary : Telegraph codes are a more or less forgotten part of technological history. In their day, though, they were ubiquitous and sophisticated. They also laid the groundwork for many of today's communications technologies, including encryption, compression, and error correction. Beyond that, reading them provides a snapshot into the culture of their time. We look back, describing them in modern terms and noting some of the tradeoffs considered.