Code-makers could be on the verge of winning their ancient arms race with code-breakers. After 20 years of research, an encryption process is emerging that is considered unbreakable because it employs ...

The United States National Security Agency — the country’s premier signals intelligence organisation — recently declassified a Cold War-era document about code-breaking. The 1977 book, written by ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American A science librarian once told me that all the ...

In cryptography, the data in a message is encoded by multiplying it with a certain number. To decode the message the receiver must apply a second number, related to the first, called a key. But in ...

UK intelligence agency GCHQ has celebrated its centenary year by releasing emulators for famous code cipher and code breakers used in World War II. Last week, GCHQ said on Twitter that the public can ...

American code breakers have given the United States an edge in every conflict in American history. But with uncrackable encryption available for your cell phone and computer, have U.S. code warriors ...

Andrew Robinson’s many books include Lost Languages: The Enigma of the World’s Undeciphered Scripts and Einstein on the Run: How Britain Saved the World’s Greatest Scientist. He is based in London.