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In cryptography, a Substitution Cipher is one of the simplest and most widely known encryption techniques. Each symbol in the alphabet is replaced by another symbol in the same (or different) alphabet ...

After 35 years, the secretive CIA sculpture finally gave up its mystery, thanks to a novelist, a playwright, and some misplaced documents. But the chase to decode continues. Jim Sanborn couldn’t ...

The 35-year-old saga of Kryptos, an enigmatic sculpture containing four encrypted messages outside the headquarters of the U.S. Central Intelligence Agency, recently took a bizarre twist.

An exclusive, behind-the-scenes look at the quest to rid the Everglades of invasive Burmese pythons—including a record-breaking, 215-pound giant. Researchers Ian Bartoszek (left), Ian Easterling, and ...

Soon to be the official tool for managing Python installations on Windows, the new Python Installation Manager picks up where the ‘py’ launcher left off. Python is a first-class citizen on Microsoft ...

A startling milestone has been reached in Florida's war against the invasive Burmese pythons eating their way across the Everglades. The Conservancy of Southwest Florida reports it has captured and ...

Device security requires designers to secure their algorithms, not only against direct attacks on the input and output, but also against side-channel attacks. This requirement is especially notable ...

Starts with an initial keyword. Extends the decryption key by appending each successfully decrypted letter. Decrypts letters by performing modulo arithmetic on their positions in the alphabet. Uses ...

Abstract: Existing methods for reversible data hiding in ciphertext binary images only involve one data hider to perform data embedding. When the data hider is attacked, the original binary image ...

The application of blockchain technology to covert communication can improve the quality of communication due to its characteristics such as decentralization and anonymity. However, blockchain covert ...