This article presents a practical implementation of encrypted message exchange between two Raspberry Pi devices using a ...

Abstract: Revocable ciphertext policy attribute-based encryption (CP-ABE) provides an effective technology to achieve secure and dynamic data sharing for vehicular ad hoc networks (VANETs). However, ...

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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.

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 ...

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 ...

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 ...