Quantum noise stream ciphers utilise the inherent randomness of quantum noise in optical systems to secure data transmission at the physical layer. By embedding cryptographic keys into fluctuations ...

You could do worse than to confuse the meanings of "code" and "cipher"—even cryptographers sometime use the terms as though they had the same meaning. There is, however, a definite distinction between ...

The intriguing world of cryptography has its roots in non-standard hieroglyphics, which were discovered on the walls of an Egyptian tomb in 1900 BC. In India, around 400 BC, “substitution cipher” ...

The Zodiac’s serial killer’s 340 cipher, which couldn’t be solved for 50 years, has been cracked by a remote team of mathematicians. A remote team of three hobbyist cryptologists have solved one of ...