In this paper, a color image encryption method based on finger vein key and off-axis digital holography with phase-modulated reference light is proposed. In the encryption process, firstly the channel ...

An international team of researchers has tested a new form of quantum cryptography that could lead to the ultimate standard in secure communications with real-world devices. It is based on quantum key ...

In recent years, the transmission of multimedia content has become an essential aspect of information security. Information security can be divided into two essential components: content hiding and ...

(Nanowerk News) Metasurfaces, composed of nanoresonator arrays with tailored structure and subwavelength feature size, show the potential of manipulating various degrees of freedom for manipulating ...

In a new approach to security that unites technology and art, E researchers have combined silver nanostructures with polarized light to yield a range of brilliant colors, which can be used to encode ...

In a new approach to security that unites technology and art, EPFL researchers have combined silver nanostructures with polarized light to yield a range of brilliant colors, which can be used to ...

Cryptography is something of a new field for Olivier Martin, who has been studying the optics of nanostructures for many years as head of the Nanophotonics and Metrology Lab EPFL’s School of ...

Encryption is a cornerstone of digital security, but can be pretty difficult to understand, especially for all of us non-math people. Generally speaking, encryption safeguards sensitive data from ...

After four years of testing, the US National Institute of Standards and Technology (NIST) has announced its favorite encryption method for “lightweight cryptography”, designed to work on low-powered ...