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 ...

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 ...

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 ...

(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 ...

Concerns that quantum computers may start easily hacking into previously secure communications has motivated researchers to work on innovative new ways to encrypt information. One such method is ...

Nowadays data breaches aren’t rare shocks – they’re a weekly drumbeat. From leaked customer records to stolen source code, our digital lives keep spilling into the open. Git services are especially ...

WhatsApp intentionally keeps blocking private chats to protect users' privacy and safety, but this is one of the ways to ...