Security

A new message encryption scheme inspired by the Sudoku puzzle

A novel advance in data security is discussed in the International Journal of Information and Computer Security in which the Japanese puzzle known as Sudoku promises a cryptographic system for text information that works ...

Computer Sciences

Two new attacks break PDF certification

A security issue in the certification signatures of PDF documents has been discovered by researchers at Ruhr-Universität Bochum. This special form of signed PDF files can be used, for instance, to conclude contracts. Unlike ...

Consumer & Gadgets

Encrypting photos on the cloud to keep them private

The past decade has witnessed scandal after scandal over private images maliciously or accidentally made public. A new study from computer scientists at Columbia Engineering reveals what may be the first way to encrypt personal ...

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