Hierarchical key assignment schemes constitute a fundamental framework in cryptographic systems, enabling the secure distribution of encryption keys across organised structures. These schemes ensure ...

Opinion articles provide independent perspectives on key community issues, separate from our newsroom reporting. By Ophelia Garmon-Brown and Dee O’Dell Special to the Observer As we work to find ways ...

Since the release of ChatGPT a little more than six months ago, students have quickly figured out how to get the free AI chatbot to do their homework for them. That has sparked a burst of activity by ...