The concept of computer forensics and quantum physics having very much to do with one another might seem strange to most, including those who are already in the field of computer forensics. However, recent work from physicists who are working at the Univ. of Strathclyde and Heriot-Watt Univ. see things a bit differently than most. They found that by utilizing small light particles, they have been able to develop a different method by which they can authenticate electronic messages.

What’s Quantum Physics Got to Do with It?
Light particles, or photons, are actually a useful way that one can now authenticate digital signatures according to the quantum physicists who have been working on the issue. They believe that this is going to provide a much higher level of security, and if they are correct, this is going to mean great things in the world of cybercrime investigations. Just consider all of the different areas where a digital signature is necessary. Whenever anyone shops online, banks on the web, votes, or even updates software, he or she is using a digital signature.

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Source: TechWench