Communications of the ACM
Alberta Research Aims to Keep Information Secure
Researchers at the University of Calgary and the Southern Alberta Institute of Technology recently tested a system designed to encrypt information for quantum computers.
The team used the quantum technology to send data between the two universities over traditional telecommunications lines, and said the information could not be hacked. Calgary professor Wolfgang Tittel says the signal can be locked and the system will notify the user of attempts to copy or eavesdrop on the transmission.
Tittel notes that the system uses an unbreakable key when transmitting information. "That's a very powerful thing that you do not generally get in the traditional key distribution world, in the traditional telecommunications world," he says.
The researchers plan to focus on extending the system's transmission limit beyond 100 kilometers and finding firewalls that would prevent information from being hacked through a back door.
From CBC News (Canada)
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