The tool leverages this technology to detect security-specific properties within a hardware system. For example, the tool can make sure that a cryptographic key does not leak outside a chip’s cryptographic core.
Computer scientists at the University of California, San Diego, have developed a tool that allows hardware designers and system builders to test security- a first for the field.
One of the tool’s potential uses is described in the May-June issue of IEEE Micro magazine.
“The stakes in hardware security are high”, said Ryan Kastner, a professor of computer science at the Jacobs School of Engineering at UC San Diego.
There is a big push to create the so-called Internet of Things, where all devices are connected and communicate with one another. As a result, embedded systems—small computer systems built around microcontrollers—are becoming more common. But they remain vulnerable to security breaches. Some examples of devices that may be hackable: medical devices, cars, cell phones and smart grid technology.
“Engineers traditionally design devices to be fast and use as little power as possible,” said Jonathan Valamehr, a postdoctoral researcher in the Department of Computer Science and Engineering at UC San Diego. “Oftentimes, they don’t design them with security in mind.”
The tool, based on the team’s research on Gate-level Information Flow Tracking, or GLIFT, tags critical pieces in a hardware’s security system and tracks them. The tool leverages this technology to detect security-specific properties within a hardware system. For example, the tool can make sure that a cryptographic key does not leak outside a chip’s cryptographic core.
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