ARM adding hardware-based security to its cores
Chip designer ARM Ltd. Tuesday said it will add extensions to its processor core next year that incorporate hardware-based security technologies.
Future versions of the company's ARM core for mobile and wireless handset chips will contain protected areas for storage of user authentication keys, and areas of the processor that are off-limits to unauthorized users, said Mary Inglis, director of operating systems and alliances for ARM.
TrustZone, as the extensions are called, creates a parallel domain where secure applications can run alongside nonsecure applications. The operating system or application vendors set the security policies as to what data is designated as secure, and what isn't, Inglis said.
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