Modern ‘primitive’ could ease the pain of encrypting massive amounts of data
Researchers have devised an encryption scheme that could simplify the protection of sensitive information by allowing banks, hospitals and other organizations to lock files using keys that are based on specific attributes, such as an employee’s position or geographic location.
The method, which was unveiled last week, adds to the growing body of research known as functional, or attribute-based encryption. Functional encryption is designed to solve the hassle tied to traditional public-key encryption resulting from distributing and managing thousands or millions of private keys authorized people need to decrypt protected data. If 1,000 people in an organization need to securely share their public key with their co-workers, that requires close to one million separate exchanges.
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