Importance

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Abstract

A method of preventing unauthorized access to digital content includes obtaining from a trusted entity a public key of a public-private key pair, encrypting content being received by a storage device using the public key, and storing the encrypted content on the storage device. The public-private key pair includes the public key and a corresponding private key. The content is encrypted on the storage device using the public key so as to be decipherable using a corresponding private key. Access to the corresponding private key is restricted to the trusted entity alone and encrypted content may be decipherable by the trusted entity, only after an indication of authorization for use of the corresponding private key is provided to the trusted entity. Also provided is a method of controlling access to encrypted content that is stored on a storage device operating as a secure storage device.

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First Claim