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Adobe Assigned Patent

Trusted storage

Adobe Systems Incorporated, San Jose, CA, has been assigned a patent (9,672,333) developed by Lee, Lane W., Boulder, CO, Gurkowski, Mark J., Longmont, CO, and Hines, Randal, Boulder, CO, for a “trusted storage.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “In one embodiment, a method for authenticating access to encrypted content on a storage medium, wherein the encrypted content is encrypted according to a full disk encryption, (FDE) key, the storage medium including an encrypted version of the FDE key and an encrypted version of a protected storage area, (PSA) key, and wherein the encrypted version of the FDE key is encrypted according to the PSA key, the method comprising: providing an authenticated communication channel between a host and a storage engine associated with the storage medium, at the storage engine, receiving a pass code from the host over the authenticated communication channel, hashing the pass code to form a derived key, wherein the encrypted version of the PSA key is encrypted according to the derived key, verifying an authenticity of the pass code, if the pass code is authentic, decrypting the encrypted version of the PSA key to recover the PSA key, decrypting the encrypted FDE key using the recovered PSA key to recover the FDE key, and decrypting the encrypted content using the FDE key.

The patent application was filed on November 5, 2012 (13/669,273).

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