The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 06, 2015
Filed:
Dec. 13, 2012
Ari Juels, Brookline, MA (US);
Guoying Luo, Lexington, MA (US);
Ari Juels, Brookline, MA (US);
Guoying Luo, Lexington, MA (US);
EMC Corporation, Hopkinton, MA (US);
Abstract
Methods, apparatus and articles of manufacture for decrypting a protected resource on a cryptographic device are provided herein. A method includes decrypting encoded information under a first cryptographic key to access a protected resource, wherein the first cryptographic key is read from a first cryptographic device subsequent to authenticating to the first cryptographic device using a first authentication key, randomly selecting a second cryptographic key, encrypting the protected resource under the second cryptographic key, and writing the second cryptographic key onto the first cryptographic device subsequent to authenticating to the first cryptographic device.