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:
May. 05, 2015
Filed:
Dec. 30, 2010
Tolga Acar, Sammamish, WA (US);
Brian Lamacchia, Bellevue, WA (US);
Henry Jerez Morales, Seattle, WA (US);
Lan Duy Nguyen, Bellevue, WA (US);
David Robinson, Seattle, WA (US);
Talha Bin Tariq, Bellevue, WA (US);
Tolga Acar, Sammamish, WA (US);
Brian LaMacchia, Bellevue, WA (US);
Henry Jerez Morales, Seattle, WA (US);
Lan Duy Nguyen, Bellevue, WA (US);
David Robinson, Seattle, WA (US);
Talha Bin Tariq, Bellevue, WA (US);
Microsoft Technology Licensing, LLC, Redmond, WA (US);
Abstract
Described herein are techniques for distributed key management (DKM) in cooperation with Trusted Platform Modules (TPMs). The use of TPMs strengthens the storage and processing security surrounding management of distributed keys. DKM-managed secret keys are not persistently stored in clear form. In effect, the TPMs of participating DKM nodes provide security for DKM keys, and a DKM key, once decrypted with a TPM, is available to be used from memory for ordinary cryptographic operations to encrypt and decrypt user data. TPM public keys can be used to determine the set of trusted nodes to which TPM-encrypted secret keys can be distributed.