Pre-Grant Publication Number: 20100246827
User-specified sharing of data via policy and/or inference from a hierarchical cryptographic store
Filing Date: March 27, 2009Priority Date: March 27, 2008
Inventors: Kristin Estella Lauter, Mihir Bellare, Josh Benaloh, Melissa E. Chase, Erik J. Horvitz, Chris Demetrios Karkanias
Assignee(s): Microsoft Corporation
Current U.S. Classification: 380, 380/278000, 380/045000
View Prior Art for Claim 00005
The system of Claim 3, the policy is encrypted and the information includes a policy decryption key and an encrypted layer of the hierarchy; the key generation component employs the policy decryption key to decrypt the policy and further to reveal an additional layer of the hierarchy or an additional policy key.
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