Pre-Grant Publication Number: 20100246827
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 00004
The system of Claim 3, the policy relates to at least one of a statement regarding the at least one decryption key or an associated encryption key; or to an assertion of rules, constraints, or inferences in connection with the at least one decryption key or an associated encryption key; and the pattern of access relates to at least one of one-time access, access limited by a count, access limited by a time period, access limited based upon contextual situation, access limited based upon a type of data or a level of detail or precision for the data, access limited based upon identity, or unlimited access. 
