公开(公告)号：US10044718B2

公开(公告)日：2018-08-07

申请号：US14824727

申请日：2015-08-12

Applicant: Google LLC

Inventor： Michael Burrows ,  Martin Abadi ,  Himabindu Pucha ,  Adam Sadovsky ,  Asim Shankar ,  Ankur Taly

IPC: H04L29/06 ,  G06F21/60 ,  G06F21/62

Abstract: In a method of controlling sharing of an object between entities in a distributed system, a processor will identify an object and generate an access control list (ACL) for the object so that the ACL includes a list of clauses. Each clause will include a blessing pattern that will match one or more blessings, and at least one of the clauses also may include a reference to one or more groups. Each group represents a set of strings that represent blessing patterns or fragments of blessing patterns. The processor may generate each clause of the ACL as either a permit clause or a deny clause to indicate whether an entity or entities that have a blessing matched by the blessing pattern are permitted to access the object. The processor will save the ACL to a data store for use in responding to a request to access the object.