Patent ID: 8601553
Filing Date: 2013-12-03
Classification: G06F,H04L

Abstract:
1. In a computerized device, a method of imposing access control policies, the method comprising: receiving, by the computerized device, a token which is associated with a datum by a tokenization server; generating, by the computerized device and apart from the tokenization server, an access control result based on at least a portion of the token; when the access control result has a first value, imposing, by the computerized device, a first access control policy which includes refraining from sending an access request to the tokenization server; and when the access control result has a second value which is different from the first value, imposing, by the computerized device, a second access control policy which includes sending an access request to the tokenization server, the access request being constructed and arranged to request access to the datum; wherein the datum is a discrete data element satisfying a checksum; wherein receiving the token which is associated with the datum includes: wherein the set of bits further includes a set of hold bits, each hold bit in the set of hold bits having a value equal to a corresponding bit in the discrete data element.