Patent ID: 6330610
Filing Date: 2001-12-11
Classification: G06F

Abstract:
A method of filtering data, the method comprising:providing from a trusted second device, a first filter criteria to an untrusted first device, the first filter criteria being non-private filter criteria and determined at least in part on trustworthiness of the untrusted first device, wherein the untrusted first device uses the first filter criteria to filter data received by the untrusted first device and generate a first set of filtered data;the trusted second device receiving the first set of filtered data from the untrusted first device; andfiltering by the trusted second device the first set of filtered data based on a second filter criteria, the second filter criteria determined at least in part on trustworthiness of the trusted second device, wherein the filtering of the first set of filtered data generates a second set of filtered data, wherein the second filter criteria is different from the first filter criteria.