专利名称：User identity privacy in authorization
certificates
发明人：Claudine Viegas Conrado,Franciscus Lucas
Antonius Johannes Kamperman,Geert JanSchrijen
申请号：US10549885申请日：20040318
公开号：US20070005989A1公开日：20070104
专利附图：
摘要：The present invention relates to methods, devices, computer program products
as well as a signal for providing privacy to a user in relation to data, which data can be acontent identifier (cr_id) for identifying content. For that reason a usage right certificate(UR) generated in relation to the data, includes the data (cr_id), concealed user identifyinginformation (for example by using (H(PK//RAN)) and random data (RAN)) enabling theverification of the user identity in the user identifying information. In this way a user isguaranteed privacy in relation to information, such as content he has purchased.
申请人：Claudine Viegas Conrado,Franciscus Lucas Antonius JohannesKamperman,Geert Jan Schrijen
地址：Eindhoven NL,Eindhoven NL,Eindhoven NL
国籍：NL,NL,NL
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