公开(公告)号：NZ598134A

公开(公告)日：2013-03-28

申请号：NZ59813409

申请日：2009-10-01

Applicant: ERICSSON TELEFON AB L M

Inventor： BLOM ROLF ,  LINDHOLM FREDRIK ,  MATTSSON JOHN

IPC: H04L9/32 ,  H04L9/08 ,  H04L29/06

Abstract: A method of sending protected data from a sender unit to a receiver unit via an intermediate unit is disclosed. The method comprises at the intermediate unit: storing information associated with a certificate belonging to the receiver unit and information associated with a certificate belonging to the intermediate unit. The certificate belongs to the intermediate unit being signed by the receiver unit. The method also comprises receiving a request from the sender unit to send protected data to the receiver unit; sending a response to the sender unit, the response including the information associated with the certificate belonging to the receiver unit and receiving from the sender unit data protected using the information associated with certificate belonging to the receiver unit for subsequent forwarding to the receiver unit. Also disclosed is the intermediate unit for receiving protected data on behalf of a receiver unit and sent from a sender unit in a communication network. The receiver unit and the sender unit for use in a communications network in which the sender unit sends protected data to the receiver unit via the intermediate unit are also disclosed.