@misc{13976, keywords = {multicast, networks, Data Communication, Security, access control, Privacy, Broadcast, Group Communication, Encryption, Key Management, Audit, Non-Repudiation}, author = {Bob Briscoe and Ian Fairman}, title = {Nark: Receiver-based Multicast Non-repudiation and Key Management}, year = {1999}, number = {TR-NZG12-1999-001}, month = {06/1999}, publisher = {BT}, url = {http://www.bobbriscoe.net/projects/charging/content/nark/nark_tr.pdf}, }