TY - CONF AU - Radia Perlman AU - Charles Kaufman AU - Ray Perlner C2 - Proceedings of the 9th Symposium on Identity and Trust on the Internet (IDtrust 2010), Gaithersburg, MD, US DA - 2010-04-13 00:04:00 DO - https://doi.org/10.1145/1750389.1750399 LA - en PB - Proceedings of the 9th Symposium on Identity and Trust on the Internet (IDtrust 2010), Gaithersburg, MD, US PY - 2010 TI - Privacy-Preserving DRM UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=904959 ER -