@misc{lampson2005security, author = {Lampson, Butler}, title = {Security}, howpublished = {Slides for the TCS Excellence in Computer Sciences Week}, year = {2005}, month = {January}, abstract = {Slides for the TCS Excellence in Computer Sciences Week, 2005. Introduction: what is security? Principals, the “speaks for” relation, and chains of responsibility. Secure channels and encryption. Names and groups. Authenticating systems. Authorization. Implementation.}, url = {http://approjects.co.za/?big=en-us/research/publication/security/}, }