Security of Advanced Access Content System: Difference between revisions

Revision as of 00:28, 15 December 2008

Revision as of 02:55, 7 January 2009

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This paper wasMicrosoft later claimed bythat Microsoftthis topaper containcontains various factual errors.<ref>{{cite web|url=http://windowsvistablog.com/blogs/windowsvista/archive/2007/01/20/windows-vista-content-protection-twenty-questions-and-answers.aspx|title=Windows Vista Content Protection - Twenty Questions (and Answers)}}</ref><ref>{{cite web|url=http://en.wikipedia.org/wiki/Peter_Gutmann_%28computer_scientist%29#Criticism_of_Peter_Gutmann.27s_analysis_of_Vista_DRM|title=Criticisms of Vista Analysis}}</ref>

While great care had been taken with AACS to ensure that content was encrypted along the entire path from the disc to the display device, it was discovered in July 2006 that a perfect copy of any still frame from a film could be captured from certain [[Blu-ray]] and [[HD DVD]] software players by using the [[Print Screen]] function of the Windows operating system.<ref>{{cite web