CITP Blog is hosted by Princeton University’s Center for Information Technology Policy, a research center that studies digital technologies in public life. Here you’ll find comment and analysis from the digital frontier, written by the Center’s faculty, students, and friends.
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Rep. Lamar Smith is preparing to introduce a bill in Congress that would increase penalties for copyright infringement and broaden the scope of the DMCA and other copyright laws, according…
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Serialized Posts
Lately I’ve found myself writing short series of posts on a single topic, as with the recent sequence of four posts on HDCP security. This is a departure from the…
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HDCP: Why So Weak?
Today I want to wrap up (I think) the discussion on security weaknesses in HDCP, the encryption scheme used for sending very high-def video from a device like a next-gen…
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HDCP Could Have Been Better
I wrote Friday about weaknesses in the HDCP handshake protocol that is being used to set up encryption of very high-def TV content that is in transit from devices like…
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Making and Breaking HDCP Handshakes
I wrote yesterday about the HDCP/HDMI technology that Hollywood wants to use to restrict the availability of very high-def TV content. Today I want to go under the hood, explaining…
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HDMI and Output Control
Tim Lee at Tech Liberation Front points out an interesting aspect of the new MovieBeam device – it offers its highest-resolution output only to video displays that use the HDMI…
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Understanding the Newts
Recently I’ve been trying to figure out the politics of technology policy. There seem to be regularly drawn battle lines in Congress, but for the most part tech policy doesn’t…
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Princeton-Microsoft Intellectual Property Conference
Please join us for the 2006 Princeton University – Microsoft Intellectual Property Conference, Creativity & I.P. Law: How Intellectual Property Fosters or Hinders Creative Work, May 18-19 at Princeton University.…
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Interoperability, and the Birth of the Web
Tim Berners-Lee was here yesterday, and he told some interesting stories about the birth and growth of the Web. I was particularly intrigued by his description of the environment at…
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Guns vs. Random Bits
Last week Tim Wu gave an interesting lecture here at Princeton – the first in our infotech policy lecture series – entitled “Who Controls the Internet?”, based on his recent…