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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General Counsel's Role in Shoring Up Authentication Practices Used in Secure Communications
Business conducted over the Internet has benefited hugely from web-based encryption. Retail sales, banking transactions, and secure enterprise applications have all flourished because of the end-to-end protection offered by encrypted…
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Did a denial-of-service attack cause the flash crash? Probably not.
Last June I wrote about an analysis from Nanex.com claiming that a kind of spam called “quote stuffing” on the NYSE network may have caused the “flash crash” of shares…
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Advice for New Graduate Students
[Ed Felten says: This is the time of year when professors offer advice to new students. My colleague Prof. Jennifer Rexford gave a great talk to a group of our…
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Copyright, Censorship, and Domain Name Blacklists at Home in the U.S.
Last week, The New York Times reported that Russian police were using copyright allegations to raid political dissidents, confiscating the computers of advocacy groups and opposition newspapers “under the pretext…
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Understanding the HDCP Master Key Leak
On Monday, somebody posted online an array of numbers which purports to be the secret master key used by HDCP, a video encryption standard used in consumer electronics devices such…
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Why did anybody believe Haystack?
Haystack, a hyped technology that claimed to help political dissidents hide their Internet traffic from their governments, has been pulled by its promoters after independent researchers got a chance to…
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A Software License Agreement Takes it On the Chin
[Update: This post was featured on Slashdot.] [Update: There are two discrete ways of asking whether a court decision is “correct.” The first is to ask: is the law being…
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Indian E-Voting Researcher Freed After Seven Days in Police Custody
FLASH: 4:47 a.m. EDT August 28 — Indian e-voting researcher Hari Prasad was released on bail an hour ago, after seven days in police custody. Magistrate D. H. Sharma reportedly…
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Update: Indian E-Voting Researcher Remains in Police Custody
Update: 8/28 Indian E-Voting Researcher Freed After Seven Days in Police Custody In case you’re just tuning in, e-voting researcher Hari Prasad, with whom I coauthored a paper exposing serious flaws…