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Salon: SDMI: We're not hacked yet

Nov 08, 2000, 22:53 (1 Talkback[s])
(Other stories by Janelle Brown)

"The three remaining watermarks in the Hack SDMI contest weren't all "successfully" broken after all -- or so goes the news that is coming out of the SDMI meetings Wednesday in Washington. Although all three watermarks had hacks that passed the "oracle" test (which examined whether or not the watermark had been removed), according to the official testing committee report sent out today, two of the security systems managed to pass through the listening and repeatability tests unscathed."

"In an official statement, SDMI executive director Leonardo Chiariglione offered his thanks to the 447 participants and said, "Each submission -- whether successful or not -- taught us important lessons about what can and cannot work in the marketplace." His release also noted that one of the two non-watermark systems included in the hack SDMI test also passed the challenge...."

"The latest results are hardly cut-and-dried. According to SDMI documents, the attempt to break the watermark from Verance, one of the participating companies, failed the listening tests -- but only by a 2-to-1 vote (which suggests that one set of "golden ears" found the sound quality of the hacked files to be perfectly adequate). Another watermark, from Blue Spike, did not pass the repeatability tests, which required that the attack be repeated on three different songs; but only because they failed on one or two of three possible tracks, which suggests that the hacks were successfully repeated on at least one song."

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