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To make copy protection work, consumers have to be coerced/convinced into using locked-down systems. If we use systems that we have total control over, then cop
by rw 18y ago
To make copy protection work, consumers have to be coerced/convinced into using locked-down systems. If we use systems that we have total control over, then copy protection will never succeed. There still is the analog hole, as well.
- khafra 18y ago> coerced, convinced--or without mainstream alternatives: "Starting in 2006, many new laptop computers have been sold with a Trusted Platform Module chip built-in... Intel is planning to integrate the TPM capabilities into the southbridge chipset in 2008..." http://en.wikipedia.org/wiki/Trusted_Platform_Module http://en.wikipedia.org/wiki/Trusted_Platform_Module Or simply unaware, and with little chance of ever finding out: http://isis.poly.edu/csaw/embedded http://isis.poly.edu/csaw/embedded (and assorted talks at HOPE, Defcon, Shmoocon, etc. on hardware and firmware covert channels)
- tptacek 18y agoConsumers don't care about locked-down systems; if they did, the dominant portable MP3 player would run Linux. It doesn't; it's the iPod. The analog gap isn't an unsolveable CS problem. Yes, you can't encrypt photons. But you can watermark and trace them. Preventing copies is CS-hard. Preventing covert channels is also CS-hard. Watermarks are a defensive application of covert channels. Watermarks -> revocation -> economic disincentive to copying transactions. Watermarks -> evidence -> lawsuit -> economic disincentive to copying at all. Also, none of these things has to work perfectly. The industry's goal isn't to stop copying. It's to capture the maximum amount of revenue per title.