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  1. jcroy

    Dvd rom region question

    Bluray's encryption algorithm is government grade strength AES encryption. https://en.wikipedia.org/wiki/Advanced_Encryption_Standard There are no known easy practical ways to crack AES yet.
  2. jcroy

    Dvd rom region question

    In the case of Matshita/Panasonic drives, the generic read command is somewhat more involved than on other dvd drives by other manufacturers. From what I've read over the years, the generic read command on Matshita/Panasonic dvd drives seems to first check whether there is a region mismatch...
  3. jcroy

    Dvd rom region question

    When there is a region mismatch between a disc and the dvd drive, VLC basically cracks that particular dvd disc's encryption keys by brute force on the fly. The dvd css algorithm was designed so poorly, that it only takes a few seconds to crack the vast majority of keys on dvd discs. When...
  4. jcroy

    Dvd rom region question

    That is definitely rpc2. Rpc1 had unlimited region changes. Usually it is in the firmware. A popular hack back in the day, was to modify the dvd drive's firmware from rpc2 to rpc1. These days this would be easiest thing to do. Especially when brand new computer dvd drives are as low as...
  5. jcroy

    Dvd rom region question

    You don't. A brand new computer dvd drive is almost never region free. Without going too much into verboten territory, the only way for a dvd drive to be completely region free is to reverse engineer and hack the drive's firmware. (ie. Can you read a lot of low level assembly language? )...
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