Method and device for controlling distribution and use of digital works
作者： Menno Anne Treffers , Antonius Adriaan Maria Staring
DOI:
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摘要: The present invention relates to a method and device for controlling distribution use of digital work stored together with an attached usage right information on record carrier. is encrypted or verified by using hidden which changed at every change said information. may be encryption key used encrypting the information, checksum data block containing Thus, 'copy restore attack' not successful, since it will lead mismatch between restored
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