Method for digital content protection by memory card encryption and decryption

Method for digital content protection by memory card encryption and decryption

  • CN 101,433,012 A
  • Filed: 05/08/2006
  • Published: 05/13/2009
  • Est. Priority Date: 05/08/2006
  • Status: Active Application
First Claim
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1. Claims1st, it is a kind of that the method for protection digital content is used as using memory card encryption and decryption, it is characterised in that mainly to include:

  • A, digital content manufacture end carry out having digital content using tool, and by the memory card of encryption;

    Or digital content is downloaded to the memory card of encryption by network;

    B, network decrypting end, after being connected through consumer'"'"'s connected network with SMOD Web Server, provide corresponding manner of decryption by the server and decrypt, the memory card content can be made to be used.2nd, as claimed in claim 1 using memory card encryption and decryption as the method for protection digital content, the wherein digital content includes presentation content or music content.3rd, as claimed in claim 1 using memory card encryption and decryption as the method for protection digital content, the wherein memory card is any of group selected from SD, MMC, CF, MS, SM, XD., it is as claimed in claim 1 using memory card encryption and decryption as the method for protection digital content, the wherein digital content is the compressed File Format for being formed and being compressed.5th, as claimed in claim 1 using memory card encryption and decryption as the method for protection digital content, wherein this is encrypted as watermark encrypting.6th, as claimed in claim 1 using memory card encryption and decryption as the method for protection digital content, wherein this is encrypted as digital content retailer ID encryptions. '"'"'7th, as claimed in claim 1 using memory card encryption and decryption as the method for protection digital content, the method for the wherein decryption is decrypted by electronic envelope.

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