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Mobile communication terminal

  • US 20070203839A1
  • Filed: 04/18/2006
  • Published: 08/30/2007
  • Est. Priority Date: 04/18/2005
  • Status: Active Grant
First Claim
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1. A mobile communication terminal comprising:

  • downloading means for downloading a content from a content server;

    encrypting means for encrypting a content with an encryption key and generating an encrypted content;

    a first memory configured to store first information inherent to the mobile communication terminal;

    a second memory configured to store the encrypted content and a download time which is added to the content when the downloading means downloads the content;

    content moving means for moving the encrypted content and the download time stored in the second memory to an external device;

    key generating means for generating the encryption key by using the download time and the first information;

    control means, if a key generation request which includes the download time is received, for extracting the download time from the request and for making the key generating means generate the encryption key by using the extracted download time and the first information stored in the first memory; and

    transmitting means for transmitting the encryption key generated by the key generating means to the external device.

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