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Communication channel access based on channel identifier and use policy

  • US 8,838,981 B2
  • Filed: 09/13/2012
  • Issued: 09/16/2014
  • Est. Priority Date: 02/17/2009
  • Status: Active Grant
First Claim
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1. A method implemented in a computing device, the method comprising:

  • obtaining an identifier of a communication channel, the communication channel comprising a removable storage device;

    obtaining a use policy identifying an entity that originated protection of the communication channel as well as how an owner of the communication channel indicates the communication channel is used including techniques employed to protect data stored on the removable storage device, the techniques including how the data is to be encrypted;

    generating, using a private key of a public/private key pair of the owner of the communication channel, a digital signature over the identifier of the communication channel and the use policy; and

    associating the identifier of the communication channel, the use policy, and the digital signature with the communication channel.

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