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Methods, nodes and computer programs for reduction of undesired energy consumption of a server node

  • US 10,063,586 B2
  • Filed: 07/02/2013
  • Issued: 08/28/2018
  • Est. Priority Date: 07/02/2013
  • Status: Active Grant
First Claim
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1. A server node in a communications network adapted to reduce undesired energy consumption of the server node, wherein the server node comprises:

  • a communication unit;

    a memory; and

    a processor coupled to the memory, the processor configured to;

    receive, via the communication unit, a request message from a client, the request message containing message fields comprising at least a message ID field and an integrity indication field containing a first integrity indication;

    determine a relation key by performing a calculation by usage of a master key commonly known by the server node and an authorization engine and at least data comprised in the message ID field;

    calculate a second integrity indication based on a subset of the message fields by usage of the determined relation key, wherein the subset excludes at least one message field that is predictable by a trusted client;

    verify the subset of the message fields by comparing the first and second integrity indications; and

    determine the message to be authorized when the comparison indicates equality, andas a result of determining that the message is not authorized, suppress reception of the message.

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