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Authenticating a requestor without providing a key

  • US 7,818,413 B2
  • Filed: 07/07/2008
  • Issued: 10/19/2010
  • Est. Priority Date: 11/12/2004
  • Status: Expired due to Fees
First Claim
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1. A system for authenticating a requesting entity in a subnet communications environment, comprising:

  • a resource provider node configured to determine client identification of a client node associated with the requesting entity by receiving a source identifier from the requesting entity and associating the source identifier with one or more permanent identifiers of the client node, wherein the source identifier is a source logical identifier (SLID), the one or more permanent identifiers are one or more globally unique identifiers (GUID) of the client node;

    wherein the associating the SLID with one or more globally unique identifiers (GUID) of the client node further comprises forwarding the SLID to a subnet administrator; and

    receiving, from the subnet administrator, the one or more GUIDs corresponding to the SLID;

    the resource provider node further configured to determine whether the requesting entity associated with the client node is acting in a supervisor capacity by defining a supervisor only privileged key for each client node in the subnet communications environment, and by determining whether a connection request received from the requested entity includes the supervisor only privileged key corresponding to the client node of the requesting entity; and

    the resource provider node further configured to return a key to the requesting entity upon a determination that the client identification of the client node indicates that the client node is permitted to access one or more resources of the provider node, and that the client node is acting in a supervisor capacity.

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