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Security extensions using at least a portion of layer 2 information or bits in the place of layer 2 information

  • US 8,087,064 B1
  • Filed: 07/20/2001
  • Issued: 12/27/2011
  • Est. Priority Date: 08/31/2000
  • Status: Expired due to Fees
First Claim
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1. A method for authenticating a party to a transaction, the method comprising:

  • receiving a packet having at least a part of layer 2 header information replaced with a unique bit string;

    examining at least a part of the unique bit string;

    comparing the at least a part of the unique bit string examined with stored information; and

    authenticating the party only if the at least a part of the unique bit string examined matches the stored information;

    wherein the at least a part of the unique bit string examined depends on a type of the transaction, the type being a type of financial transaction.

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