×

Cryptographically secure authentication device, system and method

  • US 8,996,877 B2
  • Filed: 01/16/2014
  • Issued: 03/31/2015
  • Est. Priority Date: 11/25/2009
  • Status: Active Grant
First Claim
Patent Images

1. A device comprising:

  • a processor;

    a non-volatile memory connected to the processor;

    a private key generator generating a private key, said private key generator connected to the processor, said processor storing the private key in the non-volatile memory;

    an index source indicating an index number to the processor;

    said processor performing a number of hashes on the private key to generate an identifying value, the number of hashes based on the index number stored in the non-volatile memory, said processor providing the identifying value for use in authenticating said device, said identifying value generated as a function of the private key stored only on the non-volatile memory, wherein the number of hashes is based on the difference between the index number and a reference number.

View all claims
  • 10 Assignments
Timeline View
Assignment View
    ×
    ×