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Method and apparatus for managing a key management system

  • US 7,603,322 B2
  • Filed: 12/29/2006
  • Issued: 10/13/2009
  • Est. Priority Date: 02/25/2002
  • Status: Expired due to Fees
First Claim
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1. A computer readable medium comprising computer executable instructions for retrieving a value secured in a key management system, the instructions, when executed, causing a processor to perform method steps of:

  • obtaining a decoded key list by decoding an encoded key list, wherein the decoded key list comprises a key corresponding to the value;

    receiving a request for the value secured in the key management system from a requesting application, wherein the request comprises the key;

    in response to the request for the value, searching for the key in the decoded key list;

    determining the key corresponding to the value is in the decoded key list;

    obtaining an encrypted tuple, encrypted using a key encryption key associated with a key decryption key, from the key management system using the key, wherein the encrypted tuple comprises the key and the value;

    obtaining a tuple corresponding to the value by decrypting the encrypted tuple using the key decryption key;

    and providing the tuple corresponding to the value to the requesting application.

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