Patent ID: 8190635

Claim:
A method of storing and retrieving a sensitive information which requires being secured in an environment comprising a plurality of application systems that can use said information, storing said information comprising the following steps: at a given application system of said plurality of application systems: receiving said information, generating from said information an extracted data and a complementary data, such that said extracted data and said complementary data taken independently being insufficient for using said information and such that said information generated from said extracted and complementary data taken together, generating an encoded information from said information, sending the extracted data and the encoded information to a server system, at the server system: generating an index and assigning this index to the encoded information and the extracted data, storing the encoded information, the extracted data, and the index in a database associated to the server system, forwarding the index to said given application system of the plurality of application systems, at said given application system: assigning the index to the complementary data, storing the index along with said complementary data in a database associated to said given application system.