20100091986 | Information Management System and Encryption System - A system capable of surely preventing a theft or leak of information which comprises: an information registration destination decision unit deciding registration destinations of information; a distribution unit information generation unit generating distribution unit information pieces; and a plurality of storage grids connectable to the distribution unit information generation unit. The distribution unit information generation unit multiplies original data and divides the multiplied data into a plurality of distribution unit information pieces such that each distribution unit information piece does not include all the elements contained in the original data and the same element occurs repeatedly in the same piece for generation of the distribution unit information pieces, and registers the distribution unit information pieces in the respective storage grids based on the management information about the correlation between the distribution unit information pieces and the storage grids as their registration destinations generated by the information registration destination decision unit. | 04-15-2010 |