The Farrell Law Firm, P.C.
Method for indexing encrypted column
The present invention relates to a method of creating indexes so that an index scan can be worked for columns in a database encrypted by means of secrete key cipher algorithm. The method of creating indexes according to the present invention comprises the steps of: re-encrypting to be able to maintain the sort ordering based on a plain text; creating new indexes based on the re-encrypted data; and configuring domain index architecture of encrypted columns so that the created index is used for the index scan in a query statement.
Eglobal System Co.
G G H
G06F G06F H04L
inventional inventional inventional
Hee-Chang Dae-Won Yu-ho
Kang Mun Kim