Invention Grant
US08949603B2 Database management system and encryption method performed in database 有权
数据库管理系统和加密方法在数据库中执行

Database management system and encryption method performed in database
Abstract:
A database management system (DBMS) performs encryption in a DB. The system receives authentication authorization regarding a security policy of the DB from an external encryption unit that is separated from the DB and performs encryption. Important data in a column unit is selectively encrypted and an encrypted comparison code (ECC) of the important data is generated inside the DB. The encrypted important data and the corresponding ECC is generated as a single encryption data type.
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