R-Transform: Reversible Data Anonymity Base On Numeric Type Of Data In Outsourced Database
—In recent years, a huge amount of data increased rapidly, we need more performance and bigger storage space to
handle such data. Cloud service’s outsourced database is one of solution. But outsourced database has risk of privacy leak. So
there have a scholar proposed a K-Anonymity to protect data’s privacy. K-Anonymity will let quasi-identifiers data attributes
in the database be anonymized and preserve privacy. But K-Anonymity has a problem that data can’t be reversible. So we
propose r-Transform to solve its problem. Our research uses on numeral data attribute. We use three parameters b1, b2and
bitstreamto generate noise and change original data with this noise. It can interference attacker and reach the purpose of
Index Terms—Data Anonymity, Reversible, Outsourced Database, privacy-preserving.