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How to use the Encrypt Masking Format to do reversible Data Masking in 12.1 Cloud Control (Doc ID 1572980.1)

Last updated on FEBRUARY 20, 2020

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


In 12.1 Cloud Control a new Data Masking Format called 'Encrypt' has been added. This allows a
column to be encrypted using a regular expression to define the format, and then the use of an
encryption seed when the masking job is run.

Unlike other Data Masking Formats the Encrypt format can be reversed and reverted back to the
original data.

This note discuss how to use the Encrypt format to encrypt a column, and then how to decrypt the
column to revert back to the original values.


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In this Document
  How to mask a column using the Encrypt Format
 How to reverse the masking of an Encrypted column

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