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DBMS_CRYPTO.ENCRYPT when encrypting NULL data throws ORA-28233: Double Encryption Not Supported (Doc ID 1324337.1)

Last updated on MARCH 03, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

When encrypting BLOB data using DBMS_CRYPTO.ENCRYPT the following error occurs:


Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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