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Problems decrypting data with DBMS_CRYPTO that was encrypted in OFB chaining mode after upgrade to 12c (Doc ID 2014909.1)

Last updated on OCTOBER 10, 2022

Applies to:

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

Symptoms

 After upgrade to 12c you may have problems decrypting previously encrypted data using the package DBMS_CRYPTO if it used the chaining mode dbms_crypto.CHAIN_OFB .

Changes

Upgrade to 12c

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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