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.
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 .
Upgrade to 12c
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