When Master Key Is Lost, It Is Not Possible to Recreate New Master Key In HSM

(Doc ID 1314417.1)

Last updated on APRIL 09, 2018

Applies to:

Advanced Networking Option - Version 11.2.0.1 to 11.2.0.2 [Release 11.2]
Information in this document applies to any platform.

Symptoms

While trying to regenerate the master key, after a HSM device crash and a subsequent recovery,  the following error occurs: 


SQL> ALTER SYSTEM SET ENCRYPTION WALLET OPEN IDENTIFIED By "oracle1234";
ALTER SYSTEM SET ENCRYPTION WALLET OPEN IDENTIFIED By "oracle1234"
*
ERROR at line 1:
ORA-28354: wallet already open




The issue can be reproduced at will with the following steps:

1. Configure TDE with HSM
2. Create an encrypted tablespace
3. Rebuild the HSM
4. Drop the encrypted tablespace
5. Try to recreate the master key using the new HSM.


Cause

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