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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-5970) Check that connection attributes have legal values.
Date Thu, 01 Nov 2012 20:11:12 GMT

    [ https://issues.apache.org/jira/browse/DERBY-5970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13488989#comment-13488989
] 

Rick Hillegas commented on DERBY-5970:
--------------------------------------

Tests passed cleanly for me on derby-5970-02-aa-vetDataEncryptionValue.diff.
                
> Check that connection attributes have legal values.
> ---------------------------------------------------
>
>                 Key: DERBY-5970
>                 URL: https://issues.apache.org/jira/browse/DERBY-5970
>             Project: Derby
>          Issue Type: Bug
>          Components: Services
>    Affects Versions: 10.10.0.0
>            Reporter: Rick Hillegas
>         Attachments: derby-5970-01-aa-vetDecryptDatabaseValue.diff, derby-5970-01-ab-vetDecryptDatabaseValue.diff,
derby-5970-02-aa-vetDataEncryptionValue.diff
>
>
> At boot time, Derby does not check whether connection attributes are set to legal values.
This can cause them to be silently ignored. In the case of security operations like re(un)encryption,
these silent failures deceive the DBO into thinking that the security behavior of the database
has changed when, in fact, it hasn't. We should do the following:
> 1) Prevent decryptDatabase from being set to an illegal value. Since this is a new attribute,
there are no backward compatibility issues.
> 2) Evaluate other attributes on a case-by-case basis to determine which ones should raise
exceptions if they are set to illegal values. Technically, this may result in backwardly incompatible
behavior. However, I think that for most attributes, we will decide that the incompatibility
is minor and is a welcome bugfix.

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