[ http://issues.apache.org/jira/browse/DERBY-1373?page=all ]
Mathias Herberts reassigned DERBY-1373:
---------------------------------------
Assign To: Mathias Herberts
> Encrypted databases cannot be booted using the jar subprotocol (and possibly
> also using http/https/classpath)
> -------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-1373
> URL: http://issues.apache.org/jira/browse/DERBY-1373
> Project: Derby
> Type: Bug
> Components: Store
> Versions: 10.1.2.4
> Environment: Environment does not matter.
> Reporter: Mathias Herberts
> Assignee: Mathias Herberts
> Fix For: 10.2.0.0
> Attachments: InputStreamFile.java-patch, InputStreamRandomAccessFile.java
>
> An encrypted database cannot be booted when using the jar subprotocol.
> The problem lies in the method run from JCECipherFactory. The call to
> getRandomAccessFile returns null when the verifyKeyFile is an instance of
> InputStreamFile and the key verification therefore fails.
> The implementation of getRandomAccessFile for InputStreamFile states that its
> code cannot be reached which is untrue.
> The provided patch does two things, it provides a new class
> InputStreamRandomAccessFile in package org.apache.derby.impl.io. This class
> provides simple implementations of readInt and readFully so the key
> verification process succeeds. A quick scan of the derby source tree showed
> no problem or possible impact of this simple implementation.
> The second thing the patch does is to modify
> org/apache/derby/impl/io/InputStreamFile.java so the getRandomAccessFile
> creates an instance of InputStreamRandomAccessFile instead of returning null.
> This patch has been tested against trunk 410361. It solves the problem at
> least under the jar subprotocol.
> The patch has not been tested against http/https/classpath.
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