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From "Colm O hEigeartaigh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (WSS-566) AES_128_GCM does not work for attachments
Date Fri, 18 Mar 2016 10:10:33 GMT

    [ https://issues.apache.org/jira/browse/WSS-566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15201271#comment-15201271
] 

Colm O hEigeartaigh commented on WSS-566:
-----------------------------------------

That's because 2.0.7 is under vote at the moment, hence the branch is already updated to 2.0.8.

Colm.

> AES_128_GCM does not work for attachments
> -----------------------------------------
>
>                 Key: WSS-566
>                 URL: https://issues.apache.org/jira/browse/WSS-566
>             Project: WSS4J
>          Issue Type: Bug
>          Components: WSS4J Core
>    Affects Versions: 2.0.1
>            Reporter: Namrata Jaiswal
>            Assignee: Colm O hEigeartaigh
>            Priority: Critical
>             Fix For: 2.0.7, 2.1.5
>
>         Attachments: graycol.gif, graycol.gif
>
>
> When trying use stax APIs to encrypt and decrypt attachments using AES_GCM_128, it breaks
with error saying 
> Caused by: java.lang.IllegalStateException: Cipher not initialized
>     at javax.crypto.Cipher.d(Unknown Source)
>     at javax.crypto.Cipher.doFinal(Unknown Source)
>     at javax.crypto.CipherInputStream.close(Unknown Source)
> Please note that same code works for AES_128 with attachments.
> Also, I looked into the code stax code, found that org.apache.xml.security.stax.impl.processor.input.AbstractDecryptInputProcessor.processEvent(InputProcessorChain,
boolean) has 
> final int ivLength = JCEAlgorithmMapper.getIVLengthFromURI(algorithmURI) / 8; 
> Not sure if ivLength used for GCM could be the problem?



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