[jira] [Created] (WSS-566) AES_GCM_128 does not work for attachments

["Namrata Jaiswal (JIRA)" <ji...@apache.org>]

Namrata Jaiswal created WSS-566:
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             Summary: AES_GCM_128 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


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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