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From "Gary D. Gregory (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CODEC-91) Handling of embedded padding in base64 encoded data changed in 1.4
Date Tue, 20 Dec 2011 14:31:30 GMT

     [ https://issues.apache.org/jira/browse/CODEC-91?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary D. Gregory updated CODEC-91:
---------------------------------

    Fix Version/s:     (was: 1.6)
                   1.x
    
> Handling of embedded padding in base64 encoded data changed in 1.4
> ------------------------------------------------------------------
>
>                 Key: CODEC-91
>                 URL: https://issues.apache.org/jira/browse/CODEC-91
>             Project: Commons Codec
>          Issue Type: Bug
>    Affects Versions: 1.4
>            Reporter: Chris Pimlott
>            Assignee: Julius Davies
>             Fix For: 1.x
>
>         Attachments: codec-91-actually-works-and-tests-yay.patch
>
>
> 1.4 changed the way that embedded padding characters (i.e. "=") were handled when decoding
base64 data.  Previously, the decoder ignored them and decoded all the data.  Now it stops
upon encountering the first padding byte.  This breaks compatibility with previous versions.
> For example, in 1.4,
> b64.decode("Y29tbW9ucwo=".getBytes());
> gives the same result as
> b64.decode("Y29tbW9ucwo=Y29tbW9ucwo=".getBytes());

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