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From "Gary Gregory (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CODEC-91) Handling of embedded padding in base64 encoded data changed in 1.4
Date Mon, 23 Nov 2009 17:37:39 GMT

    [ https://issues.apache.org/jira/browse/CODEC-91?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12781497#action_12781497
] 

Gary Gregory commented on CODEC-91:
-----------------------------------

Good points, it sounds like the behavior should have a toggle ivar.

> 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
>
> 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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