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https://issues.apache.org/jira/browse/CODEC-234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christopher Schultz updated CODEC-234:
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Attachment: CODEC-234-3.diff
The original patch, as advertised, was written with brevity in mind. I agree
that it was multithread-hostile.
Updated patch to include only case-normalization. I'll open another issue with
a separate patch for lookalikes.
> Base32.decode should support lowercase letters
> ----------------------------------------------
>
> Key: CODEC-234
> URL: https://issues.apache.org/jira/browse/CODEC-234
> Project: Commons Codec
> Issue Type: Improvement
> Affects Versions: 1.10
> Reporter: Christopher Schultz
> Priority: Minor
> Attachments: CODEC-234-3.diff
>
>
> Base32.decode accepts a String input, but any lowercase characters are
> ignored -- e.g. Base32.decode("abcd2345") will give a different result than
> Base32.decode("ABCD1234") with no errors and a surprise to a developer.
> Accepting any case is desirable, as RFC 4648 makes it clear that
> case-insensitivity is a goal for Base32 encoding.
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