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https://issues.apache.org/jira/browse/CASSANDRA-2851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13100287#comment-13100287
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Jonathan Ellis commented on CASSANDRA-2851:
-------------------------------------------
That sounds reasonable.
> hex-to-bytes conversion accepts invalid inputs silently
> -------------------------------------------------------
>
> Key: CASSANDRA-2851
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2851
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.7.6, 0.8.1
> Reporter: David Allsopp
> Priority: Minor
> Fix For: 1.1
>
> Attachments: cassandra-2851.diff
>
>
> FBUtilities.hexToBytes() has a minor bug - it copes with single-character
> inputs by prepending "0", which is OK - but it does this for any input with
> an odd number of characters, which is probably incorrect.
> {noformat}
> if (str.length() % 2 == 1)
> str = "0" + str;
> {noformat}
> Given 'fff' as an input, can we really assume that this should be '0fff'?
> Isn't this just an error?
> Add the following to FBUtilitiesTest to demonstrate:
> {noformat}
> String[] badvalues = new String[]{"000", "fff"};
>
> for (int i = 0; i < badvalues.length; i++)
> try
> {
> FBUtilities.hexToBytes(badvalues[i]);
> fail("Invalid hex value accepted"+badvalues[i]);
> } catch (Exception e){}
> {noformat}
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