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From "Tim Ellison (JIRA)" <j...@apache.org>
Subject [jira] Closed: (HARMONY-6248) [classlib][security] Wildcard subjectAltName dNSName entries throw IOException
Date Tue, 07 Jul 2009 07:40:14 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-6248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tim Ellison closed HARMONY-6248.
--------------------------------


Verified by Ian

> [classlib][security] Wildcard subjectAltName dNSName entries throw IOException
> ------------------------------------------------------------------------------
>
>                 Key: HARMONY-6248
>                 URL: https://issues.apache.org/jira/browse/HARMONY-6248
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Ian Payton
>            Assignee: Tim Ellison
>             Fix For: 5.0M11
>
>         Attachments: harmony-6248-v2.patch, harmony-6248.patch
>
>
> Using the DRLCertFactory JCE provider, calling getSubjectAlternativeNames() on an X509Certificate
throws IOException if the subjectAltName extension in the certificate contains a dNSName entry
with a wildcard (such as "*.example.com").
> This is ultimately because GeneralName::checkDNS() does not allow wildcard entries. 
RFC3280 and RFC1034 both discuss wildcards, although a strict reading of RFC3280 would *appear*
not to allow for them in a subjectAltName dNSName.  However, RFC3280 explicitly allows for
application-specific semantics of use of wildcards in subjectAltName.  As the Harmony code
currently stands, it is not possible for an application to even retrieve the subjectAltName
values if they contain a dNSName that does not strictly conform to the "preferred name syntax"
in RFC1034.  So it is not possible for an application to make the decision on what semantics
to apply to a wildcard value.

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