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<a class="user-hover" rel="ian@iay.org.uk" id="email_ian@iay.org.uk" href="https://issues.shibboleth.net/jira/secure/ViewProfile.jspa?name=ian%40iay.org.uk" style="color:#326ca6;">Ian Young</a>
created <img src="https://issues.shibboleth.net/jira/images/icons/bug.gif" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#326ca6;text-decoration:none;' href='https://issues.shibboleth.net/jira/browse/JXT-101'>JXT-101</a>
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<a style='color:#326ca6;text-decoration:none;' href='https://issues.shibboleth.net/jira/browse/JXT-101'><strong>wrong key algorithm used for elliptic curve keys</strong></a>
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<strong style="font-weight:normal;color:#505050;">Issue Type:</strong>
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<img src="https://issues.shibboleth.net/jira/images/icons/bug.gif" height="16" width="16" border="0" align="absmiddle" alt="Bug"> Bug
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<strong style="font-weight:normal;color:#505050;">Affects Versions:</strong>
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1.3.4 </td>
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<strong style="font-weight:normal;color:#505050;">Assignee:</strong>
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<a class="user-hover" rel="putmanb@shibboleth.net" id="email_putmanb@shibboleth.net" href="https://issues.shibboleth.net/jira/secure/ViewProfile.jspa?name=putmanb%40shibboleth.net" style="color:#326ca6;">Brent Putman</a>
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<strong style="font-weight:normal;color:#505050;">Components:</strong>
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Security </td>
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<strong style="font-weight:normal;color:#505050;">Created:</strong>
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09/Mar/13 5:11 AM
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<strong style="font-weight:normal;color:#505050;">Description:</strong>
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<p style='margin-top:0;margin-bottom:10px;'>The Key.getAlgorithm() value for an elliptic curve key is "EC", as shown here:</p>
<p style='margin-top:0;margin-bottom:10px;'><a href="http://docs.oracle.com/javase/6/docs/technotes/guides/security/StandardNames.html" class="external-link">http://docs.oracle.com/javase/6/docs/technotes/guides/security/StandardNames.html</a></p>
<p style='margin-top:0;margin-bottom:10px;'>See, for example, the section on KeyFactory Algorithms. This is presumably because elliptic curve keys can, in general, be used in the same way as RSA for both encryption and signature, ECDSA is just one use.</p>
<p style='margin-top:0;margin-bottom:10px;'>However, a couple of places in java-xmltooling use the constant "ECDSA" instead. One result of this is that calling BasicSecurityConfiguration.getSignatureAlgorithmURI(signingCredential) will return null instead of an appropriate algorithm URI. Hilarity ensues.</p>
<p style='margin-top:0;margin-bottom:10px;'>Places I think we need to change "ECDSA" to "EC" are:</p>
<p style='margin-top:0;margin-bottom:10px;'>DefaultSecurityConfigurationBootstrap line 70<br/>
SecurityHelper line 153<br/>
SecurityHelperTest line 127</p>
<p style='margin-top:0;margin-bottom:10px;'>Fixing these allows the existing xmlsectool code to sign and verify using EC keys from a Java keystore; the null return causes an NPE otherwise.</p>
<p style='margin-top:0;margin-bottom:10px;'>Literal strings like this freak me out a little, but I don't see anywhere in the Java API that lists them as constants. We might consider inventing something like that, particularly for the V3 code, which I will note currently does the same thing.</p>
<p style='margin-top:0;margin-bottom:10px;'>I suggest verifying that this is correct before cloning over to the OpenSAML V3 project.</p>
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<strong style="font-weight:normal;color:#505050;">Project:</strong>
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<a style="color:#326ca6;" href="https://issues.shibboleth.net/jira/browse/JXT">XMLTooling - Java</a>
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<strong style="font-weight:normal;color:#505050;">Priority:</strong>
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<img src="https://issues.shibboleth.net/jira/images/icons/priority_major.gif" height="16" width="16" border="0" align="absmiddle" alt="Major"> Major
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<strong style="font-weight:normal;color:#505050;">Reporter:</strong>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<a class="user-hover" rel="ian@iay.org.uk" id="email_ian@iay.org.uk" href="https://issues.shibboleth.net/jira/secure/ViewProfile.jspa?name=ian%40iay.org.uk" style="color:#326ca6;">Ian Young</a>
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