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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Handle key generation with empty challenge string"
href="https://bugs.webkit.org/show_bug.cgi?id=165835">165835</a>
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<th>Summary</th>
<td>Handle key generation with empty challenge string
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
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<th>Version</th>
<td>WebKit Nightly Build
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<th>Hardware</th>
<td>Unspecified
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<th>OS</th>
<td>Unspecified
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>WebCore Misc.
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>wilander@apple.com
</td>
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<pre><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Move WKSignedPublicKeyAndChallengeString into WebCore and make it proper C++"
href="show_bug.cgi?id=160945">https://bugs.webkit.org/show_bug.cgi?id=160945</a> introduced an ASSERT(challenge.data()) that didn't catch empty challenge strings. Also, empty challenge strings are allowed:
"If the element has a challenge attribute, then let challenge be that attribute's value. Otherwise, let challenge be the empty string."
<a href="https://www.w3.org/TR/html5/forms.html#the-keygen-element">https://www.w3.org/TR/html5/forms.html#the-keygen-element</a>
Email certificate generation at <a href="https://www.comodo.com/home/email-security/free-email-certificate.php">https://www.comodo.com/home/email-security/free-email-certificate.php</a> broke because of <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Move WKSignedPublicKeyAndChallengeString into WebCore and make it proper C++"
href="show_bug.cgi?id=160945">https://bugs.webkit.org/show_bug.cgi?id=160945</a>.</pre>
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