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@media screen and (max-device-width: 480px), screen and (-webkit-min-device-pixel-ratio: 2) {
    #email-body { min-width: 30em !important; }
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}
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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>
     commented on <img src="https://issues.shibboleth.net/jira/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#326ca6;text-decoration:none;' href='https://issues.shibboleth.net/jira/browse/OSJ-112'>OSJ-112</a>
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                <a style='color:#326ca6;text-decoration:none;' href='https://issues.shibboleth.net/jira/browse/OSJ-112'><strong>IDP 3.1  Wrong keysize</strong></a>
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        <div class="comment-block" style="background-color:#edf5ff;border:1px solid #dddddd;color:#000000;padding:12px;"><p>Pasting my response on the users list:</p>

<blockquote>
<p>Yes, I'm familiar with the general issue.  IIRC the Java JCA stuff is somewhat inconsistent in what they consider to be the key size for triple DES keys.  Some security provider impls treat it as 192 and some treat it as 168 (or 112 if the DESede variant which reuses the first DES key as the third key also).</p>

<p>I think it has to do with:  Original DES keys were defined as 64 bits.  However 8 bits were defined as parity bits.  This was back (in the 70's I think) when communications channels weren't so reliable, so they built some parity bits right into the key itself.  Or something like that.  So anyway, only 56 bits of actual key material.</p>

<p>So depending on whether they treat a DES key as 56 vs 64 bits, some impls treat a triple DES key as either 168 or 192. </p>

<p>I'll look into it.</p></blockquote></div>
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