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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Bhandaru, Malini K [mailto:malini.k.bhandaru@intel.com] wrote:<br>
<br>
</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoPlainText"><span style="color:#1F497D">>> </span>Every time a key is communicated it is put at risk. Therefore the best keys are generated in Server specific lockboxes,<span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoPlainText"><span style="color:#1F497D">>></span> *never* exposed in plain text and only transferred to other lockboxes under transaction specific encryption enabled<span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoPlainText"><span style="color:#1F497D">>></span> by the key-manager.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText" style="margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="font-family:Wingdings;color:#1F497D"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:#0070C0">Malini: A communication is typically via https or ssl between services. When passing encrypted data between swift nodes<o:p></o:p></span></p>
<p class="MsoPlainText" style="margin-left:.5in"><span style="color:#0070C0">internally, that is the protection. The design proposes passing only the encrypted keys between the Swift node and the key-manager.<o:p></o:p></span></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span style="color:#1F497D">The goal is to protect data at rest. Data is at rest for *<b>years</b>*.<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span style="color:#1F497D">If I intercept the HTTPS communication sharing a storage encryption key and the disk drive, I can spend months cracking the<br>
HTTPS encryption in order to get the key for the data on the drive I stole.<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span style="color:#1F497D">HTTPS or SSL is not intended to guard data against longer than real-time attacks. Anything that secures persistent storage must.<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="color:#1F497D"><o:p> </o:p></span></p>
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