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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Trebuchet MS",sans-serif">In the example diagram, Issuing CA 2 would need to receive a WebTrust for CA based on Mozilla policy 3.1.2.1. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Trebuchet MS",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><img width="772" height="403" style="width:8.0416in;height:4.2013in" id="Picture_x0020_1" src="cid:image001.png@01D676D3.EACA1EA0"><span style="font-size:10.5pt;font-family:"Trebuchet MS",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Trebuchet MS",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif;color:#404040">Jeff Ward, CPA, CGMA, CITP, CISA, CISSP, CEH</span></b><span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif;color:#404040"><br>
National Managing Partner Third Party Attestation (SOC/WebTrust/Cybersecurity)<br>
314-889-1220 (Direct) 347-1220 (Internal)<br>
314-387-0189 (Mobile)</span><br>
<span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif;color:#ED1A3B"><a href="mailto:jward@bdo.com"><span style="color:#ED1A3B">jward@bdo.com</span></a></span><br>
<br>
<b><span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif;color:#404040">BDO</span></b><br>
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UNITED STATES<br>
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<i><span style="font-size:10.0pt;font-family:trebuchet;color:green">Please consider the environment before printing this e-mail</span></i><br>
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<a href="https://www.bdo.com/resource-centers/understanding-the-business-impacts-of-covid-19"><span style="color:blue;text-decoration:none"><img border="0" width="250" height="41" style="width:2.6041in;height:.4305in" id="_x0000_i1026" src="https://bdousprodintwebappssta.blob.core.windows.net/osd/Icons/covid.jpg" alt="covid-19"></span></a><span style="font-size:10.5pt;font-family:"Trebuchet MS",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><b>From:</b> Smcwg-public <smcwg-public-bounces@cabforum.org>
<b>On Behalf Of </b>??? via Smcwg-public<br>
<b>Sent:</b> Wednesday, August 19, 2020 9:29 PM<br>
<b>To:</b> 'SMIME Certificate Working Group' <smcwg-public@cabforum.org><br>
<b>Subject:</b> Re: [Smcwg-public] Audit Schem of a S/MIME CA<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p style="background:lightgreen"><span style="mso-fareast-language:ZH-TW">Attention: This email was sent from someone outside of BDO USA. Always use caution when opening attachments or clicking links from unknown senders or when receiving unexpected emails.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:#1F497D;mso-fareast-language:ZH-TW">There are some typo in previous e-mail, such as “audit schema” should be “audit scheme”, “I wonder to know certificate consumers member and CPA Canada’s opinion.”
should be “I wonder to know certificate consumers members’ and CPA Canada WebTrust Task Force’s opinion.”<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:#1F497D;mso-fareast-language:ZH-TW"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:#1F497D;mso-fareast-language:ZH-TW">Thanks.
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:24.0pt"><span style="font-size:12.0pt;color:#1F497D;mso-fareast-language:ZH-TW"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:#1F497D;mso-fareast-language:ZH-TW"> Li-Chun<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:#1F497D;mso-fareast-language:ZH-TW"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="mso-fareast-language:ZH-TW">From:</span></b><span style="mso-fareast-language:ZH-TW"> Smcwg-public <<a href="mailto:smcwg-public-bounces@cabforum.org">smcwg-public-bounces@cabforum.org</a>>
<b>On Behalf Of </b></span><span lang="ZH-TW" style="font-family:PMingLiU;mso-fareast-language:ZH-TW">陳立群</span><span style="mso-fareast-language:ZH-TW"> via Smcwg-public<br>
<b>Sent:</b> Thursday, August 20, 2020 8:59 AM<br>
<b>To:</b> 'SMIME Certificate Working Group' <<a href="mailto:smcwg-public@cabforum.org">smcwg-public@cabforum.org</a>><br>
<b>Subject:</b> [</span><span lang="ZH-TW" style="font-family:PMingLiU;mso-fareast-language:ZH-TW">外部郵件</span><span style="mso-fareast-language:ZH-TW">] [Smcwg-public] Audit Schem of a S/MIME CA<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-fareast-language:ZH-TW"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:16.5pt"><span style="mso-fareast-language:ZH-TW">I wonder the audit schema of an issuing CA issue S/MIME certificate as the issuing CA 2 (S/MIME Certificates) in upper diagram of page 10 of WebTrust for CA 2.2</span><span style="font-size:12.0pt;color:#1F497D;mso-fareast-language:ZH-TW">
(<a href="https://nam05.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.cpacanada.ca%2F-%2Fmedia%2Fsite%2Foperational%2Fms-member-services%2Fdocs%2Fwebtrust%2Fwebtrust-for-ca-22.pdf%3Fla%3Den%26hash%3D76D4C1F8363D563CE7FC09031E54ACA2EBFE3E3A&data=02%7C01%7Cjward%40bdo.com%7Cd9a1dc20a1c4463b1a9e08d844b0d4ba%7C6e57fc1a413e405091da7d2dc8543e3c%7C0%7C1%7C637334873576347837&sdata=Dcj%2FUEXPUpcibGqIyr6pDHD52KQHFCtV04kdGkO3dQ8%3D&reserved=0">https://www.cpacanada.ca/-/media/site/operational/ms-member-services/docs/webtrust/webtrust-for-ca-22.pdf?la=en&hash=76D4C1F8363D563CE7FC09031E54ACA2EBFE3E3A</a>)
.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:#1F497D;mso-fareast-language:ZH-TW"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:16.5pt"><span style="mso-fareast-language:ZH-TW">From the WebTrust for Certification Authorities - Audit Applicability Matrix</span><span style="font-size:12.0pt;color:#1F497D;mso-fareast-language:ZH-TW"> (</span><span style="mso-fareast-language:ZH-TW"><a href="https://nam05.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.cpacanada.ca%2Fen%2Fbusiness-and-accounting-resources%2Faudit-and-assurance%2Foverview-of-webtrust-services%2Fprinciples-and-criteria&data=02%7C01%7Cjward%40bdo.com%7Cd9a1dc20a1c4463b1a9e08d844b0d4ba%7C6e57fc1a413e405091da7d2dc8543e3c%7C0%7C1%7C637334873576357835&sdata=6BnhRKLSIm0juQIetrebLC8yVsDZz1dTcTTjnqe1ryU%3D&reserved=0">https://www.cpacanada.ca/en/business-and-accounting-resources/audit-and-assurance/overview-of-webtrust-services/principles-and-criteria</a>
) or as attached file, this issuing CA2 (S/MIME Certificates) belong to “Publicly-Trusted Commercial PKI - All other uses” or “Publicly-Trusted Government PKI - All other uses” , so the audit scheme should be RKGC, Key Protection and WebTrust.</span><span style="font-size:12.0pt;color:#1F497D;mso-fareast-language:ZH-TW"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:#1F497D;mso-fareast-language:ZH-TW"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:16.5pt;text-autospace:none"><span style="mso-fareast-language:ZH-TW">But someone may argue as the Root CA in upper diagram of page 10 of WebTrust for CA 2.2 has website and e-mail trust bits. The issuing CA 2 (S/MIME
Certificates should pass WebTurst for CA-SSL BR with Network Security Audit Criteria Principles 4. I see
<a href="https://nam05.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.cpacanada.ca%2F-%2Fmedia%2Fsite%2Foperational%2Fms-member-services%2Fdocs%2Fwebtrust%2Fwtbr-241-final--ssl-baseline-with-network-security-june-30-2019.pdf%3Fla%3Den%26hash%3D15117D0B4FB70FB113C7D1D88802A26FE820FB60&data=02%7C01%7Cjward%40bdo.com%7Cd9a1dc20a1c4463b1a9e08d844b0d4ba%7C6e57fc1a413e405091da7d2dc8543e3c%7C0%7C1%7C637334873576367829&sdata=cIQc0gHmeiTEapha0rmEfef8QMTzp8w0FRXLlIym5E8%3D&reserved=0">
<span style="color:windowtext;text-decoration:none">WebTrust Principles and Criteria for Certification Authorities – SSL Baseline with Network Security – Version 2.4.1</span></a> page 3. It said that “However, the Network Security Requirements (Principle 4)
would apply to all CAs </span><span lang="ZH-TW" style="font-family:PMingLiU;mso-fareast-language:ZH-TW">–</span><span style="mso-fareast-language:ZH-TW"> Root CA, CA 1, CA 2, CA 3, and CA 4.”. Note that CA-3 is a S/MIME CA.
</span><span style="font-size:10.5pt;font-family:CIDFont+F2;mso-fareast-language:ZH-TW"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-TW">
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-TW"> I wonder to know certificate consumers member and CPA Canada’s opinion.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-TW"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-TW"> Thanks.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-TW"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-TW"> Li-Chun Chen
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-TW"> Chunghwa Telecom
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:PMingLiU;mso-fareast-language:ZH-TW"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="ZH-TW" style="font-size:12.0pt;font-family:PMingLiU;mso-fareast-language:ZH-TW">本信件可能包含中華電信股份有限公司機密資訊</span><span style="font-size:12.0pt;font-family:PMingLiU;mso-fareast-language:ZH-TW">,<span lang="ZH-TW">非指定之收件者</span>,<span lang="ZH-TW">請勿蒐集、處理或利用本信件內容</span>,<span lang="ZH-TW">並請銷毀此信件</span>.
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:PMingLiU;mso-fareast-language:ZH-TW"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="ZH-TW" style="font-family:"MS Gothic";mso-fareast-language:ZH-TW">本信件可能包含中華電信股份有限公司機密資訊</span><span style="mso-fareast-language:ZH-TW">,</span><span lang="ZH-TW" style="font-family:"MS Gothic";mso-fareast-language:ZH-TW">非指定之收件者</span><span style="mso-fareast-language:ZH-TW">,</span><span lang="ZH-TW" style="font-family:"MS Gothic";mso-fareast-language:ZH-TW">請勿蒐集、處理或利用本信件</span><span lang="ZH-TW" style="font-family:"Malgun Gothic",sans-serif;mso-fareast-language:ZH-TW">內容</span><span style="mso-fareast-language:ZH-TW">,</span><span lang="ZH-TW" style="font-family:"MS Gothic";mso-fareast-language:ZH-TW">並請銷毀此信件</span><span style="mso-fareast-language:ZH-TW">.
</span><span lang="ZH-TW" style="font-family:"MS Gothic";mso-fareast-language:ZH-TW">如為指定收件者</span><span style="mso-fareast-language:ZH-TW">,</span><span lang="ZH-TW" style="font-family:"MS Gothic";mso-fareast-language:ZH-TW">應確實保護郵件中本公司之營業機密及個人資料</span><span style="mso-fareast-language:ZH-TW">,</span><span lang="ZH-TW" style="font-family:"MS Gothic";mso-fareast-language:ZH-TW">不得任意傳佈或揭露</span><span style="mso-fareast-language:ZH-TW">,</span><span lang="ZH-TW" style="font-family:"MS Gothic";mso-fareast-language:ZH-TW">並應自行確認本郵件之附檔與超連結之安全性</span><span style="mso-fareast-language:ZH-TW">,</span><span lang="ZH-TW" style="font-family:"MS Gothic";mso-fareast-language:ZH-TW">以共同善盡資訊安全與個資保護責任</span><span style="mso-fareast-language:ZH-TW">. <o:p></o:p></span></p>
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