[Smcwg-public] Audit Schem of a S/MIME CA

[陳立群]

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.”

 

Thanks. 

 

       Li-Chun

 

From: Smcwg-public <smcwg-public-bounces at cabforum.org> On Behalf Of 陳立群 via Smcwg-public
Sent: Thursday, August 20, 2020 8:59 AM
To: 'SMIME Certificate Working Group' <smcwg-public at cabforum.org>
Subject: [外部郵件] [Smcwg-public] Audit Schem of a S/MIME CA

 

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 (https://www.cpacanada.ca/-/media/site/operational/ms-member-services/docs/webtrust/webtrust-for-ca-22.pdf?la=en <https://www.cpacanada.ca/-/media/site/operational/ms-member-services/docs/webtrust/webtrust-for-ca-22.pdf?la=en&hash=76D4C1F8363D563CE7FC09031E54ACA2EBFE3E3A> &hash=76D4C1F8363D563CE7FC09031E54ACA2EBFE3E3A) .

 

From the WebTrust for Certification Authorities - Audit Applicability Matrix (https://www.cpacanada.ca/en/business-and-accounting-resources/audit-and-assurance/overview-of-webtrust-services/principles-and-criteria ) 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.

 

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  <https://www.cpacanada.ca/-/media/site/operational/ms-member-services/docs/webtrust/wtbr-241-final--ssl-baseline-with-network-security-june-30-2019.pdf?la=en&hash=15117D0B4FB70FB113C7D1D88802A26FE820FB60> WebTrust Principles and Criteria for Certification Authorities – SSL Baseline with Network Security – Version 2.4.1 page 3. It said that  “However, the Network Security Requirements (Principle 4) would apply to all CAs – Root CA, CA 1, CA 2, CA 3, and CA 4.”. Note that CA-3 is a S/MIME CA. 

                      

    I wonder to know certificate consumers member and CPA Canada’s opinion. 

 

    Thanks.

 

          Li-Chun Chen 

          Chunghwa Telecom 

 

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本信件可能包含中華電信股份有限公司機密資訊,非指定之收件者,請勿蒐集、處理或利用本信件內容,並請銷毀此信件. 如為指定收件者,應確實保護郵件中本公司之營業機密及個人資料,不得任意傳佈或揭露,並應自行確認本郵件之附檔與超連結之安全性,以共同善盡資訊安全與個資保護責任. 
Please be advised that this email message (including any attachments) contains confidential information and may be legally privileged. If you are not the intended recipient, please destroy this message and all attachments from your system and do not further collect, process, or use them. Chunghwa Telecom and all its subsidiaries and associated companies shall not be liable for the improper or incomplete transmission of the information contained in this email nor for any delay in its receipt or damage to your system. If you are the intended recipient, please protect the confidential and/or personal information contained in this email with due care. Any unauthorized use, disclosure or distribution of this message in whole or in part is strictly prohibited. Also, please self-inspect attachments and hyperlinks contained in this email to ensure the information security and to protect personal information.


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