/
401.txt
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401.txt
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* 仕様書
[REFS[
- [18] [CITE@en[RFC 5280 - Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile]]
([TIME[2015-02-22 15:44:10 +09:00]] 版)
<http://tools.ietf.org/html/rfc5280#section-3.2>
]REFS]
* 分類
[FIG(short list)[
- [[ルートCA]]
- [[下位CA]]
]FIG]
* Web 用 CA
[13] [[Web]] 用[[証明書]]を発行する [[CA]] は、 [[CA/Browser Forum]]
の [[BR]] に従うのが普通です。
[14] [[BR]] に従わない [[CA]] には次のものがあります。
[FIG(short list)[
- [[CAcert]]
]FIG]
* CA 証明書
[17] [[CA]] の[[証明書]]を特に[DFN[[RUBYB[CA証明書]@en[CA certificate]]]]といいます。
[19] [[PKIX]] における[[CA証明書]]は [[RFC 5280]] で規定されています。
[[CA証明書]]には、次の種別があります [SRC[>>18]]。
[FIG(short list)[
- [[相互証明書]]
- [[自己発行証明書]]
- [[自己署名証明書]]
]FIG]
[20] [[ルートCA]]の[[証明書]]を[[ルート証明書]]といいます。
* メモ
[2] [CITE@en-US[Network Security - CAB Forum]]
([TIME[2015-03-23 23:03:41 +09:00]] 版)
<https://cabforum.org/network-security/>
[FIG(quote)[
[FIGCAPTION[
[3] [CITE@en-US[CA Practices - CAB Forum]]
([TIME[2015-04-02 12:13:02 +09:00]] 版)
<https://cabforum.org/ca-practices/>
]FIGCAPTION]
> In addition to the Extended Validation Guidelines and the Baseline Requirements, the CA / Browser Forum has developed statements about the practices of CAs
]FIG]
[4] [CITE@en[CA:Problematic Practices - MozillaWiki]]
([TIME[2015-04-02 07:13:46 +09:00]] 版)
<https://wiki.mozilla.org/CA:Problematic_Practices>
[5] [CITE@en[CA:Recommended Practices - MozillaWiki]]
([TIME[2015-04-02 07:13:29 +09:00]] 版)
<https://wiki.mozilla.org/CA:Recommended_Practices>
[6] [CITE@en[CA:Overview - MozillaWiki]]
([TIME[2015-04-02 07:20:42 +09:00]] 版)
<https://wiki.mozilla.org/CA:Overview>
[FIG(quote)[
[FIGCAPTION[
[11] ([TIME[2014-11-01 05:54:38 +09:00]] 版)
<https://cabforum.org/wp-content/uploads/BRv1.2.3.pdf#page=10>
]FIGCAPTION]
> Certification Authority: An organization that is responsible for the creation, issuance, revocation, and
> management of Certificates. The term applies equally to both Roots CAs and Subordinate CAs.
>
]FIG]
[FIG(quote)[
[FIGCAPTION[
[12] ([TIME[2014-11-01 05:54:38 +09:00]] 版)
<https://cabforum.org/wp-content/uploads/BRv1.2.3.pdf#page=46>
]FIGCAPTION]
> The CA SHALL host test Web pages that allow Application Software Suppliers to test their software with
> Subscriber Certificates that chain up to each publicly trusted Root Certificate. At a minimum, the CA SHALL host
> separate Web pages using Subscriber Certificates that are (i) valid, (ii) revoked, and (iii) expired.
]FIG]
[FIG(quote)[
[FIGCAPTION[
[15] ([TIME[2014-11-01 05:09:16 +09:00]] 版)
<https://cabforum.org/wp-content/uploads/EV-V1_5_2Libre.pdf#page=41>
]FIGCAPTION]
> The CA MUST host test Web pages that allow Application Software Suppliers to test their software with EV
> Certificates that chain up to each EV Root Certificate. At a minimum, the CA MUST host separate Web pages using
> certificates that are (i) valid (ii) revoked and (iii) expired.
]FIG]