Is a specialized CA necessary to generate PROFINET-specific extensions in a certificate?

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Webinar_Question
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Joined: 29 Feb 2024, 07:58

Is a specialized CA necessary to generate PROFINET-specific extensions in a certificate?

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Is a specialized CA necessary to generate PROFINET-specific extensions in a certificate?
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dominik_z
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Joined: 18 Dec 2024, 08:34

Re: Is a specialized CA necessary to generate PROFINET-specific extensions in a certificate?

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Webinar_Question wrote: ↑22 Aug 2025, 09:58 Is a specialized CA necessary to generate PROFINET-specific extensions in a certificate?
No, a special CA is not required (off-the-shelf OpenSSL does the job), despite the PN-specific extensions. Caveat: one has to accept that the CA signs extensions it cannot check semantically.
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