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CA certificate date of issue

Our company is currently implementing the TSA (Time Stamp Authority) service. And now we're looking for a CA (Certification Authority) that can issue a certificate with the intended use: Timestamping. I contacted several CAs, but they only offer Digital ID certificates and do not know anything about TSA. Maybe someone has experience with such a problem?

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I doubt that you will find any commercial CAs offering certificates using timestamping. There is no market, and this is contrary to their interests. Just like a certificate using CA or OSCPSigning, you can only get it if you have some kind of business deal with CA.

If you offer a TSP service, you can simply use a regular certificate and ignore the use. Depending on the library used, it cannot check usage at all. However, Java 6 checks it out.

You can also use a self-signed certificate and distribute your root certificate authority to those who want to perform a local verification.

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Source: https://habr.com/ru/post/1747808/

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