How to create pem file SSLсертификата?

When you purchase an SSL certificate I received these 4 files: enter here the description of the image
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The website "attached" without any problems since buying the certificate from the same hosting provider, where keep website. But who dealt with the creation of the bot for Telegram and it requires the. pem SSL certificate file. Tell me, please, how to generate?
July 9th 19 at 10:10
3 answers
July 9th 19 at 10:12
For telegram-bot need the certificate file only if it is self-signed, if the certificate from Komodo, so then the bot will work, without sending a certificate.
July 9th 19 at 10:14
I saw it. I would be grateful if you explain me in more detail...
Thanks in advance! - Zaria43 commented on July 9th 19 at 10:17
swing binary(openssl) for Windows(if Windows) and run in console by analogy with the fact that the link - mercedes commented on July 9th 19 at 10:20
It's funny, too, watched now API bots for telegram - mercedes commented on July 9th 19 at 10:23
July 9th 19 at 10:16
Obedent CERTIFICATE CSR + PRIVATE KEY (certificate Request) in a file .pem

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