Generating a self-signed certificate

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The req command is also used to generate a self-signed certificate. The output file should have a *.pem extension.

  • Windows

    Openssl> req -new -x509 -key key-filename.pem -out selfcert.pem -SHA256

  • Linux

    $ openssl req -new -x509 -key key-filename.pem -out selfcert.pem -SHA256