- PHP version 7, http://php.net
- OpenSSL, https://www.openssl.org/
- Copy script somewhere inside web root.
- Ensure PHP files can be launched from this place.
- Ensure PHP can run
openssl
tool if launched from web-server.
- Enter necessary data at block "Input data"
- Generate CSR by click "Generate"
- Copy or download private key and CSR request.
- IMPORTANT: save private key somewhere in safe place. If you miss it, certificate (if paid) will be useless.
- jQuery, http://jquery.com/
- Clipboard, https://zenorocha.github.io/clipboard.js
- OpenSSL, https://www.openssl.org/