From the course: SSL Certificates for Web Developers
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Self-signed certificates - SSL Tutorial
From the course: SSL Certificates for Web Developers
Self-signed certificates
- [Instructor] We've learned about certificate authorities and we've seen that there are paid certificates and free certificates. There's another kind of certificate that I at least wanna mention to you, which is self-signed certificates. Self-signed certificates are certificates that have not been approved by a certificate authority, instead they've been signed by you. You're the one who vouches for them, not a certificate authority. That still allows you to perform encryption with them because they still have a public key attached. But what they lack is third party trust. We don't have that organization out on the internet who is vouched or the fact that this public key belongs to this entity. So if you try to visit a website that uses a self-signed certificate, the browser is going to display a security alert because it doesn't trust it. So why in the world would you ever want to use a certificate that isn't trusted by a third party? Well they're useful when you have two systems…
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