Certificates

- [Instructor] SSL and TLS are directly related…to PKI certificates.…In other words, you can't have SSL or TLS without PKI.…However, we wanta be careful not…to call certificates SSL certificates or TLS certificates…because, technically, this is a misnomer.…It's a PKI certificate that can be used…for either SSL or TLS securing of network communications.…So the PKI certificate, then, has many names.…It could be a PKI certificate,…it could be called digital certificate,…a security certificate, and also it might be called…a x.509 certificate because it adheres…to the x.509 standard, which is what this is all about.…

Certificates are issued to users.…They could be issued to devices like a smartphone,…or they can be issued to software applications.…And so certificates have a designated, specific use…such as being used for encrypting files…or for securing network traffic using TLS.…Developers might get a code-signing PKI certificate…to digitally sign their software, including scripts…that they might create like PowerShell scripts…