What is the performance difference of pki to symmetric encryption?

Question

We are looking to do some heavy security requirements on our project, and we need to do a lot of encryption that is highly performant.

I think that I know that PKI is mu

Answer 1

Apparently it is 1000x worse. (http://windowsitpro.com/article/articleid/93787/symmetric-vs-asymmetric-ciphers.html). But unless you're really working through a lot of data it isn't going to matter. What you can do is use asymmetric encryption to exchange a symmetric encryption key.