# Overview
source: https://developer.mastercard.com/account-to-account-commerce-for-dsp/tutorial/key-exchange-process/index.md

### Overview {#overview}

This tutorial explains the end to end process of generating and exchanging keys required for Account to Account commerce with Mastercard Key Management team in the Key Management Portal of Mastercard Connect.   

### What you will learn {#what-you-will-learn}

* How to exchange MTLS client certificate   
* How to exchange a signing certificate   
* How to renew a certificate