As government operations are moved online, information technology security services based on cryptography become essential. Public key cryptography can play an important role in providing enhanced security services related to data protection and strong credentials for identity management. This article attempts to contribute to the limited domain of knowledge available about government practices and projects. The purpose of this article is to provide an overview of the public key infrastructure (PKI) components deployed in the United Arab Emirates national identity system. It provides a comprehensive overview of PKI technology and its primary components. It then provides an overview of the existing cryptographic components and the digital certificates stored in the PKI Applet of the smart ID card, with the purpose of shedding light on what is needed to fulfill the needs for future e-government requirements in the country.