Solution:In India, the term 'Public Key Infrastructure' (PKI) is used in the context of digital security infrastructure. PKI is the set of hardware, software, policies, processes and procedures required to create, manage, distribute, use, store and revoke digital certificates and manage public-key encryption.
It is part of digital security infrastructure as its purpose is to facilitate the secure electronic transfer of information for a range of network activities such as e-commerce, internet banking and confidential email.
It authenticates users and devices in the digital world. PKIs are the foundation that enables the use of technologies, such as digital signatures and encryption, across large user populations.