In India, the term “Public Key Infrastructure” is used in the context of(2020)
a) Digital security infrastructure
b) Food security infrastructure
c) Health care and education infrastructure
d) Telecommunication and transportation infrastructure
Public Key Infrastructure (PKI) is a technology for authenticating users and devices in the digital world. Under this system, one or more trusted parties digitally sign documents certifying that a particular cryptographic key belongs to a particular user or device. The key can then be used as an identity for the user in digital networks.