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Public Key Infrastructure (PKI) - (BCA / B.Tech)

Public Key Infrastructure (PKI) and Encryption:

Public Key Infrastructure (PKI) is a security framework that enables secure communication over the internet based on public key cryptography. It provides the foundation for data encryption, digital signatures, and identity management.

Key Components of PKI:

Public and Private Keys: A pair of cryptographically related keys. The public key is used to encrypt data and is shared openly. The private key is kept secret and is used to decrypt the data.

Certificate Authority (CA):

Registration Authority (RA): Verifies the identity of users requesting a certificate from the CA.
Certificate Repository: A database that stores digital certificates.

PKI is essential for secure e-commerce, online banking, and other secure internet communications.

Public Key Infrastructure (PKI)

Public Key Infrastructure (PKI) and Encryption:

In this Chapter