Secure Public Key Infrastructure

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PKI: Each data set digitally signed

Public Key Infrastructure is the heart of a document’s digital security. OSD’s PIA has a PKI module, which is fit for purpose of ICAO compliancy. It manages the creation, distribution, and revocation of digital keys in a secure and organized manner. At its core, PKI provides a cryptographic foundation for confidentiality, integrity, authentication, and non-repudiation.

Key Components of PKI:

  1. Public and Private Keys:
    • PKI employs a pair of cryptographic keys for each user—a public key that is shared openly and a private key kept securely.
    • The public key encrypts data, and the corresponding private key decrypts it, ensuring that only the intended recipient can access the information.
  1. Certificate Authorities (CAs):
    • CAs are the trusted entities responsible for validating the identities of users and issuing digital certificates.
    • These certificates bind a user's identity to their public key, establishing trust in digital transactions.
  1. Registration Authorities (RAs):
    • RAs work alongside CAs, verifying user identities before the issuance of digital certificates.
    • They play a pivotal role in the registration and authentication processes.
  1. Digital Certificates:
    • Digital certificates serve as the electronic equivalent of an individual's identification card.
    • Issued by CAs, these certificates confirm the legitimacy of public keys and facilitate secure communication.

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