National Information Technology Agency
...the national ICT regulator
...the national ICT regulator

Public Key Infrastructure (PKI)

Public Key Infrastructure (PKI)

Public Key Infrastructure (PKI) is a critical enabler of secure digital interactions within government and the private sector. It provides a framework for issuing, managing, and validating digital certificates and encryption keys, ensuring the authenticity, confidentiality, and integrity of electronic data and communications.

At the core of PKI is a system of public and private cryptographic key pairs and trusted third-party Certificate Authorities (CAs). These elements work together to validate identities and establish trust for secure online interactions—whether between individuals, organizations, or devices.

Core Components

  • Certificate Authority (CA)
  • Registration Authority (RA)
  • Public & Private Key Pairs
  • Digital Certificates
  • Certificate Revocation List (CRL)

Functions and Use Cases

PKI supports a wide range of secure digital services and interactions. It is especially important in public sector digital transformation initiatives where trust and data security are paramount.

  • Securing websites and online platforms using SSL/TLS
  • Digitally signing emails and documents
  • Authenticating users and devices
  • Encrypting sensitive government communications
  • Enabling e-government services such as e-signatures and e-payments

Benefits to Government

PKI enables government institutions to conduct secure, trusted, and legally compliant digital transactions. It plays a key role in building citizens’ confidence in online public services, reducing fraud, and improving service delivery through secure digital channels.

National Implementation

In Ghana, the implementation of PKI is led by the National Information Technology Agency (NITA) in collaboration with key stakeholders. The initiative supports the secure exchange of information across government platforms and is aligned with national cybersecurity and digital transformation strategies.

Future Outlook

As Ghana expands its digital infrastructure, PKI will remain central to ensuring trusted identities, safeguarding national data, and enabling the growth of a resilient digital economy. It provides the backbone for emerging technologies such as e-passports, digital ID systems, and secure digital voting.