Dogtag PKI is an open-source project that provides a comprehensive system for managing Public Key Infrastructure (PKI) operations. It is designed to support the secure issuance, management, and revocation of digital certificates, which are essential for verifying identities and ensuring secure communications over the internet. The software offers a range of PKI services, including a Certificate Authority (CA), Registration Authority (RA), and various tools for certificate management and security-related protocols. Dogtag PKI is highly configurable and scalable, making it suitable for both small and large organizations seeking to implement robust security frameworks.