EJBCA® – Open-source public key infrastructure (PKI) and certificate authority (CA) software.

XiPKI: Compact open source PKI (CA, OCSP responder, certificate protocols ACME, CMP, EST, SCEP).

The Dogtag Certificate System is an enterprise-class Certificate Authority (CA) which supports all aspects of certificate lifecycle management, including key archival, OCSP and smartcard management.

Tencent Kona SM Suite contains a set of Java security providers, which support algorithms SM2, SM3 and SM4, and protocols TLCP/GMSSL, TLS 1.3 (with RFC 8998) and TLS 1.2.

SignServer – Open source, PKI-based signing software to sign code, documents, timestamps and more.

⭐ Приложение-сервер для работы с Электронно Цифровой Подписью (ЭЦП) РК

A Java Card PKI Applet aiming to be ISO 7816 compliant

Repositório que contém os componentes para facilitar a implementação de assinatura digital nos padrões da ICP-BRASIL

A java / spring boot application to help you sign and check signed pdf documents

littleca是一个基于BC的小型ca库,支持ecc,rsa,dsa,sm2的证书签发,加密解密,签名验签操作,支持国密加解密,证书签发

A CONIKS implementation in Java

An End to End Encrypted SMS and SMS Tunneling app

Virgil Core SDK allows developers to get up and running with Virgil Cards Service API quickly and add end-to-end security to their new or existing digital solutions to become HIPAA and GDPR compliant and more.

iOS-compatible ECIES implementation in Java

Products specified by gematik which have to deal with PKI will have to handle certificates, ocsp requests/responses and TSLs (TrustedServiceProvider Status List). This library may help to understand the intention of gematik specification and could be useful for software implementations.

Certgine (combination of Certificate + Engine) is a Java-based PKI solution (with ACME server for support SSL/TLS certificate management based on RFC 8555)

PKI Testsuite to test products of the telematic infrastructure to fulfill the gemSpec_PKI specification. This test suite is used for approval tests of different products like VSDM Fachdienst, KIM Fachdienst, VPN Zugangsdienst, Intermediär, etc.

Certificate Checker

PKI Token provide secure storage for digital certificates and private keys. They allow public-key cryptography and digital signatures to be leveraged securely, without risk of leaking the private key information.