Sign PDF with Digital Signature Certificate
Implementation of the OFTP2 protocol (RFC 5024)
Free and open-source PDF signing and verification application.
Web application to register FIDO keys from TLS ClientAuth sessions
A SigV4 authentication plugin for the open-source DataStax Java Driver
Simple web-based personal digital wallet.
GMR digital signature system
FIDO strong authentication, encryption, digital signature engine
FIDO-enabled, cloud file encryption with centralized key management.
Java native access for pc/sc, pkcs11, openct based on JNA
Java code that enables you to sign documents using a smart card.
rsa-elgamal comparison