DSS

DSS Demonstration WebApp

e-Signature
Sign a document Sign a digest Sign a PDF Sign with JAdES Sign multiple documents Counter-sign a signature Standalone application REST/SOAP WebServices
Server side
Extend a signature Timestamp document(s) Validate a signature Validate a certificate QWAC validation Replay Diagnostic Data Merge containers
EU LOTL
Trusted Lists Summary OJ Trusted Certificates Pivot LOTL explanation
Documentation
HTML PDF Javadoc
Useful links
DIGITAL Building Blocks DIGITAL Newsletter eSignature FAQ GitHub source code Digital Identity and Trust Trust Services Dashboard eSignature validation test cases TL Manager non-EU Report a bug

Trusted List

Poland
URL
https://www.nccert.pl/tsl/PL_TSL.xml
Last download attempt

29-Aug-2026 22:55:39

Download status
ERROR (13-Aug-2026 23:43:34)
Download error message

Unable to process GET call for url [https://www.nccert.pl/tsl/PL_TSL.xml]. Reason : [(certificate_unknown) PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target]

Parsing status
REFRESH_NEEDED 10-Aug-2026 23:35:57
Validation status
REFRESH_NEEDED 10-Aug-2026 23:35:57