The SignServer is an application for server side signatures called by other systems. It is flexible and can be customized to specific needs. The SignServer have a ready to use TimeStamp server and signers for PDF, XML, ODF, OOXML and MRTD (ePassport DS).
- TimeStamp Authority (RFC 3161 compliant)
- Signers for different documents: PDF, XML, ODF, OOXML, MRTD (ePassport)
- General purpose signer: CMS
- Validators for documents: XML
- Certificate Validation Service Framework for validating certificates using CRLs or OCSP
Signserver works great.