The main function of .NET Digital Signature Library is to digitally sign files in PDF format or in CAdES format. The library can also digitally sign Office 2007, 2010, 2013 and XPS documents using X.509 certificates.
Using this library you can quickly digitally sign .pdf, .docx, .xlsx, .pptx and .xps files.
Also, the library is able to create X.509 digital certificates. Using this library you can quickly create Root certificates (CA), Self-signed Certificates and custom certificates with different Key Usage or Enhanced Key Usage.
The main function of Remote Signature Server is to digitally sign documents using X.509 digital certificates stored on a remote server.