Tool for applying digital signature on documents

Why use digital signature on documents? For verifying the ownership of the file (authentication), for verifying that the document has not been altered (integrity) and for restricting re-production of the documents - you have a warranty that your important files (contracts, reports, plans, etc) comes from the right person, and that it hasn't been modified.

For applying digital signature on files you can use eParapher. This is an end user security software that digitally sign files and manage keystores content's. It supports almost all file types. PDF, PDF/A, CMS and XML

eParapher supports all operating systems – Mac OS X 10.4 or later, Windows 32bit and Linux x86, x86_64 and required Java runtime (JRE 1.5 minimum) installed on your system. More information and download from http://maven.eparapher.com/index.html