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Digital signature on MS-Office documents

Raul Perez

Joined: Mar 19, 2014
Posts: 1
Hi all,

Please, could someone point me in the right direction to digitally sign an MS-Office document (docx, xlsx, pptx) using apache POI?
I have already reviewed the classes under org.apache.poi.openxml4j.opc.signature but I cannot understand how I could add a signature to a document.
I cannot find any working sample on Internet.

Thanks in advance
I agree. Here's the link:
subject: Digital signature on MS-Office documents