A quick guide to digital signatures

This quick guide has been written in the context of SLD signing.

Digital signature with Acrobat Professional 8

There are three ways of doing it. Acrobat Professional lets you "Certify a document", "Place a signature" and "Place a signature so that others can sign with Acrobat reader" ( i.e. by creating a Reader Enable pdf file). The latter is the CERN ROC preferred choice.

Certification

This should be the correct way to do it, as it certifies the document and does not allow any further modifications to it. Unfortunately when I tried it did not allow any further signature either, so I put it here only for the sake of completeness, with the hope that one day it will work.

Signing

Signing

Digital signature with Open Office

Signing with Open Office requires the document to be saved in the open document format, so once it is signed it cannot be read by Microsoft Office anymore.

Digital signature with Microsof Word

-- DianaBosio - 15 Jul 2008

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Topic revision: r1 - 2008-07-15 - DianaBosio
 
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