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FirmaCerta - How to digitally sign a file using a Smart Card and Sim Card Token

The graphical interface of FirmaCerta software is simple and intuitive.

The menu is made up of the main functions of using the software:

  • Digitally sign any files
  • Affix Timestamp
  • Use the Graphometric Signature
  • View and Verify digitally signed files

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Here's how to digitally sign a document

FirmaCerta can be used to sign any document by choosing one of the following procedures:

  • Drag & Drop: Drag the file(s) to be signed to the FirmaCerta software window, let it/them go, and then click on the SIGN icon; multiple files can be dragged and dropped simultaneously.
  • From the file: Use the mouse to right-click directly on the icon of the file(s) to be signed and select “Sign” from the drop-down menu.
  • From the software: Click on the SIGN icon directly to search in your computer for the file you want to sign.

Upload the file to be signed to the programme, and click on SIGN.  

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N.B. The FirmaCerta software allows users to sign any type of file in CAdES format (i.e. .p7m); in the case of PDF or XML files only, a message will appear on the screen asking whether to sign in .p7m format or maintain the original file format.

 

In the event of a PDF or XML file, after the user clicks on "sign", a window will appear asking him/her to specify the desired format to sign the document.

  • Press Yes to apply a PAdES (or XAdes) signature, maintaining the .pdf or .xml format
    (for further information see PAdES signature and XAdES signature)
  • Press No to apply a CAdES signature, in .p7m format.

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Select a destination folder for the signed file, then click on OK

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Proceed with the signing operation by pressing Yes

N.B. We highly recommend creating a dedicated folder to store the digitally signed files.


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Enter the PIN of the digital signature device and click on OK

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Once the operation has been processed, click on OK to complete the procedure.

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