Provides an Alfresco Share action for signing PDF files (PAdES-BES format) and any other file (CAdES-BES format detached) via java applet (@firma miniApplet, opensource at https://github.com/ctt-gob-es/clienteafirma ) or local application AutoFirma by protocol ( http://forja-ctt.administracionelectronica.gob.es/web/clienteafirma ) where applets are not possible (i. e. Google Chrome). This module uses a software digital certificate or a cryptographic hardware supported by a smart card installed on the computer of the user. AutoFirma local application is currently supported only for Windows, but Mac OS and Linux versions are on the roadmap. This Windows application shall be installed before using the addon.