Electronic Signature

FAQ: Electronic Certificates

  • The Law 59/2003 of electronic signature, defines an electronic certificate as a document electronically signed by a certification service provider that links about verification data to a signatory signature, and confirms its identity.

    Technically, the electronic certificate associated the signatory's public key to their identity, and this association is guaranteed through the electronic signature of a trusted third party (the certification service provider), which has verified this partnership (function of registration authority) and has issued the electronic certificate (function of certification authority).