According to the EU Electronic Signatures Directive 1999/93/EC, that currently regulates the electronic signatures in the EU, Advanced Electronic Signature (AES) is the electronic equivalent of a handwritten signature, which meets the following requirements:

 it is uniquely linked to the signatory
 it is capable of identifying the signatory
 it is created using means that the signatory can maintain under his sole control
 it is linked to the data to which it relates in such a manner that any subsequent change of the data is detectable

Advanced Electronic Signature has more significant value than an electronic signature: it guarantees the integrity – allowing any changes to the information provided to be detected more easily, the authentication – linking the originator to the information and the non-repudiation – ensuring satisfaction (in a legal sense) about where the electronic signature has come from.

MOBYSIGN: THE ADVANCED ELECTRONIC SIGNATURE BY COMMON SMARTPHONES

mobysign App is an authentication layer capable of turning a standard iPhone, Android and Blackberry into a secure and easy to use authentication device to log in to LetteraSenzaBusta.com and to add an Advanced Electronic Signature on your Registered Mail, by simply typing a PIN when a popup appears on the smartphone.