App Digital Sign is the Namirial S.p.A. app that allows you to add digital signature and timestamp to any files.

Adding a digital signature to a document will guarantees the authenticity of it.
Namirial S.p.A. is an Italian Certification Authority that guarantees the validity of your digital signatures.

With App Digital Sign you can simply list all the files on your device, select an action (Sign or Timestamp), insert your credentials and complete the operation desired.

To use App digital sign you need
- Internet connection
- A file on your device
- Credentials provided by Namirial S.p.A.

When you add a digital signature or a timestamp to a document, you certified the content of that file.
To be sure that files will be signed by you, Namirial need to provide to you credentials that will grant your identity during the process.
In case of digital signature you will need also to provide a "One Time Password" (OTP) that will expire as soon as you have used it.