What is digital signing?

Signing is a cryptographic technique that was designed to validate the integrity and authenticity of a document, file, or email. Signing ensures the sender and the recipient of a file or message that the data is reliable, safe, and has not been tampered with.

Networking4all offers multiple products that can help you secure your and your customer’s data and contacts. Our signing solutions will defend your communication against hackers and eavesdroppers, and ensure your customers that your, or their, data has not been tampered with. Improve and solidify your reputation as a reliable partner, and comply with industry standards with our email, software and document signing products.


E-mail and ID signing


Secure your communications with email signing or a digital ID. These certificates are available at personal level, or at department- or organisation level. These certificates use the S/MIME (Secure/Multipurpose Internet Mail Extensions) protocol to sign or encrypt emails, Microsoft Office documents or other electronic documents.

  • Protect your identity
    Digitally signing your documents and emails confirms your identity to your customers and partners.
  • Easy to manage
    Manage all products of your customers or departments in one account.
  • Secure communication
    Protect your email communication against hackers and manipulation and guard your messages against eavesdroppers.
  • Accessible
    Installed in minutes and usable on most platforms; compatible with most mail clients and PDF readers.
  • Built-in encryption
    Encrypt and password-secure your email messages and documents with the click of a button.
  • Individual or department-wide
    Use a certificate for your personal email account, or secure your entire department with one certificate.

Document signing


Sign your documents quickly and reliably with Document signing. Adobe Acrobat and Adobe Reader have been programmed to verify certificates using their own Adobe Approved Trust List. Document signing uses a certificate that can be applied in multiple ways. A special USB token can be used when signing lower volumes. Are you looking for a solution for larger volumes? Please contact us for more information.

  • Save time and money
    Streamline your process with automated document signing.
  • Widely deployable
    Use one certificate for multiple platforms, such as Microsoft Word and LibreOffice Writer.
  • For small and large volumes
    Gebruik een USB token voor eenmalige of kleinschalige ondertekeningen, of stap over op de cloud solutions of HSM voor het verwerken van grotere volumes.
  • Compliance
    Includes timestamp support for audit trails and industry standard compliance (such as GDPR).
  • Personalised signing
    Add your own personal touch to your signature, such as an image of your actual signature or a technical seal.
  • Accessible
    Installed in minutes and usable on most platforms.

          Code signing


Protect your software with Code Signing. Give your users transparency about the author of their software and protect them from malware. As the producer, you can offer the insurance that you really are the author or publisher of the software they are about to use. You can choose between the standard Code Signing certificates, or the Extended Validation (EV) Code Signing certificates. EV Code Signing certificates offer more information on the software’s producer and performs a Microsoft SmartScreen reputation scan. Code signing is available at an individual and an organisational level.

  • Verified
    Secure your software and your reputation with a signing certificate that proves that you are the author of your software.
  • Unlimited validity
    Your software will remain signed, even when your certificate has expired.
  • Widely deployable
    Compatible with most platforms (MS AuthentiCode, Office VBA, Java, Adobe AIR, macOS, Mozilla)
  • Easy to use
    Installed in minutes and usable on most platforms with a special USB token.
  • Trust among users
    Removes "unknown publisher" warnings in macOS and Microsoft Windows.
  • Reputation
    Use an EV Code Signing certificate and improve your reputation with Microsoft SmartScreen.