Attention: the NIAPC web site may not include all approved products.The list of approved products is always changing; there is a backlog of approved products still to be added to this information portal, and there are delays in responding to queries and inclusion of new products. NATO is reviewing options to improve collaboration and provide more timely information sharing of approved security products.
GreenShield File

GreenShield File is software for the encryption and signing of files. It is realized as an add-in for Microsoft Windows, with a user-interface that seamlessly integrates into the Windows File Explorer. User interaction is kept to a minimum, which increases convenience and thus user acceptance. Flexible group policies allow for central administration and easy pre-configuration.

GreenShield File provides both symmetric and asymmetric encryption based on the S/MIME standard. It is interoperable with other S/MIME compliant applications. An encrypted and/or signed file that is sent as an email attachment will be recognized as an encrypted and/or signed email by the S/MIME compliant email client of the recipient.

GreenShield uses X.509 certificates and supports a large variety of smart cards on which the corresponding long-term secrets, such as the secret signature or encryption keys, are stored.  Symmetric encryption is performed with a secret key derived from a randomly created password.

Revocation checks are performed via revocation lists or OCSP. Extensions for the connection to (automatic) certificate management systems are available.

GreenShield File provides a high security level, as it features encapsulated crypto functions and advanced smart card support.

The German Federal Office for Information Security (BSI) has approved GreenShield File for the processing and transmission of classified information up to classification level VS-NfD/NATO restricted/EU restricted.

GreenShield is also available as GreenShield Mail for the end-to-end encryption and signing of emails. Taken together, both products form a seamless solution for email and file security.

Product Images

MCM Reference Number

BSI -VSA-10552

Product Categories

Security Mechanism Groups

General Information


cryptovision GmbH


Product Documents

Icon Product sheet
Type: Product Sheet
116.42 KB

Product QR Code

Last Update Time:
04-Aug-2021 05:20 PM
Please enter a search term !