Optis SA showing responsibility, fully complies with the Coronavirus (COVID-19) prevention measures. Temporarily the employees of the company work remotely and have been informed of further preventive measures. For the time being, the best way to communicate with us is through email (info@optis.gr), which we all have uninterrupted access to. Our commitment to you during this period remains as strong as ever. Thank you for your cooperation and understanding. With calmness, solidarity and responsibility we hope for a speedy recovery.



Gematlo-Safenet USB Tokens are included in the list of tokens, which have been tested by the Greek Puplic Certification Authority of the Ministry of Administrative Reform and e-Governance and are compliant with the existing infrastructure.



For more details send us an e-mail to the following address: info@optis.gr



Description of equipment

Gemalto IDPrime MD840

The IDPrime MD840 is a smart card designed specifically for use with public key-based applications. The interface of the IDPrime MD840 with any PKI application is very simple thanks to the Safenet Authentication Client software.



Gemalto IDBridge K30 USB Token

Gemalto IDBridge K50 USB Token



All tokens are card readers, which can read and write smart cards.


  • Small size
  • Easy to install
  • It can also be used for GSM cards
  • Compatible with ISO7816 Class A, B and C (5V, 3V, 1.8V)
  • Compatible with all ISO7816 TA1 parameters (up to 344 Kbds)
  • USB full speed (12 Mbps) (USB 2.0)
  • Power supply via USB port

The IDBridge K30 is available in either transparent black or completely transparent.

The IDBridge K50 closes airtight, providing better water protection.


Λογισμικό Safenet Authentication Client (SAC)

Safenet Authentication Client is the software used to securely connect the computer to the USB token, offering secure authentication when accessing computers, network and web applications. It also offers the ability to sign and encrypt email, as well as digitally sign files.

Technical Features of Safenet Authentication Client:

  • RSA public key encryption
  • SSLv3 user authentication for web access
  • S/MIME digital signature and 40-bit encryption for secure e-mail
  • Compatible with Microsoft applications (Internet Explorer, Microsoft Outlook, etc.)
  • Compatible with PKCS #11 (v2.01) for use with Firefox, Netscape, etc.
  • Onboard key generator
  • Compatible with Microsoft Windows 10, 8.1, 8, 7, Vista, Linux, macOS

All versions of the running software are available on our website.


For more details send us an e-mail to the following address: info@optis.gr