Multi-Domain Smart-Card Reader - MDR


HSL secure multi-domain smartcard reader (MDR) enables the use of one smartcard to logon to four computers simultaneously.

Designed specifically to answer the need for secure simultaneous smartcard access the MDR allows reducing the overall smartcard operational and administrative costs while increasing security.

  • Reduce overall smartcard operational costs, buy less smartcards and less readers.
  • Minimize smartcard administrative overhead. Use a single smartcard for multiple computers.
  • Increase security by simultaneously auto-logoff/lock all computers the user is working on upon smartcard removal.

In organizations where users simultaneously work on multiple computer
environments, the use of smartcards to secure logons and applications (such
as email encryption) generates a costly and administrative-intensive overhead.

Due to the fact that a dedicated smartcard and smartcard reader have to be
purchased, programmed and installed on both per user and computer bases
multiplied by the number of computers and users in the organization, the TCO
and administrative effort required to support such environments is extremely high.

For example, an employee that has to access 4 computers simultaneously would
need to have 4 smartcards, one for every computer environment plus 4
smartcard readers, each reader connected to a separate computer.

HSL developed the secure Multi-Domain smartcard Reader (MDR) technology to
provide a simple and yet secure solution to this common problem.
The HSL Multi-Domain smartcard Reader (MDR) is a single secure smartcard
reader which connects simultaneously to multiple computers thus allowing a
user to utilize a single smartcard while working securely on multiple computer
environments at the same time.

Removing the smartcard from the MDR immediately de-associates the MDR
from all coupled PCs. As a result, smartcard-aware applications will notice the
smartcard absence and respond accordingly.

For example, a Windows PC that is configured to require smartcards for user
logon may be set to lock the user’s desktop once the smartcard is removed.

How does it work?

  • Program the smartcard with the credentials needed for all four computer environments.
  • Connect the MDR USB cables to the computers. Cable numbers correspond to the numbered MDR buttons.
  • Insert your smartcard into the MDR reader socket to associate it with both PCs.
  • The smartcard appears simultaneously on both PCs and is ready for use.
  • Smartcard removal, is simultaneously noticed by all coupled PCs and triggers the default removal behavior (Lock/Logoff/Other) as defined by each system’s administrator.
  • Unique in the market:
    The only smartcard reader available today that can interface with multiple isolated computers.
  • Standard smartcard reader chips (from Identive, formally SCM). No additional smartcard reader drivers are needed: 
    100% compatibility to existing and future cards, OSs and applications.
    Uses standard USB CCID drivers which are built into common computer operating systems.
  • Transparent to all participating PCs:
    PCs are unaware of their peers and can work seamlessly with the smartcard.
  • Card removal de-associates the MDR from all PCs:
    Once the card is removed, all sessions are terminated at once.
  • Safe and Secure:
    No card or user data is accessible to the MDR. No data can pass between coupled PCs. MDR has anti-tampering protection.
  • Reduce overall smartcard operational and administrative costs without any security compromise:
    Buy less smartcards and less readers.
  • Ease of use, manual / auto-detective association modes::
    Support both manual and on-demand automatic smartcard association with either one of the PCs.
  • Active anti tampering: 
    Always-on active anti-tampering with 10 years battery life cycle. Special holographic tampering evident labels.
  • Tamper Evident Label:
    Providing clear visual indication of product was tampered or opened in any way.
  • Highest security by design:
    The only smart-card reader that designed from early stages to support high security isolation applications.


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