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IP Encryptor
LAN Guard was an encryption/decryption system for IP-based networks
developed by Philips Crypto BV
in Eindhoven (Netherlands) in 1999.
It allowed different Local Area Networks (LAN) to be connected together
in a secure manner via unprotected (public) TCP/IP-networks (internet).
LAN Guard is also known by its internal Philips product code UP-6362.
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The system was built around Philips' proprietary
GCD-Φ
and GCD-Φ 2000 crypto chips.
The initial version was approved for Restricted Information
(Dutch: Departementaal Vertrouwelijk), but a later version with an
improved algorithm was approved for STATE SECRET information as well.
The image on the right shows a typical Philips LanGuard unit.
It is housed in a 4U 19" rack-mount case with all connections
at the rear. The case contains a standard PC mother board with
several PCI expansion cards. A locked door at the front gives access
to the controls and LEDs.
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LanGuard was used by several customers within the Dutch Government,
including the Foreign Ministry and the Department of Defense. Since
its introduction in 1999 the device was upgraded and improved several
times and remained a popular solution for the protection of IP networks
for several years. In 2003, when Philips decided to close down
Philips Crypto due to lack of revenue, the LanGuard product family was sold
to crypto company
Compumatica in Uden (Netherlands)
Compumatica also took over support for the existing customers and
continued to produce and develop the product for several years.
Several upgrades and improvements were released in the following years.
Eventually, LanGuard was replaced by Compumatica's new CryptoGuard
family.
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- UP-9200 - Lean Security Management Software
- UP-9201 - Security Management Software
- UP-9220 - Lean Security Management Station
- UP-9221 - Security Management Station
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At present, we have no further information about the LanGuard, nor
about its technical specifications. Pleae help us to expand this page
by supplying additional information.
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© Copyright 2009-2013, Paul Reuvers & Marc Simons. Last changed: Monday, 11 November 2013 - 08:54 CET
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