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Tutus IP
Portable VPN encryptor
Micro Färist A100M2, also known as Färist A100 or Färist Micro, 1
is a pocket VPN encryptor, developed in 2007 by Tutus Data AB
in Danderyd (Sweden). It allows a Personal Computer (PC) with an
Ethernet interface — typically a laptop —
to be connected to a trusted remote network,
using insecure public infrastructure – such as the internet –
as the transport medium, at 1 Mb/s.
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The device, shown in the image on the right,
is ideally suited for travelling business people.
It is housed in an aluminium and carbon fibre enclosure that
measures just 135 × 35 × 24 mm and weights no more than 92 grams.
At the time of its conception, it was arguably the smallest professional
VPN encryption device in the world.
There are no controls or indicators, just three connectors:
(1) an RJ45 socket for connection of the local device, or host,
(2) an RJ45 socket for connection of the (insecure) network, and (3)
a circular socket for connecting a power adapter.
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The device can be configured via a web interface through the Host ethernet
port, using nothing more than a standard browser and HTTPS.
The device is part of the Färist VPN family of secure IP products,
and has meanwhile been succeeded by newer generations, such as the
Färist Micro A410 and the M300 military variant, both of which have a maximum
throughput of 15 Mb/s.
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Färist is the Swedish word for 'cattle-guard'.
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The diagram below shows the function of the three connectors of the A100.
The device is inserted between the host (laptop) and the (insecure)
network. It has no physical controls or indicators. Instead it is
controlled via a web-interface (https) that is accessible via the red interface.
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The interior of the device can be accessed by
removing four recessed screws
from the aluminium bottom panel, after which the
bottom can be removed from the carbon fibre case
shell. With a bit of wiggeling, the
interior can now be removed
from the case shell. The device consists of two printed circuit
boards (PCBs): a carrier board
with the interfaces, and a separate processor board.
The image below shows the carrier board, which is marked 'MMCnetDUO' .
At the bottom side (visible here) are two
LAN91C111 ethernet controllers plus a receptacle for an MMC storage card.
The upper side of the carrier board – shown below –
holds two RJ45 sockets with built-in magnetics, for connection of the
laptop and the (insecure) network respectively. It also hold the power socket.
Fitted to the carrier board is a Gumstix Verdex Pro daughter board,
built around a Marvell PXA270 application processor. The latter contains
an Intel Xscale ARM processor, which runs at 200 MHz. The Gumstix board has
64MB RAM, 16MB Flash ROM and a MicroSD card reader [2].
At the time of the development (2007), the Verdex Pro board was a readily
available processor board, made by Gumstix, Inc. (US) [2].
The MMCnetDUO carrier board was developed by
Tutus Data AB in Sweden,
along with the firmware for the Verdex
board and the device's enclosure.
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Device Pocket VPN encryptor Purpose Secure communicationn over insecure public IP network Brand Färist VPN Model A100, A100M2 Manufacturer Tutus Data AB Country Sweden Year 2007-2009 Successor Färist Micro A410 Speed 1 Mb/s Approval EU, Sweden Classification EU-Restricted Interface 2 × Ethernet @ 1Mb/s UI Standard Browser HTTPS Encryption 3DES (168 bits), AES256 (256 bits) Key exchange RSA Standards IPv4, IPSEC ESP (RFC 2406) in tunnel mode Processor Intel X-scale ARM, 200 MHz RAM 64MB ROM 16MB (Flash) Storage MicroSC card reader Dimensions 135 × 35 × 24 mm Weight 92 g
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- Jens Bohlin, Färist Micro A100 - THANKS !
Donated to Crypto Museum, August 2024.
- Gumstix, Verdex Pro Series
Visited 25 August 2024.
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© Crypto Museum. Created: Sunday 25 August 2024. Last changed: Monday, 09 December 2024 - 13:52 CET.
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