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Key transfer device
- Wanted item
The UP-2001 was a small electronic transfer device
for the
distribution of cryptographic material (key-filler),
commonly referred to as Transmission Encryption Keys (TEK).
It was developed by Philips Crypto in Eindhoven (Netherlands)
in 1990, as an alternative to the rather
limited KYK-13 filler that was used by the Army.
Despite its potential, only a small quantity was ever produced.
It was primarily aimed at non-military users of the
Spendex phones,
such as the Dutch PTT.
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The image on the right shows a typical UP-2001 device. It is similar
in appearance to the American KYK-13
but is slightly bigger and uses a 5-pin U-229 connector, rather
than the more common 6-pin U-329.
It has a rotary switch that is used to select the mode of operation.
At the center is a red ACTIVATE button that is used in combination with
a particular setting of the mode selector.
The mode selector is also used for reading keys via the DB9 connector at
the bottom and writing them to the U-229 connector at the top.
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It has some important improvements over the KYK-13 however. First of all
is has room for 40 sets of key variables (compartments),
whereas the KYK-13 has only 6.
The required key compartment is selected by setting the 2-digit selector
at the top to the corresponding number (00-39).
This greatly increases the number of keys
that can be carried around at any time.
The UP-2001 also features a standard RS-232 serial port which is present
on a 9-pin Sub-D connector (DB-9) at the bottom. The RS-232 port makes it
possible to connect a standard PC, allowing keys to be generated stored
directly inside the UP-2001.
The UP-2001 was succeeded in 1992 by the UP-2101
which has built-in support for an HP barcode reader.
More...
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The UP-2001 used the DS-102 protocol,
developed by the NSA,
and was suitable for all Usfa/Crypto-developed military encryption devices,
such as the Spendex 40,
Spendex-50 (DBT)
and the Trunk Encryption Device BVO.
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The UP-2001 uses a 5-pin U-229 type connector for connection to the
crypto device, rather than the more common 6-pin U-284. Is it nevertheless
compatible as the extra pin (F) is not used. The table below shows the
pin-out of the connector. More information on the special
U-229 page.
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| Pin |
DS-102 |
Description |
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| A |
GND |
Ground (common wire) |
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| B |
- |
Not used |
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| C |
ACK |
FILL request acknowlegment |
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| D |
DATA |
Fill data into radio or crypto device |
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| E |
CLK |
Fill clock into radio or crypto device |
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| F |
- |
- |
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The body of the UP-2001 measures only 9.5 x 5 x 5.5 cm and is made of die-cast
aluminium, with a folded aluminium lid. The device can be opened by removing 4
2.5 mm screws from the lid, after which the battery compartment and part of the
main PCB is exposed.
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The main PCB consists of 3 (rigid) parts that are interconnected by integrated
flex PCBs. The entire flex-rigid contruction can be folded in such a way that
it nicely fits the case. Each PCB is held in place by a set of 2.5 mm bolts.
The image on the right shows the opened UP-2001. The battery compartment and the
2-digit key selector have been removed (front right),
and the 3-part PCB has been folded-out. The center part holds the main
8051 microcontroller.
According to the label on the controller, the firmware was
released on 7 November 1990.
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To the right of the controller is a pair of
(white) sockets that normally
hold the key selectors. Once the PCM is mounted inside the case, the key
selectors are inserted through a hole in the front panel and mate with the
white sockets on the center PCB.
The upper board holds 3 PCF-8570P memory chips
that contain 256 bytes of low-voltage RAM each. This is enough to hold
40 keys of 128 bits each. The memory chips communicate with the
microcontroller via the I2C bus.
The lower PCB holds a MAX-666 power supervisor.
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© Copyright 2009-2011, Paul Reuvers & Marc Simons. Last changed: Tue,27 Dec 2011.17:46:16
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