AES-256 digital data encryptor option
314 Manpack Transceiver 2110 series Reference Manual
Overview
The internal RM50 HF Data Modem is an optional feature that provides high-grade,
AES-256 digital encryption for data communications. It must be used in conjunction
with the RC50-C HF Email Gateway software. The data modem is capable of high-speed
data transfer at speeds of up to 9600 b/s and supports MIL-STD-188-110 A/B and
STANAG 4539 waveforms. For more information on setting up and using RC50-C with
your email application, see the documentation provided on the RC50-C HF Email
Gateway software CD.
The computer may be connected directly to the 2110, or via the interface adaptor to the
2110. The data modem detects whether or not a computer is connected.
The data modem switches to power-save mode if:
• a computer is not detected
• the cable between the computer and transceiver is disconnected
• the RC50-C HF Email Gateway software is shut down
The AES-256 digital data encryptor uses secure keys to provide secure communications.
The display on the front panel clearly indicates whether the transceiver is secure
(TEK <index> Dat) or clear (Clr Data).
In order to communicate securely between two stations, both stations must use the same
channel frequency, mode and secure key. The AES-256 digital data encryptor may be
programmed with multiple secure keys, any one of which may be selected. For secure
communications within your organisation you must set up secure keys that are common
to all transceivers in your organisation.
The AES-256 digital data encryptor can use a key in secure index 0. This key may be
programmed at any time, by any user. This key cannot be programmed by the Key
Management Software. If all of the secure keys have been erased, the operator can enter
a new key into index 0 for immediate secure communications.
NOTE
To use the AES-256 digital data encryptor, you must have an RM50 HF
Data Modem installed in your transceiver system and specific firmware
programmed into the transceiver and enabled.
NOTE
The AES-256 digital data encryptor may be used in conjunction with the
AES-256 digital voice encryptor or the CES-128 voice encryptor. For
information see page 326, Using the AES-256 digital data encryptor with
a voice encryptor.
NOTE
Codan’s Key Management Software must be used to generate secure keys
and to fill the AES-256 digital data encryptor.
NOTE
The cable requires a specific driver to be installed on the computer. A
driver is available on the RC50-C Installation CD or from
www.ftdichip.com/Drivers/VCP.htm. Select the latest
Windows
®
-certified driver that is suitable for your computer.
NOTE
The prefix for the AES secure keys may be changed using the Key
Management Software, or via CICS (see page 434, secure command).
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