AES-256 digital voice encryptor option
294 Manpack Transceiver 2110 series Reference Manual
Overview
The AES-256 digital voice encryptor is an optional feature that provides high-grade
security for voice communications. This feature uses secure keys to provide secure
communications. The digital encryption may be processed at 1200 or 2400 b/s. The
display on the front panel clearly indicates whether the transceiver is secure (TEK
<index> <1k2|2k4>) or clear (Clr Voice).
In order to communicate securely between two stations, both stations must use the same
channel frequency and secure key. The AES-256 digital voice 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 voice 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 secure index 0 for immediate secure communications.
NOTE
To use the AES-256 digital voice encryptor, you must have the hardware
option fitted and specific firmware programmed into the transceiver and
enabled.
NOTE
The AES-256 digital voice encryptor may be used in conjunction with the
AES-256 digital data encryptor. The data is handled via an internal RM50
HF Data Modem. For more information see page 326, Using the AES-256
digital data encryptor with a voice encryptor.
NOTE
Codan’s Key Management Software may be used to generate secure keys
and to fill the AES-256 digital voice encryptor.
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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