ENCRYPTION
AES-256 ENCRYPTION
358 ENVOY™ TRANSCEIVER REFERENCE MANUAL
The AES-256 data encryptor uses secure keys to provide secure communications. The
display on the handset clearly indicates whether the transceiver is secure (TEKindex)
or clear (Clear Data).
NOTE: You can change the prefix for the AES secure keys in Settings >
Security > Digital Key Prefix, using KMS, or via CICS.
Figure 70: Channel screen showing secure/clear status for AES-256 data
encryption
Figure 71: Channel screen showing transmit/receive status for AES-256
data encryption
The AES-256 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 KMS. If all
of the secure keys have been erased, the user can enter a new key into index 0 for
immediate secure communications.
NOTE: For more information on setting up and using RC50-C with your email
application, please see the documentation provided on the RC50-C HF
Email software CD.
NOTE: For information on connecting the transceiver with MIL/STANAG 2G
Data to your computer, please see the related link below.
NOTE: For information on connecting the transceiver, RM50e HF Data
Modem and computer, please see the RM50e HF Data Modem
Operator Guide.
Secure Clear
secure index for
AES-256 digital data
secure key
digital
key prefix