SLM-5650B Satellite Modem
Revision 2
TRANSEC Module HTTPS Interface 10–9 MN-SLM-5650B
Item Description
Click Change Encryption State to display the On and Off radio buttons. The “layered”
appearance of this control is intended to prevent the user from accidentally toggling the
Encryption State.
By selecting the Encryption State as ‘On’, this causes the data traffic to be encrypted by
the TRANSEC Module using the current TEK. This encrypted data is then delivered to the
base modem for transmission, regardless of the state of the receiving modem.
Three user-defined parameters must match in order for encrypted communication to
commence between two TRANSEC Module-equipped modems:
1. Seed Key.
2. Passphrase.
3. Encryption Frame Length.
Select the desired operational state, then click Update Encryption to save the selected
state and then return this selection to its “protected” mode; the On/Off radio buttons will
be hidden once again and the operational state message will update accordingly (i.e.,
“Encryption is On” or “Encryption is Off”).
Length
Use this text box to specify the length of the Advanced Encryption Standard (AES) 256
encryption frame. Acceptable range is from 1 (fast acquisition, high overhead ) to 255
(slower acquisition, low overhead).
Once the desired Encryption Frame Length has been entered, click Update Frame
Length to implement this change.
Reset all keys
Click Zeroize to reset all encryption keys in the module’s memory and flash to default
values.
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