Reference Manual

Table Of Contents
5. Advanced Programming
FGR3
User-Reference Manual
LUM0110AA Rev Jan-2019 Page 104 of 143 Copyright ยฉ 2019๎˜ƒFreeWave
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Encryption Key
Setting Description
Description: The encryption key is the piece of information used to encrypt and un-encrypt the
data sent through the network. Even with encryption, the data is only as secure as
the strength of the encryption key used.
Keys should be random and entered as hexadecimal values (i.e., 0 to F in two-
character pairs). Any combination of characters can be used for the key.
Example: A combination of numbers, or a sentence or phrase converted
into hexadecimal format.
Various string-to-hexadecimal converters are available on the Internet.
Enter the encryption key in 2-character hexadecimal combinations in the lines
provided:
The Enter Key option always asks for all 32 lines of the encryption key. However,
the encryption strength you select determines how many of the lines are required:
l 128-bit encryption - Enter key information in rows 00 to 0F.
l The last 16 lines (10 to 1F) are ignored.
l 192-bit encryption - Enter key information in rows 00 to 17.
l The last 8 entries (18 to 1F) are ignored.
l 256-bit encryption - Enter key information in rows 00 to 1F.
l All lines are๎˜ƒused.
5.3.3. Encryption (Strength)
Note: AES encryption settings are available only through the Setup menu in the terminal interface. If
the radio does not have Encryption enabled, menu option E in the (3) Edit Radio
Transmission๎˜ƒCharacteristics menu is blank and has no function.