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Creating DES Key for NX5000

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otobmark

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I keep getting "the odd parity incorrect" warning when entering key. I can put in a key of 101010... to 16 digits and it will accept that. I did 1515151515151515 as a key value and it accepted that. I tried online key generators but no joy. Obviously I'm not accustomed to using DES. AES seems to accept any values.
 

kd4efm

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  • Transceiver Settings > Encryption > Multi-key List
Key Data
Help_P25
Help_NXDN
Help_DMR


Key Data
allows you to configure a maximum of 16 digits of Key Data used to encrypt communication data.

Range:

If "Built-in DES" is configured in Type:


Blank, 16-digit alphanumeric characters (odd parity check)


16-digit alphanumeric characters in hexadecimal format


To enter the Key Data for DES, odd parity must be used for every two digits.


Odd parity code for DES


01020407080B0D0E
10131516191A1C1F
20232526292A2C2F
31323437383B3D3E
40434546494A4C4F
51525457585B5D5E
61626467686B6D6E
70737576797A7C7F
80838586898A8C8F
91929497989B9D9E
A1A2A4A7A8ABADAE
B0B3B5B6B9BABCBF
C1C2C4C7C8CBCDCE
D0D3D5D6D9DADCDF
E0E3E5E6E9EAECEF
F1F2F4F7F8FBFDFE
Note:

  • Example 1: Correct Key Data: 0123456789ABCDEF (consisting of odd parity code for every two digits)

  • Example 2: Wrong Key Data: 0123456789ABCDEE ("01", "23", "45", "67", "89", "AB", "CD" are treated as odd parity code, but "EE" is not treated as odd parity code.
 

otobmark

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Ah...the parity happens at a binary level. Flash back to college. Salted sequences and sieved numbers. My degree was in women’s studies..
 
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