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# Keyslot 0x511 is programmed with the session key.
 
# Keyslot 0x511 is programmed with the session key.
 
# Keyslot 0x512 is programmed with a 32 bit random number from Bigmac.
 
# Keyslot 0x512 is programmed with a 32 bit random number from Bigmac.
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== Syscon 0xD2 ==
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Packets sent/received with syscon 0xD2 are encrypted with the session key and IV = 0. There is a 4 byte command field, 4 byte counter (from keyslot 0x512) that increments per send, 6 bytes of zeros, and a 2 byte checksum. The checksum is the sum of all previous bytes and then negated.

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