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# (MI) BLE AUTH SECURITY PROTOCOL
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0. GREETING (official only, negligible)
a4 --> UPNP
AVDTP --> 00 00 04 00 06 12
00 00 05 00 06 12 --> AVDTP
AVDTP --> 0000040112121212121212121212121212121212
0000050112121212121212121212121212121212 --> AVDTP
1. KEYEXCHANGE
Listen UPNP + AVDTP + RX
CMD_GET_INFO --> UPNP
AVDTP --> CMD_WR_DID
RCV_RDY --> AVDTP
[AVDTP --> REMOTE_INFO]
RCV_OK --> AVDTP
CMD_SET_KEY --> UPNP
CMD_SEND_DATA --> AVDTP
AVDTP --> RCV_RDY
[MY_PUBKEY --> AVDTP]
AVDTP --> RCV_OK (|| RCV_TOUT)
AVDTP --> CMD_SEND_DATA
RCV_RDY --> AVDTP
[AVDTP --> REMOTE_PUBKEY]
RCV_OK --> AVDTP
<<CALCULATIONS>>
CMD_WR_DID --> AVDTP
AVDTP --> RCV_RDY
[DID_CT --> AVDTP]
AVDTP --> RCV_OK (|| RCV_TOUT)
13 00 00 00 --> UPNP
UPNP --> 11 00 00 00 (|| fAIL: 12 00 00 00)
2. PAIRING
24 00 00 00 --> UPNP
00 00 00 0b 01 00 --> AVDTP
AVDTP --> RCV_RDY
MI_RAND_KEY --> AVDTP
AVDTP --> RCV_OK
# | dash app
|AVDTP --> 00 00 00 0d 01 00
|RCV_RDY --> AVDTP
|AVDTP --> REMOTE_RANDKEY
|RCV_OK --> AVDTP
# || offical
||AVDTP --> 00 00 02 0d REMOTE_RANDKEY
||00 00 03 00 --> AVDTP
<<CALCULATIONS>>
AVDTP --> 00 00 00 0c 02 00
RCV_RDY --> AVDTP
[AVDTP --> REMOTE_DEVINFO]
RCV_OK --> AVDTP
00 00 00 0a 02 00 --> AVDTP
AVDTP --> RCV_RDY
[MY_DEVINFO --> AVDTP]
AVDTP --> RCV_OK
UPNP --> 21 00 00 00 (|| fAIL: 23 00 00 00)
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# VARS
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CMD_GET_INFO: a2 00 00 00
CMD_SET_KEY: 15 00 00 00
CMD_SEND_DATA: 00 00 00 03 04 00
CMD_WR_DID: 00 00 00 00 02 00
RCV_RDY: 00 00 01 01
RCV_OK: 00 00 01 00
RCV_TOUT: 00 00 01 05 01 00
...
