Value

Meaning

0

Not connected.

1

Wait for line connection check request.

2

Got a line connection check request.

3

Wait for mutual authentication request.

4

Got mutual authentication request.

5

Wait for mutual authentication pass 1.

6

Got mutual authentication pass 1.

7

Wait for mutual authentication pass 3.

8

Got mutual auth pass 3.

11

Wait for message transmission response.

12

Encrypt and send message.

14

Compute, encrypt and send MAC.

16

Wait for random number for generating session key response.

33

Wait for line disconnection response.

50

Wait for line connection response.

51

Got line connection response, sending mutual authentication request.

52

Wait for mutual authentication response.

53

Sending mutual authentication pass 1.

54

Wait for mutual authentication pass 2.

55

Got mutual authenticate pass 2, sending mutual authenticate pass 3.

56

Wait for mutual authentication completion.

57

Neutral status.

22

Wait for random number for generating key request.

23

Computing session key.

24

Wait for packets with data.

25

Received all data, wait for MAC code.