, bluetooth, . Ÿ :
Kinit
( link key , Kab)
.
(PAIRING) . ( ) Kinit, . bluetooth .
PIN-. : PIN-.
.
A B, , (Master), (Slave). A , B . Kinit , PIN-.
Kinit E22, :
BD_ADDR MAC BT-. 48 ( IP- PC)
PIN-
IN_RAND. 128-
E22 128- , Kinit. IN_RAND A . , PIN , Kinit BD_ADDR, . PIN-, BD_ADDR(B) slave-. . Kab. Kinit .
Kab 128- LK_RAND(A) LK_RAND(B), . XOR Kinit. . E21.
:
BD_ADDR
128- LK_RAND ( )
pairing bluetooth Mutual authentication . -. , AU_RAND(A) ( plain text), (claimant ). , SRES E1, . . SRES , , , , , .
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E1- :
AU_RAND
link key Kab
BD_ADDR
IrDA
Infrared Data Association IrDA, -, , .
IrDA point-to-point, Bluetooth point-to-multipoint.
- ( 30 ), , Bluetooth.
Wi-Fi
Wi-Fi (. Wireless Fidelity ) Wi-Fi Alliance IEEE 802.11.
1)
Wi-Fi , .
Wi-Fi , .
Bluetooth 2- , ( ).
2)
Wi-Fi 300 , Bluetooth 30 .
3)
Wi-fi 802.11 b/g/n/, Bluetooth Bluetooth 1.0 Bluetooth 2.0.
4) .
Bluetooth , , Wi-Fi Bluetooth 3- . , 2 Bluetooth .
Wi- Fi . .
5)
Wi-Fi (WLAN), .
Bluetooth (PAN), 2- .
6)
, Bluetooth , Wi-Fi.
0.8 Bluetooth 108 Wi-Fi
Bluetooth . Bluetooth .
, , , . , , , , .
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Bluetooth Special Interest Group (Bluetooth SIG) : 2011 Bluetooth 3.0+HS, Bluetooth 2.0 24 / 2,1 / Bluetooth 2.0.
Bluetooth 4.0 , , , , Bluetooth 3.0.
Bluetooth 4.0 " ", . Bluetooth 4.0. , , , .
Bluetooth, . , .
, , Bluetooth , .
1) http://ru.wikipedia.org/wiki/Bluetooth
2) http://www.blytuz.ru/
3) . , , : . 2- . . , .
4) http://www.radioman.ru/mobile/1/bluetooth.php