Auth failure

Bluez-users Mohan Sundaram 2 participants 2 messages Nov 1, 2007 Bluetooth drivers

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Mohan Sundaram

author

2007-11-01 11:18 UTC #0 lore raw

When I try to create a connection with my headset, it fails due to auth. Key is 0000.

Sniffer Output:
---------------
< HCI Command: Create Connection (0x01|0x0005) plen 13
bdaddr 00:0B:2E:39:31:3F ptype 0xcc18 rswitch 0x01 clkoffset 0x0000 Packet type: DM1 DM3 DM5 DH1 DH3 DH5

Quoted 1 line

HCI Event: Command Status (0x0f) plen 4

      Create Connection (0x01|0x0005) status 0x00 ncmd 1

Quoted 1 line

HCI Event: Link Key Request (0x17) plen 6

      bdaddr 00:0B:2E:39:31:3F
< HCI Command: Link Key Request Reply (0x01|0x000b) plen 22
      bdaddr 00:0B:2E:39:31:3F key 6A49558AB5A9CD2C856AD475DC632E9C

Quoted 1 line

HCI Event: Command Complete (0x0e) plen 10

      Link Key Request Reply (0x01|0x000b) ncmd 1
      status 0x00 bdaddr 00:0B:2E:39:31:3F

Quoted 1 line

HCI Event: Connect Complete (0x03) plen 11

status 0x05 handle 12 bdaddr 00:0B:2E:39:31:3F type ACL encrypt 0x00
Error: Authentication Failure

See some key value being sent here. How do I decipher the key value? How do I set the key value? Passkey agent is registered but I do not know which/where the agent is. Gutsy std.

Any pointers please.

Mohan

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Marcel Holtmann

maintainer

2007-11-01 12:14 UTC #1 lore raw

Hi Mohan,

Quoted 17 lines

When I try to create a connection with my headset, it fails due to auth. Key is 0000.
Sniffer Output:
---------------
< HCI Command: Create Connection (0x01|0x0005) plen 13
bdaddr 00:0B:2E:39:31:3F ptype 0xcc18 rswitch 0x01 clkoffset 0x0000 Packet type: DM1 DM3 DM5 DH1 DH3 DH5
Quoted 1 line
HCI Event: Command Status (0x0f) plen 4
      Create Connection (0x01|0x0005) status 0x00 ncmd 1
Quoted 1 line
HCI Event: Link Key Request (0x17) plen 6
      bdaddr 00:0B:2E:39:31:3F
< HCI Command: Link Key Request Reply (0x01|0x000b) plen 22
      bdaddr 00:0B:2E:39:31:3F key 6A49558AB5A9CD2C856AD475DC632E9C
Quoted 1 line
HCI Event: Command Complete (0x0e) plen 10
      Link Key Request Reply (0x01|0x000b) ncmd 1
      status 0x00 bdaddr 00:0B:2E:39:31:3F

Quoted 7 lines

Quoted 1 line
HCI Event: Connect Complete (0x03) plen 11
status 0x05 handle 12 bdaddr 00:0B:2E:39:31:3F type ACL encrypt 0x00
Error: Authentication Failure
See some key value being sent here. How do I decipher the key value? How do I set the key value? Passkey agent is registered but I do not know which/where the agent is. Gutsy std.

the passkey agent has nothing to do with it at this point. It seems you already paired it before. So use the Bluetooth properties to delete that bonding or better switch your headset into pairing mode.

Regards

Marcel