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Bluetooth: Add key size checks for SMP

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This patch implements a check in smp cmd pairing request and pairing
response to verify if encryption key maximum size is compatible in both
slave and master when SMP Pairing is requested. Keys are also masked to
the correct negotiated size.

Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: Anderson Briglia <anderson.briglia@openbossa.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Vinicius Costa Gomes
2011-06-14 13:37:42 -03:00
committed by Gustavo F. Padovan
parent 5d3de7df18
commit 3158c50c33
3 changed files with 45 additions and 13 deletions
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include/net/bluetooth/l2cap.h
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@@ -400,6 +400,7 @@ struct l2cap_conn {
__u8 prnd[16]; /* SMP Pairing Random */
__u8 pcnf[16]; /* SMP Pairing Confirm */
__u8 tk[16]; /* SMP Temporary Key */
__u8 smp_key_size;
struct timer_list security_timer;