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Commit 64e759f5 authored by Szymon Janc's avatar Szymon Janc Committed by Marcel Holtmann
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Bluetooth: Fix missing encryption refresh on Security Request


If Security Request is received on connection that is already encrypted
with sufficient security master should perform encryption key refresh
procedure instead of just ignoring Slave Security Request
(Core Spec 5.0 Vol 3 Part H 2.4.6).

> ACL Data RX: Handle 3585 flags 0x02 dlen 6
      SMP: Security Request (0x0b) len 1
        Authentication requirement: Bonding, No MITM, SC, No Keypresses (0x09)
< HCI Command: LE Start Encryption (0x08|0x0019) plen 28
        Handle: 3585
        Random number: 0x0000000000000000
        Encrypted diversifier: 0x0000
        Long term key: 44264272a5c426a9e868f034cf0e69f3
> HCI Event: Command Status (0x0f) plen 4
      LE Start Encryption (0x08|0x0019) ncmd 1
        Status: Success (0x00)
> HCI Event: Encryption Key Refresh Complete (0x30) plen 3
        Status: Success (0x00)
        Handle: 3585

Signed-off-by: default avatarSzymon Janc <szymon.janc@codecoup.pl>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 0c6e5266
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