Bluetooth: Fix setting correct authentication information for SMP STK
When we store the STK in slave role we should set the correct authentication information for it. If the pairing is producing a HIGH security level the STK is considered authenticated, and otherwise it's considered unauthenticated. This patch fixes the value passed to the hci_add_ltk() function when adding the STK on the slave side. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Tested-by: Marcin Kraglak <marcin.kraglak@tieto.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Cc: stable@vger.kernel.org
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@ -544,7 +544,7 @@ static u8 smp_random(struct smp_chan *smp)
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hci_le_start_enc(hcon, ediv, rand, stk);
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hcon->enc_key_size = smp->enc_key_size;
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} else {
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u8 stk[16];
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u8 stk[16], auth;
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__le64 rand = 0;
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__le16 ediv = 0;
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@ -556,8 +556,13 @@ static u8 smp_random(struct smp_chan *smp)
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memset(stk + smp->enc_key_size, 0,
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SMP_MAX_ENC_KEY_SIZE - smp->enc_key_size);
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if (hcon->pending_sec_level == BT_SECURITY_HIGH)
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auth = 1;
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else
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auth = 0;
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hci_add_ltk(hcon->hdev, &hcon->dst, hcon->dst_type,
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HCI_SMP_STK_SLAVE, 0, stk, smp->enc_key_size,
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HCI_SMP_STK_SLAVE, auth, stk, smp->enc_key_size,
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ediv, rand);
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}
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