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Bluetooth: SMP: Add helper for generating passkey in LE SC

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This allow to reuse same code in follow-up patch.

Change-Id: Ie057943f72b0c3c77d44590b56dd5ff9aa53005f
Signed-off-by: Szymon Janc <ext.szymon.janc@tieto.com>
This commit is contained in:
Szymon Janc 2015-12-03 17:55:14 +01:00 • committed by Anas Nashif
commit 57f54ccabe
1 changed files with 18 additions and 8 deletions
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26
net/bluetooth/smp.c
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@ -2183,6 +2183,21 @@ static uint8_t generate_dhkey(struct bt_smp *smp)
return 0;
}
static uint8_t display_passkey(struct bt_smp *smp)
{
if (le_rand(&smp->passkey, sizeof(smp->passkey))) {
return BT_SMP_ERR_UNSPECIFIED;
}
smp->passkey %= 1000000;
smp->passkey_round = 0;
auth_cb->passkey_display(smp->chan.conn, smp->passkey);
smp->passkey = sys_cpu_to_le32(smp->passkey);
return 0;
}
static uint8_t smp_public_key(struct bt_smp *smp, struct net_buf *buf)
{
struct bt_smp_public_key *req = (void *)buf->data;
@ -2215,16 +2230,11 @@ static uint8_t smp_public_key(struct bt_smp *smp, struct net_buf *buf)
}
break;
case PASSKEY_DISPLAY:
if (le_rand(&smp->passkey, sizeof(smp->passkey))) {
return BT_SMP_ERR_UNSPECIFIED;
err = display_passkey(smp);
if (err) {
return err;
}
smp->passkey %= 1000000;
smp->passkey_round = 0;
auth_cb->passkey_display(smp->chan.conn, smp->passkey);
smp->passkey = sys_cpu_to_le32(smp->passkey);
atomic_set_bit(&smp->allowed_cmds, BT_SMP_CMD_PAIRING_CONFIRM);
#if defined(CONFIG_BLUETOOTH_CENTRAL)