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Bluetooth: Rename smp_key_size to enc_key_size 

This makes clear that this is the size of the key used to
encrypt the link.

Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Vinicius Costa Gomes 2012-01-30 19:29:12 -03:00 committed by Johan Hedberg
parent 27f27ed8f0
commit f7aa611a0e
2 changed files with 10 additions and 10 deletions
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2
include/net/bluetooth/smp.h
View File

@ -127,7 +127,7 @@ struct smp_chan {
u8 rrnd[16]; /* SMP Pairing Random (remote) */
u8 pcnf[16]; /* SMP Pairing Confirm */
u8 tk[16]; /* SMP Temporary Key */
u8 smp_key_size;
u8 enc_key_size;
unsigned long smp_flags;
struct crypto_blkcipher *tfm;
struct work_struct confirm;

18
net/bluetooth/smp.c
View File

@ -250,7 +250,7 @@ static u8 check_enc_key_size(struct l2cap_conn *conn, __u8 max_key_size)
(max_key_size < SMP_MIN_ENC_KEY_SIZE))
return SMP_ENC_KEY_SIZE;
smp->smp_key_size = max_key_size;
smp->enc_key_size = max_key_size;
return 0;
}
@ -446,8 +446,8 @@ static void random_work(struct work_struct *work)
smp_s1(tfm, smp->tk, smp->rrnd, smp->prnd, key);
swap128(key, stk);
memset(stk + smp->smp_key_size, 0,
SMP_MAX_ENC_KEY_SIZE - smp->smp_key_size);
memset(stk + smp->enc_key_size, 0,
SMP_MAX_ENC_KEY_SIZE - smp->enc_key_size);
if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &hcon->flags)) {
reason = SMP_UNSPECIFIED;
@ -455,7 +455,7 @@ static void random_work(struct work_struct *work)
}
hci_le_start_enc(hcon, ediv, rand, stk);
hcon->enc_key_size = smp->smp_key_size;
hcon->enc_key_size = smp->enc_key_size;
} else {
u8 stk[16], r[16], rand[8];
__le16 ediv;
@ -469,10 +469,10 @@ static void random_work(struct work_struct *work)
smp_s1(tfm, smp->tk, smp->prnd, smp->rrnd, key);
swap128(key, stk);
memset(stk + smp->smp_key_size, 0,
SMP_MAX_ENC_KEY_SIZE - smp->smp_key_size);
memset(stk + smp->enc_key_size, 0,
SMP_MAX_ENC_KEY_SIZE - smp->enc_key_size);
hci_add_ltk(hcon->hdev, 0, conn->dst, smp->smp_key_size,
hci_add_ltk(hcon->hdev, 0, conn->dst, smp->enc_key_size,
ediv, rand, stk);
}
@ -819,7 +819,7 @@ static int smp_cmd_master_ident(struct l2cap_conn *conn, struct sk_buff *skb)
skb_pull(skb, sizeof(*rp));
hci_add_ltk(conn->hcon->hdev, 1, conn->dst, smp->smp_key_size,
hci_add_ltk(conn->hcon->hdev, 1, conn->dst, smp->enc_key_size,
rp->ediv, rp->rand, smp->tk);
smp_distribute_keys(conn, 1);
@ -940,7 +940,7 @@ int smp_distribute_keys(struct l2cap_conn *conn, __u8 force)
smp_send_cmd(conn, SMP_CMD_ENCRYPT_INFO, sizeof(enc), &enc);
hci_add_ltk(conn->hcon->hdev, 1, conn->dst, smp->smp_key_size,
hci_add_ltk(conn->hcon->hdev, 1, conn->dst, smp->enc_key_size,
ediv, ident.rand, enc.ltk);
ident.ediv = cpu_to_le16(ediv);