diff options
Diffstat (limited to 'stack/smp/smp_cmac.c')
| -rw-r--r-- | stack/smp/smp_cmac.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/stack/smp/smp_cmac.c b/stack/smp/smp_cmac.c index 9ed295735..b0fdc0f1a 100644 --- a/stack/smp/smp_cmac.c +++ b/stack/smp/smp_cmac.c @@ -137,7 +137,7 @@ static BOOLEAN cmac_aes_k_calculate(BT_OCTET16 key, UINT8 *p_signature, UINT16 t tSMP_ENC output; UINT8 i = 1, err = 0; UINT8 x[16] = {0}; - UINT8 *p_mac; + UINT8 *p_mac = NULL; SMP_TRACE_EVENT ("cmac_aes_k_calculate "); @@ -157,6 +157,8 @@ static BOOLEAN cmac_aes_k_calculate(BT_OCTET16 key, UINT8 *p_signature, UINT16 t if (!err) { + if (tlen > BT_OCTET16_LEN) + tlen = BT_OCTET16_LEN; p_mac = output.param_buf + (BT_OCTET16_LEN - tlen); memcpy(p_signature, p_mac, tlen); |