/*******************************************************************************
**
** Function smp_generate_confirm
**
** Description This function is called to start the second pairing phase by
** start generating initializer random number.
**
**
** Returns void
**
*******************************************************************************/
void smp_generate_confirm (tSMP_CB *p_cb, tSMP_INT_DATA *p_data)
{
SMP_TRACE_DEBUG0 ("smp_generate_confirm");
p_cb->rand_enc_proc = SMP_GEN_SRAND_MRAND;
/* generate MRand or SRand */
if (!btsnd_hcic_ble_rand((void *)smp_rand_back))
smp_rand_back(NULL);
}
/*******************************************************************************
**
** Function smp_generate_passkey
**
** Description This function is called to generate passkey.
**
** Returns void
**
*******************************************************************************/
void smp_generate_passkey(tSMP_CB *p_cb, tSMP_INT_DATA *p_data)
{
SMP_TRACE_DEBUG0 ("smp_generate_passkey");
p_cb->rand_enc_proc = SMP_GEN_TK;
/* generate MRand or SRand */
if (!btsnd_hcic_ble_rand((void *)smp_rand_back))
smp_rand_back(NULL);
}
/*******************************************************************************
**
** Function smp_generate_rand_vector
**
** Description This function is called when LTK is generated, send state machine
** event to SMP.
**
** Returns void
**
*******************************************************************************/
static void smp_generate_rand_vector (tSMP_CB *p_cb, tSMP_INT_DATA *p)
{
/* generate EDIV and rand now */
/* generate random vector */
SMP_TRACE_DEBUG0 ("smp_generate_rand_vector ");
p_cb->rand_enc_proc = SMP_GEN_RAND_V;
if (!btsnd_hcic_ble_rand((void *)smp_rand_back))
smp_rand_back(NULL);
}
/*******************************************************************************
**
** Function smp_genenrate_rand_cont
**
** Description This function is called to generate another 64 bits random for
** MRand or Srand.
**
** Returns void
**
*******************************************************************************/
void smp_genenrate_rand_cont(tSMP_CB *p_cb, tSMP_INT_DATA *p_data)
{
UNUSED(p_data);
SMP_TRACE_DEBUG ("smp_genenrate_rand_cont ");
p_cb->rand_enc_proc = SMP_GEN_SRAND_MRAND_CONT;
/* generate 64 MSB of MRand or SRand */
if (!btsnd_hcic_ble_rand((void *)smp_rand_back))
smp_rand_back(NULL);
}
/*******************************************************************************
**
** Function smp_generate_csrk
**
** Description This function is called to calculate LTK, starting with DIV
** generation.
**
**
** Returns void
**
*******************************************************************************/
void smp_generate_csrk(tSMP_CB *p_cb, tSMP_INT_DATA *p_data)
{
BOOLEAN div_status;
SMP_TRACE_DEBUG0 ("smp_generate_csrk");
div_status = btm_get_local_div(p_cb->pairing_bda, &p_cb->div);
if (div_status)
{
smp_compute_csrk(p_cb, NULL);
}
else
{
SMP_TRACE_DEBUG0 ("Generate DIV for CSRK");
p_cb->rand_enc_proc = SMP_GEN_DIV_CSRK;
if (!btsnd_hcic_ble_rand((void *)smp_rand_back))
smp_rand_back(NULL);
}
}
/*******************************************************************************
**
** Function smp_generate_ltk
**
** Description This function is called to calculate LTK, starting with DIV
** generation.
**
**
** Returns void
**
*******************************************************************************/
void smp_generate_ltk(tSMP_CB *p_cb, tSMP_INT_DATA *p_data)
{
BOOLEAN div_status;
SMP_TRACE_DEBUG0 ("smp_generate_ltk ");
div_status = btm_get_local_div(p_cb->pairing_bda, &p_cb->div);
if (div_status)
{
smp_genenrate_ltk_cont(p_cb, NULL);
}
else
{
SMP_TRACE_DEBUG0 ("Generate DIV for LTK");
p_cb->rand_enc_proc = SMP_GEN_DIV_LTK;
/* generate MRand or SRand */
if (!btsnd_hcic_ble_rand((void *)smp_rand_back))
smp_rand_back(NULL);
}
}
