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Commit d337520d authored by Hui Peng's avatar Hui Peng
Browse files

[Invisalign2] move btm_ble_increment_sign_ctr to tBTM_SEC_REC 

btm_ble_increment_sign_ctr -->
tBTM_SEC_REC::increment_sign_counter

Bug: 301661850
Test: m com.android.btservices
Flag: EXEMPT, no-op
Change-Id: I9e749f15ce13c81e4e36c0e1a1f94688c3835fce
parent 2c92bb26

system/stack/btm/btm_ble_sec.cc

+12 −19
Original line number Diff line number Diff line
@@ -792,28 +792,21 @@ tBTM_STATUS btm_ble_start_sec_check(const RawAddress& bd_addr, uint16_t psm, 


/*******************************************************************************

 *

 * Function         btm_ble_get_enc_key_type

 * Function         increment_sign_counter

 *

 * Description      This function is to increment local sign counter

 * Description      This method is to increment the (local or peer) sign counter

 * Returns         None

 *

 ******************************************************************************/

static void btm_ble_increment_sign_ctr(const RawAddress& bd_addr,

                                       bool is_local) {

  tBTM_SEC_DEV_REC* p_dev_rec;



  LOG_VERBOSE("btm_ble_increment_sign_ctr is_local=%d", is_local);



  p_dev_rec = btm_find_dev(bd_addr);

  if (p_dev_rec != NULL) {

    if (is_local)

      p_dev_rec->sec_rec.ble_keys.local_counter++;

    else

      p_dev_rec->sec_rec.ble_keys.counter++;

    LOG_VERBOSE("is_local=%d local sign counter=%d peer sign counter=%d",

                is_local, p_dev_rec->sec_rec.ble_keys.local_counter,

                p_dev_rec->sec_rec.ble_keys.counter);

void tBTM_SEC_REC::increment_sign_counter(bool local) {

  if (local) {

    ble_keys.local_counter++;

  } else {

    ble_keys.counter++;

  }



  LOG_VERBOSE("local=%d local sign counter=%d peer sign counter=%d", local,

              ble_keys.local_counter, ble_keys.counter);

}



/*******************************************************************************
@@ -1752,7 +1745,7 @@ bool BTM_BleDataSignature(const RawAddress& bd_addr, uint8_t* p_text, 


  crypto_toolbox::aes_cmac(p_rec->sec_rec.ble_keys.lcsrk, p_buf,

                           (uint16_t)(len + 4), BTM_CMAC_TLEN_SIZE, p_mac);

  btm_ble_increment_sign_ctr(bd_addr, true);

  p_rec->sec_rec.increment_sign_counter(true);



  LOG_VERBOSE("p_mac = %p", p_mac);

  LOG_VERBOSE(
@@ -1802,7 +1795,7 @@ bool BTM_BleVerifySignature(const RawAddress& bd_addr, uint8_t* p_orig, 
    crypto_toolbox::aes_cmac(p_rec->sec_rec.ble_keys.pcsrk, p_orig, len,

                             BTM_CMAC_TLEN_SIZE, p_mac);

    if (CRYPTO_memcmp(p_mac, p_comp, BTM_CMAC_TLEN_SIZE) == 0) {

      btm_ble_increment_sign_ctr(bd_addr, false);

      p_rec->sec_rec.increment_sign_counter(false);

      verified = true;

    }

  }

system/stack/btm/security_device_record.h

+2 −0
Original line number Diff line number Diff line
@@ -354,6 +354,8 @@ struct tBTM_SEC_REC { 
  }



  uint8_t get_encryption_key_size() const { return enc_key_size; }



  void increment_sign_counter(bool local);

};



class tBTM_SEC_DEV_REC {