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only use OOB if initiator also indicates that it has OOB data

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matthias.ringwald@gmail.com 2013-11-28 15:50:00 +00:00
parent 03435b99d8
commit 98dc099930
1 changed files with 3 additions and 1 deletions
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4
example/libusb/ble_server.c
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@ -208,6 +208,7 @@ static int sm_received_signing_identification = 0;
static key_t sm_tk; static key_t sm_tk;
static key_t sm_m_random; static key_t sm_m_random;
static key_t sm_m_confirm; static key_t sm_m_confirm;
static uint8_t sm_m_have_oob_data;
static uint8_t sm_preq[7]; static uint8_t sm_preq[7];
static uint8_t sm_pres[7]; static uint8_t sm_pres[7];
@ -548,6 +549,7 @@ static void sm_packet_handler(uint8_t packet_type, uint16_t handle, uint8_t *pac
case SM_CODE_PAIRING_REQUEST: case SM_CODE_PAIRING_REQUEST:
// store key distribtion request // store key distribtion request
sm_m_have_oob_data = packet[2];
sm_key_distribution_set = packet[6]; sm_key_distribution_set = packet[6];
// for validate // for validate
@ -702,7 +704,7 @@ static void packet_handler (void * connection, uint8_t packet_type, uint16_t cha
log_info("LTK Request, state %u", sm_state_responding); log_info("LTK Request, state %u", sm_state_responding);
if (sm_state_responding == SM_STATE_W4_LTK_REQUEST){ if (sm_state_responding == SM_STATE_W4_LTK_REQUEST){
// use OOB data if available // use OOB data if available
if ((*sm_get_oob_data)(att_addr_type, att_address, sm_stk)){ if (sm_m_have_oob_data && (*sm_get_oob_data)(att_addr_type, att_address, sm_stk)){
key_t stk_flipped; key_t stk_flipped;
swap128(sm_stk, stk_flipped); swap128(sm_stk, stk_flipped);
hci_send_cmd(&hci_le_long_term_key_request_reply, sm_response_handle, stk_flipped); hci_send_cmd(&hci_le_long_term_key_request_reply, sm_response_handle, stk_flipped);