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calculate and send s_confirm

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This commit is contained in:
matthias.ringwald@gmail.com 2013-11-08 15:31:09 +00:00
parent 0e1aa0ece6
commit dadf87d336
1 changed files with 15 additions and 12 deletions
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27
example/libusb/ble_server.c
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@ -130,6 +130,7 @@ static int sm_send_identity_information = 0;
static int sm_send_identity_address_information = 0;
static int sm_send_signing_identification = 0;
static int sm_send_pairing_failed = 0;
static int sm_send_s_random = 0;
static int sm_received_encryption_information = 0;
static int sm_received_master_identification = 0;
@ -459,7 +460,7 @@ static void sm_run(void){
uint8_t buffer[8];
buffer[0] = SM_CODE_IDENTITY_ADDRESS_INFORMATION;
buffer[1] = sm_s_addr_type;
BD_ADDR_COPY(&buffer[2], sm_s_address);
bt_flip_addr(&buffer[2], sm_s_address);
l2cap_send_connectionless(sm_response_handle, L2CAP_CID_SECURITY_MANAGER_PROTOCOL, (uint8_t*) buffer, sizeof(buffer));
return;
}
@ -479,6 +480,14 @@ static void sm_run(void){
l2cap_send_connectionless(sm_response_handle, L2CAP_CID_SECURITY_MANAGER_PROTOCOL, (uint8_t*) buffer, sizeof(buffer));
return;
}
if (sm_send_s_random){
sm_send_s_random = 0;
uint8_t buffer[17];
buffer[0] = SM_CODE_PAIRING_RANDOM;
memcpy(&buffer[1], sm_s_random, 16);
l2cap_send_connectionless(sm_response_handle, L2CAP_CID_SECURITY_MANAGER_PROTOCOL, (uint8_t*) buffer, sizeof(buffer));
return;
}
}
static void sm_packet_handler(uint8_t packet_type, uint16_t handle, uint8_t *packet, uint16_t size){
@ -519,12 +528,8 @@ static void sm_packet_handler(uint8_t packet_type, uint16_t handle, uint8_t *pac
// received confirm value
memcpy(sm_m_confirm, &packet[1], 16);
// dummy
sm_response_size = 17;
memcpy(sm_response_buffer, packet, size);
// for real
// sm_state_responding = SM_STATE_C1_GET_RANDOM_A;
// calculate and send s_confirm
sm_state_responding = SM_STATE_C1_GET_RANDOM_A;
break;
case SM_CODE_PAIRING_RANDOM:
@ -537,10 +542,8 @@ static void sm_packet_handler(uint8_t packet_type, uint16_t handle, uint8_t *pac
sm_pairing_failed_reason = SM_REASON_CONFIRM_VALUE_FAILED;
break;
}
// TODO: send our own random
memcpy(sm_response_buffer, packet, size);
sm_response_size = 17;
// send s_random
sm_send_s_random = 1;
break;
case SM_CODE_ENCRYPTION_INFORMATION:
@ -686,7 +689,7 @@ static void packet_handler (void * connection, uint8_t packet_type, uint16_t cha
// calculate s_confirm
sm_c1(sm_tk, sm_s_random, sm_preq, sm_pres, sm_m_addr_type, sm_s_addr_type, sm_m_address, sm_s_address, sm_s_confirm);
// send data
// send s_confirm
sm_state_responding = SM_STATE_C1_SEND;
break;
default: