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sm: add SM_RESPONDER_PH4_W4_CONNECTION_ENCRYPTED and handle with peripheral role to emit re-encryption complete event

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This commit is contained in:
Matthias Ringwald 2020-11-09 12:31:00 +01:00
parent 42646f3875
commit 8d4eef95e2
2 changed files with 8 additions and 3 deletions
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10
src/ble/sm.c
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@ -2765,9 +2765,8 @@ static void sm_run(void){
case SM_RESPONDER_PH4_SEND_LTK_REPLY: {
sm_key_t ltk_flipped;
reverse_128(setup->sm_ltk, ltk_flipped);
connection->sm_engine_state = SM_RESPONDER_IDLE;
connection->sm_engine_state = SM_RESPONDER_PH4_W4_CONNECTION_ENCRYPTED;
hci_send_cmd(&hci_le_long_term_key_request_reply, connection->sm_handle, ltk_flipped);
sm_done_for_handle(connection->sm_handle);
return;
}
@ -3500,10 +3499,15 @@ static void sm_event_packet_handler (uint8_t packet_type, uint16_t channel, uint
switch (sm_conn->sm_engine_state){
case SM_INITIATOR_PH0_W4_CONNECTION_ENCRYPTED:
case SM_RESPONDER_PH4_W4_CONNECTION_ENCRYPTED:
// encryption change event concludes re-encryption for bonded devices (even if it fails)
if (sm_conn->sm_connection_encrypted) {
status = ERROR_CODE_SUCCESS;
sm_conn->sm_engine_state = SM_INITIATOR_CONNECTED;
if (sm_conn->sm_role){
sm_conn->sm_engine_state = SM_RESPONDER_IDLE;
} else {
sm_conn->sm_engine_state = SM_INITIATOR_CONNECTED;
}
} else {
status = ERROR_CODE_AUTHENTICATION_FAILURE;
// set state to 'TIMEOUT' to prevent further interaction with this

1
src/hci.h
View File

@ -335,6 +335,7 @@ typedef enum {
// Phase 4: re-establish previously distributed LTK
SM_RESPONDER_PH4_Y_W4_ENC,
SM_RESPONDER_PH4_SEND_LTK_REPLY,
SM_RESPONDER_PH4_W4_CONNECTION_ENCRYPTED,
// INITITIATOR ROLE
SM_INITIATOR_CONNECTED,