sm.c (44263cccdec3144ada9cc3ea89ea892e10748030) sm.c (f55bd52945f4ddd49af344f18580538ca5157f2b)
1/*
2 * Copyright (C) 2014 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright

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2353 sm_timeout_reset(connection);
2354 break;
2355 }
2356
2357#endif
2358
2359#ifdef ENABLE_LE_PERIPHERAL
2360 case SM_RESPONDER_PH1_SEND_PAIRING_RESPONSE:
1/*
2 * Copyright (C) 2014 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright

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2353 sm_timeout_reset(connection);
2354 break;
2355 }
2356
2357#endif
2358
2359#ifdef ENABLE_LE_PERIPHERAL
2360 case SM_RESPONDER_PH1_SEND_PAIRING_RESPONSE:
2361 // echo initiator for now
2362 sm_pairing_packet_set_code(setup->sm_s_pres,SM_CODE_PAIRING_RESPONSE);
2361 sm_pairing_packet_set_code(setup->sm_s_pres,SM_CODE_PAIRING_RESPONSE);
2362
2363 // start with initiator key dist flags
2363 key_distribution_flags = sm_key_distribution_flags_for_auth_req();
2364
2364 key_distribution_flags = sm_key_distribution_flags_for_auth_req();
2365
2366#ifdef ENABLE_LE_SECURE_CONNECTIONS
2367 // LTK (= encyrption information & master identification) only exchanged for LE Legacy Connection
2365 if (setup->sm_use_secure_connections){
2368 if (setup->sm_use_secure_connections){
2366 connection->sm_engine_state = SM_SC_W4_PUBLIC_KEY_COMMAND;
2367 } else {
2368 connection->sm_engine_state = SM_RESPONDER_PH1_W4_PAIRING_CONFIRM;
2369 key_distribution_flags &= ~SM_KEYDIST_ENC_KEY;
2369 }
2370 }
2370
2371#endif
2372 // setup in response
2371 sm_pairing_packet_set_initiator_key_distribution(setup->sm_s_pres, sm_pairing_packet_get_initiator_key_distribution(setup->sm_m_preq) & key_distribution_flags);
2372 sm_pairing_packet_set_responder_key_distribution(setup->sm_s_pres, sm_pairing_packet_get_responder_key_distribution(setup->sm_m_preq) & key_distribution_flags);
2373 sm_pairing_packet_set_initiator_key_distribution(setup->sm_s_pres, sm_pairing_packet_get_initiator_key_distribution(setup->sm_m_preq) & key_distribution_flags);
2374 sm_pairing_packet_set_responder_key_distribution(setup->sm_s_pres, sm_pairing_packet_get_responder_key_distribution(setup->sm_m_preq) & key_distribution_flags);
2375
2373 // update key distribution after ENC was dropped
2374 sm_setup_key_distribution(sm_pairing_packet_get_responder_key_distribution(setup->sm_s_pres));
2375
2376 // update key distribution after ENC was dropped
2377 sm_setup_key_distribution(sm_pairing_packet_get_responder_key_distribution(setup->sm_s_pres));
2378
2379 if (setup->sm_use_secure_connections){
2380 connection->sm_engine_state = SM_SC_W4_PUBLIC_KEY_COMMAND;
2381 } else {
2382 connection->sm_engine_state = SM_RESPONDER_PH1_W4_PAIRING_CONFIRM;
2383 }
2384
2376 l2cap_send_connectionless(connection->sm_handle, L2CAP_CID_SECURITY_MANAGER_PROTOCOL, (uint8_t*) &setup->sm_s_pres, sizeof(sm_pairing_packet_t));
2377 sm_timeout_reset(connection);
2378 // SC Numeric Comparison will trigger user response after public keys & nonces have been exchanged
2379 if (!setup->sm_use_secure_connections || setup->sm_stk_generation_method == JUST_WORKS){
2380 sm_trigger_user_response(connection);
2381 }
2382 return;
2383#endif

--- 1724 unchanged lines hidden --- 		2385 l2cap_send_connectionless(connection->sm_handle, L2CAP_CID_SECURITY_MANAGER_PROTOCOL, (uint8_t*) &setup->sm_s_pres, sizeof(sm_pairing_packet_t));
2386 sm_timeout_reset(connection);
2387 // SC Numeric Comparison will trigger user response after public keys & nonces have been exchanged
2388 if (!setup->sm_use_secure_connections || setup->sm_stk_generation_method == JUST_WORKS){
2389 sm_trigger_user_response(connection);
2390 }
2391 return;
2392#endif

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