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mesh: persist application keys

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This commit is contained in:
Matthias Ringwald 2019-06-06 17:20:45 +02:00
parent 91a8eb3ab2
commit 5a6c27d70d
1 changed files with 50 additions and 40 deletions
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90
test/mesh/mesh.c
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@ -338,46 +338,55 @@ static void mesh_setup_without_provisiong_data(void){
#endif
}
static uint32_t mesh_transport_key_tag_for_appkey_index(uint16_t appkey_index){
return ((uint32_t) 'M' << 24) | ((uint32_t) 'A' << 16) | ((uint32_t) appkey_index);
}
typedef struct {
uint16_t netkey_index;
uint16_t appkey_index;
uint8_t aid;
uint8_t key[16];
} mesh_persistent_app_key_t;
static mesh_transport_key_t test_application_key;
void mesh_store_app_key(uint16_t netkey_index, uint16_t appkey_index, uint8_t aid, const uint8_t * application_key){
mesh_persistent_app_key_t data;
printf("Store AppKey: AppKey Index 0x%06x, AID %02x: ", appkey_index, aid);
printf_hexdump(application_key, 16);
uint32_t tag = mesh_transport_key_tag_for_appkey_index(appkey_index);
data.netkey_index = netkey_index;
data.appkey_index = appkey_index;
data.aid = aid;
memcpy(data.key, application_key, 16);
btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data));
}
static void mesh_application_key_set(uint16_t netkey_index, uint16_t appkey_index, uint8_t aid, const uint8_t *application_key) {
test_application_key.netkey_index = netkey_index;
test_application_key.appkey_index = appkey_index;
test_application_key.aid = aid;
test_application_key.akf = 1;
memcpy(test_application_key.key, application_key, 16);
mesh_transport_key_add(&test_application_key);
static void mesh_load_app_key(uint16_t appkey_index){
mesh_persistent_app_key_t data;
uint32_t tag = mesh_transport_key_tag_for_appkey_index(appkey_index);
int app_key_len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data));
if (app_key_len == 0) return;
mesh_transport_key_t * key = btstack_memory_mesh_transport_key_get();
if (key == NULL) return;
key->appkey_index = data.appkey_index;
key->netkey_index = data.netkey_index;
key->aid = data.aid;
key->akf = 1;
memcpy(key->key, data.key, 16);
mesh_transport_key_add(key);
printf("Load AppKey: AppKey Index 0x%06x, AID %02x: ", key->appkey_index, key->aid);
printf_hexdump(key->key, 16);
}
static void mesh_load_app_keys(void){
/*
uint8_t data[2+1+16];
int app_key_len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, 'APPK', (uint8_t *) &data, sizeof(data));
if (app_key_len){
uint16_t appkey_index = little_endian_read_16(data, 0);
uint8_t aid = data[2];
uint8_t * application_key = &data[3];
mesh_application_key_set(0, appkey_index, aid, application_key);
printf("Load AppKey: AppKey Index 0x%06x, AID %02x: ", appkey_index, aid);
printf_hexdump(application_key, 16);
} else {
printf("No Appkey stored\n");
printf("Load App Keys\n");
// TODO: use TLV iterator
uint16_t appkey_index;
for (appkey_index = 0; appkey_index < 16; appkey_index++){
mesh_load_app_key(appkey_index);
}
*/
}
void mesh_store_app_key(uint16_t appkey_index, uint8_t aid, const uint8_t * application_key){
/*
printf("Store AppKey: AppKey Index 0x%06x, AID %02x: ", appkey_index, aid);
printf_hexdump(application_key, 16);
uint8_t data[2+1+16];
little_endian_store_16(data, 0, appkey_index);
data[2] = aid;
memcpy(&data[3], application_key, 16);
btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, 'APPK', (uint8_t *) &data, sizeof(data));
*/
}
// helper network layer, temp
@ -595,14 +604,15 @@ static btstack_crypto_aes128_cmac_t mesh_cmac_request;
static uint8_t mesh_secure_network_beacon[22];
static uint8_t mesh_secure_network_beacon_auth_value[16];
static mesh_transport_key_t pts_application_key;
static void load_pts_app_key(void){
// PTS app key
uint8_t application_key[16];
const char * application_key_string = "3216D1509884B533248541792B877F98";
btstack_parse_hex(application_key_string, 16, application_key);
mesh_application_key_set(0, 0, 0x38, application_key);
btstack_parse_hex("3216D1509884B533248541792B877F98", 16, pts_application_key.key);
pts_application_key.aid = 0x38;
mesh_transport_key_add(&pts_application_key);
printf("PTS Application Key (AID %02x): ", 0x38);
printf_hexdump(application_key, 16);
printf_hexdump(pts_application_key.key, 16);
}
static void send_pts_network_messsage(int type){
@ -2075,7 +2085,7 @@ static void config_appkey_add_or_udpate_aid(void *arg){
printf_hexdump(transport_key->key, 16);
// store in TLV
mesh_store_app_key(transport_key->appkey_index, transport_key->aid, transport_key->key);
mesh_store_app_key(transport_key->netkey_index, transport_key->appkey_index, transport_key->aid, transport_key->key);
// add app key
mesh_transport_key_add(transport_key);
@ -2153,7 +2163,7 @@ static void config_appkey_update_aid(void * arg){
printf_hexdump(transport_key->key, 16);
// store in TLV
mesh_store_app_key(transport_key->appkey_index, transport_key->aid, transport_key->key);
mesh_store_app_key(transport_key->netkey_index, transport_key->appkey_index, transport_key->aid, transport_key->key);
uint32_t netkey_and_appkey_index = (transport_key->appkey_index << 12) | transport_key->netkey_index;
config_appkey_status(NULL, mesh_pdu_netkey_index(access_pdu_in_process), mesh_pdu_src(access_pdu_in_process), netkey_and_appkey_index, MESH_FOUNDATION_STATUS_SUCCESS);