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mesh: use larger decryption buffer

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This commit is contained in:
Matthias Ringwald 2018-10-26 08:52:48 +02:00
parent f34c9bad7b
commit 2df6ee7dfe
1 changed files with 40 additions and 17 deletions
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57
test/mesh/mesh.c
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@ -285,7 +285,7 @@ static void process_network_pdu_validate_d(void * arg){
printf_hexdump(net_mic, net_mic_len);
printf("Decrypted: ");
printf_hexdump(transport_pdu_data, 2 + cypher_len);
printf_hexdump(encryption_block, 2 + cypher_len);
// compare nic to nic in data
if (memcmp(net_mic, &network_pdu_data[network_pdu_len-net_mic_len], net_mic_len) == 0){
@ -304,7 +304,7 @@ static void process_network_pdu_validate_c(void * arg){
uint8_t ctl_ttl = network_pdu_data[1];
uint8_t net_mic_len = (ctl_ttl & 0x80) ? 8 : 4;
uint8_t cypher_len = network_pdu_len - 7 - net_mic_len;
btstack_crypto_ccm_decrypt_block(&mesh_ccm_request, cypher_len - 16, &network_pdu_data[7+16], &transport_pdu_data[16], &process_network_pdu_validate_d, NULL);
btstack_crypto_ccm_decrypt_block(&mesh_ccm_request, cypher_len - 16, &network_pdu_data[7+16], &encryption_block[16], &process_network_pdu_validate_d, NULL);
}
static void process_network_pdu_validate_b(void * arg){
@ -346,9 +346,9 @@ static void process_network_pdu_validate_b(void * arg){
btstack_crypo_ccm_init(&mesh_ccm_request, process_network_pdu_prov_data->encryption_key, network_nonce, cypher_len);
if (cypher_len > 16){
btstack_crypto_ccm_decrypt_block(&mesh_ccm_request, 16, &network_pdu_data[7], transport_pdu_data, &process_network_pdu_validate_c, NULL);
btstack_crypto_ccm_decrypt_block(&mesh_ccm_request, 16, &network_pdu_data[7], encryption_block, &process_network_pdu_validate_c, NULL);
} else {
btstack_crypto_ccm_decrypt_block(&mesh_ccm_request, cypher_len, &network_pdu_data[7], transport_pdu_data, &process_network_pdu_validate_d, NULL);
btstack_crypto_ccm_decrypt_block(&mesh_ccm_request, cypher_len, &network_pdu_data[7], encryption_block, &process_network_pdu_validate_d, NULL);
}
}
@ -523,9 +523,10 @@ 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];
#define TEST_MESSAGE_1
// #define TEST_MESSAGE_1
#define TEST_MESSAGE_24
static void load_provisioning_data_test_message_1(void){
static void load_provisioning_data_test_message(void){
provisioning_data.nid = 0x68;
provisioning_data.iv_index = 0x12345678;
btstack_parse_hex("0953fa93e7caac9638f58820220a398e", 16, provisioning_data.encryption_key);
@ -534,6 +535,8 @@ static void load_provisioning_data_test_message_1(void){
static void generate_transport_pdu(void){
load_provisioning_data_test_message();
#ifdef TEST_MESSAGE_1
// test values - message #1
network_pdu_src = 0x1201;
@ -545,33 +548,53 @@ static void generate_transport_pdu(void){
const char * message_1_transport_pdu = "034b50057e400000010000";
transport_pdu_len = strlen(message_1_transport_pdu) / 2;
btstack_parse_hex(message_1_transport_pdu, transport_pdu_len, transport_pdu_data);
#endif
load_provisioning_data_test_message_1();
#else
#ifdef TEST_MESSAGE_24
// test values - message #24
provisioning_data.iv_index = 0x12345677;
network_pdu_src = 0x1234;
network_pdu_dst = 0x9736;
network_pdu_seq = 0x07080d;
network_pdu_ttl = 3;
network_pdu_ctl = 0;
const char * message_24_transport_pdu = "e6a03401de1547118463123e5f6a17b9";
transport_pdu_len = strlen(message_24_transport_pdu) / 2;
btstack_parse_hex(message_24_transport_pdu, transport_pdu_len, transport_pdu_data);
#endif
#ifdef TEST_MESSAGE_X
network_pdu_src = 0x0025;
network_pdu_dst = 0x0001;
network_pdu_seq = 0x1234;
network_pdu_ttl = 0;
network_pdu_seq = 0x;
network_pdu_ttl = 3;
network_pdu_ctl = 0;
memset(transport_pdu_data, 0x55, 16);
transport_pdu_len = 16;
load_provisioning_data_test_message_1();
#endif
}
static void generate_network_pdu(void){
load_provisioning_data_test_message();
#ifdef TEST_MESSAGE_1
load_provisioning_data_test_message_1();
const char * message_1_network_pdu = "68eca487516765b5e5bfdacbaf6cb7fb6bff871f035444ce83a670df";
network_pdu_len = strlen(message_1_network_pdu) / 2;
btstack_parse_hex(message_1_network_pdu, network_pdu_len, network_pdu_data);
#else
const char * message_1_network_pdu = "6873F928228C0D4FBF888D73AAC1C3C417F3F85A76010893D1AB78CEAE";
#endif
#ifdef TEST_MESSAGE_24
// test values - message #24
provisioning_data.iv_index = 0x12345677;
const char * message_1_network_pdu = "E834586BABDEF394E998B4081F5A7308CE3EDBB3B06CDECD023C734EC9";
network_pdu_len = strlen(message_1_network_pdu) / 2;
btstack_parse_hex(message_1_network_pdu, network_pdu_len, network_pdu_data);
load_provisioning_data_test_message_1();
#endif
#ifdef TEST_MESSAGE_X
const char * message_1_network_pdu = "6873F928228C0D4FBF888D73AAC1C3C417F3F85A76010893D1B6396B74";
network_pdu_len = strlen(message_1_network_pdu) / 2;
btstack_parse_hex(message_1_network_pdu, network_pdu_len, network_pdu_data);
load_provisioning_data_test_message();
#endif
}