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Pre-cert fixes

feature-lorawan-1-1
Antti Kauppila 2018-11-16 13:06:43 +02:00
parent 0c7f5684bb
commit 45aec0c900
2 changed files with 21 additions and 13 deletions
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2
features/lorawan/lorastack/mac/LoRaMacChannelPlan.cpp
View File

@ -128,7 +128,7 @@ lorawan_status_t LoRaMacChannelPlan::remove_plan()
continue;
}
if (_lora_phy->remove_channel(channel_id) == false) {
if (_lora_phy->remove_channel(i) == false) {
return LORAWAN_STATUS_PARAMETER_INVALID;
}
}

32
features/lorawan/lorastack/mac/LoRaMacCrypto.cpp
View File

@ -128,7 +128,7 @@ int LoRaMacCrypto::compute_mic(const uint8_t *buffer, uint16_t size,
}
ret = mbedtls_cipher_cmac_starts(aes_cmac_ctx, key, APPKEY_KEY_LENGTH);
if (0 != ret)
if (0 != ret) {
goto exit;
}
@ -169,6 +169,7 @@ int LoRaMacCrypto::encrypt_payload(const uint8_t *buffer, uint16_t size,
uint16_t i;
uint8_t bufferIndex = 0;
int ret = 0;
uint16_t ctr = 1;
uint8_t a_block[16] = {0};
uint8_t s_block[16] = {0};
const uint8_t *key;
@ -183,7 +184,7 @@ int LoRaMacCrypto::encrypt_payload(const uint8_t *buffer, uint16_t size,
mbedtls_aes_init(&aes_ctx);
ret = mbedtls_aes_setkey_enc(&aes_ctx, key, APPKEY_KEY_LENGTH);
if (0 != ret)
if (0 != ret) {
goto exit;
}
@ -212,7 +213,8 @@ int LoRaMacCrypto::encrypt_payload(const uint8_t *buffer, uint16_t size,
a_block[15] = 0x01;
while (size >= 16) {
a_block[15]++;
a_block[15] = ((ctr) & 0xFF);
ctr++;
ret = mbedtls_aes_crypt_ecb(&aes_ctx, MBEDTLS_AES_ENCRYPT, a_block,
s_block);
@ -228,6 +230,7 @@ int LoRaMacCrypto::encrypt_payload(const uint8_t *buffer, uint16_t size,
}
if (size > 0) {
a_block[15] = ((ctr) & 0xFF);
ret = mbedtls_aes_crypt_ecb(&aes_ctx, MBEDTLS_AES_ENCRYPT, a_block,
s_block);
if (0 != ret) {
@ -281,7 +284,7 @@ int LoRaMacCrypto::compute_join_frame_mic(const uint8_t *buffer, uint16_t size,
}
ret = mbedtls_cipher_cmac_starts(aes_cmac_ctx, key, APPKEY_KEY_LENGTH);
if (0 != ret)
if (0 != ret) {
goto exit;
}
@ -322,7 +325,7 @@ int LoRaMacCrypto::decrypt_join_frame(const uint8_t *buffer, uint16_t size,
}
ret = mbedtls_aes_setkey_enc(&aes_ctx, key, APPKEY_KEY_LENGTH);
if (0 != ret)
if (0 != ret) {
goto exit;
}
@ -365,14 +368,15 @@ int LoRaMacCrypto::compute_skeys_for_join_frame(const uint8_t *args, uint8_t arg
nonce[0] = 0x02;
memcpy(nonce + 1, args, args_size);
ret = mbedtls_aes_crypt_ecb(&aes_ctx, MBEDTLS_AES_ENCRYPT, nonce, _keys.app_skey);
if (0 != ret)
if (0 != ret) {
goto exit;
}
mbedtls_aes_free(&aes_ctx);
mbedtls_aes_init(&aes_ctx);
ret = mbedtls_aes_setkey_enc(&aes_ctx, _keys.nwk_key, APPKEY_KEY_LENGTH);
if (0 != ret)
if (0 != ret) {
goto exit;
}
@ -380,7 +384,7 @@ int LoRaMacCrypto::compute_skeys_for_join_frame(const uint8_t *args, uint8_t arg
nonce[0] = 0x01;
memcpy(nonce + 1, args, args_size);
ret = mbedtls_aes_crypt_ecb(&aes_ctx, MBEDTLS_AES_ENCRYPT, nonce, _keys.nwk_skey);
if (0 != ret)
if (0 != ret) {
goto exit;
}
@ -392,16 +396,18 @@ int LoRaMacCrypto::compute_skeys_for_join_frame(const uint8_t *args, uint8_t arg
nonce[0] = 0x03;
memcpy(nonce + 1, args, args_size);
ret = mbedtls_aes_crypt_ecb(&aes_ctx, MBEDTLS_AES_ENCRYPT, nonce, _keys.snwk_sintkey);
if (0 != ret)
if (0 != ret) {
goto exit;
}
memset(nonce, 0, sizeof(nonce));
nonce[0] = 0x04;
memcpy(nonce + 1, args, args_size);
ret = mbedtls_aes_crypt_ecb(&aes_ctx, MBEDTLS_AES_ENCRYPT, nonce, _keys.nwk_senckey);
if (0 != ret)
if (0 != ret) {
goto exit;
}
}
exit: mbedtls_aes_free(&aes_ctx);
return ret;
@ -428,15 +434,17 @@ int LoRaMacCrypto::compute_join_server_keys(const uint8_t *eui)
nonce[0] = 0x05;
memcpy(nonce + 1, eui, 8);
ret = mbedtls_aes_crypt_ecb(&aes_ctx, MBEDTLS_AES_ENCRYPT, nonce, _keys.js_enckey);
if (0 != ret)
if (0 != ret) {
goto exit;
}
memset(nonce, 0, sizeof(nonce));
nonce[0] = 0x06;
memcpy(nonce + 1, eui, 8);
ret = mbedtls_aes_crypt_ecb(&aes_ctx, MBEDTLS_AES_ENCRYPT, nonce, _keys.js_intkey);
if (0 != ret)
if (0 != ret) {
goto exit;
}
exit:
mbedtls_aes_free(&aes_ctx);