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Code Issues Releases Activity

Fix ble eq3 bthome decryption regression

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Theo Arends committed 2026-10-19 14:35:40 +02:00
1 parent fb1929565f
commit d1358faffc
1 file changed
+1 -4
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tasmota/tasmota_xdrv_driver/xdrv_85_esp32_ble_eq3_trv.ino
+1 -4
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@@ -756,9 +756,6 @@ void TaskEQ3ParseBTHome(BLE_ESP32::ble_advertisment_t* pStruct) {
if (eq3->cryptState) {
#ifdef USE_MI_ESP32
#define USE_MI_DECRYPTION // Just to be sure...
uint8_t addrRev[6];
memcpy(addrRev, addr, 6);
BLE_ESP32::ReverseMAC(addrRev);
uint8_t* bufPtr = (uint8_t*)ServiceDataStr.data();
uint32_t micTag = *(uint32_t*)(bufPtr + (ServiceDataLength - 4));
uint8_t nonce[13];
@@ -769,7 +766,7 @@ void TaskEQ3ParseBTHome(BLE_ESP32::ble_advertisment_t* pStruct) {
memcpy(&nonce[9], bufPtr + (ServiceDataLength - 8), 4);
uint8_t* cipherText = bufPtr + 1;
int cipherLen = ServiceDataLength - 9;
eq3->cryptState = MIDecryptPayload(addrRev, nonce, micTag, cipherText, cipherLen);
eq3->cryptState = MIDecryptPayload(addr, nonce, micTag, cipherText, cipherLen);
if (eq3->cryptState) return; // Decrypt failed on any reason
ServiceDataLength -= 8;
ServiceData = bufPtr;