Method generateValidNonce

src/modules/ble/fastpair_crypto.cpp:150–159

}

void FastPairCrypto::generateValidNonce(uint8_t *nonce) {
    uint32_t time_part = millis();
    memcpy(nonce, &time_part, 4);
    esp_fill_random(&nonce[4], 4);

    for (int i = 8; i < 16; i++) {
        nonce[i] = esp_random() & 0xFF;
        if (i == 8) nonce[i] |= 0x80;
    }
}

bool FastPairCrypto::looksLikeValidPublicKey(const uint8_t *key, size_t len) {
    if (len != 65) return false;