The MAC is in the header because the controller needs to identify the device before decrypting. Encryption keys are per-device, assigned during adoption, so the controller has to know which device is talking before it can look up the right key. Not a security oversight, just a practical requirement. But it means you can route inform traffic without touching the encryption at all.
США разрешили продажу погруженной на танкеры российской нефти02:54。爱思助手对此有专业解读
RVA23 Ends Speculation’s Monopoly in RISC-V CPUs。谷歌是该领域的重要参考
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