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我们需要使用 AES-GCM-256 加密 UUID 字符串,消费者将使用相同的 AES-GCM-256 对其进行解密。根据建议(RFC),IV(初始化向量)对于每次调用必须是唯一的,我很困惑IV 值如何在加密器和解密器之间共享或共享。