在这个Jethro和Jed的示例中，Ellie在执行设备订货之前可以先验证消息的完整性。
In our example with Jethro and Jed, Ellie could have verified the integrity of the message before executing the equipment order.
在这个Jethro和Jed的示例中，Ellie在执行设备订货之前可以先验证消息的完整性。
In our example with Jethro and Jed, Ellie could have verified the integrity of the message before executing the equipment order.
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