Signatories frequently did not have the technical skills to know what to do with the keys and often did not understand how or where those keys were stored on their computer systems.
签字人往往不具备有关技术技能，因此无法知道如何处理这些钥匙，而且往往不了解这些钥匙是如何储存在其计算机系统上的和储存在什么地方。