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在设计一个密钥管理系统时,首先要明确解决什么问题,有哪些因素要考虑,这是设计好一个系统的前提。一般来说,以下几个方面的因素必须考虑:A.
系统对保密强度的要求
B.
系统中哪些地方需要密钥，这些密钥采用什么方式预置或装入保密组件
C.
多长时间要更换—次密钥，即一个密钥规定使用的限期是多少
D.
密钥在什么地方产生
E.
系统的安全性与用户的承受能力
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A.
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A.
手术切除腺体适当
B.
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基础代谢率降到正常范围再进行手术
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