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【多选题】
数字签名具体做法是()。P142
A.
将报文摘要值用发送者私有密钥加密
B.
接收方用HASH算法对报文计算摘要值
C.
将报文按双方约定的HASH算法计算得到一个固定位数的报文摘要
D.
接收方用发送者的私有密钥对报文摘要进行解密
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【单选题】Future generations of physicists may look at the ______ of their former ideas and see in it, not the relics of some extinct creature, but a crude, early, yet wholly ______ version of their more modern...
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