2. 计算机
  3. In　a　public-key　cryptosystem,(71)encrypted　with　the　public　key　can　only　be　deciphered　with　the　private　key　from　the　same(72).　Co

In　a　public-key　cryptosystem,(71)encrypted　with　the　public　key　can　only　be　deciphered　with　the　private　key　from　the　same(72).　Co

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问题 In　a　public-key　cryptosystem,(71)encrypted　with　the　public　key　can　only　be　deciphered　with　the　private　key　from　the　same(72).　Conversely,(71)encrypted　with　the　private　key　can　be　decrypted　only　with　the　public　key.　Users　can　make　their　public　keys(73)available　or　place　them　at　a　key　distribution　center　or　others　to　access.　However,　the　private　key　must　be(74)safe.　In　public-key　systems　there’s　no(75)to　find　a　safe　channel　for　communicating　a　shared　secret　key.
选项 A、free
B、freely
C、locally
D、partly
答案B
解析
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