在RSA密钥产生过程中，已知φ（n）=160，选择e=23，确定d使得d≡1/e（mod（φ（n）），则d的值为（ ）。
- A.17
- B.7
- C.27
- D.37
正确答案及解析
正确答案
解析
本题考查RSA密钥过程计算方法。
根据题中算式d≡1/e（mod（φ（n）），将题中数值代入，变换形式得（d*e-1）modφ（n）=0，推导（d*23-1）mod 160=0成立。在4个选项中只有d=7才能满足。故本题选B（其余三项A、C、D均不满足）。
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