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单选题

What are two types of ciphers?加密的两种方式是?()

发布日期:2021-03-19

What are two types of ciphers?加密的两种方式是?()
A

Transposition and Permutation.换位和置换

B

Substitution and Replacement.替代和置换

C

Transposition and Substitution.换位和替代

D

Transposition and Shift.换位和转换

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