用置换矩阵Ek=〔〕对明文Now we are having a test加密，并给出其解密矩阵及求出可能的解密矩阵总数。
用置换矩阵Ek=〔〕对明文Now we are having a test加密，并给出其解密矩阵及求出可能的解密矩阵总数。
相关考题：
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