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华中理工大学计算机科学与工程系
Published:1991
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[1]崔国华.DES中一种新的搜索密钥空间的方法[J].电子学报,1991(05):75-80.
Cui Guohua. A New Method for Searching Key Space in the DES[J]. Acta Electronica Sinica, 1991, (5): 75-80.
[1]崔国华.DES中一种新的搜索密钥空间的方法[J].电子学报,1991(05):75-80. DOI:
Cui Guohua. A New Method for Searching Key Space in the DES[J]. Acta Electronica Sinica, 1991, (5): 75-80. DOI:
本文根据DES中生成内部密钥的左移次数
给出了一种搜索密钥空间的新方法。就搜索时间来看
此方法把密钥空间的大小由2
56
下降到2
54
。
According to the number of left shifts producing interior key in the DES
this paper gives a new method for searching key space. From the view point of searching time
this method lessens the key space from 256 to 254.
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