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Impossible Differential Cryptanalysis of Pelican,MT-MAC-AES and PC-MAC-AES
MAC Cryptanalysis Impossible differential
2009/6/11
In this paper, the impossible differential cryptanalysis is ex-
tended to MAC algorithms Pelican, MT-MAC and PC-MAC based on
AES and 4-round AES. First, we collect message pairs that produce the
in...
满足k阶PC(l)的密码函数的新构造
弹性函数 扩散性 线性码
2009/4/24
该文基于线性分组码和双射函数,给出了满足k阶PC(l)的均衡相关免疫布尔函数新的构造方法。并据此进一步给出满足k阶PC(l)的(n,m,t)弹性函数的一般构造方法。此外,该文还揭示了这些函数的其它良好的密码学性质,如较高的非线性度、良好的代数次数、良好的构造计数等。
Finding MD5 Collisions on a Notebook PC Using Multi-message Modifications
MD5 collisions multi-message modification
2009/1/22
In this paper, we summarize the results achieved during our brief three months long research on collisions of the MD5 hash function. Being inspired by the results announced by Wang et al. [1] we indep...