AES的下推攻击

2009 Third International Conference on Emerging Security Information, Systems and Technologies Pub Date : 2009-06-18 DOI:10.1109/SECURWARE.2009.50

M. El-Fotouh, K. Diepold

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引用次数: 3

摘要

我们提出了一个关于选择明文密码分析的新想法，我们可以在开始时绕过一些密码的加密轮。为了说明这个想法，我们开发了Pushdown攻击。这种攻击可以增加某些选择的明文攻击的强度。我们对AES应用了下推攻击，并且能够实现6轮攻击，只需要2$^{11}$选择明文，这减少了Square攻击所需的选择明文，减少了2$^{21}$。

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The Pushdown Attack on AES

We present a new idea on chosen plaintext cryptanalysis, where we can bypass some of the cipher's encryption rounds at its beginning. To illustrate this idea, we developed the Pushdown attack. This attack can increase the strength of some chosen plaintext attacks. We applied the Pushdown attack on AES and was able to achieve a 6-round attack that requires only 2$^{11}$ chosen plaintexts, this reduces the chosen plaintexts needed by the Square attack with a factor of 2$^{21}$.

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来源期刊

2009 Third International Conference on Emerging Security Information, Systems and Technologies

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