| 基于APN置换的分组密码S盒研究 |
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| 引用本文： | 付敏峰. 基于APN置换的分组密码S盒研究[J]. 计算机安全, 2012, 0(10): 17-19 |
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| 作者姓名： | 付敏峰 |
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| 作者单位： | 浙江师范大学,浙江金华321004 |
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| 摘 要： | S盒是分组密码中唯一非线性部件,S盒的密码强度决定了整个密码算法的安全强度。输入变量为偶数的APN置换函数是构造分组密码S盒的最佳选择,寻找这种函数一直是一个公开问题。利用输入变量为6的APN置换函数的最新研究成果,应用仿射置换变换设计出6位的APN S盒,再应用动态S盒的设计思想,实现一种主流的8位S盒。
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| 关 键 词： | APN置换 S盒 APNS盒 仿射变换 |
Research of Block Cipher S-box Based on APN Permutation |
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| FU Min-feng. Research of Block Cipher S-box Based on APN Permutation[J]. Network & Computer Security, 2012, 0(10): 17-19 |
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| Authors: | FU Min-feng |
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| Affiliation: | FU Min-feng(Zhejiang Normal University,Jinhua,Zhejiang 321004) |
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| Abstract: | S-box is the only non-linear component in the block cipher.And its security determines the whole of the cryptographic algorithm.APN permutation is the best choice for constructing block cipher S-box,where the input variable is even.It’s a public problem whether exiting this APN permutation.The latest research result of APN permutation,which the input variable is 6,be used to affine transform design the 6-bit APN S-box.Then the paper applies the thinking of the dynamic S-box to achieve the mainstream 8-bit S-box. |
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| Keywords: | APN permutation S-box APN S-box Affine transform |
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