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你好 #2

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MiJunRan opened this issue Nov 6, 2020 · 3 comments
Open

你好 #2

MiJunRan opened this issue Nov 6, 2020 · 3 comments

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@MiJunRan
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MiJunRan commented Nov 6, 2020

#include "affineTable.h"
#include "table.h"
#include "IN.h"
#include "OUT.h"

这些都是什么头文件里面是什么?
对与白盒密钥刚刚开始研究 不是很明白
主要目标是搞动态白盒
@ohhoo
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ohhoo commented Nov 6, 2020

这几个头文件里的都是加密时需要用到的数据；
affineTable.h里是每一轮的仿射编码；table.h是查找表，密钥嵌入在查找表里；IN与OUT是外部编码；
整个加密过程就是执行仿射变换、查表、异或这些操作

@MiJunRan
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MiJunRan commented Nov 6, 2020

那些编码 表 都是随机的吗?
我需要再看看论文 研究下

@ohhoo
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ohhoo commented Nov 6, 2020

对，编码是随机生成的，表需要在输入输出加上随机编码，论文里有具体介绍

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@MiJunRan @ohhoo