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The Security of Key Derivation Functions in WINRAR

机译:WinRAR中关键推导函数的安全性

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—In various versions of WINRAR, the file security is mainly protected by user authentication and files encryption. Password based key derivation function (PBKDF) is the core of the WINRAR security mechanism. In this paper, the security of PBKDF algorithm and the encrypted file in WINRAR are analyzed by the Game- Playing approach. We show the upper boundary of the Adversary’s Advantage over the random function. With the theoretical derivation, the actual safety of the WINRAR encrypted files has been discussed. According to the latest developments for GPU-based exhaustive password search attacks, we do some experiments and draw a conclusion that if the length of password is longer than 6, the WINRAR and later versions are secure.
机译:- 在各种版本的WinRAR中,文件安全性主要受用户身份验证和文件加密保护。基于密码的密钥推导函数(PBKDF)是WinRAR安全机制的核心。在本文中,游戏方法分析了PBKDF算法的安全性和WinRAR中的加密文件。我们以随机函数展示了对手的优势的上边界。通过理论推导,已经讨论了WinRAR加密文件的实际安全性。根据基于GPU的详尽密码搜索攻击的最新进展,我们执行一些实验并得出结论,如果密码长度超过6,WinRAR和更高版本都是安全的。

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