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首页> 外文期刊>Journal of cryptographic engineering >Message-aimed side channel and fault attacks against public key cryptosystems with homomorphic properties
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Message-aimed side channel and fault attacks against public key cryptosystems with homomorphic properties

机译：针对具有同态特性的公钥密码系统的消息专用侧信道和故障攻击

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摘要

In this work, we introduce a new timing vulnerability in the decryption operation of the McEliece cryptosys-tem. Furthermore, we review previously known side channel and fault attacks against the RSA and McEliece cryptosystems and analyze them with respect to their differences and similarities concerning the respective points of attack. We show that it is basically the homomorphic properties of these schemes that allow the special type of message-aimed attacks based on observing the decryption of manipulated versions of the respective ciphertext and derive an according methodology for the analysis of such schemes with respect to these attacks. Consequently, we present new side channel attacks against other public key cryptosystems with homomorphic properties and point out certain aspects that are special to the countermeasures against this type of attack.
机译：在这项工作中，我们在McEliece加密系统的解密操作中引入了一个新的定时漏洞。此外，我们回顾了针对RSA和McEliece密码系统的先前已知的边信道攻击和故障攻击，并就它们在各个攻击点上的差异和相似性进行了分析。我们表明，基本上是这些方案的同构性质允许基于观察到各自密文的操纵版本的解密的特殊类型的消息针对的攻击，并针对这些攻击推导了用于分析此类方案的相应方法。因此，我们提出了针对具有同态特性的其他公钥密码系统的新的边信道攻击，并指出了某些特定的方面，这些方面是针对此类攻击的对策。

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