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首页> 外文期刊>Journal of cryptographic engineering >Polynomial direct sum masking to protect against both SCA and FIA
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Polynomial direct sum masking to protect against both SCA and FIA

机译:多项式直接和掩蔽以防止SCA和FIA

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摘要

Side-channel attacks (SCAs) and fault injection attacks (FIAs) allow an opponent to have partial access to the internal behavior of the hardware. Since the end of the 1990s, many works have shown that this type of attacks constitutes a serious threat to cryptosystems implemented in embedded devices. In the state of the art, there exist several countermeasures to protect symmetric encryption (especially AES-128). Most of them protect only against one of these two attacks (SCA or FIA). A method called ODSM has been proposed to withstand SCA and FIA, but its implementation in the whole algorithm is a big open problem when no particular hardware protection is possible. In the present paper, we propose a practical masking scheme specifying ODSM which makes it possible to protect the symmetric encryption against these two attacks.
机译:边通道攻击(SCA)和故障注入攻击(FIA)使对手可以部分访问硬件的内部行为。自1990年代末以来,许多工作表明,此类攻击对嵌入式设备中实施的密码系统构成了严重威胁。在现有技术中,存在几种保护对称加密(特别是AES-128)的对策。它们中的大多数仅能抵御这两种攻击(SCA或FIA)之一。已经提出了一种称为ODSM的方法来抵制SCA和FIA,但是在没有特殊硬件保护的情况下,在整个算法中实现该方法是一个很大的开放性问题。在本文中,我们提出了一种指定ODSM的实用屏蔽方案,该方案可以保护对称加密免受这两种攻击。

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