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首页> 外文期刊>Future generation computer systems >Design and hardware implementation of a security-enhanced elliptic curve cryptography based lightweight authentication scheme for smart grid communications
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Design and hardware implementation of a security-enhanced elliptic curve cryptography based lightweight authentication scheme for smart grid communications

机译：基于安全性增强的椭圆曲线密码的智能电网通信轻量认证方案的设计与硬件实现

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Security and privacy are among the main concerns in the smart grid adoption. The different parties of smart grid can communicate securely by means of symmetric key algorithms. However, in order to utilize the symmetric key encryption methods, the parties need to establish a common key beforehand. To do so, several key management schemes have been presented during the last decade to be employed in the context of smart grid. Quite recently, Mahmood et al. have proposed an interesting elliptic curve cryptography-based authentication and key agreement scheme for smart grid communications. They have said that their presented scheme can withstand several known attacks and can provide the perfect forward secrecy. After careful deliberation, we found that their scheme cannot provide the perfect forward secrecy. Furthermore, their scheme is vulnerable under the commonly accepted Canetti–Krawczyk adversarial model. That is to say, the private key of users and shared session keys can be easily compromised in case of ephemeral secrets leakage. As a result, to remedy the existing challenges, in this paper, an authentication scheme is proposed that can both provide the desired security features and offer better efficiency in communication and computational costs than several recently-published schemes. Finally yet importantly, the security of our proposed scheme has been validated using the widely-accepted ProVerif tool and the cryptographic elements have been implemented on a suitable hardware for smart meters. The results are indicative of the betterment of the proposed scheme for real-world applications. We hope that the obtained results be useful for other researches in this field.
机译：安全和隐私是智能电网采用中的主要问题。智能电网的各方可以通过对称密钥算法安全地进行通信。但是，为了利用对称密钥加密方法，各方需要预先建立公共密钥。为此，在过去的十年中提出了几种关键管理方案，以用于智能电网。最近，Mahmood等人。提出了一种有趣的基于椭圆曲线密码学的智能电网通信身份验证和密钥协商方案。他们说，他们提出的方案可以抵御几种已知的攻击，并且可以提供完美的前向保密性。经过深思熟虑，我们发现他们的方案无法提供完美的前向保密性。此外，在公认的Canetti-Krawczyk对抗模型下，他们的计划很脆弱。也就是说，在临时秘密泄漏的情况下，用户的私钥和共享会话密钥很容易受到损害。结果，为了解决现有的挑战，在本文中，提出了一种认证方案，与几种最近发布的方案相比，该认证方案既可以提供所需的安全功能，又可以提供更好的通信和计算成本效率。最后但重要的是，已使用广泛接受的ProVerif工具验证了我们提出的方案的安全性，并且已在适合智能电表的硬件上实现了加密元素。结果表明所提出的方案在实际应用中的改进。我们希望所获得的结果对该领域的其他研究有用。

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