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TinyPBC: Pairings for Authenticated Identity-Based Non-Interactive Key Distribution in Sensor Networks

机译:tinypbc:用于传感器网络中的经过认证的基于身份的非交互式密钥分布的配对

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Key distribution in Wireless Sensor Networks (WSNs) is challenging. Symmetric cryptosystems can perform it efficiently, but they often do not provide a perfect trade-off between resilience and storage. Further, even though conventional public key and elliptic curve cryptosystem are computationally feasible on sensor nodes, protocols based on them are not. They require exchange and storage of large keys and certificates, which is expensive. Using Pairing-based Cryptography (PBC) protocols, conversely, parties can agree on keys without any interaction. In this work, we (i) show how security in WSNs can be bootstrapped using an authenticated identity-based non-interactive protocol and (ii) present TinyPBC, to our knowledge, the most efficient implementation of PBC primitives for an 8-bit processor. TinyPBC is able to compute pairings in about 5.5s on an ATmega128L clocked at 7.3828-MHz (the MICA2 and MICAZ node microcontroller).
机译:无线传感器网络(WSN)中的关键分布是具有挑战性的。对称密码系统可以有效地执行它,但它们通常不会在弹性和存储之间提供完美的权衡。此外,即使传统的公钥和椭圆曲线密码系统在传感器节点上计算地可行,也不是基于它们的协议。它们需要交换和存储大密钥和证书,这是昂贵的。相反,使用基于配对的加密(PBC)协议(PBC)协议,缔约方可以在没有任何互动的情况下达成一致。在这项工作中,我们(i)展示了WSN的安全性如何使用经过身份验证的基于身份的非交互式协议和(ii)呈现Tinypbc对8位处理器的知识来启动(ii)呈现tinypbc的安全性.8位处理器的PBC原语最有效地实现。 TinyPBC能够在7.3828-MHz(MICA2和MICAZ节点微控制器)上计时约5.5S的配对。

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