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E-voting vs. RFID in Security and Privacy : - The case of universal re-encryption public technique

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概要 Golle et al. proposed a universal re-encryption scheme for mix-net in RSA2004. In case of re-encryption, this universal re-encryption does not need a public key, but just uses a random encryption fact...or. Therefore, the decryption is very simple than that of other re-encryption schemes. In this paper, we apply this universal re-encryption to e-voting system and RFID system which have recently received a lot of attention for privacy and security with the advantage of the universal reencryption. Furthermore, we analyze security and privacy of our e-voting system and RFID system. In case of e-voting based on the universal reencryption, it can take the effective computational complexity because the decryption for the counting of voting contents is possible at once. But, it needs the requirement that the tallier is a trusted party. In case of RFID system, a consumer ’s privacy can be infringed by a strong tracing ability. Although ID of a RFID tag can be encrypted, it is possible to pursue an object by tracing specific information. We discuss security and privacy of e-voting system and RFID system using the universal re-encryption.続きを見る

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登録日 2009.04.22
更新日 2017.03.16