Titlebook: Cryptology and Network Security; 21st International C Alastair R. Beresford,Arpita Patra,Emanuele Bellin Conference proceedings 2022 The Ed

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Updatable NIZKs from Non-Interactive Zapsess allows the verifier to update the SRS one time and bypass the need for a trusted third party. Then, we show that using a similar OR language, given a NI zap (of knowledge) and a . signature scheme, one can build NIZK arguments that can achieve Sub-ZK and . simulation soundness (resp. . simulatio

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Passive Triangulation Attack on ORideders. An attack on ORide was published at SAC 2021. The same paper proposes a countermeasure using noisy Euclidean distances to thwart their attack. We extend our attack to determine locations of drivers when given their permuted and noisy Euclidean distances from multiple points of reference, where

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Ulcer Measurement and Patient Assessment,edly malicious server without their consent. In this paper we present Auditable Asymmetric Password Authenticated Public Key Establishment (.), a cloud-based solution to allow users to manage their signing key-pairs that (i) has the same usability of cloud-based PKI certificates, and (ii) guarantees

良心

Alternative Topical Preparations,y using an identity-based encryption scheme with wildcard (WIBE). We also introduce the new notion of anonymous AugBE, where the used users set is hidden, and prove that it implies index hiding. We then provide two different WIBE constructions. The first one has constant size ciphertext and used to