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Showing 1 to 6 of 6 for “"Fiat-Shamir"”.
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Attacks on the Fiat-Shamir paradigm and program obfuscation
… we focus on two types of heuristics: (1) the Fiat-Shamir heuristic for constructing digital signature schemes, and (2) heuristics for obfuscation. We show that, in some sense, both of these types of heuristics are insecure. Thus, this thesis consists of two parts: (1) The insecuirty of the …
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Provable Instantiations of Correlation Intractability and the Fiat-Shamir Heuristic
… though this question sounds almost paradoxical, Fiat and Shamir (1986) proposed (and Blum extended) a heuristic methodology for removing interaction from a huge class of interactive proofs. This methodology is ubiquitous and essential for practical applications, but for over thirty years, we had …
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Αρχιτεκτονική ασφάλειας δικτύων ενσωματωμένων συστημάτων
… την ανθεκτικότητα του πρωτοκόλλου ταυτοποίησης Fiat-Shamir σε περιβάλλοντα όπου εισάγονται εσκεμμένα λάθη στους κρυπτογραφικούς υπολογισμούς. Στη συνέχεια εισάγεται η καινοτόμος προσέγγιση της χρήσης τυχαιότητας στην κρυπτογραφία και προτείνεται ένα νέο πρωτόκολλο ασφαλούς επικοινωνίας, το οποίο …
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Code-Based Digital Signature Schemes: Construction, Cryptanalysis and Theoretical Foundations
… protocols, making them non-interactive using the Fiat-Shamir transform. Recently, numerous optimizations to the basic paradigm have been introduced, including the well-known fixed-weight optimization. Although this technique is widely used, its underlying security assumptions are still not well …
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Ensuring reliable and secure deployment of emergent workloads on modern microprocessors
… in this thesis generalize to all lattice-based Fiat–Shamir with aborts signature schemes. The threat of physical attacks is not restricted to lattice-based cryptography, however. As a case in point, this thesis also presents the first end-to-end fault injection attack against MAYO, a …
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Succinct non-interactive arguments for bounded depth computations
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-15 without embargo terms