Random Oracle Model Proof
A Security Proof of KCDSA using an extended Random Oracle Model
... extended Random Oracle ...curity proof for the generalised ...the Random Oracle Model, who is external to the Simulator and ...provides oracle returns for one hash ...
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Key Encapsulation from Noisy Key Agreement in the Quantum Random Oracle Model
... The ongoing NIST PQC project, as a design-focused project with a some- what fixed timeframe, has boosted research on PQC and has attracted 69 pro- posals, which are the subject of intense scrutiny. Nevertheless —or ...
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Stronger Public Key Encryption Schemes Withstanding RAM Scraper Like Attacks
... attack model so that the adversary is fully empowered to carry out the ...defined oracle queries. Thus, during the game, adversary will ask various oracle queries and obtain the related responses and ...
15
Making Existential-Unforgeable Signatures Strongly Unforgeable in the Quantum Random-Oracle Model
... a proof by contradiction showing that if a scheme is not secure, then one can break a computational ...the random-oracle model (RO), where a hash function is treated as a truly random ...
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Simulation-Based Secure Functional Encryption in the Random Oracle Model
... security proof, they use the property of function privacy to show that the original experiment is computationally indistinguishable to an experiment where the post-challenge queries are answered with respect to a ...
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IND-CCA-secure Key Encapsulation Mechanism in the Quantum Random Oracle Model, Revisited
... Among NIST Round-1 submissions of an IND-CCA-secure KEM, 16 pro- posals use this trick to achieve QROM security. Intuitively, for 128-bit post- quantum security, this additional hash merely increases the ciphertext size ...
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On the Exact Security of Schnorr-Type Signatures in the Random Oracle Model
... zero-knowledge proof of knowledge of a discrete log- arithm) through the Fiat-Shamir transform [FS86], is one of the earliest discrete log-based signature schemes proposed in the ...the Random Oracle ...
24
Secure Identity-Based Encryption in the Quantum Random Oracle Model
... first proof of security for an identity-based encryption scheme in the quantum random oracle ...first proof of security for any scheme in this model that requires no additional ...two ...
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Adaptive Proofs have Straightline Extractors (in the Random Oracle Model)
... Related work. One-more type assumptions were introduced by Bellare et al. [2]. Their value in proving schemes secure is subject to some debate, as explained by Koblitz and Menezes [8] who also gave the rst weakened ...
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Tighter Security Proofs for GPV-IBE in the Quantum Random Oracle Model
... security proof of the GPV- IBE, we first change the public matrix A to a lossy matrix ˜ A and generate the secret keys and program the random oracle in the same way as ...
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(Tightly) QCCA-Secure Key-Encapsulation Mechanism in the Quantum Random Oracle Model
... decapsulation oracle on a query of any ciphertext c except the challenge ciphertext c ∗ ...security proof in [SXY18], the decapsulation oracle on input c returns K = H q (c) if c , c ∗ , where H q is ...
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Making Groth's zk-SNARK Simulation Extractable in the Random Oracle Model
... The purpose of this note is to provide a variant of Groth’s zk-SNARK [5] that satisfies simulation extractability, which is a strong form of adaptive non-malleability. Let us call such a construction a zk-SE-SNARK for ...
15
Non-interactive zero-knowledge proofs in the quantum random oracle model
... without oracle, it at least makes a proof of security less likely – at the least, such a security proof would be non-relativizing, while all known proof techniques that deal with rewinding in ...
26
A Note on the Instantiability of the Quantum Random Oracle
... quantum random oracle model, and we present them under a unified framework which we hope will be easy to ...a proof system where a prover (adversary in the signature setting) proves ...
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Generic Authenticated Key Exchange in the Quantum Random Oracle Model
... sense of IND-AA and actually, it is not secure against state attacks. Secondly, note that our security statement involves the probabilistic scheme PKE rather than PKE 0 . Unfortunately, we were not able to provide a ...
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An Efficient Certificate-Based Authenticated Key Agreement Protocol without Bilinear Pairing
... rity proof is given in [24]. In [35], Luo et al. provide a security model for constructing provably secure CB- AKA ...the random oracle model ...the random oracle ...
15
Automatically Verified Mechanized Proof of One-Encryption Key Exchange
... the random oracle model [37], ...general-purpose proof assistant Coq, which is widely believed to be ...from proof sketches that formally represent the se- quence of games and hints, ...
26
COMP443-13randomoracle-screen.pdf
... the Random Oracle, or see the queries of an adversary, as the challenger did in the ...the Random Oracle Model, while they are proven insecure in the standard model, regardless ...
31
Adaptive Proofs of Knowledge in the Random Oracle Model
... dom oracle is not required, the corresponding algorithms can simply be removed from the ...some proof schemes that causes problems with adaptivity is the rewinding extractor, for which we know of no ...
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A Provably-Secure Unidirectional Proxy Re-Encryption Scheme Without Pairing in the Random Oracle Model
... Although several PRE schemes have been proposed in the literature, a majority of the schemes relies on costly bilinear pairing operations. As stated by Chow et al.[8], removing pairing operations from PRE constructions ...
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