[PDF] Top 20 Adaptive Proofs of Knowledge in the Random Oracle Model

... sound adaptive proof yields CCA security. Our proof is to our knowledge the first proof of CCA security that considers a potentially rewinding reduction in an adaptive ...as proofs of existing ... See full document

... NIZK proofs. Zero-knowledge proofs are an vital tool in modern ...(NIZK) proofs where introduced [BFM88]. NIZK proofs circumvent the necessity for interaction by introducing a CRS, ... See full document

... forking-based proofs were rst noted by Shoup and Gennaro [1]; Paillier and Vergnaud [4] developed separation results for Schnorr-based sig- natures using metareductions that formed the rst formal proof of a ... See full document

... the random oracle model, the anonymity of the scheme relies on the zero-knowledge property of Π and the CPA-security of the randomized McEliece encryption scheme, while its traceability is ... See full document

... The idea is to have the prover randomize the δ element of the CRS with a secret scalar, and require her to prove knowledge of this secret scalar. This creates a situation where the adversary A must use his own ... See full document

... the Random Oracle (RO) model, SIM-Secure FE for restricted functionalities and was asked the generalization to more complex functionalities as a challenging problem in the ...RO model assuming ... See full document

... standard model remains elusive (be- yond the obvious fact that key-recovery is as hard as the DL problem under no-message ...group model. To the best of our knowledge, these are the only results up ... See full document

... security proofs of the above schemes (except CoSi, which was not proved secure) to clarify the contradiction between our result and the existing ...the random-oracle ... See full document

... quantum random- oracle adaptively. Basically, the random-oracle embeds one of the preceding functions, and programming the random-oracle roughly amounts to switching between the ... See full document

... security proofs of the above conversions, the challenger should simulate the decapsulation oracle on a query of any ciphertext c except the challenge ciphertext c ∗ ...decapsulation oracle on input c ... See full document

... the random oracle model is not a suitable model when attacks on quantum computers are to be considered ...this model, quantum adversaries are capable of querying the random ... See full document

... ZK proofs, for instance: the verifier needs to decide to accept or reject only at the end of the protocol so it is sufficient that a cheating prover is caught at that ...(global) random oracle ... See full document

... However, random oracle security proofs for these constructions typically only consider classical adversaries, thus failing to show security in the quantum ... See full document

... the random oracle model (ROM) instead of the quantum random oracle model (QROM), it remained unclear whether the scheme was truly post-quantum or ... See full document

... the random ora- cle model for reductionist security arguments was introduced and one decade since we first discussed the controversy that had arisen concern- ing its ...the random oracle ... See full document

... the Random Oracle Model (ROM) and the standard ...standard model). In 2011, Boneh et al. defined the notion of the Quantum Random Oracle Model (QROM), where queries to the ... See full document

... The aims of this paper are to highlight some of the challenges in authenticated key exchange for SIDH and to present some basic schemes (together with security analysis) as a starting point for future research. We ... See full document

... GUC model, as long as it’s not used in the simulation ...of random oracles in security ...weakly-programmable random oracles, ...the random oracle is fully programmable [18]. ... See full document

... the oracle access of the VRF function to evaluate for some input of his ...zero-knowledge proofs, adaptive oblivious transfer protocols, and verifiable transaction escrow ... See full document

... known as TESLA. TESLA was thought to have a tight security reduction from the learning with errors problem (LWE) in the random oracle model (ROM). Moreover, a variant using chameleon hash functions ... See full document