[PDF] Top 20 Practical UC security with a Global Random Oracle

... are global, namely only a single instance of this setup exists in the ...a global trusted setup ...a random oracle). Rather, it consists of a global public key for which each party has ... See full document

... strict global random oracle. This is remarkable, as their security proofs in the local random-oracle model involve techniques that are not available to an EUC simula- tor: ... See full document

... that UC secure commitments are easy to implement in the (global) random oracle model [11]: one simply inputs the message concatenated with some randomness to the oracle and uses the ... See full document

... of security, in this paper we follow the standard approach for formalizing the security of deterministic public-key encryption schemes introduced by Bellare, Boldyreva and O’Neill [BBO07] and further ... See full document

... The security of aggregate Γ -signature is proved based on a new assumption pro- posed and justified in this work, referred to as non-malleable discrete-logarithm (NMDL), which might be of independent interest and ... See full document

... Since the National Institute of Standards and Technology (NIST) launched a project to develop new quantum-resistant cryptography standards [1], post-quantum cryptography has gained a growing attention at this moment. ... See full document

... and security require- ments as defined by Brickel and Li ...sketch security requirements. Full definitions and security games appear in Appendix ... See full document

... as random oracle without considering any internal structure of real hash functions but pairs of input and output of hash functions can be leaked to an adversary ... See full document

... [Unr15] Dominique Unruh. Non-interactive zero-knowledge proofs in the quantum random oracle model. In Elisabeth Oswald and Marc Fischlin, editors, Advances in Cryptol- ogy - EUROCRYPT 2015 - 34th Annual ... See full document

... general, security in the quantum random oracle model could be vacuous in a real-world implementa- ...access), security in the quantum random oracle provides more justification ... See full document

... In this section, we will make a computation performance comparison of the scheme FullCBE and other existing CBE schemes [1,7,8]. Here, we consider four major operations in all the CBE schemes, i.e., pairing (p), ... See full document

... This paper presents Sibyl, a system that takes rich queries that researchers and operators express as regu- lar expressions, then issues and returns traceroutes that match even if it has never measured a matching path in ... See full document

... – Oracle supplies a default password tool – 11gR1 has a default password check built in – There are no Oracle scanners (at least not public) – Oracle does provide various audit scripts ([r] ... See full document

... first practical ID-based encryption (IBE) scheme was proposed in 2001 by Boneh and Franklin [2], which was proved to be secure against adaptive chosen ciphertext attack in random oracle ... See full document

... Many researchers find this situation unsatisfactory. It is widely believed that the Fiat- Shamir transformation is in fact post-quantum secure, so that it should be possible to find a proof confirming this intuition and ... See full document

... An insured is defined as an individual affiliated with a social security scheme. It pays its dues and subsidies and has several benefits. The movements of accounting insured designate its related financial ... See full document

... Indeed, what happened with the Random Oracle Model re- minds us of the biblical story of the Bronze Serpent, repro- duced next. (See Numbers (21:4-8) and 2 Kings (18:4).) During the journey of the People of ... See full document

... an oracle, to estimate the upper-limit of classification accuracy for Native Language Identification ...The oracle outperforms state-of-the-art systems by over 10% and re- sults indicate that for many ... See full document

... In addition to the main game G, we define an auxiliary game G b that sits between the extractor K and its rewound provers (there is one copy of G b for each rewound prover). The task of G b is to “sanitize” prove queries ... See full document

... the UC framework two ITMs A and B in the same system of ITMs communicate by writing designated messages on the tapes of each other, specifying the message and the identity of the ...the UC framework, but we ... See full document