Document details from CiteSeerX (Isaac Councill, Lee Giles): Abstract. We explore whether non-malleability is necessary for the applications typically used to motivate it, and ...

Alternatives to Non-malleability: Definitions, Constructions, and Applications (Extended Abstract) Philip MacKenzi e 1, Michael K. Reiter 2, and Ke Yang 2 1 Bell Labs, Lucent ...

Alternatives to Non-Malleability: Definitions, Constructions and January 2, 2004 Abstract We explore whether non-malleability is necessary for the applications typically

Alternatives to Non-Malleability: Definitions, Constructions and Applications Philip MacKenzi e * MichaelK. Reiter ? Ke Yan g ? January2,2004 Abstract We explore whether non ...

1.1 Our results We may thus broadly categorize definitions of non-malleability into two major groups: "simulation-based"and"indistinguishability-based,"and each with two sub-groups ...

Category / Keywords: foundations / commitments, definitions, non-malleability, concurrency. Date: received 24 May 2008. Contact author: visconti at dia unisa it

... in situations that are previously believed to need non-malleability. This is joint work with Philip MacKenzieand Mike Reiter. Paper" Alternatives to Non-Malleability: Definitions ...

... that is many-message non-malleable against CPA. As an additional contribution, we show that even in the case of single-message security, the previous definitions of non-malleability ...

... the property of semantic security, and many cryptographic proofs use these definitions ... This equivalence is not immediately obvious, as non-malleability is a property dealing with ...

... goals of indistinguishability and non-malleability, each under chosen plaintext attack and two kinds of chosen ciphertext attack. For each of the resulting pairs of definitions we ...

Alternatives to Non-malleability: Definitions.. - MacKenzie, Reiter, Yang (2004) No context found. A. De Santis, G. Di Crescenzo, R. Ostrovsky, G.

Z ( k;z ) ; where ? denotes statistically indistinguishable in k and P denotes a class of polynomial-time bounded machines. 3 Three Non-Malleability Definitions of KEM 3.1 Definition ...

Feb 5: [D] Stronger definitions of security (non-malleability, chosen cyphertext attacks) Feb 7: [D] Relations between notions of security; The random oracle model For more ...

... schemes that meaningfully combine useful computability features with non-malleability. ... We formulate precise definitions that capture these intuitive requirements and also ...

We consider the goals of privacy and non-malleability, each under chosen-plaintext attack and two kinds of chosen-ciphertext attack. For each of the resulting pairs of definitions ...

... in an adversarially controlled manner, they guarantee non-malleability with respect to arbitrary protocols, and more. We show how to formulate universally composable definitions of ...

Lecture schedule: Lecture 1 (Jan. 17): Notions of security for public-key encryption: . We didn't cover a follow-up that discusses three equivalent definitions of non-malleability ...

Definitions. PRFs as MACs. CBC-MAC. Authenticated encryption. INT-PTXT. INT-CTXT. Non-malleability. Commitment schemes. Hard-core predicates.

Note that, unlike the definitions of non-malleability, we do not require that the relation be non-reflexive?that is, our definitions do not even allow B * to copy the commitment of ...

Alternatives to Non-malleability: Definitions, Constructions, and Applications (Extended Abstract). TCC 2004: 171-190: 2003; 15: EE: Juan A. Garay, Philip D.

... schemes that retain their non-malleability properties even if executed concurrently an unbounded (polynomial) number of times[36]. In principle, our definitions of non-malleability ...

Abstract: We prove the equivalence of two definitions of non-malleable encryption ... We show that non-malleability is equivalent to indistinguishability under a ``parallel ...

... constructions for wnm and tnm encryption schemes that are simpler than known constructions of non-malleable encryption schemes. 1 Alternatives to non-malleability: Definitions ...

... the goals of indistinguishability and non-malleability, each under chosen-plaintext attack and two kinds of chosen-ciphertext attack. For each of the resulting definitions we ...

Alternatives to Non-malleability: Definitions, Constructions, and Applications (Extended Abstract), Philip D. MacKenzie, Michael K. Reiter, Ke Yang, Theory of Cryptography:

Alternatives to Non-malleability: Definitions, Constructions, and Applications (Extended Abstract). TCC 2004: 171-190: 54: EE: Philip D. MacKenzie, Michael K.

... Zero-knowledge proofs and proofs of knowledge: definitions and constructions Constant-round zero-knowledge proofs of knowledge Other concerns (non-malleability, concurrency ...

We might leverage our experience with cryptographic definitions of semantic security and non-malleability to produce similar definitions and proofs. A first step in this ...

... done it on its own, without any help from Alice. This property is called non-malleability [ ... zero knowledge[DNS98 , RK99], and is also similar to the analogous definitions for non ...

... an adversarially controlled manner, they guarantee non-malleability with respect to arbitrary protocols, and more. We have shown how to formulate universally composable definitions ...