Problems with Diffie–Hellman
Another Look at Non-Standard Discrete Log and Diffie-Hellman Problems
... 1. Introduction In [25] we raised the issue of the use of non-standard versions of discrete logarithm and Diffie-Hellman problems in order to give reductionist security proofs or in order to give ...
16
An Efficient Signcryption Scheme from q-Diffie-Hellman Problems
... It has been also proved that the semantically secure symmetric encryption scheme proposed in the Libert et al’s scheme is not sufficient to guarantee to be secure against adaptive chosen[r] ...
9
A. The Diffie-Hellman protocol
... [2] [3]. This promising technology has a variety of purposes, functions, and capabilities, advancing under the push of recent technological advances and pull of myriad of potential solutions for both military and ...
5
On The Diffie-Hellman Assumption
... We generalize the Strong Boneh-Boyen (SBB) signature scheme to sign vec- tors (GSBB). There is a trivial worst-case polynomial time reduction from SBB to GSBB. We show that if an average case reduction exists where the ...
7
Easy decision-Diffie-Hellman groups
... co-DDH problems on elliptic curves are made easy by using ...DDH problems can be solved ...DDH problems are easy on the supersingular elliptic curves used in ...
16
The Twin Diffie-Hellman Problem and Applications
... [27] Alfred J. Menezes, Paul C. van Oorschot, and Scott A. Vanstone. Handbook of Applied Cryp- tography. The CRC Press series on discrete mathematics and its applications. CRC Press, 2000 N.W. Corporate Blvd., Boca ...
33
Discrete Logarithms, Diffie-Hellman, and Reductions
... these problems was shown to reduce in polynomial time to the Diffie-Hellman ...two problems to DH whose analyses require no such assumption; however, the price we have to pay for complete ...
16
The ZRTP Protocol Analysis on the Diffie Hellman mode
... multiple problems in order to mount a successful ...differing problems we might like to present him with are: Stealing a shared secret from one of the parties, being present on the very first session and ...
22
The Diffie-Hellman problem and generalization of Verheul's theorem
... the Diffie-Hellman problem can be efficiently solved in both µ n and ...field problems are harder than the problems on the supersingular curve just because one particular approach to proving ...
69
On the Bit Security of Elliptic Curve Diffie--Hellman
... lattice vector when we get more than 5 6 m bits. Therefore, this becomes a problem of recovering the shortest lattice vector. Boneh et al. [7] suggest using Coppersmith’s method [10] and construct a lattice that leads to ...
31
Diffie Hellman Key Exchange Java Example
... implementation, diffie hellman key specifications must wear corrective lenses while this is diffie hellman key exchange java example requires a compression ...information, diffie ...
9
Supersingular Isogeny Diffie-Hellman Authenticated Key Exchange
... gov/groups/ST/post-quantum-crypto/cfp-announce-dec2016.html 26. Petit, C.: Faster algorithms for isogeny problems using torsion point images. In: ASIACRYPT 2017, Part II. pp. 330–353 (2017) 27. Rostovtsev, A., ...
30
Trapdoor Functions from the Computational Diffie-Hellman Assumption
... We give a CCA2 secure PKE by largely following [RS09], but we need to overcome two problems. The first problem is that our TDF is not k-repetition secure, due to the blinding part of the input. We overcome this by ...
30
Boneh-Boyen signatures and the Strong Diffie-Hellman problem
... 1.1 Organization of the paper The rest of this paper is organized as follows. Section 2 contains background material such as security definitions, bilinear pairings, and the q-SDH and related problems. Section 3 ...
24
The performance of Group Diffie-Hellman paradigms: a software framework and analysis
... This has sparked the desire from end-users to experience the same functionality from these mobile devices without compromised security. Mobile devices are typically bat- tery powered and designed with energy-efficient ...
247
Securing MANET Using Diffie Hellman Digital Signature Scheme
... Keywords: Diffie Hellman Digital Signature Scheme, MANET, Security Man-in-Middle attack, Packet Delivery Ratio . 1. INTRODUCTION Mobile Ad-hoc Networks (MANETs) are future wireless networks consisting ...
5
Enhance the Security in Cloud Computing Using Diffie-Hellman Algorithm
... scheduling problems. One of the challenging scheduling problems in Cloud datacenters is to take the allocation and migration of reconfigurable virtual machines into consideration as well as the integrated ...
5
Diffie - Hellman algorithm
... thức Diffie - Hellman r t thích hợp trong truyền thông tin giữ liệu và có tính bảo mật khá ...khóa Diffie - Hellman với nội dung 3 chƣơng đƣợc chia thành các chủ đề khác nhau, từ việc giới ...
16
A TPM Diffie-Hellman Oracle
... By employing the oracle, the security provided by a group of order p is reduced by log k bits, provided k oracle queries are made and p ± 1 is divisible by k. The security reduction follows from a straightforward ...
5
Secure Bilinear Diffie-Hellman Bits
... We obtain an almost complete analogue of the results of [7, 13] for m = 2 (for example, for the elliptic curves used by Joux [17] and Verheul [28]) and much weaker, but nontrivial, results for m ≥ 3. For example, in the ...
8