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Tripartite Diffie–Hellman protocol over Elliptic curves

On the Static Diffie-Hellman Problem on Elliptic Curves over Extension Fields

On the Static Diffie-Hellman Problem on Elliptic Curves over Extension Fields

... for elliptic curves? Problem is that one needs a factor base to beat the Brown/Gallant/Cheon complexity For ECs over F p , currently no known useful factor base Basic insight is that for ECs ...

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On  the  Static  Diffie-Hellman  Problem  on  Elliptic  Curves  over  Extension  Fields

On the Static Diffie-Hellman Problem on Elliptic Curves over Extension Fields

... For the computation of f 6 , we surprisingly ran out of memory, and so instead independently symmetrised the two f 4 polynomials used in the resultant com- putation to reduce the number of terms, and substituted x R into ...

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On  the  Bit  Security  of  Elliptic  Curve  Diffie--Hellman

On the Bit Security of Elliptic Curve Diffie--Hellman

... the DiffieHellman key exchange protocol in elliptic curves over extension fields F q for q = p d with d > 1 (an example of such useful curves are the GLS curves ...

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Weak  keys  of  the  Diffie  Hellman  key  exchange  II :  Pairing  based  schemes  on  elliptic  curves.

Weak keys of the Diffie Hellman key exchange II : Pairing based schemes on elliptic curves.

... the tripartite DH scheme is not negligible enough to be ignored, although we do not have a complete characterization of the density of their ...the tripartite DH ...the tripartite DH scheme are ...

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Bit  Security  of  the  Hyperelliptic  Curves  Diffie-Hellman  Problem

Bit Security of the Hyperelliptic Curves Diffie-Hellman Problem

... reduces the computation of DLP in G to the computation of CDHP in G if we are able to find an elliptic curve, called auxiliary elliptic curve, over F p with smooth order. From many cryptographic ...

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A Novel Secure Message Transmission Using Elliptic Curve Diffie Hellman Key Exchange Protocol

A Novel Secure Message Transmission Using Elliptic Curve Diffie Hellman Key Exchange Protocol

... systems. ELLIPTIC CURVE DIFFIE HELMAN (ECDH) key exchange protocol is adopted which is one of the highly secure cryptography technique compared with other cryptographic ...prime elliptic curve ...

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Noncommutative analogue of Diffie-Hellman protocol in matrix  ring over the residue ring

Noncommutative analogue of Diffie-Hellman protocol in matrix ring over the residue ring

... the DiffieHellman protocol We try to apply the cryptosystem BMMC for constructing noncommutative analogue of the Diffie-Hellman protocol to repel “man in the middle” attack and ...

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Prevention of Collaborative Attacks using Elliptic Curve Diffie-Hellman in MANET

Prevention of Collaborative Attacks using Elliptic Curve Diffie-Hellman in MANET

... [22] Yong Wang; Ramamurthy, B.; Xukai Zou; , "The Performance of Elliptic Curve Based Group Diffie-Hellman Protocols for Secure Group Communication over Ad Hoc Networks," Communications, 2006. ...

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CM55:  special  prime-field  elliptic  curves  almost  optimizing  den  Boer's  reduction  between  Diffie-Hellman   and  discrete  logs

CM55: special prime-field elliptic curves almost optimizing den Boer's reduction between Diffie-Hellman and discrete logs

... advantage over a random similar-sized ...of curves: prime order curves, random order curves, and smooth order ...512-bit curves and for everybody to use their own ...order curves ...

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Efficient  Elliptic  Curve  Diffie-Hellman  Computation  at  the 256-bit  Security  Level

Efficient Elliptic Curve Diffie-Hellman Computation at the 256-bit Security Level

... form elliptic curve targeted at the 256-bit security ...form curves over all the three ...the Diffie-Hellman key agree- ment protocol for the new Montgomery ...curve over ...

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Diffie-Hellman  key  exchange  protocol   and  non-abelian  nilpotent  groups.

Diffie-Hellman key exchange protocol and non-abelian nilpotent groups.

... in elliptic curves, in which case a cyclic group or a big enough cyclic component of an abelian group is ...specifically Diffie- Hellman key exchange protocol in situations where the ...

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Discrete  Logarithms,  Diffie-Hellman,   and  Reductions

Discrete Logarithms, Diffie-Hellman, and Reductions

... curve over F p whose jacobian group J C has a suitable order ...the elliptic curve case, where the group order also has magnitude close to p, the two-dimensional abelian variety J C has group order n ≈ p 2 ...

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A  Faster  Software  Implementation  of  the  Supersingular  Isogeny  Diffie-Hellman  Key  Exchange  Protocol

A Faster Software Implementation of the Supersingular Isogeny Diffie-Hellman Key Exchange Protocol

... exchange protocol and Montgomery curves and related arithmetic is ...SIDH protocol is ...Montgomery elliptic curve, we present in §4 a more efficient formulation of the point tripling ...

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The  Diffie-Hellman  problem   and  generalization  of  Verheul's  theorem

The Diffie-Hellman problem and generalization of Verheul's theorem

... fourth chapter, we discuss in more detail the theorem of Verheul (including its generalization), and its consequences. We give the mathematical background and definitions of the Tate and Weil pairings in chapter 5. In ...

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A. The Diffie-Hellman protocol

A. The Diffie-Hellman protocol

... exchange protocol that allow key agreement between sensor nodes implemented in an FPGA-type embedded architecture based on modified Diffie-Hellman protocol adapted to the specific context of ...

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Cryptanalysis   and  Improvement  of  an  Elliptic  Curve  Diffie-Hellman  Key  Agreement  Protocol

Cryptanalysis and Improvement of an Elliptic Curve Diffie-Hellman Key Agreement Protocol

... proposed protocol ECKE-1 as an efficient elliptic curve Diffie-Hellman two-party key agreement protocol using public key ...claims protocol ECKE-1 is vulnerable to key-compromise ...

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The ZRTP Protocol   Analysis on the Diffie Hellman mode

The ZRTP Protocol Analysis on the Diffie Hellman mode

... The main problem with this approach is inattentive users who may not execute the voice authentication procedure, or unattended secure phone calls to answering machines that cannot execute it. Additionally, some people ...

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Making  the  Diffie-Hellman  Protocol  Identity-Based

Making the Diffie-Hellman Protocol Identity-Based

... Our Approach. The first direction we took in our approach was to attempt to analyze the id- based KA protocols by Gunther [21] and Saeednia [31]. They also work over any cyclic group where the ...

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HMQV:  A  High-Performance  Secure  Diffie-Hellman  Protocol

HMQV: A High-Performance Secure Diffie-Hellman Protocol

... HMQV protocol does not need of such ...MQV protocol, this was questioned by Kaliski’s UKS attacks [24] (see the discussion above) that are not avoided by these ...the protocol does not rely on ...

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On  The  Diffie-Hellman  Assumption

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 ...

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