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Key Exchange
  • Language: en
  • Pages: 46

Key Exchange

THE STORY: The scene is a bicycle path in Central Park, where three young cyclists come together each weekend. Philip, an aspiring novelist, is having an affair with Lisa, a photographer, while Michael, a Madison Avenue copywriter, is newly married

Cryptanalysis of an Identity‐based Authenticated Key Exchange Protocol
  • Language: en

Cryptanalysis of an Identity‐based Authenticated Key Exchange Protocol

  • Type: Book
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  • Published: 2017
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  • Publisher: Unknown

Authenticated key exchange protocols represent an important cryptographic mechanism that enables several parties to communicate securely over an open network. Elashry, Mu, and Susilo proposed an identity‐based authenticated key exchange (IBAKE) protocol where different parties establish secure communication by means of their public identities.The authors also introduced a new security notion for IBAKE protocols called resiliency, that is, if the secret shared key is compromised, the entities can generate another shared secret key without establishing a new session between them. They then claimed that their IBAKE protocol satisfies this security notion. We analyze the security of their prot...

Ikev2 Ipsec Virtual Private Networks
  • Language: en
  • Pages: 656

Ikev2 Ipsec Virtual Private Networks

  • Type: Book
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  • Published: 2016-08-29
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  • Publisher: Cisco Press

Create and manage highly-secure Ipsec VPNs with IKEv2 and Cisco FlexVPN The IKEv2 protocol significantly improves VPN security, and Cisco s FlexVPN offers a unified paradigm and command line interface for taking full advantage of it. Simple and modular, FlexVPN relies extensively on tunnel interfaces while maximizing compatibility with legacy VPNs. Now, two Cisco network security experts offer a complete, easy-tounderstand, and practical introduction to IKEv2, modern IPsec VPNs, and FlexVPN. The authors explain each key concept, and then guide you through all facets of FlexVPN planning, deployment, migration, configuration, administration, troubleshooting, and optimization. You ll discover h...

IPsec protocol with automatic keys exchange
  • Language: en

IPsec protocol with automatic keys exchange

  • Type: Book
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  • Published: Unknown
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  • Publisher: NOITE S.C.

You do not feel like writing keys manually in IPsec, use IKE. The micro-course describes the way of creating an encoded connection with the use of the IPsec protocol and an automatic key exchange. Keywords: IPsec, IKE, Internet Key Exchange, racoon, X.509, tunneling, KAME, iptools, 500/UDP, tunnel mode, transport mode IPsec protocol with automatic keys exchange Automatic key exchange IKE - Internet Key Exchange Configuration of racoon Testing connection - racoon Automatic key exchange using the X.509 certificates IPsec – tunnel mode

Fast Key Exchange with Elliptic Curve Systems
  • Language: en
  • Pages: 10

Fast Key Exchange with Elliptic Curve Systems

  • Type: Book
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  • Published: 1995
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  • Publisher: Unknown

Abstract: "The Diffie-Hellman key exchange algorithm can be implemented using the group of points on an elliptic curve over the field F2n. A software version of this using n = 155 can be optimized to achieve computation rates that are significantly faster than non-elliptic curve versions with a similar level of security. The fast computation of reciprocals in F2n is the key to the highly efficient implementation described here."

A Novel and Efficient Lattice‐based Authenticated Key Exchange Protocol in C‐K Model
  • Language: en

A Novel and Efficient Lattice‐based Authenticated Key Exchange Protocol in C‐K Model

  • Type: Book
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  • Published: 2017
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  • Publisher: Unknown

Key exchange protocols play an important role in securing the network communication over an insecure channel. In literature, a large number of key exchange schemes exist. The security of most of them is based on the Diffie‐Hellman (DH) problems over a group. But these types of DH problems are solvable in the presence of quantum computers. Thus, we require a non‐DH type key exchange scheme that resists to the quantum computers and new modern technologies. In this paper, 2 novel lattice‐based authenticated key exchange (LB‐AKE) protocols, (1) using a signature‐based authenticator and (2) using a signcryption‐based authenticator, are devised in Canetti‐Krawczyk proof model. The se...

Internet Key Exchange
  • Language: en
  • Pages: 144

Internet Key Exchange

High Quality Content by WIKIPEDIA articles! Internet Key Exchange (IKE or IKEv2) is the protocol used to set up a security association (SA) in the IPsec protocol suite. IKE builds upon the Oakley protocol and ISAKMP. IKE uses X.509 certificates for authentication which are either pre-shared or distributed using DNS (preferably with DNSSEC), and a Diffie-Hellman key exchange to set up a shared session secret from which cryptographic keys are derived. In addition, a security policy for every peer which will connect must be manually maintained.

Strongly Secure Authenticated Key Exchange in the Standard Model
  • Language: en
  • Pages: 146

Strongly Secure Authenticated Key Exchange in the Standard Model

  • Type: Book
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  • Published: 2013
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  • Publisher: Unknown

None

A Novel Cryptographic Key-exchange Algorithm
  • Language: en
  • Pages: 108

A Novel Cryptographic Key-exchange Algorithm

The combination of advanced mathematical techniques with the enormous growth of the possibilities for automatic data-processing has resulted in very strong systems of cryptography, that is systems that are powerful, sophisticated, and virtually impregnable. Cryptographers cannot design cryptosystems that are guaranteed to have no weaknesses or that are impervious to unforeseeable methods of attack. Cryptosystems make it very difficult but not impossible for an attacker to determine the decoding key and also protect information resources at less cost than the value of the information that is being protected. This book is aimed at solving a real life situation of encryption which uses cryptographic techniques for secure communication. At the end, a mathematical algorithm will be developed to produce a Key Generation and Exchange situation which will comprise of private key and public key. The general objective of this book is to contribute to the general body of knowledge in the area of cryptography and to support classification of top secret information. The following security requirements will be met: - authentication, confidentiality, Integrity, non-repudiation.

Cryptology and Network Security
  • Language: en
  • Pages: 380

Cryptology and Network Security

This book constitutes the refereed proceedings of the 5th International Conference on Cryptology and Network Security, CANS 2006, held in Suzhou, China in December 2006. The 26 revised full papers presented together with 2 invited papers were carefully reviewed and selected from 148 submissions. The papers are organized in topical sections on encryption, key exchange, authentication and signatures, proxy signatures, cryptanalysis, implementation, steganalysis and watermarking, boolean functions and stream ciphers, intrusion detection, as well as disponibility and reliability.