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Open AccessProceedings ArticleDOI

Encrypted key exchange: password-based protocols secure against dictionary attacks

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TLDR
A combination of asymmetric (public-key) and symmetric (secret- key) cryptography that allow two parties sharing a common password to exchange confidential and authenticated information over an insecure network is introduced.
Abstract
Classic cryptographic protocols based on user-chosen keys allow an attacker to mount password-guessing attacks. A combination of asymmetric (public-key) and symmetric (secret-key) cryptography that allow two parties sharing a common password to exchange confidential and authenticated information over an insecure network is introduced. In particular, a protocol relying on the counter-intuitive motion of using a secret key to encrypt a public key is presented. Such protocols are secure against active attacks, and have the property that the password is protected against offline dictionary attacks. >

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Citations
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Proceedings ArticleDOI

Efficient protocols secure against guessing and replay attacks

TL;DR: This paper presents a new set of efficient protocols that can establish secure communications while protecting passwords from any feasible guessing and replay attacks, and applies to both secure peer-to-peer and multicast communications.
Book ChapterDOI

A Formal Definition of Protocol Indistinguishability and Its Verification Using Maude-NPA

TL;DR: In this article, the notion of indistinguishability in Maude-NPA was formalized in terms of state unreachability conditions on the synchronous product of two protocols.
Journal ArticleDOI

Cryptanalysis and Design of a Three-Party Authenticated Key Exchange Protocol Using Smart Card

TL;DR: The formal security analysis proves that proposed 3PAKE protocol using smart card provides strong security protection on the relevant security attacks including the above-mentioned security weaknesses, and the simulation results show that the same protocol is SAFE under OFMC and CL-AtSe models.
Journal ArticleDOI

An efficient two‐party authentication key exchange protocol for mobile environment

TL;DR: The analyses in the aspects of efficiency and security show that the proposed protocol based on elliptic curve cryptography is a better choice for mobile users.
Book

Cryptography for Security and Privacy in Cloud Computing

TL;DR: This resource offers an overview of the possibilities of cryptography for protecting data and identity information, much beyond well-known cryptographic primitives such as encryption or digital signatures.
References
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Journal ArticleDOI

New Directions in Cryptography

TL;DR: This paper suggests ways to solve currently open problems in cryptography, and discusses how the theories of communication and computation are beginning to provide the tools to solve cryptographic problems of long standing.
Journal ArticleDOI

A method for obtaining digital signatures and public-key cryptosystems

TL;DR: An encryption method is presented with the novel property that publicly revealing an encryption key does not thereby reveal the corresponding decryption key.
Journal ArticleDOI

A public key cryptosystem and a signature scheme based on discrete logarithms

TL;DR: A new signature scheme is proposed, together with an implementation of the Diffie-Hellman key distribution scheme that achieves a public key cryptosystem that relies on the difficulty of computing discrete logarithms over finite fields.
Book ChapterDOI

A Public Key Cryptosystem and a Signature Scheme Based on Discrete Logarithms

TL;DR: In this article, a new signature scheme is proposed together with an implementation of the Diffie-Hellman key distribution scheme that achieves a public key cryptosystem and the security of both systems relies on the difficulty of computing discrete logarithms over finite fields.
Book

Cryptography and data security

TL;DR: The goal of this book is to introduce the mathematical principles of data security and to show how these principles apply to operating systems, database systems, and computer networks.
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