Encrypted key exchange: password-based protocols secure against dictionary attacks
Steven M. Bellovin,Michael Merritt +1 more
- pp 72-84
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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. >read more
Citations
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Book ChapterDOI
Better Authentication: Password Revolution by Evolution
TL;DR: The aim is to improve the security and revocation of authentication actions with devices and end-points, while minimising changes which reduce ease of use and ease of deployment.
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A Generic Approach to Improving Diffie–Hellman Key Agreement Efficiency for Thin Clients
TL;DR: A new problem—the modified Computational Diffie–Hellman Problem (MCDHP) is proposed and its security is proved to be equivalent to the Computationaldiffie– Hellman Problem.
Journal ArticleDOI
Cryptanalysis of a three-party password-based authenticated key exchange protocol using Weil pairing
Debiao He,Jianhua Chen +1 more
TL;DR: The analysis shows Zeng et al.'s protocol is insecure for practical applications and cannot resist impersonation attacks and undetectable online dictionary attacks.
Journal ArticleDOI
RSA-Based Password-Authenticated Key Exchange, Revisited
TL;DR: It is proved that the Challenge/Response Method1 and the challenge/response method2 are secure against e-residue attacks for any odd prime e and it is shown that the RSA-PAKE protocol is provably secure in the random oracle model where all of the off-line attacks are not more efficient than on-line dictionary attacks.
Journal ArticleDOI
A Secure Authenticated Key Exchange Protocol for Credential Services
TL;DR: A leakage-resilient and proactive authenticated key exchange protocol for credential services which provides not only a higher level of security against leakage of stored secrets but also secrecy of private key with respect to the involving server is proposed.
References
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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.
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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.
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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.