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Password-based group key exchange secure against insider guessing attacks
- in Proc. 2005 International Conference on Computational Intelligence and Security, LNAI
, 2005
"... Abstract. Very recently, Byun and Lee suggested two provably secure group Diffie-Hellman key exchange protocols using n participant’s distinct passwords. Unfortunately, the schemes were found to be flawed by Tang and Chen. They presented two password guessing attacks such as off-line and undetectabl ..."
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Cited by 2 (0 self)
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and undetectable on-line dictionary attacks by malicious insider attacker. In this paper, we present concrete countermeasures for two malicious insider attacks, and modify the two group Diffie-Hellman key exchange protocols to be secure against malicious insider password guessing attacks. Our countermeasures do
Enhancements of A Three-Party Password-Based Authenticated Key Exchange Protocol
, 2011
"... This paper discusses the security for a simple and efficient three-party password-based authenticated key exchange protocol proposed by Huang most recently. Our analysis shows her protocol is still vulnerable to three kinds of attacks: (1) undetectable on-line dictionary attacks; and (2) key-compro ..."
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This paper discusses the security for a simple and efficient three-party password-based authenticated key exchange protocol proposed by Huang most recently. Our analysis shows her protocol is still vulnerable to three kinds of attacks: (1) undetectable on-line dictionary attacks; and (2) key
Trapdoor Hard-to-Invert Group Isomorphisms and Their Application to Password-based Authentication
- JOURNAL OF CRYPTOLOGY
, 2006
"... In the security chain the weakest link is definitely the human one: human beings cannot remember long secrets and often resort to rather insecure solutions to keep track of their passwords or pass-phrases. For this reason it is very desirable to have protocols that do not require long passwords to ..."
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Cited by 9 (0 self)
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to guarantee security, even in the case in which exhaustive search is feasible. This is actually the goal of password-based key exchange protocols, secure against off-line dictionary attacks: two people share a password (possibly a very small one, say a 4-digit number), and after the protocol execution
A Secure Threshold Anonymous Password-Authenticated Key Exchange Protocol ⋆
, 2008
"... Abstract. At Indocrypt 2005, Viet et al., [22] have proposed an anonymous password-authenticated key exchange (PAKE) protocol and its threshold construction both of which are designed for client’s password-based authentication and anonymity against a passive server, who does not deviate the protocol ..."
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Cited by 1 (0 self)
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Abstract. At Indocrypt 2005, Viet et al., [22] have proposed an anonymous password-authenticated key exchange (PAKE) protocol and its threshold construction both of which are designed for client’s password-based authentication and anonymity against a passive server, who does not deviate
Research Article Password-Only Authenticated Three-Party Key Exchange with Provable Security in the Standard Model
"... Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Protocols for password-only authenticated key exchange (PAKE) in the three-party setting allow two clients registeredwith the same authent ..."
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the typical indistinguishability-based security of session keys but also the password security against undetectable online dictionary attacks. 1.
guidance of Prof. Raj Jain)
"... Kerberos was initially developed at MIT as a part of Project Athena and in these days it is widely deployed single sign-on protocol that is developed to authenticate clients to multiple networked services. Furthermore, Cross-realm authentication is a useful and interesting component of Kerberos aime ..."
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Kerberos was initially developed at MIT as a part of Project Athena and in these days it is widely deployed single sign-on protocol that is developed to authenticate clients to multiple networked services. Furthermore, Cross-realm authentication is a useful and interesting component of Kerberos
Human Trust Establishment
, 2011
"... Users regularly experience a crisis of confidence on the Internet. Is that email truly originating from the claimed individual? Is that Facebook invitation indeed from that person or is it a fake page set up by an impersonator? These doubts are usually resolved through a leap of faith, expressing th ..."
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the desperation of users. To establish a secure basis for Internet communication, we propose SafeSlinger, a system leveraging the proliferation of smartphones to enable people to securely and privately exchange their public keys. Through the exchanged authentic public key, SafeSlinger establishes a secure channel
Secure Geographic Routing in Wireless Sensor Networks
, 2013
"... the non-exclusive right to publish the Work electronically and in a non-commercial purpose make it accessible on the Internet. The Author warrants that he/she is the author to the Work, and warrants that the Work does not contain text, pictures or other material that violates copyright law. The Auth ..."
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the non-exclusive right to publish the Work electronically and in a non-commercial purpose make it accessible on the Internet. The Author warrants that he/she is the author to the Work, and warrants that the Work does not contain text, pictures or other material that violates copyright law. The Author shall, when transferring the rights of the Work to a third party (for example a publisher or a company); acknowledge the third party about this agreement. If the Author has signed a copyright agreement with a third party regarding the Work, the Author warrants hereby that he/she has obtained any necessary permission from this third party to let Chalmers University of Technology and University of Gothenburg store the Work electronically and make it accessible on the Internet.
Visualization of Hash-functions
"... den angegebenen Quellen und Hilfsmitteln angefertigt zu haben. Alle Stellen, die aus Quellen entnommen wurden, sind als solche kenntlich gemacht. Diese Arbeit hat in gleicher oder ähnlicher Form noch keiner Prüfungsbehörde vorgelegen. Darmstadt, den 26.06.2012 (T. Kilian) Contents ..."
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den angegebenen Quellen und Hilfsmitteln angefertigt zu haben. Alle Stellen, die aus Quellen entnommen wurden, sind als solche kenntlich gemacht. Diese Arbeit hat in gleicher oder ähnlicher Form noch keiner Prüfungsbehörde vorgelegen. Darmstadt, den 26.06.2012 (T. Kilian) Contents
22.10.2009 Implementation of a Peer-to-Peer Multiplayer Game with Realtime Requirements
"... Massively multiplayer online games (MMOGs) have become increasingly popular in the recent years, particularly in the form of online role-playing games (MMORPGs). These games support up to several ten thousand players interacting in a virtual game world. The current commercially successful games are ..."
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Massively multiplayer online games (MMOGs) have become increasingly popular in the recent years, particularly in the form of online role-playing games (MMORPGs). These games support up to several ten thousand players interacting in a virtual game world. The current commercially successful games
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