New Approaches for Deniable Authentication
نویسندگان
چکیده
منابع مشابه
A New ID-Based Deniable Authentication Protocol
Deniable authenticated protocol is a new cryptographic authentication protocol that enables a designated receiver to identify the source of a given message without being able to prove the identity of the sender to a third party. Therefore, it can be applied to some particular situations in electronic commerce. In this paper, we formally define the security model for the non-interactive ID-based...
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Digital Signatures enable authenticating messages in a way that disallows repudiation. While non-repudiation is essential in some applications, it might be undesirable in others. Two related notions of authentication are: Deniable Authentication (see Dwork, Naor and Sahai [25]) and Ring Signatures (see Rivest, Shamir and Tauman [38]). In this paper we show how to combine these notions and achie...
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The notion of deniable authentication protocol was introduced in 1998 by Dwork et al. [11] and Aumann and Rabin [1, 2] independently. As a new cryptographic authentication protocol, a deniable authentication protocol enables an intended receiver to identify the source of a given message without being able to prove the identity of the sender to a third party. Over the past years, many deniable a...
متن کاملNon-interactive Deniable Ring Authentication
In this paper, we propose a new primitive called non interactive deniable ring authentication: it is possible to convince a verifier that a member of an ad hoc collection of participants is authenticating a message m without revealing which one and the verifier V cannot convince any third party that the message m was indeed authenticated in a non-interactive way. Unlike the deniable ring authen...
متن کاملDeniable Authentication on the Internet
Deniable authentication is a technique that allows one party to send messages to another while the latter can not prove to a third party the fact of communication. In this paper, we first formalize a natural notion of deniable security and naturally extend the basic authenticator theorem by Bellare et al. [2] to the setting of deniable authentication. Of independent interest, this extension is ...
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ژورنال
عنوان ژورنال: Journal of Cryptology
سال: 2009
ISSN: 0933-2790,1432-1378
DOI: 10.1007/s00145-009-9044-3