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Both B2B bartering as well as bartering between individuals is increasingly facilitated through online platforms. However, these platforms lack automation and neglect the privacy of their users by leaking crucial information about their offers and demands. It is in this context that we introduce the first privacy-preserving two-party bartering protocol which is secure against active attackers. As...
Second (GSM), third (UMTS), and fourth-generation (LTE) mobile telephony protocols are all in active use, giving rise to a number of interoperation situations. Although the standards address roaming by specifying switching and mapping of established security context, there is not a comprehensive specification of which are the possible interoperation cases. Nor is there comprehensive specification...
Fair and privacy-preserving reconciliation protocols on ordered sets have been introduced recently. Despite the fact that these protocols promise to have a great impact in a variety of applications, so far their practical use has been explored to a limited extent only. This paper addresses this gap. As main contributions, this paper identifies e-voting, auctions, event scheduling, and policy reconciliation...
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