Private Mobile Pay-TV From Priced Oblivious Transfer
نویسندگان
چکیده
منابع مشابه
Universally Composable Priced Oblivious Transfer
In this work we further enhance the work of Aiello et al. [1] on priced oblivious transfer, in which selling digital goods based on oblivious transfer is discussed. Their primary goal is to mimic a scenario in which a customer is buying digital goods from the vendor where the privacy of the customer is fully protected regarding which item(s) are bought or what is the total amount of shopping. N...
متن کاملOptimistic Fair Priced Oblivious Transfer
Priced oblivious transfer (POT) is a two-party protocol between a vendor and a buyer in which the buyer purchases digital goods without the vendor learning what is bought. Although privacy properties are guaranteed, current schemes do not offer fair exchange. A malicious vendor can, e.g., prevent the buyer from retrieving the goods after receiving the payment, and a malicious buyer can also acc...
متن کاملUniversally Composable Adaptive Priced Oblivious Transfer
An adaptive k-out-of-N Priced Oblivious Transfer (POT) scheme is a two-party protocol between a vendor and a buyer. The vendor sells a set of messages m1, . . . ,mN with prices p1, . . . , pN . In each transfer phase i = 1, . . . , k, the buyer chooses a selection value σi ∈ {1, . . . ,N } and interacts with the vendor to buy message mσi in such a way that the vendor does not learn σi and the b...
متن کاملUniversally Composable Adaptive Priced Oblivious Transfer
An adaptive k-out-of-N Priced Oblivious Transfer (POT) scheme is a two-party protocol betweena vendor and a buyer. The vendor sells a set of messagesm1, . . .,mN with pricesp1, . . . ,pN . Ineach transfer phase i = 1, . . . , k, the buyer chooses a selection value σi ∈ {1, . . . ,N } and interactswith the vendor to buy messagemσi in such a way that the vendor doe...
متن کاملPriced Oblivious Transfer: How to Sell Digital Goods
We consider the question of protecting the privacy of customers buying digital goods. More specifically, our goal is to allow a buyer to purchase digital goods from a vendor without letting the vendor learn what, and to the extent possible also when and how much, it is buying. We propose solutions which allow the buyer, after making an initial deposit, to engage in an unlimited number of priced...
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ژورنال
عنوان ژورنال: IEEE Transactions on Information Forensics and Security
سال: 2018
ISSN: 1556-6013,1556-6021
DOI: 10.1109/tifs.2017.2746058