Lil María Rodríguez-Henríquez

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Payments through cards have become very popular in today’s world. All businesses now have options to receive payments through this instrument; moreover, most organizations store card information of its customers in some way to enable easy payments in future. Credit card data are a very sensitive information, and theft of this data is a serious threat to any(More)
In this paper we address the problem of authenticated query processing in outsourced databases. An authenticated query processing mechanism allows a client to verify the validity of the query responses that it gets from an un-trusted and remote server, who stores the client's database on its behalf. We introduce a general framework called RDAS for the(More)
Privacy of data stored at un-trusted servers is an important problem of today. A solution to this problem can be achieved by encrypting the outsourced data, but simple encryption does not allow efficient query processing. In this paper we propose a novel scheme for encrypting relational databases so that range queries can be efficiently executed on the(More)
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