Rafael Pires

Publications
Influence

Evaluation of an RSSI-based Location Algorithm for Wireless Sensor Networks

G. Gracioli, A. Frohlich, Rafael Pires, Leo Wanner
Engineering
IEEE Latin America Transactions
16 June 2011

This work shows an evaluation of an implementation of a location algorithm for wireless sensor networks and presents improvements that substantially improve the trustworthiness in its results. Expand

SGX-Aware Container Orchestration for Heterogeneous Clusters

S. Vaucher, Rafael Pires, P. Felber, Marcelo Pasin, Valerio Schiavoni, C. Fetzer
Computer Science
IEEE 38th International Conference on Distributed…
15 May 2018

We propose a novel orchestrator for containers running on heterogeneous clusters of servers, with and without Intel Software Guard Extensions (SGX) support. Expand

SecureStreams: A Reactive Middleware Framework for Secure Data Stream Processing

Aurélien Havet, Rafael Pires, P. Felber, Marcelo Pasin, R. Rouvoy, Valerio Schiavoni
Computer Science
DEBS
8 June 2017

The growing adoption of distributed data processing frameworks in a wide diversity of application domains challenges end-to-end integration of properties like security, in particular when considering deployments in the context of large-scale clusters or multi-tenant Cloud infrastructures. Expand

Secure Content-Based Routing Using Intel Software Guard Extensions

Rafael Pires, Marcelo Pasin, P. Felber, C. Fetzer
Computer Science
Middleware
28 November 2016

In this paper, we follow a different strategy by taking advantage of trusted hardware extensions that have just been introduced in off-the-shelf processors and provide a trusted execution environment. Expand

SecureCloud: Secure big data processing in untrusted clouds

Florian Kelbert, Franz Gregor, +7 authors Peter R. Pietzuch
Computer Science
Design, Automation & Test in Europe Conference…
27 March 2017

We present the SecureCloud EU Horizon 2020 project, whose goal is to enable new big data applications that use sensitive data in the cloud without compromising data security and privacy. Expand

A Lightweight MapReduce Framework for Secure Processing with SGX

Rafael Pires, Daniel Gavril, P. Felber, Emanuel Onica, Marcelo Pasin
Computer Science
17th IEEE/ACM International Symposium on Cluster…
14 May 2017

We explore the use of Intel SGX for providing privacy guarantees for MapReduce operations in an untrusted environment. Expand

X-search: revisiting private web search using intel SGX

S. B. Mokhtar, A. Boutet, P. Felber, Marcelo Pasin, Rafael Pires, Valerio Schiavoni
Computer Science
Middleware
11 December 2017

This paper introduces X-Search, a novel private Web search mechanism building on the disruptive Software Guard Extensions (SGX) proposed by Intel. Expand

IBBE-SGX: Cryptographic Group Access Control Using Trusted Execution Environments

Stefan Contiu, Rafael Pires, S. Vaucher, Marcelo Pasin, P. Felber, L. Réveillère
Computer Science
48th Annual IEEE/IFIP International Conference on…
3 May 2018

We introduce IBBE-SGX, a new cryptographic access control extension that is efficient both in terms of computation and storage even when processing large and dynamic workloads of membership operations. Expand

CYCLOSA: Decentralizing Private Web Search through SGX-Based Browser Extensions

Rafael Pires, David Goltzsche, +6 authors Valerio Schiavoni
Computer Science
IEEE 38th International Conference on Distributed…
3 May 2018

This paper presents CYCLOSA, the first decentralized, private and accurate Web search solution that protects Web users against the risk of re-identification. Expand

Anonymous and Confidential File Sharing over Untrusted Clouds

Stefan Contiu, S. Vaucher, Rafael Pires, Marcelo Pasin, P. Felber, L. Réveillère
Computer Science
38th Symposium on Reliable Distributed Systems…
15 July 2019

We introduce A-SKY, a cryptographic access control extension capable of providing confidentiality and anonymity guarantees, all while efficiently scaling to large organizations. Expand

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