activity
20132026
most citedChannel Metrization

5 citations · 13 across the 29 of their papers we have counts for

collaborators

38 papers

cs.IT2026

Function Tables for Secure Distributed Matrix Multiplication

Rafael G. L. D'Oliveira, Giulia Gaggero, Arturo Jaramillo Gil +3

We introduce function tables, an entrywise representation of the coefficient functions that appear in the worker responses of a secure distributed matrix multiplication (SDMM) sche…

cs.IT2026

Improved Degree Tables for Secure Distributed Matrix Multiplication

John Byrne, Rafael G. L. D'Oliveira, Michael Tait

In secure distributed matrix multiplication, a user wishes to compute the product of two matrices with the assistance of servers, in such a way that any colluding servers learn…

cs.IT2024

A Monotone Circuit Construction for Individually-Secure Multi-Secret Sharing

Cailyn Bass, Alejandro Cohen, Rafael G. L. D'Oliveira +1

In this work, we introduce a new technique for taking a single-secret sharing scheme with a general access structure and transforming it into an individually secure multi-secret sh…

cs.IT2024

Secure Distributed Matrix Multiplication with Precomputation

Ryann Cartor, Rafael G. L. D'Oliveira, Salim El Rouayheb +3

We consider the problem of secure distributed matrix multiplication in which a user wishes to compute the product of two matrices with the assistance of honest but curious servers.…

cs.ET2024

Leveraging AES Padding: dBs for Nothing and FEC for Free in IoT Systems

Jongchan Woo, Vipindev Adat Vasudevan, Benjamin D. Kim +5

The Internet of Things (IoT) represents a significant advancement in digital technology, with its rapidly growing network of interconnected devices. This expansion, however, brings…

cs.IT2024

Error Correction Capabilities of Non-Linear Cryptographic Hash Functions

Alejandro Cohen, Rafael G. L. D'Oliveira

Linear hashes are known to possess error-correcting capabilities. However, in most applications, non-linear hashes with pseudorandom outputs are utilized instead. It has also been…

cs.IT2023

Optimal Binary Differential Privacy via Graphs

Sahel Torkamani, Javad B. Ebrahimi, Parastoo Sadeghi +2

We present the notion of \emph{reasonable utility} for binary mechanisms, which applies to all utility functions in the literature. This notion induces a partial ordering on the pe…

cs.CR2023

CRYPTO-MINE: Cryptanalysis via Mutual Information Neural Estimation

Benjamin D. Kim, Vipindev Adat Vasudevan, Jongchan Woo +4

The use of Mutual Information (MI) as a measure to evaluate the efficiency of cryptosystems has an extensive history. However, estimating MI between unknown random variables in a h…

cs.CR2023

Generalized Rainbow Differential Privacy

Yuzhou Gu, Ziqi Zhou, Onur Günlü +4

We study a new framework for designing differentially private (DP) mechanisms via randomized graph colorings, called rainbow differential privacy. In this framework, datasets are n…

cs.CR2023★ 1 cited

CERMET: Coding for Energy Reduction with Multiple Encryption Techniques --

Jongchan Woo, Vipindev Adat Vasudevan, Benjamin Kim +4

This paper presents CERMET, an energy-efficient hardware architecture designed for hardware-constrained cryptosystems. CERMET employs a base cryptosystem in conjunction with networ…

cs.CR2023★ 1 cited

Compressed Private Aggregation for Scalable and Robust Federated Learning over Massive Networks

Natalie Lang, Nir Shlezinger, Rafael G. L. D'Oliveira +1

Federated learning (FL) is an emerging paradigm that allows a central server to train machine learning models using remote users' data. Despite its growing popularity, FL faces cha…

cs.IT2023★ 1 cited

A Non-Asymptotic Analysis of Mismatched Guesswork

Alexander Mariona, Homa Esfahanizadeh, Rafael G. L. D'Oliveira +1

The problem of mismatched guesswork considers the additional cost incurred by using a guessing function which is optimal for a distribution when the random variable to be guess…

cs.LG2023

PEOPL: Characterizing Privately Encoded Open Datasets with Public Labels

Homa Esfahanizadeh, Adam Yala, Rafael G. L. D'Oliveira +8

Allowing organizations to share their data for training of machine learning (ML) models without unintended information leakage is an open problem in practice. A promising technique…

cs.IT2022

A Bivariate Invariance Principle

Alexander Mariona, Homa Esfahanizadeh, Rafael G. L. D'Oliveira +1

A notable result from analysis of Boolean functions is the Basic Invariance Principle (BIP), a quantitative nonlinear generalization of the Central Limit Theorem for multilinear po…

cs.IT2022

Absolute Security in High-Frequency Wireless Links

Alejandro Cohen, Rafael G. L. D'Oliveira, Chia-Yi Yeh +6

Security against eavesdropping is one of the key concerns in the design of any communication system. Many common considerations of the security of a wireless communication channel…

cs.IT2022

Wideband Time Frequency Coding

Kathleen Yang, Salman Salamatian, Rafael G. L . D'Oliveira +1

In the wideband regime, the performance of many of the popular modulation schemes such as code division multiple access and orthogonal frequency division multiplexing falls quickly…

cs.DS2022★ 1 cited

Heterogeneous Differential Privacy via Graphs

Sahel Torkamani, Javad B. Ebrahimi, Parastoo Sadeghi +2

We generalize a previous framework for designing utility-optimal differentially private (DP) mechanisms via graphs, where datasets are vertices in the graph and edges represent dat…

cs.IT2022

AES as Error Correction: Cryptosystems for Reliable Communication

Alejandro Cohen, Rafael G. L. D'Oliveira, Ken R. Duffy +2

In this paper, we show that the Advanced Encryption Standard (AES) cryptosystem can be used as an error-correcting code to obtain reliability over noisy communication and data syst…

cs.IT2022

Partial Encryption after Encoding for Security and Reliability in Data Systems

Alejandro Cohen, Rafael G. L. D'Oliveira, Ken R. Duffy +1

We consider the problem of secure and reliable communication over a noisy multipath network. Previous work considering a noiseless version of our problem proposed a hybrid universa…

cs.CR2022

Rainbow Differential Privacy

Ziqi Zhou, Onur Günlü, Rafael G. L. D'Oliveira +3

We extend a previous framework for designing differentially private (DP) mechanisms via randomized graph colorings that was restricted to binary functions, corresponding to colorin…

cs.LG2022★ 2 cited

Syfer: Neural Obfuscation for Private Data Release

Adam Yala, Victor Quach, Homa Esfahanizadeh +5

Balancing privacy and predictive utility remains a central challenge for machine learning in healthcare. In this paper, we develop Syfer, a neural obfuscation method to protect aga…

cs.IT2021

Post-Quantum Security for Ultra-Reliable Low-Latency Heterogeneous Networks

Rafael G. L. D'Oliveira, Alejandro Cohen, John Robinson +2

We consider the problem of post-quantum secure and ultra-reliable communication through a heterogeneous network consisting of multiple connections. Three performance metrics are co…

cs.IT2021

Field Trace Polynomial Codes for Secure Distributed Matrix Multiplication

Roberto Assis Machado, Rafael G. L. D'Oliveira, Salim El Rouayheb +1

We consider the problem of communication efficient secure distributed matrix multiplication. The previous literature has focused on reducing the number of servers as a proxy for mi…

cs.IT2021

Degree Tables for Secure Distributed Matrix Multiplication

Rafael G. L. D'Oliveira, Salim El Rouayheb, Daniel Heinlein +1

We consider the problem of secure distributed matrix multiplication (SDMM) in which a user wishes to compute the product of two matrices with the assistance of honest but curious s…