David W. H. A. da SilvaSymetrix Corporation · Cybersecurity and Data Science
David W. H. A. da Silva
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Citations since 2017
7 Research Items
Computer Scientist. I received a Ph.D. and an MSc. degrees in Computer Science at the University of Colorado at Colorado Springs (UCCS). I work as a Senior Computer Scientist at Symetrix Corporation on R&D focused on cryptography and data science. I investigate new ways of protecting, representing, processing, transmitting, and storing data.
January 2020 - present
- Senior Researcher
- Design, analysis, and implementation of cryptographic protocols, new methods for data representation, compression, and error-free computation.
December 2017 - December 2019
- Research Assistant
- R&D focused on new encryption primitives, homomorphic encryption, post-quantum cryptography, universal, recursive and lossless data compression, and new technologies. Active development of proof of concepts, demonstrations, and production of patent documents, technical, and technology transfer documents.
January 2016 - December 2017
- Master's Student
- R&D related to Enhanced Data-Centric Homomorphic Encryption. Developed applications for demonstrating and/or evaluating new technologies.
In this work, we aim to address the challenge of expanding Blockchain Technologies (BT) by implementing a somewhat homomorphic encryption scheme that not only enables computation on encrypted data but also yields a key update protocol with which one can selectively reveal consolidated data from a blockchain application. Our constructions are meant...
We propose general-purpose methods for data representation and data concealment via multivector decompositions and a small subset of functions in the three dimensional Clifford geometric algebra. We demonstrate mechanisms that can be explored for purposes from plain data manipulation to homomorphic data processing with multivectors. The wide variet...
Data encoding is widely used for a variety of reasons. Encoding schemes in general serve to convert one form of data to another in order to enhance the efficiency of data storage, transmission, computation and privacy, to name just a few. When it comes to privacy, data may be encoded to hide its meaning from direct access or encrypted to attain a c...