cryptography, information security, digital trust, digital signatures, public-key infrastructure, electronic identity, electronic documents, post-quantum cryptography, finite fields, artificial intelligence security
My research has produced software, technological platforms, digital infrastructures, prototypes, reference implementations, and other artifacts. This page preserves both current work and the technological history behind it.
The registry distinguishes research projects from the technological artifacts they produce. A project may generate several artifacts, while an artifact may connect multiple projects, publications, students, and institutions.
Artificial-intelligence platform for the Brazilian civil registration ecosystem, designed to support specialized knowledge, services, and intelligent applications.
Research and development platform for advanced digital signatures, with emphasis on signing mechanisms based on single-use signing certificates.
Artificial-intelligence service for the Latin American and Caribbean civil registration community represented by CLARCIEV.
Public-key infrastructure for the Brazilian civil registration ecosystem, supporting digital certificates and digital-signature services.
Digital identity platform for the Brazilian civil registration ecosystem, supporting identity and authentication mechanisms and related research on modern identity protocols.
Artificial-intelligence component for automated classification and organization of data in the civil registration ecosystem.
Artificial-intelligence component for extracting, interpreting, and structuring information from civil registration and other electronic documents.
Proof of concept for signing confidential electronic documents, combining browser-side cryptographic operations with single-use signing certificates.
Federated electronic-record infrastructure for trustworthy, interoperable access to digital records and certificates in the civil registration ecosystem.
Software is not treated here merely as downloadable code. It is part of the research record: implementations can embody cryptographic protocols, standards, architectural decisions, experiments, and technology transfer.
Software for operating certification authorities at different levels of a public key infrastructure.
Certification-authority software for issuing certificates to end users.
Certificate-management software for intermediate certification authorities.
Certificate-management software for creating and operating root certification authorities.
Software and technological products for secure cryptographic-key lifecycle management.
Software recorded in Lattes for managing certification-authority private keys using a cryptographic device.
Cryptographic hardware for controlling the lifecycle of cryptographic keys.
Cryptographic security module for secure storage of private keys.
Embedded software for managing the lifecycle of private keys in cryptographic devices.
Reference software and machine-readable policy artifacts supporting the Brazilian Digital Signature Standard.
Reference implementation of the Brazilian Digital Signature Standard supporting XAdES and CAdES signatures.
Minimal reference implementation illustrating an electronic-document signer compliant with the Brazilian Digital Signature Standard.
Machine-readable rules defining how electronic documents should be signed and how signatures should be validated under the Brazilian Digital Signature Standard.
Web signing software for producing electronic-document signatures aligned with the Brazilian Digital Signature Standard.
Technological artifacts supporting identity, certification, electronic records, and intelligent services for the Brazilian civil registration ecosystem.
Artificial-intelligence platform for the Brazilian civil registration ecosystem, designed to support specialized knowledge, services, and intelligent applications.
Public-key infrastructure for the Brazilian civil registration ecosystem, supporting digital certificates and digital-signature services.
Digital identity platform for the Brazilian civil registration ecosystem, supporting identity and authentication mechanisms and related research on modern identity protocols.
Artificial-intelligence component for automated classification and organization of data in the civil registration ecosystem.
Artificial-intelligence component for extracting, interpreting, and structuring information from civil registration and other electronic documents.
Federated electronic-record infrastructure for trustworthy, interoperable access to digital records and certificates in the civil registration ecosystem.
34 historical technological artifacts
Prototype for issuing SSL/TLS digital certificates using post-quantum cryptographic algorithms.
Proof-of-concept prototype for electronic identity management.
System for implementing certification authorities in the Brazilian research and education PKI.
Reference implementation of the Brazilian Digital Signature Standard supporting XAdES and CAdES signatures.
Certification-authority software for issuing certificates to end users.
Minimal reference implementation illustrating an electronic-document signer compliant with the Brazilian Digital Signature Standard.
User-facing PKI module for generating cryptographic keys, submitting certificate requests, and installing issued certificates.
Machine-readable rules defining how electronic documents should be signed and how signatures should be validated under the Brazilian Digital Signature Standard.
Software recorded in Lattes for managing certification-authority private keys using a cryptographic device.
Web signing software for producing electronic-document signatures aligned with the Brazilian Digital Signature Standard.
Software for issuing digital certificates for electronic mail.
Certificate-management software for intermediate certification authorities.
Certificate-management software for creating and operating root certification authorities.
Cryptographic hardware for controlling the lifecycle of cryptographic keys.
System for deploying certification authorities and registration authorities.
Cryptographic security module for secure storage of private keys.
Embedded software for managing the lifecycle of private keys in cryptographic devices.
Framework and technological prototype for secure electronic voting over the Internet.
Web-based notarial/registry prototype using digital signatures for electronic documents.
Software for digitally signing electronic documents.
Software for protocoling and dating electronic documents.
Software for analysis of pulmonary sounds.
Software intended to support hospital infection control.
These active research areas are expected to produce software, datasets, prototypes, or other research artifacts, but no distinct canonical technological object has yet been identified.
personal-aiopen-insurancesecdocfinite-field-arithmeticpost-quantum-cryptographic-algorithmsDatasets, experimental results, benchmarks, and reproducibility packages will be incorporated as they are curated. When appropriate, preserved research objects will be linked to persistent repositories and identifiers.
The long-term preservation strategy separates three layers:
This structure is intended to preserve relationships such as:
project → software → release → dataset → publication → student → talk