Public Key Infrastructure, 4th European PKI Workshop: Theory and Practice, EuroPKI 2007, Palma de Mallorca, Spain, June 28-30, 2007, Proceedings, 2007
Key lifecycle management and open protocols for PKI hardware security modules.
Publicaciones
Palabras clave
cryptography, information security, digital trust, digital signatures, public-key infrastructure, electronic identity, electronic documents, post-quantum cryptography, finite fields, artificial intelligence security
Mi registro de publicaciones abarca criptografía, infraestructura de clave pública, firmas digitales, documentos electrónicos, identidad digital, criptografía poscuántica e investigaciones anteriores en computación, redes y análisis de señales.
La bibliografía se organiza en torno a trabajos académicos canónicos. Un artículo de conferencia, una versión de revista, un preprint o un ePrint perteneciente a la misma contribución académica se consolida como un único trabajo, mientras que las manifestaciones bibliográficas individuales permanecen accesibles.
Publicaciones Seleccionadas
Una selección curada de publicaciones que marcan etapas significativas de mi trayectoria de investigación.
IDtrust 2008, Proceedings of the 7th Symposium on Identity and Trust on the Internet, March 4-6, 2008, Gaithersburg, Maryland, USA, 2008
Auditability, backup, and operational assurance for hardware security modules.
Public Key Infrastructure, 5th European PKI Workshop: Theory and Practice, EuroPKI 2008, Trondheim, Norway, June 16-17, 2008, Proceedings, 2008
Efficient certificate design for electronic document signature validation.
XII SBSeg 2012, 2012
Simplifying PKI mechanisms for the long-term validation of digital signatures.
Artículo de conferencia · preferida
Public Key Infrastructures, Services and Applications - 9th European Workshop, EuroPKI 2012, Pisa, Italy, September 13-14, 2012, Revised Selected Papers, 2012
A lightweight notary-based PKI model for long-term document signatures.
Towards Trustworthy Elections, New Directions in Electronic Voting, 2010
Verifiable electronic voting using the Farnel approach.
Public Key Infrastructures, Services and Applications - 10th European Workshop, EuroPKI 2013, Egham, UK, September 12-13, 2013, Revised Selected Papers, 2013
A user-centric approach to digital signatures and electronic documents.
2018 IEEE Symposium on Computers and Communications, ISCC 2018, Natal, Brazil, June 25-28, 2018, 2018
Optimization of Winternitz hash-based signatures and a bridge to post-quantum research.
Cryptology and Network Security - 21st International Conference, CANS 2022, Dubai, United Arab Emirates, November 13-16, 2022, Proceedings, 2022
Post-quantum adaptation of widely deployed electronic identity protocols.
Explorar por Área de Investigación
Confianza Digital
Documentos Electrónicos (34)
Inteligência Artificial no Registro Civil do Brasil
Editora Método, 2025
Libro · preferida
Leveraging Self-Sovereign Identity, Blockchain, and Zero-Knowledge Proof to Build a Privacy-Preserving Vaccination Pass
CoRR, 2022
Simplifying Electronic Document Digital Signatures
CoRR, 2022
Touchless Authentication for Health Professionals: Analyzing the Risks and Proposing Alternatives to Dirty Interfaces
35th IEEE International Symposium on Computer-Based Medical Systems, CBMS 2022, Shenzen, China, July 21-23, 2022, 2022
Locating modifications in signed data for partial data integrity
Inf. Process. Lett., 2015
A Privacy-Enhanced User-Centric Identity and Access Management Based on Notary
The Eighth International Conference on Systems and Networks Communications, 2013
Artículo de conferencia · preferida
Digital authentication of medical records: have we found a solution?
Revista da Associação Médica Brasileira, 2013
XII SBSeg 2012, 2012
Artículo de conferencia · preferida
Public Key Infrastructures, Services and Applications - 9th European Workshop, EuroPKI 2012, Pisa, Italy, September 13-14, 2012, Revised Selected Papers, 2012
Autenticação digital de documentos médicos: encontramos a solução?
RB. Radiologia Brasileira (Impresso), 2011
Carimbos do Tempo Autenticados para a Preservação por Longo Prazo de Assinaturas Digitais
XI SBSEG, 2011
Artículo de conferencia · preferida
Electronic Documents with Signature Constraints
I WGID, 2011
Artículo de conferencia · preferida
Using Notary Based Public Key Infrastructure in Shibboleth
I WGID, 2011
Artículo de conferencia · preferida
An Infrastructure for Long-Term Archiving of Authenticated and Sensitive Electronic Documents
Public Key Infrastructures, Services and Applications - 7th European Workshop, EuroPKI 2010, Athens, Greece, September 23-24, 2010. Revised Selected Papers, 2010
Infra-estrutura de Chaves Públicas Otimizada: Uma ICP de Suporte a Assinaturas Eficientes para Documentos Eletrônicos
IX Simpósio Brasileiro em Segurança da Informação e de Sistemas Computacionais, 2009
Artículo de conferencia · preferida
Propostas para apoiar a preservação documental de longo prazo na ICP-Brasil
CIBSI 2009 - V Congreso Iberoamericano de Seguridad Informática, 2009
Artículo de conferencia · preferida
Public Key Infrastructure, 5th European PKI Workshop: Theory and Practice, EuroPKI 2008, Trondheim, Norway, June 16-17, 2008, Proceedings, 2008
Central Notarial de Serviços Eletrônicos Compartilhados
Yendis, 2007
Libro · preferida
Execução Segura de Assinaturas Confiáveis em Documentos Eletrônicos
SBRC 2004, 2004
Artículo de conferencia · preferida
Módulo Cifrador de Documentos Eletrônicos
WSeg 2004 - IV Workshop em Segurança de Sistemas Computacionais, 2004
Artículo de conferencia · preferida
Uma infra-estrutura para o sigilo temporal de documentos eletrônicos
Scientia (UNISINOS), 2004
Artículo de revista · preferida
Assinatura Confiável de Documentos Eletrônicos
WSeg-2003, 2003
Artículo de conferencia · preferida
Confiança na Tempestividade dos Documentos Eletrônicos: Auditoria da Protocolação Digital
Anais Eletrônicos do SSI'2003, 2003
Artículo de conferencia · preferida
Protocolação Digital de Documentos Eletrônicos
I Fórum sobre Segurança, Privacidade e Certificação Digital, 2003
Artículo de conferencia · preferida
Reliable Clock Synchronization for Eletronic Documents
3rd Latin American Network Operations and Management Symposium, LANOMS 2003, Iguassu Falls, Brazil, September 4-6, 2003. Proceedings, 2003
Sincronização Segura de Relógio para Documentos Eletrônicos
SBRC 2003, 2003
Sistema Seguro para Assinatura de Documentos Eletrônicos
Anais do IADIS WWW/internet 2003, 2003
Artículo de conferencia · preferida
A New Method for Digital Time-Stamping of Electronic Documents
14th Anual FIRST Conference on Computer Security Incident Handling & Response 2002, 2002
Assinatura Digital de Documentos Eletrônicos através da Impressão Digital
XII Seminário Regional de Informática, 2002
Artículo de conferencia · preferida
IARSDE: Infra-estrutura de Armazenamento e Recuperação Segura de Documentos Eletrônicos
The International Symposium on Document Technologies, 2002
Artículo de conferencia · preferida
Uma Proposta Para Garantia da Validade do Documento Eletronico por Tempo Indeterminado
SSI´2002 - IV Simposio Seguranca em Informatica, 2002
Aspectos Tecnológicos para a Validade Jurídica da Cópia Impressa&\#10;de um Documento Eletrônico
SEMINC 2001, 2001
Artículo de conferencia · preferida
Cartório Virtual: uma experiência na emissão de certidão de nascimento.
Revista do Curso de Direito das Faculdades Jorge Amado, 2001
Artículo de revista · preferida
Um Novo Método para Datação de Documentos Eletrônicos
SEMINC 2001, 2001
Artículo de conferencia · preferida
Firmas Digitales (20)
Anamorphic Construction For The Winternitz OTS Scheme Family
IACR Cryptol. ePrint Arch., 2026
Redefining Digital Web Signature Secrecy: A Client-Side Model for Enhanced Security and Compliance
J. Braz. Comput. Soc., 2026
Monitoring Key Pair Usage through Distributed Ledgers and One-Time Signatures
Inf., 2023
Simplifying Electronic Document Digital Signatures
CoRR, 2022
Improved constant-sum encodings for hash-based signatures
J. Cryptogr. Eng., 2021
Post-quantum signature with preimage chameleon hashing
XX Simpósio Brasileiro em Segurança da Informação e de Sistemas Computacionais, 2020
Artículo de conferencia · preferida
2018 IEEE Symposium on Computers and Communications, ISCC 2018, Natal, Brazil, June 25-28, 2018, 2018
Locating modifications in signed data for partial data integrity
Inf. Process. Lett., 2015
Public Key Infrastructures, Services and Applications - 10th European Workshop, EuroPKI 2013, Egham, UK, September 12-13, 2013, Revised Selected Papers, 2013
XII SBSeg 2012, 2012
Artículo de conferencia · preferida
Public Key Infrastructures, Services and Applications - 9th European Workshop, EuroPKI 2012, Pisa, Italy, September 13-14, 2012, Revised Selected Papers, 2012
Carimbos do Tempo Autenticados para a Preservação por Longo Prazo de Assinaturas Digitais
XI SBSEG, 2011
Artículo de conferencia · preferida
Electronic Documents with Signature Constraints
I WGID, 2011
Artículo de conferencia · preferida
Infra-estrutura de Chaves Públicas Otimizada: Uma ICP de Suporte a Assinaturas Eficientes para Documentos Eletrônicos
IX Simpósio Brasileiro em Segurança da Informação e de Sistemas Computacionais, 2009
Artículo de conferencia · preferida
Public Key Infrastructure, 5th European PKI Workshop: Theory and Practice, EuroPKI 2008, Trondheim, Norway, June 16-17, 2008, Proceedings, 2008
Certificados Otimizados para a validação eficiente da Assinatura Digital
VII Certificados Otimizados para a validação eficiente da Assinatura Digital, 2007
Artículo de conferencia · preferida
Execução Segura de Assinaturas Confiáveis em Documentos Eletrônicos
SBRC 2004, 2004
Artículo de conferencia · preferida
Assinatura Confiável de Documentos Eletrônicos
WSeg-2003, 2003
Artículo de conferencia · preferida
Sistema Seguro para Assinatura de Documentos Eletrônicos
Anais do IADIS WWW/internet 2003, 2003
Artículo de conferencia · preferida
Assinatura Digital de Documentos Eletrônicos através da Impressão Digital
XII Seminário Regional de Informática, 2002
Artículo de conferencia · preferida
Identidad Digital (20)
From Self-Sovereign Identity to Fiduciary Identity: A Journey Towards Greater User Privacy and Usability
Proceedings of the 39th ACM/SIGAPP Symposium on Applied Computing, SAC 2024, Avila, Spain, April 8-12, 2024, 2024
Seamless Transition to Post-Quantum TLS 1.3: A Hybrid Approach Using Identity-Based Encryption
SENSORS, 2024
The Role-Artifact-Function Framework for Understanding Digital Identity Models
Conceptual Modeling - 43rd International Conference, ER 2024, Pittsburgh, PA, USA, October 28-31, 2024, Proceedings, 2024
Leveraging Self-Sovereign Identity, Blockchain, and Zero-Knowledge Proof to Build a Privacy-Preserving Vaccination Pass
CoRR, 2022
Cryptology and Network Security - 21st International Conference, CANS 2022, Dubai, United Arab Emirates, November 13-16, 2022, Proceedings, 2022
Self-Sovereign Identity: A Systematic Review, Mapping and Taxonomy
Sensors, 2022
Touchless Authentication for Health Professionals: Analyzing the Risks and Proposing Alternatives to Dirty Interfaces
35th IEEE International Symposium on Computer-Based Medical Systems, CBMS 2022, Shenzen, China, July 21-23, 2022, 2022
Matching Metadata on Blockchain for Self-Sovereign Identity
Business Process Management Workshops - BPM 2021 International Workshops, Rome, Italy, September 6-10, 2021, Revised Selected Papers, 2021
Self-Sovereign Identity: A Systematic Map and Review
CoRR, 2021
Certi¿cado Digital Acadêmico na Nuvem
Anais do IX Workshop de Gestão de Identidades Digitais (WGID 2019), 2019
Privacy-aware web authentication protocol with recovery and revocation
XVII Simpo&\#769;sio Brasileiro de Seguranc&\#807;a da Informac&\#807;a&\#771;o e de Sistemas Computacionais - SBSEG 2017, 2017
Artículo de conferencia · preferida
A Privacy-Enhanced User-Centric Identity and Access Management Based on Notary
The Eighth International Conference on Systems and Networks Communications, 2013
Artículo de conferencia · preferida
An Attribute-Based Public Key Infrastructure
International Journal of Computer Science and Information Security, 2013
Digital authentication of medical records: have we found a solution?
Revista da Associação Médica Brasileira, 2013
Multi-Factor Authentication in Telemedicine Systems
eTELEMED 2013 : The Fifth International Conference on eHealth, Telemedicine, and Social Medicine, 2013
Artículo de conferencia · preferida
Multi-factor Authentication in Key Management Systems
12th IEEE International Conference on Trust, Security and Privacy in Computing and Communications, TrustCom 2013 / 11th IEEE International Symposium on Parallel and Distributed Processing with Applications, ISPA-13 / 12th IEEE International Conference on Ubiquitous Computing and Communications, IUCC-2013, Melbourne, Australia, July 16-18, 2013, 2013
Towards a Formal Verification of a Multi-factor Authentication Protocol Using Automated Theorem Provers
11th IEEE International Conference on Trust, Security and Privacy in Computing and Communications, TrustCom 2012, Liverpool, United Kingdom, June 25-27, 2012, 2012
Autenticação digital de documentos médicos: encontramos a solução?
RB. Radiologia Brasileira (Impresso), 2011
Carimbos do Tempo Autenticados para a Preservação por Longo Prazo de Assinaturas Digitais
XI SBSEG, 2011
Artículo de conferencia · preferida
IDtrust 2008, Proceedings of the 7th Symposium on Identity and Trust on the Internet, March 4-6, 2008, Gaithersburg, Maryland, USA, 2008
Infraestructura de Clave Pública (31)
Automated Issuance of Post-Quantum Certificates: A New Challenge
Applied Cryptography and Network Security - 22nd International Conference, ACNS 2024, Abu Dhabi, United Arab Emirates, March 5-8, 2024, Proceedings, Part II, 2024
A Privacy-Enhanced User-Centric Identity and Access Management Based on Notary
The Eighth International Conference on Systems and Networks Communications, 2013
Artículo de conferencia · preferida
Public Key Infrastructures, Services and Applications - 10th European Workshop, EuroPKI 2013, Egham, UK, September 12-13, 2013, Revised Selected Papers, 2013
An Attribute-Based Public Key Infrastructure
International Journal of Computer Science and Information Security, 2013
Implementation of Trust Metrics in X.509 Public Key Infrastructure
The Seventh International Conference on Emerging Security Information, Systems and Technologies, 2013
Multi-factor Authentication in Key Management Systems
12th IEEE International Conference on Trust, Security and Privacy in Computing and Communications, TrustCom 2013 / 11th IEEE International Symposium on Parallel and Distributed Processing with Applications, ISPA-13 / 12th IEEE International Conference on Ubiquitous Computing and Communications, IUCC-2013, Melbourne, Australia, July 16-18, 2013, 2013
Sistema Gerenciador de Certificados Digitais: Um modelo para governo eletrônico
IX Simpósio Brasileiro de Sistemas de Informação, 2013
Artículo de conferencia · preferida
XII SBSeg 2012, 2012
Artículo de conferencia · preferida
Public Key Infrastructures, Services and Applications - 9th European Workshop, EuroPKI 2012, Pisa, Italy, September 13-14, 2012, Revised Selected Papers, 2012
Análise e implementação de um protocolo de gerenciamento de certificados
WTICG 2011, 2011
Artículo de conferencia · preferida
Using Notary Based Public Key Infrastructure in Shibboleth
I WGID, 2011
Artículo de conferencia · preferida
An Infrastructure for Long-Term Archiving of Authenticated and Sensitive Electronic Documents
Public Key Infrastructures, Services and Applications - 7th European Workshop, EuroPKI 2010, Athens, Greece, September 23-24, 2010. Revised Selected Papers, 2010
Uma ICP baseada em certificados digitais autoassinados
X Simpósio Brasileiro em Segurança da Informação e de Sistemas Computacionais, 2010
Ceremonies Design for PKI's Hardware Security Modules
SBSeg 2009, 2009
Artículo de conferencia · preferida
Ceremonies Formal Analysis in PKI's Context
Proceedings of the 12th IEEE International Conference on Computational Science and Engineering, CSE 2009, Vancouver, BC, Canada, August 29-31, 2009, 2009
Infra-estrutura de Chaves Públicas Otimizada: Uma ICP de Suporte a Assinaturas Eficientes para Documentos Eletrônicos
IX Simpósio Brasileiro em Segurança da Informação e de Sistemas Computacionais, 2009
Artículo de conferencia · preferida
Propostas para apoiar a preservação documental de longo prazo na ICP-Brasil
CIBSI 2009 - V Congreso Iberoamericano de Seguridad Informática, 2009
Artículo de conferencia · preferida
Good practices for Long-Term Key Management in a Public Key Infrastructure
CSEWORKSHOPS '08: Proceedings of the 2008 11th IEEE International Conference on Computational Science and Engineering - Workshops, 2008
Public Key Infrastructure, 5th European PKI Workshop: Theory and Practice, EuroPKI 2008, Trondheim, Norway, June 16-17, 2008, Proceedings, 2008
Self-Adaptable and Intrusion Tolerant Certificate Authority for Mobile Ad Hoc Networks
22nd International Conference on Advanced Information Networking and Applications, AINA 2008, GinoWan, Okinawa, Japan, March 25-28, 2008, 2008
Autoridade Certificadora Dinâmica para Redes Ad Hoc Móveis
25o. Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos (SBRC), 2007
Artículo de conferencia · preferida
Central Notarial de Serviços Eletrônicos Compartilhados
Yendis, 2007
Libro · preferida
Certificados Otimizados para a validação eficiente da Assinatura Digital
VII Certificados Otimizados para a validação eficiente da Assinatura Digital, 2007
Artículo de conferencia · preferida
Public Key Infrastructure, 4th European PKI Workshop: Theory and Practice, EuroPKI 2007, Palma de Mallorca, Spain, June 28-30, 2007, Proceedings, 2007
Temporal Key Release Infrastructure
6th Annual PKI R&D Workshop, 2007
Artículo de conferencia · preferida
Tornando uma infra-estrutura de chaves publicas dinâmica
SSI 2006, 2006
Artículo de conferencia · preferida
Infra-estrutura de Chaves Públicas e Aplicações
XII Escola Regional de Informática da SBC, 2004
Capítulo de libro · preferida
Protocolação Digital de Documentos Eletrônicos
I Fórum sobre Segurança, Privacidade e Certificação Digital, 2003
Artículo de conferencia · preferida
Tecnologias para a Segurança da Informação: Infra-estrutura de Chaves Públicas
EIN/Ecoinfo 2002, 2002
Artículo de conferencia · preferida
Infra-estrutura de chaves públicas
3o. Simpósio de Segurança em Informação, 2001
Artículo de conferencia · preferida
Proteção de Software por Certificação Digital
SSI 2001, 2001
Artículo de conferencia · preferida
Direcciones Emergentes
Criptografía Poscuántica (15)
Anamorphic Construction For The Winternitz OTS Scheme Family
IACR Cryptol. ePrint Arch., 2026
From ElGamal to Lattice-Based: Enhancing Helios Voting with Quantum-Safe Cryptography
Applied Cryptography and Network Security - 23rd International Conference, ACNS 2025, Munich, Germany, June 23-26, 2025, Proceedings, Part III, 2025
A Concrete LIP-Based KEM With Simple Lattices
IEEE Access, 2024
Automated Issuance of Post-Quantum Certificates: A New Challenge
Applied Cryptography and Network Security - 22nd International Conference, ACNS 2024, Abu Dhabi, United Arab Emirates, March 5-8, 2024, Proceedings, Part II, 2024
Probabilistic root finding in code-based cryptography
J. Cryptogr. Eng., 2024
Seamless Transition to Post-Quantum TLS 1.3: A Hybrid Approach Using Identity-Based Encryption
SENSORS, 2024
Post-quantum Hybrid KEMTLS Performance in Simulated and Real Network Environments
Progress in Cryptology - LATINCRYPT 2023 - 8th International Conference on Cryptology and Information Security in Latin America, LATINCRYPT 2023, Quito, Ecuador, October 3-6, 2023, Proceedings, 2023
Post-quantum hybrid key exchange: a systematic mapping study
J. Cryptogr. Eng., 2023
Quantum Threats to the TLS 1.3 Protocol
SECURWARE 2023 - The Seventeenth International Conference on Emerging Security Information, Systems and Technologies, 2023
Cryptology and Network Security - 21st International Conference, CANS 2022, Dubai, United Arab Emirates, November 13-16, 2022, Proceedings, 2022
Timing Analysis of Algorithm Substitution Attacks in a Post-Quantum TLS Protocol
Anais do XXI Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais (SBSeg 2021), 2021
Towards constant-time probabilistic root finding for code-based cryptography
Anais do XXI Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais (SBSeg 2021), 2021
Post-quantum signature with preimage chameleon hashing
XX Simpósio Brasileiro em Segurança da Informação e de Sistemas Computacionais, 2020
Artículo de conferencia · preferida
Handling Vinegar Variables to Shorten Rainbow Key Pairs
Progress in Cryptology - AFRICACRYPT 2019 - 11th International Conference on Cryptology in Africa, Rabat, Morocco, July 9-11, 2019, Proceedings, 2019
2018 IEEE Symposium on Computers and Communications, ISCC 2018, Natal, Brazil, June 25-28, 2018, 2018
IA y Seguridad (5)
Automation and Risk: Transformers Models Reshape Sensitive Information Management
Information Systems Security - 21st International Conference, ICISS 2025, Indore, India, December 16-20, 2025, Proceedings, 2025
Inteligência Artificial no Registro Civil do Brasil
Editora Método, 2025
Libro · preferida
Limits and Surprises of Cross-Lingual BERT Under Data Scarcity: A Portuguese Case Study in Sensitive-Text Classification
Advances in Soft Computing - 24th Mexican International Conference on Artificial Intelligence, MICAI 2025, Guanajuato, Mexico, November 3, 2025, Proceedings, Part II, 2025
Rethinking GAN-BERT for Sensitive Text Classification: The Impact of Training Dynamics and Domain Alignment in Low-Data Scenarios
Advances in Soft Computing - 24th Mexican International Conference on Artificial Intelligence, MICAI 2025, Guanajuato, Mexico, November 3, 2025, Proceedings, Part II, 2025
A proposal for Efficient Neural Network Data Structuring
Ninth International Conference on Systems Engineering, 1993
Artículo de conferencia · preferida
Temas Históricos y Transversales
Ceremonias de Seguridad (5)
An adaptive threat model for security ceremonies
Int. J. Inf. Sec., 2015
An updated threat model for security ceremonies
Proceedings of the 28th Annual ACM Symposium on Applied Computing, SAC '13, Coimbra, Portugal, March 18-22, 2013, 2013
A Proposed Framework for Analysing Security Ceremonies
SECRYPT 2012 - Proceedings of the International Conference on Security and Cryptography, Rome, Italy, 24-27 July, 2012, SECRYPT is part of ICETE - The International Joint Conference on e-Business and Telecommunications, 2012
Artículo de conferencia · preferida
Ceremonies Design for PKI's Hardware Security Modules
SBSeg 2009, 2009
Artículo de conferencia · preferida
Ceremonies Formal Analysis in PKI's Context
Proceedings of the 12th IEEE International Conference on Computational Science and Engineering, CSE 2009, Vancouver, BC, Canada, August 29-31, 2009, 2009
Redes, Sistemas Distribuidos y Seguridad (9)
TLS 1.3 Handshake Analyzer
Anais Estendidos do XXII Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais (SBSeg Estendido 2022), 2022
\(\mu\)Mobile IPv6 in wireless sensor networks
Seventh International Conference on Sensing Technology, ICST 2013, Wellington, New Zealand, December 3-5, 2013, 2013
A coordination layer to handle real-time communication in Wi-Fi networks with uncontrolled traffic sources
IEEE 36th Conference on Local Computer Networks, LCN 2011, Bonn, Germany, October 4-7, 2011, 2011
Analytical Model to Evaluate the Performance of Mobile Agents in a Generic Network Topology
J. Netw. Syst. Manag., 2010
Assessment of the IEEE 802.11e EDCA Protocol Limitations when Dealing with Real-Time Communication
EURASIP J. Wirel. Commun. Netw., 2010
Distributed DBP: A (m, k)-firm based Distributed Approach for QoS Provision in IEEE 802.15.4 Networks
Proceedings of 12th IEEE International Conference on Emerging Technologies and Factory Automation, ETFA 2009, September 22-25, 2008, Palma de Mallorca, Spain, 2009
Client/Server and Mobile Agent Paradigms - An Analytical Model for Performance Evaluation
Colloque Francophone sur la Gestion de Réseuax et Service, 2003, Fortaleza (CE), 2003
Artículo de conferencia · preferida
Modelo Analítico para Avaliar Plataformas Cliente/Servidor e Agentes Móveis Aplicados à Gerência de Redes
SBRC 2002, 2002
Artículo de conferencia · preferida
Avaliação Analítica de Desempenho do Uso do Ipv6
I Workshop da Pós-Graduação em Ciência da Computação, 2000
Artículo de conferencia · preferida
Votación Electrónica (8)
From ElGamal to Lattice-Based: Enhancing Helios Voting with Quantum-Safe Cryptography
Applied Cryptography and Network Security - 23rd International Conference, ACNS 2025, Munich, Germany, June 23-26, 2025, Proceedings, Part III, 2025
The Open Paradigm: A Systematic Analysis of Evolutionary Frameworks and Cross-Sectoral Applications in Data-Driven Ecosystems
IOSR Journal of Business and Management, 2025
Proposal of an Electronic Auditing System Applied to the Brazilian Electronic Voting Machine
CoRR, 2024
An Attribute-Based Public Key Infrastructure
International Journal of Computer Science and Information Security, 2013
Towards Trustworthy Elections, New Directions in Electronic Voting, 2010
An Electronic Scheme for the Farnel Paper-Based Voting Protocol
4th International Conference on Applied Cryptography and Network Security (ACNS'06), 2006
Artículo de conferencia · preferida
Ostracon: Um Sistema de Votação Digital pela Internet
SBRC-2003, WSeg-2003, 2003
Artículo de conferencia · preferida
Farnel: Um protocolo Criptográficos para Votação Digital
WSeg 2002, 2002
Investigación Histórica
Análisis de Señales Biomédicas (8)
Use of Lyapunov Exponents for Pattern Recognition in Lung Sounds
Proceedings of VIII Workshop on Nonlinear Dynamics of Eletronic Systems, 2000
Artículo de conferencia · preferida
An\'alise n\~ao-linear no reconhecimento de padr\~oes sonoros : estudo de caso para sons pulmonares
1999
Análise de Sons Pulmonares via Dinâmica Caótica
I Jornada de Pneumologia do Mercosul, 1999
Artículo de conferencia · preferida
Identifying Lung Sound Patterns through Lyapunov Exponent Estimations
Congresso Nacional de Matematica Aplicada e Computacional, 1999
Artículo de conferencia · preferida
Lung Sound Analysis with Time-Dependent Fractal Dimensions
Chaos, Solitons and Fractals, 1999
Artículo de revista · preferida
Negative Lyapunov Exponent Estimations in Non Chaotic Data Time Series
NDES99 - Nonlinear Dynamics of Electronic Systems, 1999
Artículo de conferencia · preferida
PulSA: A System to Support Lung Sound Analysis
The 23rf International Conference on Lung Sounds, 1999
Artículo de conferencia · preferida
Time-Dependent Fractal Dimension of Lung Sounds
International Conference on Lung Sounds, 1998
Artículo de conferencia · preferida
Computación Científica e Instrumentación (6)
A Computação Algébrica no Ensino
XIX Congresso Nacional de Matematica Aplicada e Computacional, 1996
Artículo de conferencia · preferida
Metodo da Iteraçao Dinâmica para a Determinaçãoo de Zeros de Funções
XVII Congresso Nacional de Matematica Aplicada e Computacional, 1994
Artículo de conferencia · preferida
Poligraph as a Virtual Instrumentation
Physics in Medicine & Biology, 1994
Artículo de conferencia · preferida
Regula - Um CAD para o projeto de Fontes de Alimentação com Reguladores Integrados
X Congresso Chileno de Engenharia Elétrica, 1993
Artículo de conferencia · preferida
Sistema Optoeletrônico de Medição de Posição por Triangulação
X Congresso Chileno de Engenharia Elétrica, 1993
Artículo de conferencia · preferida
Prototipação de Sistemas a Partir da Definição da Interface Homem Máquina
V Reunião de Trabalho do Projeto ESTRA - Estação de Trabalho Avançada, 1989
Artículo de conferencia · preferida
Inteligencia Computacional (3)
Atomic Decomposition with Genetic Algorithms
1997 International Symposium on Nonlinear Theory and its Applications, 1997
Artículo de conferencia · preferida
Estructuración Eficiente de los Datos de las Redes de Neuronas Artificiales
X Congresso Chileno de Engenharia Elétrica, 1993
Artículo de conferencia · preferida
Redes Neurais Artificiais para Representação de Conhecimento Médico em Anestesiologia
X Congresso Chileno de Engenharia Elétrica, 1993
Artículo de conferencia · preferida
Fundamentos de Investigación
Aritmética de Campos Finitos (6)
Probabilistic root finding in code-based cryptography
J. Cryptogr. Eng., 2024
Towards constant-time probabilistic root finding for code-based cryptography
Anais do XXI Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais (SBSeg 2021), 2021
A new class of irreducible pentanomials for polynomial-based multipliers in binary fields
J. Cryptogr. Eng., 2019
Don't Forget Your Roots: Constant-Time Root Finding over \textbackslashmathbb F\_2\^m F 2 m
Progress in Cryptology - LATINCRYPT 2019 - 6th International Conference on Cryptology and Information Security in Latin America, Santiago de Chile, Chile, October 2-4, 2019, Proceedings, 2019
Fast modular reduction and squaring in \emphGF(2\(^\mbox\emphm\))
Inf. Process. Lett., 2018
Formulas for pth root computations in finite fields of characteristic p
Electronics Letters (Online), 2016
Criptografía (59)
Anamorphic Construction For The Winternitz OTS Scheme Family
IACR Cryptol. ePrint Arch., 2026
Cryptographic Applications of Combinatorial Ranking for Integer Compositions
Combinatorial Algorithms - 37th International Workshop, IWOCA 2026, Clermont-Ferrand, France, June 8-11, 2026, Proceedings, 2026
Redefining Digital Web Signature Secrecy: A Client-Side Model for Enhanced Security and Compliance
J. Braz. Comput. Soc., 2026
From ElGamal to Lattice-Based: Enhancing Helios Voting with Quantum-Safe Cryptography
Applied Cryptography and Network Security - 23rd International Conference, ACNS 2025, Munich, Germany, June 23-26, 2025, Proceedings, Part III, 2025
The Open Paradigm: A Systematic Analysis of Evolutionary Frameworks and Cross-Sectoral Applications in Data-Driven Ecosystems
IOSR Journal of Business and Management, 2025
A Concrete LIP-Based KEM With Simple Lattices
IEEE Access, 2024
Automated Issuance of Post-Quantum Certificates: A New Challenge
Applied Cryptography and Network Security - 22nd International Conference, ACNS 2024, Abu Dhabi, United Arab Emirates, March 5-8, 2024, Proceedings, Part II, 2024
Probabilistic root finding in code-based cryptography
J. Cryptogr. Eng., 2024
Proposal of an Electronic Auditing System Applied to the Brazilian Electronic Voting Machine
CoRR, 2024
Seamless Transition to Post-Quantum TLS 1.3: A Hybrid Approach Using Identity-Based Encryption
SENSORS, 2024
Monitoring Key Pair Usage through Distributed Ledgers and One-Time Signatures
Inf., 2023
Post-quantum Hybrid KEMTLS Performance in Simulated and Real Network Environments
Progress in Cryptology - LATINCRYPT 2023 - 8th International Conference on Cryptology and Information Security in Latin America, LATINCRYPT 2023, Quito, Ecuador, October 3-6, 2023, Proceedings, 2023
Post-quantum hybrid key exchange: a systematic mapping study
J. Cryptogr. Eng., 2023
Quantum Threats to the TLS 1.3 Protocol
SECURWARE 2023 - The Seventeenth International Conference on Emerging Security Information, Systems and Technologies, 2023
Leveraging Self-Sovereign Identity, Blockchain, and Zero-Knowledge Proof to Build a Privacy-Preserving Vaccination Pass
CoRR, 2022
Cryptology and Network Security - 21st International Conference, CANS 2022, Dubai, United Arab Emirates, November 13-16, 2022, Proceedings, 2022
Redacting Blockchain Without Exposing Chameleon Hash Collisions
Cryptology and Network Security - 21st International Conference, CANS 2022, Dubai, United Arab Emirates, November 13-16, 2022, Proceedings, 2022
Simplifying Electronic Document Digital Signatures
CoRR, 2022
TLS 1.3 Handshake Analyzer
Anais Estendidos do XXII Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais (SBSeg Estendido 2022), 2022
Improved constant-sum encodings for hash-based signatures
J. Cryptogr. Eng., 2021
Steganographic Analysis of Blockchains
Sensors, 2021
Timing Analysis of Algorithm Substitution Attacks in a Post-Quantum TLS Protocol
Anais do XXI Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais (SBSeg 2021), 2021
Towards constant-time probabilistic root finding for code-based cryptography
Anais do XXI Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais (SBSeg 2021), 2021
An Entropy Source based on the Bluetooth Received Signal Strength Indicator
Simpósio Brasileiro em Segurança da Informação e de Sistemas Computacionais, 2020
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Bitcoin Blockchain Steganographic Analysis
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Post-quantum signature with preimage chameleon hashing
XX Simpósio Brasileiro em Segurança da Informação e de Sistemas Computacionais, 2020
Artículo de conferencia · preferida
A new class of irreducible pentanomials for polynomial-based multipliers in binary fields
J. Cryptogr. Eng., 2019
Don't Forget Your Roots: Constant-Time Root Finding over \textbackslashmathbb F\_2\^m F 2 m
Progress in Cryptology - LATINCRYPT 2019 - 6th International Conference on Cryptology and Information Security in Latin America, Santiago de Chile, Chile, October 2-4, 2019, Proceedings, 2019
Handling Vinegar Variables to Shorten Rainbow Key Pairs
Progress in Cryptology - AFRICACRYPT 2019 - 11th International Conference on Cryptology in Africa, Rabat, Morocco, July 9-11, 2019, Proceedings, 2019
Fast modular reduction and squaring in \emphGF(2\(^\mbox\emphm\))
Inf. Process. Lett., 2018
Secret Sharing Schemes with Hidden Sets
2018 IEEE Symposium on Computers and Communications, ISCC 2018, Natal, Brazil, June 25-28, 2018, 2018
2018 IEEE Symposium on Computers and Communications, ISCC 2018, Natal, Brazil, June 25-28, 2018, 2018
Análise de Vulnerabilidade de Esquemas de Segredo Compartilhado Considerando um novo Modelo de Ameaça
XVII Simpo&\#769;sio Brasileiro de Seguranc&\#807;a da Informac&\#807;a&\#771;o e de Sistemas Computacionais - SBSeg 2017, 2017
Artículo de conferencia · preferida
Formulas for pth root computations in finite fields of characteristic p
Electronics Letters (Online), 2016
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Inf. Process. Lett., 2015
Public Key Infrastructures, Services and Applications - 10th European Workshop, EuroPKI 2013, Egham, UK, September 12-13, 2013, Revised Selected Papers, 2013
An Attribute-Based Public Key Infrastructure
International Journal of Computer Science and Information Security, 2013
A Proposed Framework for Analysing Security Ceremonies
SECRYPT 2012 - Proceedings of the International Conference on Security and Cryptography, Rome, Italy, 24-27 July, 2012, SECRYPT is part of ICETE - The International Joint Conference on e-Business and Telecommunications, 2012
Artículo de conferencia · preferida
XII SBSeg 2012, 2012
Artículo de conferencia · preferida
Public Key Infrastructures, Services and Applications - 9th European Workshop, EuroPKI 2012, Pisa, Italy, September 13-14, 2012, Revised Selected Papers, 2012
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11th IEEE International Conference on Trust, Security and Privacy in Computing and Communications, TrustCom 2012, Liverpool, United Kingdom, June 25-27, 2012, 2012
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XI SBSEG, 2011
Artículo de conferencia · preferida
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I WGID, 2011
Artículo de conferencia · preferida
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IX Simpósio Brasileiro em Segurança da Informação e de Sistemas Computacionais, 2009
Artículo de conferencia · preferida
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Certificados Otimizados para a validação eficiente da Assinatura Digital
VII Certificados Otimizados para a validação eficiente da Assinatura Digital, 2007
Artículo de conferencia · preferida
Public Key Infrastructure, 4th European PKI Workshop: Theory and Practice, EuroPKI 2007, Palma de Mallorca, Spain, June 28-30, 2007, Proceedings, 2007
An Electronic Scheme for the Farnel Paper-Based Voting Protocol
4th International Conference on Applied Cryptography and Network Security (ACNS'06), 2006
Artículo de conferencia · preferida
Denúncia Anônima Segura
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Artículo de conferencia · preferida
Assinatura Confiável de Documentos Eletrônicos
WSeg-2003, 2003
Artículo de conferencia · preferida
Ostracon: Um Sistema de Votação Digital pela Internet
SBRC-2003, WSeg-2003, 2003
Artículo de conferencia · preferida
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Sistema Seguro para Assinatura de Documentos Eletrônicos
Anais do IADIS WWW/internet 2003, 2003
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Assinatura Digital de Documentos Eletrônicos através da Impressão Digital
XII Seminário Regional de Informática, 2002
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Farnel: Um protocolo Criptográficos para Votação Digital
WSeg 2002, 2002
Um Protocolo Criptográfico para Comunicação Anônima Segura
WSeg 2002, 2002
Fundamentos de Criptografia
IX Escola de Informática da SBC-Sul, 2001
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Seguridad y Privacidad
Privacidad e Intercambio Seguro de Información (7)
Privacy information in a positive credit system
Int. J. Grid Util. Comput., 2017
Sharing Privacy Information in Credit Analysis Environment
Ninth International Conference on Complex, Intelligent, and Software Intensive Systems, CISIS 2015, Santa Catarina, Brazil, July 8-10, 2015, 2015
CloudSec - Um Middleware para Compartilhamento de Informações Sigilosas em Nuvens Computacionais
VIV Simpósio Brasileiro em Segurança da Informação e de Sistemas Computacionais, 2014
Artículo de conferencia · preferida
Efficient Data Integrity Checking for Untrusted Database Systems
The Sixth International Conference on Advances in Databases, Knowledge, and Data Applications, 2014
Artículo de conferencia · preferida
SSICC: Sharing Sensitive Information in a Cloud-of-Clouds
ICONS 2014, The Ninth International Conference on Systems, 2014
Artículo de conferencia · preferida
Denúncia Anônima Segura
Revista do IST, 2004
Artículo de revista · preferida
Um Protocolo Criptográfico para Comunicação Anônima Segura
WSeg 2002, 2002
Todas las Publicaciones
Cada trabajo académico canónico se presenta una sola vez. Los preprints, ePrints y otras manifestaciones se muestran como versiones del mismo trabajo.
2026
Anamorphic Construction For The Winternitz OTS Scheme Family
IACR Cryptol. ePrint Arch., 2026
Cryptographic Applications of Combinatorial Ranking for Integer Compositions
Combinatorial Algorithms - 37th International Workshop, IWOCA 2026, Clermont-Ferrand, France, June 8-11, 2026, Proceedings, 2026
Redefining Digital Web Signature Secrecy: A Client-Side Model for Enhanced Security and Compliance
J. Braz. Comput. Soc., 2026
2025
Automation and Risk: Transformers Models Reshape Sensitive Information Management
Information Systems Security - 21st International Conference, ICISS 2025, Indore, India, December 16-20, 2025, Proceedings, 2025
From ElGamal to Lattice-Based: Enhancing Helios Voting with Quantum-Safe Cryptography
Applied Cryptography and Network Security - 23rd International Conference, ACNS 2025, Munich, Germany, June 23-26, 2025, Proceedings, Part III, 2025
Inteligência Artificial no Registro Civil do Brasil
Editora Método, 2025
Libro · preferida
Limits and Surprises of Cross-Lingual BERT Under Data Scarcity: A Portuguese Case Study in Sensitive-Text Classification
Advances in Soft Computing - 24th Mexican International Conference on Artificial Intelligence, MICAI 2025, Guanajuato, Mexico, November 3, 2025, Proceedings, Part II, 2025
Rethinking GAN-BERT for Sensitive Text Classification: The Impact of Training Dynamics and Domain Alignment in Low-Data Scenarios
Advances in Soft Computing - 24th Mexican International Conference on Artificial Intelligence, MICAI 2025, Guanajuato, Mexico, November 3, 2025, Proceedings, Part II, 2025
The Open Paradigm: A Systematic Analysis of Evolutionary Frameworks and Cross-Sectoral Applications in Data-Driven Ecosystems
IOSR Journal of Business and Management, 2025
2024
A Concrete LIP-Based KEM With Simple Lattices
IEEE Access, 2024
Automated Issuance of Post-Quantum Certificates: A New Challenge
Applied Cryptography and Network Security - 22nd International Conference, ACNS 2024, Abu Dhabi, United Arab Emirates, March 5-8, 2024, Proceedings, Part II, 2024
From Self-Sovereign Identity to Fiduciary Identity: A Journey Towards Greater User Privacy and Usability
Proceedings of the 39th ACM/SIGAPP Symposium on Applied Computing, SAC 2024, Avila, Spain, April 8-12, 2024, 2024
Probabilistic root finding in code-based cryptography
J. Cryptogr. Eng., 2024
Proposal of an Electronic Auditing System Applied to the Brazilian Electronic Voting Machine
CoRR, 2024
Seamless Transition to Post-Quantum TLS 1.3: A Hybrid Approach Using Identity-Based Encryption
SENSORS, 2024
The Role-Artifact-Function Framework for Understanding Digital Identity Models
Conceptual Modeling - 43rd International Conference, ER 2024, Pittsburgh, PA, USA, October 28-31, 2024, Proceedings, 2024
2023
Monitoring Key Pair Usage through Distributed Ledgers and One-Time Signatures
Inf., 2023
Post-quantum Hybrid KEMTLS Performance in Simulated and Real Network Environments
Progress in Cryptology - LATINCRYPT 2023 - 8th International Conference on Cryptology and Information Security in Latin America, LATINCRYPT 2023, Quito, Ecuador, October 3-6, 2023, Proceedings, 2023
Post-quantum hybrid key exchange: a systematic mapping study
J. Cryptogr. Eng., 2023
Quantum Threats to the TLS 1.3 Protocol
SECURWARE 2023 - The Seventeenth International Conference on Emerging Security Information, Systems and Technologies, 2023
2022
Leveraging Self-Sovereign Identity, Blockchain, and Zero-Knowledge Proof to Build a Privacy-Preserving Vaccination Pass
CoRR, 2022
Cryptology and Network Security - 21st International Conference, CANS 2022, Dubai, United Arab Emirates, November 13-16, 2022, Proceedings, 2022
Redacting Blockchain Without Exposing Chameleon Hash Collisions
Cryptology and Network Security - 21st International Conference, CANS 2022, Dubai, United Arab Emirates, November 13-16, 2022, Proceedings, 2022
Self-Sovereign Identity: A Systematic Review, Mapping and Taxonomy
Sensors, 2022
Simplifying Electronic Document Digital Signatures
CoRR, 2022
TLS 1.3 Handshake Analyzer
Anais Estendidos do XXII Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais (SBSeg Estendido 2022), 2022
Touchless Authentication for Health Professionals: Analyzing the Risks and Proposing Alternatives to Dirty Interfaces
35th IEEE International Symposium on Computer-Based Medical Systems, CBMS 2022, Shenzen, China, July 21-23, 2022, 2022
2021
Improved constant-sum encodings for hash-based signatures
J. Cryptogr. Eng., 2021
Matching Metadata on Blockchain for Self-Sovereign Identity
Business Process Management Workshops - BPM 2021 International Workshops, Rome, Italy, September 6-10, 2021, Revised Selected Papers, 2021
Self-Sovereign Identity: A Systematic Map and Review
CoRR, 2021
Steganographic Analysis of Blockchains
Sensors, 2021
Timing Analysis of Algorithm Substitution Attacks in a Post-Quantum TLS Protocol
Anais do XXI Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais (SBSeg 2021), 2021
Towards constant-time probabilistic root finding for code-based cryptography
Anais do XXI Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais (SBSeg 2021), 2021
2020
An Entropy Source based on the Bluetooth Received Signal Strength Indicator
Simpósio Brasileiro em Segurança da Informação e de Sistemas Computacionais, 2020
Artículo de conferencia · preferida
Bitcoin Blockchain Steganographic Analysis
Applied Cryptography and Network Security Workshops - ACNS 2020 Satellite Workshops, AIBlock, AIHWS, AIoTS, Cloud S&P, SCI, SecMT, and SiMLA, Rome, Italy, October 19-22, 2020, Proceedings, 2020
Post-quantum signature with preimage chameleon hashing
XX Simpósio Brasileiro em Segurança da Informação e de Sistemas Computacionais, 2020
Artículo de conferencia · preferida
2019
A new class of irreducible pentanomials for polynomial-based multipliers in binary fields
J. Cryptogr. Eng., 2019
Certi¿cado Digital Acadêmico na Nuvem
Anais do IX Workshop de Gestão de Identidades Digitais (WGID 2019), 2019
Don't Forget Your Roots: Constant-Time Root Finding over \textbackslashmathbb F\_2\^m F 2 m
Progress in Cryptology - LATINCRYPT 2019 - 6th International Conference on Cryptology and Information Security in Latin America, Santiago de Chile, Chile, October 2-4, 2019, Proceedings, 2019
Handling Vinegar Variables to Shorten Rainbow Key Pairs
Progress in Cryptology - AFRICACRYPT 2019 - 11th International Conference on Cryptology in Africa, Rabat, Morocco, July 9-11, 2019, Proceedings, 2019
2018
Fast modular reduction and squaring in \emphGF(2\(^\mbox\emphm\))
Inf. Process. Lett., 2018
Secret Sharing Schemes with Hidden Sets
2018 IEEE Symposium on Computers and Communications, ISCC 2018, Natal, Brazil, June 25-28, 2018, 2018
2018 IEEE Symposium on Computers and Communications, ISCC 2018, Natal, Brazil, June 25-28, 2018, 2018
2017
Análise de Vulnerabilidade de Esquemas de Segredo Compartilhado Considerando um novo Modelo de Ameaça
XVII Simpo&\#769;sio Brasileiro de Seguranc&\#807;a da Informac&\#807;a&\#771;o e de Sistemas Computacionais - SBSeg 2017, 2017
Artículo de conferencia · preferida
Privacy information in a positive credit system
Int. J. Grid Util. Comput., 2017
Privacy-aware web authentication protocol with recovery and revocation
XVII Simpo&\#769;sio Brasileiro de Seguranc&\#807;a da Informac&\#807;a&\#771;o e de Sistemas Computacionais - SBSEG 2017, 2017
Artículo de conferencia · preferida
2016
Formulas for pth root computations in finite fields of characteristic p
Electronics Letters (Online), 2016
2015
An adaptive threat model for security ceremonies
Int. J. Inf. Sec., 2015
Locating modifications in signed data for partial data integrity
Inf. Process. Lett., 2015
Sharing Privacy Information in Credit Analysis Environment
Ninth International Conference on Complex, Intelligent, and Software Intensive Systems, CISIS 2015, Santa Catarina, Brazil, July 8-10, 2015, 2015
2014
CloudSec - Um Middleware para Compartilhamento de Informações Sigilosas em Nuvens Computacionais
VIV Simpósio Brasileiro em Segurança da Informação e de Sistemas Computacionais, 2014
Artículo de conferencia · preferida
Efficient Data Integrity Checking for Untrusted Database Systems
The Sixth International Conference on Advances in Databases, Knowledge, and Data Applications, 2014
Artículo de conferencia · preferida
SSICC: Sharing Sensitive Information in a Cloud-of-Clouds
ICONS 2014, The Ninth International Conference on Systems, 2014
Artículo de conferencia · preferida
2013
A Privacy-Enhanced User-Centric Identity and Access Management Based on Notary
The Eighth International Conference on Systems and Networks Communications, 2013
Artículo de conferencia · preferida
Public Key Infrastructures, Services and Applications - 10th European Workshop, EuroPKI 2013, Egham, UK, September 12-13, 2013, Revised Selected Papers, 2013
An Attribute-Based Public Key Infrastructure
International Journal of Computer Science and Information Security, 2013
An updated threat model for security ceremonies
Proceedings of the 28th Annual ACM Symposium on Applied Computing, SAC '13, Coimbra, Portugal, March 18-22, 2013, 2013
Digital authentication of medical records: have we found a solution?
Revista da Associação Médica Brasileira, 2013
Implementation of Trust Metrics in X.509 Public Key Infrastructure
The Seventh International Conference on Emerging Security Information, Systems and Technologies, 2013
Multi-Factor Authentication in Telemedicine Systems
eTELEMED 2013 : The Fifth International Conference on eHealth, Telemedicine, and Social Medicine, 2013
Artículo de conferencia · preferida
Multi-factor Authentication in Key Management Systems
12th IEEE International Conference on Trust, Security and Privacy in Computing and Communications, TrustCom 2013 / 11th IEEE International Symposium on Parallel and Distributed Processing with Applications, ISPA-13 / 12th IEEE International Conference on Ubiquitous Computing and Communications, IUCC-2013, Melbourne, Australia, July 16-18, 2013, 2013
Sistema Gerenciador de Certificados Digitais: Um modelo para governo eletrônico
IX Simpósio Brasileiro de Sistemas de Informação, 2013
Artículo de conferencia · preferida
\(\mu\)Mobile IPv6 in wireless sensor networks
Seventh International Conference on Sensing Technology, ICST 2013, Wellington, New Zealand, December 3-5, 2013, 2013
2012
A Proposed Framework for Analysing Security Ceremonies
SECRYPT 2012 - Proceedings of the International Conference on Security and Cryptography, Rome, Italy, 24-27 July, 2012, SECRYPT is part of ICETE - The International Joint Conference on e-Business and Telecommunications, 2012
Artículo de conferencia · preferida
XII SBSeg 2012, 2012
Artículo de conferencia · preferida
Public Key Infrastructures, Services and Applications - 9th European Workshop, EuroPKI 2012, Pisa, Italy, September 13-14, 2012, Revised Selected Papers, 2012
Towards a Formal Verification of a Multi-factor Authentication Protocol Using Automated Theorem Provers
11th IEEE International Conference on Trust, Security and Privacy in Computing and Communications, TrustCom 2012, Liverpool, United Kingdom, June 25-27, 2012, 2012
2011
A coordination layer to handle real-time communication in Wi-Fi networks with uncontrolled traffic sources
IEEE 36th Conference on Local Computer Networks, LCN 2011, Bonn, Germany, October 4-7, 2011, 2011
Análise e implementação de um protocolo de gerenciamento de certificados
WTICG 2011, 2011
Artículo de conferencia · preferida
Autenticação digital de documentos médicos: encontramos a solução?
RB. Radiologia Brasileira (Impresso), 2011
Carimbos do Tempo Autenticados para a Preservação por Longo Prazo de Assinaturas Digitais
XI SBSEG, 2011
Artículo de conferencia · preferida
Electronic Documents with Signature Constraints
I WGID, 2011
Artículo de conferencia · preferida
Using Notary Based Public Key Infrastructure in Shibboleth
I WGID, 2011
Artículo de conferencia · preferida
2010
Towards Trustworthy Elections, New Directions in Electronic Voting, 2010
An Infrastructure for Long-Term Archiving of Authenticated and Sensitive Electronic Documents
Public Key Infrastructures, Services and Applications - 7th European Workshop, EuroPKI 2010, Athens, Greece, September 23-24, 2010. Revised Selected Papers, 2010
Analytical Model to Evaluate the Performance of Mobile Agents in a Generic Network Topology
J. Netw. Syst. Manag., 2010
Assessment of the IEEE 802.11e EDCA Protocol Limitations when Dealing with Real-Time Communication
EURASIP J. Wirel. Commun. Netw., 2010
Uma ICP baseada em certificados digitais autoassinados
X Simpósio Brasileiro em Segurança da Informação e de Sistemas Computacionais, 2010
2009
Ceremonies Design for PKI's Hardware Security Modules
SBSeg 2009, 2009
Artículo de conferencia · preferida
Ceremonies Formal Analysis in PKI's Context
Proceedings of the 12th IEEE International Conference on Computational Science and Engineering, CSE 2009, Vancouver, BC, Canada, August 29-31, 2009, 2009
Distributed DBP: A (m, k)-firm based Distributed Approach for QoS Provision in IEEE 802.15.4 Networks
Proceedings of 12th IEEE International Conference on Emerging Technologies and Factory Automation, ETFA 2009, September 22-25, 2008, Palma de Mallorca, Spain, 2009
Infra-estrutura de Chaves Públicas Otimizada: Uma ICP de Suporte a Assinaturas Eficientes para Documentos Eletrônicos
IX Simpósio Brasileiro em Segurança da Informação e de Sistemas Computacionais, 2009
Artículo de conferencia · preferida
Propostas para apoiar a preservação documental de longo prazo na ICP-Brasil
CIBSI 2009 - V Congreso Iberoamericano de Seguridad Informática, 2009
Artículo de conferencia · preferida
2008
IDtrust 2008, Proceedings of the 7th Symposium on Identity and Trust on the Internet, March 4-6, 2008, Gaithersburg, Maryland, USA, 2008
Good practices for Long-Term Key Management in a Public Key Infrastructure
CSEWORKSHOPS '08: Proceedings of the 2008 11th IEEE International Conference on Computational Science and Engineering - Workshops, 2008
Public Key Infrastructure, 5th European PKI Workshop: Theory and Practice, EuroPKI 2008, Trondheim, Norway, June 16-17, 2008, Proceedings, 2008
Self-Adaptable and Intrusion Tolerant Certificate Authority for Mobile Ad Hoc Networks
22nd International Conference on Advanced Information Networking and Applications, AINA 2008, GinoWan, Okinawa, Japan, March 25-28, 2008, 2008
2007
Autoridade Certificadora Dinâmica para Redes Ad Hoc Móveis
25o. Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos (SBRC), 2007
Artículo de conferencia · preferida
Central Notarial de Serviços Eletrônicos Compartilhados
Yendis, 2007
Libro · preferida
Certificados Otimizados para a validação eficiente da Assinatura Digital
VII Certificados Otimizados para a validação eficiente da Assinatura Digital, 2007
Artículo de conferencia · preferida
Public Key Infrastructure, 4th European PKI Workshop: Theory and Practice, EuroPKI 2007, Palma de Mallorca, Spain, June 28-30, 2007, Proceedings, 2007
Temporal Key Release Infrastructure
6th Annual PKI R&D Workshop, 2007
Artículo de conferencia · preferida
2006
An Electronic Scheme for the Farnel Paper-Based Voting Protocol
4th International Conference on Applied Cryptography and Network Security (ACNS'06), 2006
Artículo de conferencia · preferida
Tornando uma infra-estrutura de chaves publicas dinâmica
SSI 2006, 2006
Artículo de conferencia · preferida
2004
Denúncia Anônima Segura
Revista do IST, 2004
Artículo de revista · preferida
Execução Segura de Assinaturas Confiáveis em Documentos Eletrônicos
SBRC 2004, 2004
Artículo de conferencia · preferida
Infra-estrutura de Chaves Públicas e Aplicações
XII Escola Regional de Informática da SBC, 2004
Capítulo de libro · preferida
Módulo Cifrador de Documentos Eletrônicos
WSeg 2004 - IV Workshop em Segurança de Sistemas Computacionais, 2004
Artículo de conferencia · preferida
Uma infra-estrutura para o sigilo temporal de documentos eletrônicos
Scientia (UNISINOS), 2004
Artículo de revista · preferida
2003
Assinatura Confiável de Documentos Eletrônicos
WSeg-2003, 2003
Artículo de conferencia · preferida
Client/Server and Mobile Agent Paradigms - An Analytical Model for Performance Evaluation
Colloque Francophone sur la Gestion de Réseuax et Service, 2003, Fortaleza (CE), 2003
Artículo de conferencia · preferida
Confiança na Tempestividade dos Documentos Eletrônicos: Auditoria da Protocolação Digital
Anais Eletrônicos do SSI'2003, 2003
Artículo de conferencia · preferida
Ostracon: Um Sistema de Votação Digital pela Internet
SBRC-2003, WSeg-2003, 2003
Artículo de conferencia · preferida
Protocolação Digital de Documentos Eletrônicos
I Fórum sobre Segurança, Privacidade e Certificação Digital, 2003
Artículo de conferencia · preferida
Protocolo Criptográfico para Envio de Propostas em Processos de Compras
Anais do V SSI 2003, 2003
Artículo de conferencia · preferida
Reliable Clock Synchronization for Eletronic Documents
3rd Latin American Network Operations and Management Symposium, LANOMS 2003, Iguassu Falls, Brazil, September 4-6, 2003. Proceedings, 2003
Sincronização Segura de Relógio para Documentos Eletrônicos
SBRC 2003, 2003
Sistema Seguro para Assinatura de Documentos Eletrônicos
Anais do IADIS WWW/internet 2003, 2003
Artículo de conferencia · preferida
2002
A New Method for Digital Time-Stamping of Electronic Documents
14th Anual FIRST Conference on Computer Security Incident Handling & Response 2002, 2002
Assinatura Digital de Documentos Eletrônicos através da Impressão Digital
XII Seminário Regional de Informática, 2002
Artículo de conferencia · preferida
Farnel: Um protocolo Criptográficos para Votação Digital
WSeg 2002, 2002
IARSDE: Infra-estrutura de Armazenamento e Recuperação Segura de Documentos Eletrônicos
The International Symposium on Document Technologies, 2002
Artículo de conferencia · preferida
Modelo Analítico para Avaliar Plataformas Cliente/Servidor e Agentes Móveis Aplicados à Gerência de Redes
SBRC 2002, 2002
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Tecnologias para a Segurança da Informação: Infra-estrutura de Chaves Públicas
EIN/Ecoinfo 2002, 2002
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Um Protocolo Criptográfico para Comunicação Anônima Segura
WSeg 2002, 2002
Uma Proposta Para Garantia da Validade do Documento Eletronico por Tempo Indeterminado
SSI´2002 - IV Simposio Seguranca em Informatica, 2002
2001
Aspectos Tecnológicos para a Validade Jurídica da Cópia Impressa&\#10;de um Documento Eletrônico
SEMINC 2001, 2001
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Cartório Virtual: uma experiência na emissão de certidão de nascimento.
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SSI 2001, 2001
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SEMINC 2001, 2001
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2000
Avaliação Analítica de Desempenho do Uso do Ipv6
I Workshop da Pós-Graduação em Ciência da Computação, 2000
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Use of Lyapunov Exponents for Pattern Recognition in Lung Sounds
Proceedings of VIII Workshop on Nonlinear Dynamics of Eletronic Systems, 2000
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1999
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1999
Análise de Sons Pulmonares via Dinâmica Caótica
I Jornada de Pneumologia do Mercosul, 1999
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Identifying Lung Sound Patterns through Lyapunov Exponent Estimations
Congresso Nacional de Matematica Aplicada e Computacional, 1999
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Chaos, Solitons and Fractals, 1999
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Negative Lyapunov Exponent Estimations in Non Chaotic Data Time Series
NDES99 - Nonlinear Dynamics of Electronic Systems, 1999
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PulSA: A System to Support Lung Sound Analysis
The 23rf International Conference on Lung Sounds, 1999
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1998
Time-Dependent Fractal Dimension of Lung Sounds
International Conference on Lung Sounds, 1998
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1997
Atomic Decomposition with Genetic Algorithms
1997 International Symposium on Nonlinear Theory and its Applications, 1997
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1996
A Computação Algébrica no Ensino
XIX Congresso Nacional de Matematica Aplicada e Computacional, 1996
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1994
Metodo da Iteraçao Dinâmica para a Determinaçãoo de Zeros de Funções
XVII Congresso Nacional de Matematica Aplicada e Computacional, 1994
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Poligraph as a Virtual Instrumentation
Physics in Medicine & Biology, 1994
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1993
A proposal for Efficient Neural Network Data Structuring
Ninth International Conference on Systems Engineering, 1993
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Estructuración Eficiente de los Datos de las Redes de Neuronas Artificiales
X Congresso Chileno de Engenharia Elétrica, 1993
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X Congresso Chileno de Engenharia Elétrica, 1993
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X Congresso Chileno de Engenharia Elétrica, 1993
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1989
Prototipação de Sistemas a Partir da Definição da Interface Homem Máquina
V Reunião de Trabalho do Projeto ESTRA - Estação de Trabalho Avançada, 1989
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